Organic Chemistry 4th by Janice Smith PDF Ebook

ORGANIC CHEMISTRY 4TH EDITION BY JANICE SMITH books

About Organic Chemistry 4th by Janice Smith books 

Organic Chemistry 4th Edition by Janice Smith continues to breathe new life into the organic chemistry world. This edition retains its popular delivery of natural chemistry content material in a student-friendly format. Janice Smith draws on her in depth educating background to deliver natural chemistry in approach during which college students learn: with limited use of text paragraphs, and thru concisely written bulleted lists and highly detailed, nicely-labeled “instructing” illustrations.

Organic Chemistry 4th by Janice Smith: In response to reviewer suggestions, new sections have been added on fragmentation patterns in mass spectrometry (Part 13.3) and peptide sequencing (Part 28.6). In addition, sections on splitting in NMR spectroscopy (Section 14.7) and substituent results in substituted benzenes (Part 18.6) have been rewritten to clarify and focus the material. Some mechanisms have been modified by adding electron pairs to nucleophiles and leaving groups to more clearly point out the course of the chemical reaction.

Twenty new NMR spectra have been added in Chapters 14–25 to give students additional practice in this important type of analysis. Over 350 new problems are included in the third edition. The majority of these problems are written at the intermediate level—more advanced than the easier drill problems, but not as complex as the challenge problems. Beginning with Chapter 11, there are additional multi-step synthesis problems that rely on reactions learned in earlier chapters.

The interior design has been modified to tidy margins, and art labeling has been simplified, so students can focus more clearly on the important concepts in a section. New micro-to-macro illustrations are included on hydrogen bonding in DNA (Chapter 3), the production of ethanol from corn (Chapter 9), partial hydrogenation of vegetable oils (Chapter 12), artificial sweeteners (Chapter 27), and insulin (Chapter 28). 

Several 3-D illustrations of proteins have been added to Chapter 28 as well. The depiction of enzymes as biological catalysts in Chapter 6 has been redone to use an actual reaction—the conversion of the lactose in milk to glucose and galactose. New health-related and environmental applications are included in margin notes and problems. Topics include the health benefits of omega-3 fatty acids, α-hydroxy acids in skin care products, drugs such as Benadryl that contain ammonium salts, chloroethane as a local anesthetic, rebaudioside A (trade name Truvia), a sweetening agent isolated from a plant source, and many others.

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A guidebook to Mechanism in organic chemistry 6 edition by Peter Sypes

A guidebook to Mechanism in organic chemistry 6 edition by Peter Sypes

A Guidebook to Mechanism in OrganicChemistry(Sixth Edition) is written Peter Sykes . This book was first published in 1985.

This book is very helpful to understand the basics of reactions mechanism in organic chemistry, students and teachers of organic chemistry can equally get benefit from this books.

A classic textbook on mechanistic organic chemistry which is characterised particularly by its clarity, careful choice of examples and its general approach that is designed to lead to a ready understanding of the subject matter. This guidebook is aimed clearly at the needs of the student, with a thorough understanding of, and provision for, the potential conceptual difficulties he or she is likely to encounter.

Exame: 

And:

Below is the list of topics covered in this book

Structure, reactivity and mechanism

Energetics, kinetics, and the investigation of the mechanism

The strengths of the acids and bases

Nucleophilic substitution at a saturated carbon atom

Carbocations, electron deficient nitrogen and oxygen atoms and their reactions

Electrophilic and nucleophilic substitution in aromatic systems

Electrophilic and nucleophilic addition to C=C

Nucleophilic addition to C=O

Elimination Reactions

Carbanions and their reactions

Radical and their reactions

Symmetry controlled reactions

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Famous chemistry book: Organic Chemistry (6E 2005) L. G. Wade

Free chemistry book, Famous chemistry book: Organic Chemistry (6E 2005) L. G. Wade

https://www.facebook.com/Chemistry.and.pharmacy/posts/810082815678863

Content

Preface ........................................................................................................................................ v
Symbols and Abbreviations ...................................................................................................... vii
Appendix I:
Appendix 2:
Introduction and Review ..... . ....... . ... . ................ . ....... ................. . .............. ............ 1
Structure and Properties of Organic Molecules .................................................. 25
Structure and Stereochemistry of Alkanes .................................... ...................... 45
The Study of Chemical Reactions . . . .................... . . ............................................. 59
Stereochemistry .... . .............. . ... . . . ................................ . ......... ............................. 79
Alkyl Halides: Nucleophilic Substitution and Elimination ................. . ....... ....... 99
Structure and Synthesis of Alkenes ... . ..... . ........ . . .............................................. 135
Reactions of Alkenes . . . . ......... . . . ....... . . .. . ........................................................... 159
Alkynes ...... . . ........................ . .............................................. . ................. .......... 191
Structure and Synthesis of Alcohols .............. ....................... . .... . ...................... 211
Reactions of Alcohols .................. . ................................ ............ ............ ........... 229
Infrared Spectroscopy and Mass Spectrometry ........ . ............ ................ . ...... ..... 259
Nuclear Magnetic Resonance Spectroscopy ....... . . ................. . . ......... . ..... .. . . ...... 271
Ethers, Epoxides, and Sulfides ................................. . .......... ............................. 299
Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy ............ 317
Aromatic Compounds ...... ................. . ........................... . . . ................................ 341
Reactions of Aromatic Compounds ............................................ ......... . ............ 365
Ketones and Aldehydes .............. .... . ................. ............................. .................. 401
Amines .................. . ..... . . ........... ....................................................................... 439
Carboxylic Acids ............................................................................................. 469
Carboxylic Acid Derivatives ...................................................... ...................... 499
Condensations and Alpha Substitutions of Carbonyl Compounds ... . ... . . ........... 537
Carbohydrates and Nucleic Acids ................................ . ........ ........ ................... 585
Amino Acids, Peptides, and Proteins ................................................... ............ 617
Lipids ... . ................................................... . ...................................................... 645
Synthetic Polymers . ... . ...... . ............... . ........... .......... . ....... ................................. 659
Summary of IUPAC Nomenclature . . . . ........ .......... . ................. .......... ................ 675
Summary of Acidity and Basicity ... . . . ........................... .................. . ... . ............ 689

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Aromatic Chemistry - John D Hepworth, Mike J Waring, David R

Famous chemistry books : Aromatic Chemistry - John D Hepworth, Mike J Waring, David R 

http://pubs.rsc.org/en/Content/eBook/978-0-85404-662-1#!divbookcontent

Aromatic chemistry, in terms of the production of derivatives of benzene and, to a less extent, other carbocyclic aromatic compounds, is of immense industrial importance and is the mainstay of many chemical
companies. Derived products are in general use across such diverse industries as pharmaceuticals, dyestuffs, and polymers.The aromatic chemistry required by an undergraduate in chemistry,biochemistry, materials science and related disciplines is assembled in this text, which also provides a link to other aspects of organic chemistry and a platform for further study. In line with the series style, a number ofworked problems and a selection of questions designed to help the student to understand the principles described are included.
The first chapter discusses the concept of aromaticity, after which there is a description of aromatic substitution reactions. Chapters covering the chemistry of the major functionalized derivatives of benzene follow. A chapter on the use of metals in aromatic chemistry discusses not only the chemistry of Grignard reagents and aryllithium compounds but also the more recent uses of transition metals in the synthesis of aromatic compounds.The penultimate chapter discusses the oxidation and reduction of the benzene ring and the text concludes with the chemistry of some polycyclic compounds.We have chosen to use the names of chemicals that are in common usage on the basis that students should then be able to read and make use
of the chemicd literature and also to locate chemicals in the laboratory. Systematic names are given in parentheses at the first appropriate opportunity.Ideally, a student should be able to use both systems interchangeably without difficulty. The RSC website has an Appendix of Common and Systematic Names to which students are referred.

 A Further Reading list is also available at We are grateful to Dr. Mark Heron for his valuable comments on the draft manuscript and to Dr. Alan Jones and Ms. Beryl Newel1 for their help in preparation of the final manuscript. Mr. Martyn Berry and Professor Alwyn Davies FRS offered advice, encouragement and criticism throughout the preparation of the text which were most appreciated.Mrs. Janet Freshwater of the Royal Society of Chemistry was involved in the project from start to finish and we thank her for her efficiency and guidance. We thank our wives, Annabelle, Margaret and Anita, for their help, patience and understanding during the writing of this book.

J. D. Hepworth, University qf Central Lancashire
D. R. Waring, formerly of Kodak Ltd., Kirkby, Liverpool
M. J. Waring, AstraZenecu, Alderley Park, Cheshire

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Inorganic Structural Chemistry, 2nd Edition Ulrich Muller

Famous chemistry books :Inorganic Structural Chemistry, 2nd Edition Ulrich Muller

Content

1 Introduction.

2 Description of Chemical Structures.
3 Symmetry.
4 Polymorphism and Phase Transitions.
5 Chemical Bonding and Lattice Energy.
6 The Effective Size of Atoms.
7 Ionic Compounds.
8 Molecular Structures I: Compounds of Main Group Elements.
9 Molecular Structures II: Compounds of Transition Metals.
10 Molecular Orbital Theory and Chemical Bonding in Solids.
11 The Element Structures of the Nonmetals.
12 Diamond-like Structures.
13 Polyanionic and Polycationic Compounds. Zintl Phases.
14 Packings of Spheres. Metal Structures.
15 The Sphere-packing Principle for Compounds.
16 Linked Polyhedra.
17 Packings of Spheres with Occupied Interstices.
18 Symmetry as the Organizing Principle for Crystal Structures.
19 Physical Properties of Solids.
20 Nanostructures.
21 Pitfalls and Linguistic Aberrations.

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MARCH’S ADVANCED ORGANIC CHEMISTRY

Free chemistry book download :March's Advanced Organic Chemistry 6th Edition

Michael B. Smith
Professor of Chemistry

Jerry March
Professor of Chemistry

Content

PART 1

1. Localized Chemical Bonding 3

2. Delocalized Chemical Bonding 32

3. Bonding Weaker than Covalent 106

4. Stereochemistry 136

5. Carbocations, Carbanions, Free Radicals,

Carbenes, and Nitrenes 234

6. Mechanisms and Methods of Determining Them 296

7. Irradiation Processes in Organic Chemistry 328

8. Acids and Bases 356

9. Effects of Structure and Medium on Reactivity 395

PART 2 

10. Aliphatic Substitution: Nucleophilic and Organometallic 425

11. Aromatic Substitution, Electrophilic 657

12. Aliphatic, Alkenyl, and Alkynyl Substitution,

Electrophilic and Organometallic 752

13. Aromatic Substitution, Nucleophilic and Organometallic 853

14. Substitution Reactions: Free Radicals 934

15. Addition to Carbon–Carbon Multiple Bonds 999

16. Addition to Carbon–Hetero Multiple Bonds 1251

17. Eliminations 1477

18. Rearrangements 1559

19. Oxidations and Reductions 1703

Appendix A The Literature of Organic Chemistry 1870

Appendix B Classification of Reactions by Type of

Compounds Synthesized

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Advanced Organic Chemistry-Part A: Structure and Mechanisms

Chemistry and creativity: Advanced Organic Chemistry-Part A: Structure and Mechanisms

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Content

Advanced Organic Chemistry

PART A: Structure and Mechanisms

PART B: Reactions and Synthesis

Author:

FRANCIS A. CAREY

and RICHARD J. SUNDBERG

University of Virginia

Charlottesville, Virginia

Advanced Organic Chemistry-Part A: Structure and Mechanisms

This Fifth Edition marks the beginning of the fourth decade that Advanced Organic

Chemistry has been available. As with the previous editions, the goal of this text is to

allow students to build on the foundation of introductory organic chemistry and attain

a level of knowledge and understanding that will permit them to comprehend much

of the material that appears in the contemporary chemical literature. There have been

major developments in organic chemistry in recent years, and these have had a major

influence in shaping this new edition to make it more useful to students, instructors,

and other readers

The expanding application of computational chemistry is reflected by amplified

discussion of this area, especially density function theory (DFT) calculations in

Chapter 1. Examples of computational studies are included in subsequent chapters

that deal with specific structures, reactions and properties. 

Chapter 2 discusses the

principles of both configuration and conformation, which were previously treated in

two separate chapters. The current emphasis on enantioselectivity, including development

of many enantioselective catalysts, prompted the expansion of the section on

stereoselective reactions to include examples of enantioselective reactions. Chapter 3,

which covers the application of thermodynamics and kinetics to organic chemistry,

has been reorganized to place emphasis on structural effects on stability and reactivity.

This chapter lays the groundwork for later chapters by considering stability effects on

carbocations, carbanions, radicals, and carbonyl compounds.

Chapters 4 to 7 review the basic substitution, addition, and elimination mechanisms,

as well as the fundamental chemistry of carbonyl compounds, including enols

and enolates. A section on of the control of regiochemistry and stereo- chemistry of

aldol reactions has been added to introduce the basic concepts of this important area. A

more complete treatment, with emphasis on synthetic applications, is given in Chapter

2 of Part B.

Chapter 8 deals with aromaticity and Chapter 9 with aromatic substitution, emphasizing

electrophilic aromatic substitution. Chapter 10 deals with concerted pericyclic

reactions, with the aromaticity of transition structures as a major theme. This part of

the text should help students solidify their appreciation of aromatic stabilization as a

fundamental concept in the chemistry of conjugated systems. Chapter 10 also considersthe important area of stereoselectivity of concerted pericyclic reactions. Instructors

may want to consider dealing with these three chapters directly after Chapter 3, and

we believe that is feasible

Chapters 11 and 12 deal, respectively, with free radicals and with photochemistry

and, accordingly, with the chemistry of molecules with unpaired electrons. The latter

chapter has been substantially updated to reflect the new level of understanding that

has come from ultrafast spectroscopy and computational studies.

As in the previous editions, a significant amount of specific information is

provided in tables and schemes. These data and examples serve to illustrate the issues

that have been addressed in the text. Instructors who want to achieve a broad coverage,

but without the level of detail found in the tables and schemes, may choose to advise

students to focus on the main text. In most cases, the essential points are clear from

the information and examples given in the text itself.

We have made an effort to reduce the duplication between Parts A and B. In

general, the discussion of basic mechanisms in Part B has been reduced by crossreferencing

the corresponding discussion in Part A. We have expanded the discussion

of specific reactions in Part A, especially in the area of enantioselectivity and enantioselective

catalysts.

We have made more extensive use of abbreviations than in the earlier editions.

In particular, EWG and ERG are used throughout both Parts A and B to designate

electron-withdrawing and electron-releasing substituents, respectively. The intent is

that the use of these terms will help students generalize the effect of certain substituents

such as C=O, C≡N, NO2, and RSO2 as electron withdrawing and R (alkyl) and RO

(alkoxy) as electron releasing. Correct use of this shorthand depends on a solid understanding

of the interplay between polar and resonance effects in overall substituent

effects. This matter is discussed in detail in Chapter 3 and many common functional

groups are classified.

Several areas have been treated as “Topics”. Some of the Topics discuss areas that

are still in a formative stage, such as the efforts to develop DFT parameters as quantitative

reactivity indices. Others, such as the role of carbocations in gasoline production, have

practical implications

We have also abstracted information from several published computational studies

to present three-dimensional images of reactants, intermediates, transition structures,

and products. This material, including exercises, is available at the publishers web site,

and students who want to see how the output of computations can be applied may want

to study it. The visual images may help toward an appreciation of some of the subtle

effects observed in enantioselective and other stereoselective reactions. As in previous

editions, each chapter has a number of problems drawn from the literature. A new

feature is solutions to these problems, which are also provided at the publisher’s

website at springer.com/carey-sundberg

Our goal is to present a broad and fairly detailed view of the core area of organic

reactivity. We have approached this goal by extensive use of both the primary and

review literature and the sources are referenced. Our hope is that the reader who

works through these chapters, problems, topics, and computational studies either in an

organized course or by self-study will be able to critically evaluate and use the current

literature in organic chemistry in the range of fields in which is applied, including

the pharmaceutical industry, agricultural chemicals, consumer products, petroleum

chemistry, and biotechnology. The companion volume, Part B, deals extensively with

organic synthesis and provides many more examples of specific reactions.

Introduction about Advanced Organic Chemistry-Part A: Structure and Mechanisms

This volume is intended for students who have completed the equivalent of a

two-semester introductory course in organic chemistry and wish to expand their understanding

of structure and reaction mechanisms in organic chemistry. The text assumes

basic knowledge of physical and inorganic chemistry at the advanced undergraduate

level.

Chapter 1 begins by reviewing the familiar Lewis approach to structure and

bonding. Lewis’s concept of electron pair bonds, as extended by adding the ideas of

hybridization and resonance, plus fundamental atomic properties such as electronegativity

and polarizability provide a solid foundation for qualitative descriptions of

trends in reactivity. In polar reactions, for example, the molecular properties of acidity,

basicity, nucleophilicity, and electrophilicity can all be related to information embodied

in Lewis structures. The chapter continues with the more quantitative descriptions of

molecular structure and properties that are obtained by quantum mechanical calculations.

Hückel, semiempirical, and ab initio molecular orbital (MO) calculations, as well

as density functional theory (DFT) are described and illustrated with examples. This

material is presented at a level sufficient for students to recognize the various methods

and their ranges of application. Computational methods can often provide insight

into reaction mechanisms by describing the structural features of intermediates and

transition structures. Another powerful aspect of computational methods is their ability

to represent electron density. Various methods of describing electron density, including

graphical representations, are outlined in this chapter and applied throughout the

remainder of the text. Chapter 2 explores the two structural levels of stereochemistry—

configuration and conformation. Molecular conformation is important in its own right,

but can also influence reactivity. The structural relationships between stereoisomers and

the origin and consequences of molecular chirality are discussed. After reviewing the

classical approach to resolving racemic mixtures, modern methods for chromatographic

separation and kinetic resolution are described. The chapter also explores how stereochemistry

affects reactivity with examples of diastereoselective and enantioselective

reactions, especially those involving addition to carbonyl groups. Much of today’s work

in organic chemistry focuses on enantioselective reagents and catalysts. The enantioselectivity

of these reagents usually involves rather small and sometimes subtle differences

in intermolecular interactions. Several of the best-understood enantioselective

reactions, including hydrogenation, epoxidation of allylic alcohols, and dihydroxylation

of alkenes are discussed. Chapter 3 provides examples of structure-stability relationships

derived from both experimental thermodynamics and computation. Most of the

chapter is about the effects of substituents on reaction rates and equilibria, how they are

measured, and what they tell us about reaction mechanisms. The electronic character of

the common functional groups is explored, as well as substituent effects on the stability

of carbocations, carbanions, radicals, and carbonyl addition intermediates. Other topics

in this chapter include the Hammett equation and related linear free-energy relationships,

catalysis, and solvent effects. Understanding how thermodynamic and kinetic

factors combine to influence reactivity and developing a sense of structural effects on

the energy of reactants, intermediates and transition structures render the outcome of

organic reactions more predictable.

Chapters 4 to 7 relate the patterns of addition, elimination, and substitution

reactions to the general principles developed in Chapters 1 to 3. A relatively small

number of reaction types account for a wide range of both simple and complex

reactions. The fundamental properties of carbocations, carbanions, and carbonyl

compounds determine the outcome of these reactions. Considerable information about

reactivity trends and stereoselectivity is presented, some of it in tables and schemes.

Although this material may seem overwhelming if viewed as individual pieces of information,

taken in the context of the general principles it fills in details and provides a

basis for recognizing the relative magnitude of various structural changes on reactivity.

The student should strive to develop a sufficiently broad perspective to generate an

intuitive sense of the effect of particular changes in structure

Chapter 4 begins the discussion of specific reaction types with an examination of

nucleophilic substitution. Key structural, kinetic, and stereochemical features of substitution

reactions are described and related to reaction mechanisms. The limiting mechanisms

SN 1 and SN 2 are presented, as are the “merged” and “borderline” variants. The

relationship between stereochemistry and mechanism is explored and specific examples

are given. Inversion is a virtually universal characteristic of the SN 2 mechanism,

whereas stereochemistry becomes much more dependent on the specific circumstances

for borderline and SN 1 mechanisms. The properties of carbocations, their role in

nucleophilic substitution, carbocation rearrangements, and the existence and relative

stability of bridged (nonclassical) carbocations are considered. The importance of

carbocations in many substitution reactions requires knowledge of their structure and

reactivity and the effect of substituents on stability. A fundamental characteristic of

carbocations is the tendency to rearrange to more stable structures. We consider the

mechanism of carbocation rearrangements, including the role of bridged ions. The case

of nonclassical carbocations, in which the bridged structure is the most stable form, is

also discussed.

Chapter 5 considers the relationship between mechanism and regio- and stereoselectivity.

The reactivity patterns of electrophiles such as protic acids, halogens,

sulfur and selenium electrophiles, mercuric ion, and borane and its derivatives are

explored and compared. These reactions differ in the extent to which they proceed

through discrete carbocations or bridged intermediates and this distinction can explain

variations in regio- and stereochemistry. This chapter also describes the E1, E2, and

E1cb mechanisms for elimination and the idea that these represent specific cases

within a continuum of mechanisms. The concept of the variable mechanism can

explain trends in reactivity and regiochemistry in elimination reactions.

Chapter 6

focuses on the fundamental properties and reactivity of carbon nucleophiles, including organometallic reagents, enolates, enols, and enamines. The mechanism of the aldol

addition is discussed. The acidity of hydrocarbons and functionalized molecules is

considered. Chapter 7 discusses the fundamental reactions of carbonyl groups. The

reactions considered include hydration, acetal formation, condensation with nitrogen

nucleophiles, and the range of substitution reactions that interconvert carboxylic acid

derivatives. The relative stability and reactivity of the carboxylic acid derivatives is

summarized and illustrated. The relationships described in Chapters 6 and 7 provide the

broad reactivity pattern of carbonyl compounds, which has been extensively developed

and is the basis of a rich synthetic methodology

Chapter 8 discusses the concept of aromaticity and explores the range of its applicability,

including annulenes, cyclic cations and anions, polycyclic hydrocarbons, and

heterocyclic aromatic compounds. The criteria of aromaticity and some of the methods

for its evaluation are illustrated. We also consider the antiaromaticity of cyclobutadiene

and related molecules. Chapter 9 explores the mechanisms of aromatic substitution

with an emphasis on electrophilic aromatic substitution. The general mechanism is

reviewed and the details of some of the more common reactions such as nitration,

halogenation, Friedel-Crafts alkylation, and acylation are explored. Patterns of position

and reactant selectivity are examined. Recent experimental and computational studies

that elucidate the role of aromatic radical cations generated by electron transfer in

electrophilic aromatic substitution are included, and the mechanisms for nucleophilic

aromatic substitution are summarized. Chapter 10 deals with concerted pericyclic

reactions, including cycloaddition, electrocyclic reactions, and sigmatropic rearrangements.

This chapter looks at how orbital symmetry influences reactivity and introduces

the idea of aromaticity in transition structures. These reactions provide interesting

examples of how stereochemistry and reactivity are determined by the structure of the

transition state. The role of Lewis acids in accelerating Diels-Alder reactions and the

use of chiral auxiliaries and catalysts to achieve enantioselectivity are explored.

Chapter 11 deals with free radicals and their reactions. Fundamental structural

concepts such as substituent effects on bond dissociation enthalpies (BDE) and radical

stability are key to understanding the mechanisms of radical reactions. The patterns of

stability and reactivity are illustrated by discussion of some of the absolute rate data

that are available for free radical reactions. The reaction types that are discussed include

halogenation and oxygenation, as well as addition reactions of hydrogen halides, carbon

radicals, and thiols. Group transfer reactions, rearrangements, and fragmentations are

also discussed.

Chapter 12 ventures into the realm of photochemistry, where structural concepts

are applied to following the path from initial excitation to the final reaction product.

Although this discussion involves comparison with some familiar intermediates,

especially radicals, and offers mechanisms to account for the reactions, photochemistry

introduces some new concepts of reaction dynamics. The excited states in photochemical

reactions traverse energy surfaces that have small barriers relative to most

thermal reactions. Because several excited states can be involved, the mechanism

of conversion between excited states is an important topic. The nature of conical

intersections, the transition points between excited state energy surfaces is examined.

Fundamental concepts of structure and its relationship to reactivity within the

context of organic chemistry are introduced in the first three chapters, and thereafter

the student should try to relate the structure and reactivity of the intermediates and

transition structures to these concepts. Critical consideration of bonding, stereochemistry,

and substituent effects should come into play in examining each of the basic

reactions. Computational studies frequently serve to focus on particular aspects of

the reaction mechanism. Many specific reactions are cited, both in the text and in

schemes and tables. The purpose of this specific information is to illustrate the broad

patterns of reactivity. As students study this material, the goal should be to look for the

underlying relationships in the broad reactivity patterns. Organic reactions occur by

a combination of a relatively few reaction types—substitution, addition, elimination,

and rearrangement. Reagents can generally be classified as electrophilic, nucleophilic,

or radical in character. By focusing on the fundamental character of reactants and

reagents, students can develop a familiarity with organic reactivity and organize the

vast amount of specific information on reactions.

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Advanced Organic Chemistry PartB - Reaction and Synthesis

Advanced Organic Chemistry PartB - Reaction and Synthesis by Francis A. Carey and Richard J. Sundberg

http://forum-chemistry.blogspot.com/2014/10/advanced-organic-chemistry-partA.html

Advanced Organic Chemistry PartB - Reaction and Synthesis

EDITION

Part B: Reactions and Synthesis

Advanced Organic Chemistry

PART A: Structure and Mechanisms

PART B: Reactions and Synthesis

The focus of Part B is on the closely interrelated topics of reactions and synthesis. In

each of the first twelve chapters, we consider a group of related reactions that have

been chosen for discussion primarily on the basis of their usefulness in synthesis. For

each reaction we present an outline of the mechanism, its regio- and stereochemical

characteristics, and information on typical reaction conditions. For the more commonly

used reactions, the schemes contain several examples, which may include examples of

the reaction in relatively simple molecules and in more complex structures. The goal of

these chapters is to develop a fundamental base of knowledge about organic reactions

in the context of synthesis. We want to be able to answer questions such as: What

transformation does a reaction achieve? What is the mechanism of the reaction? What

reagents and reaction conditions are typically used? What substances can catalyze

the reaction? How sensitive is the reaction to other functional groups and the steric

environment? What factors control the stereoselectivity of the reaction? Under what

conditions is the reaction enantioselective?

Synthesis is the application of one or more reactions to the preparation of a

particular target compound, and can pertain to a single-step transformation or to a

number of sequential steps. The selection of a reaction or series of reactions for a

synthesis involves making a judgment about the most effective possibility among

the available options. There may be a number of possibilities for the synthesis of a

particular compound. For example, in the course of learning about the reactions in

Chapter 1 to 12, we will encounter a number of ways of making ketones, as outlined

in the scheme that follows.

Chapter 1. Alkylation of Enolates and Other Carbon Nucleophiles . . . . . . 1

Introduction........................................................................................................... 1

1.1. Generation and Properties of Enolates and Other Stabilized Carbanions... 2

1.1.1. Generation of Enolates by Deprotonation ........................................ 2

1.1.2. Regioselectivity and Stereoselectivity in Enolate Formation

from Ketones and Esters ................................................................... 5

1.1.3. Other Means of Generating Enolates................................................ 14

1.1.4. Solvent Effects on Enolate Structure and Reactivity ....................... 17

1.2. Alkylation of Enolates.................................................................................. 21

1.2.1. Alkylation of Highly Stabilized Enolates ......................................... 21

1.2.2. Alkylation of Ketone Enolates.......................................................... 24

1.2.3. Alkylation of Aldehydes, Esters, Carboxylic Acids, Amides,

and Nitriles ........................................................................................ 31

1.2.4. Generation and Alkylation of Dianions............................................ 36

1.2.5. Intramolecular Alkylation of Enolates.............................................. 36

1.2.6. Control of Enantioselectivity in Alkylation Reactions..................... 41

1.3. The Nitrogen Analogs of Enols and Enolates: Enamines

and Imine Anions ......................................................................................... 46

General References............................................................................................... 55

Problems ............................................................................................................... 56

Chapter 2. Reactions of Carbon Nucleophiles

with Carbonyl Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Introduction........................................................................................................... 63

2.1. Aldol Addition and Condensation Reactions............................................... 64

2.1.1. The General Mechanism ................................................................... 64

2.1.2. Control of Regio- and Stereoselectivity of Aldol Reactions

of Aldehydes and Ketones ................................................................ 65

2.1.3. Aldol Addition Reactions of Enolates of Esters

and Other Carbonyl Derivatives ....................................................... 78

2.1.4. The Mukaiyama Aldol Reaction....................................................... 82

2.1.5. Control of Facial Selectivity in Aldol and Mukaiyama Aldol

Reactions............................................................................................ 86

2.1.6. Intramolecular Aldol Reactions and the Robinson Annulation ....... 134

2.2. Addition Reactions of Imines and Iminium Ions ........................................ 139

2.2.1. The Mannich Reaction ...................................................................... 140

2.2.2. Additions to N-Acyl Iminium Ions ................................................... 145

2.2.3. Amine-Catalyzed Condensation Reactions....................................... 147

2.3. Acylation of Carbon Nucleophiles............................................................... 148

2.3.1. Claisen and Dieckmann Condensation Reactions ............................ 149

2.3.2. Acylation of Enolates and Other Carbon Nucleophiles ................... 150

2.4. Olefination Reactions of Stabilized Carbon Nucleophiles .......................... 157

2.4.1. The Wittig and Related Reactions of Phosphorus-Stabilized

Carbon Nucleophiles ......................................................................... 157

2.4.2. Reactions of -Trimethylsilylcarbanions with Carbonyl

Compounds........................................................................................ 171

2.4.3. The Julia Olefination Reaction ......................................................... 174

2.5. Reactions Proceeding by Addition-Cyclization ........................................... 177

2.5.1. Sulfur Ylides and Related Nucleophiles........................................... 177

2.5.2. Nucleophilic Addition-Cyclization of -Haloesters......................... 182

2.6. Conjugate Addition by Carbon Nucleophiles .............................................. 183

2.6.1. Conjugate Addition of Enolates........................................................ 183

2.6.2. Conjugate Addition with Tandem Alkylation .................................. 189

2.6.3. Conjugate Addition by Enolate Equivalents..................................... 190

2.6.4. Control of Facial Selectivity in Conjugate

Addition Reactions ............................................................................ 193

2.6.5. Conjugate Addition of Organometallic Reagents............................. 197

2.6.6. Conjugate Addition of Cyanide Ion.................................................. 198

General References............................................................................................... 200

Problems ............................................................................................................... 200

Chapter 3. Functional Group Interconversion

by Substitution, Including Protection and Deprotection . . . . . . 215

Introduction........................................................................................................... 215

3.1. Conversion of Alcohols to Alkylating Agents............................................. 216

3.1.1. Sulfonate Esters ................................................................................. 216

3.1.2. Halides ............................................................................................... 217

3.2. Introduction of Functional Groups by Nucleophilic Substitution

at Saturated Carbon ...................................................................................... 223

3.2.1. General Solvent Effects..................................................................... 224

3.2.2. Nitriles ............................................................................................... 225

3.2.3. Oxygen Nucleophiles ........................................................................ 226

3.2.4. Nitrogen Nucleophiles....................................................................... 229

3.2.5. Sulfur Nucleophiles ........................................................................... 233

3.2.6. Phosphorus Nucleophiles .................................................................. 233

3.2.7. Summary of Nucleophilic Substitution at Saturated Carbon ........... 234

3.3. Cleavage of Carbon-Oxygen Bonds in Ethers and Esters........................... 238

3.4. Interconversion of Carboxylic Acid Derivatives ......................................... 242

3.4.1. Acylation of Alcohols ....................................................................... 243

3.4.2. Fischer Esterification......................................................................... 252

3.4.3. Preparation of Amides....................................................................... 252

3.5. Installation and Removal of Protective Groups........................................... 258

3.5.1. Hydroxy-Protecting Groups .............................................................. 258

3.5.2. Amino-Protecting Groups ................................................................. 267

3.5.3. Carbonyl-Protecting Groups.............................................................. 272

3.5.4. Carboxylic Acid–Protecting Groups ................................................. 275

Problems ............................................................................................................... 277

Chapter 4. Electrophilic Additions to Carbon-Carbon Multiple Bonds . . . 289

Introduction........................................................................................................... 289

4.1. Electrophilic Addition to Alkenes................................................................ 290

4.1.1. Addition of Hydrogen Halides.......................................................... 290

4.1.2. Hydration and Other Acid-Catalyzed Additions of Oxygen

Nucleophiles ...................................................................................... 293

4.1.3. Oxymercuration-Reduction ............................................................... 294

4.1.4. Addition of Halogens to Alkenes ..................................................... 298

4.1.5. Addition of Other Electrophilic Reagents ........................................ 305

4.1.6. Addition Reactions with Electrophilic Sulfur and Selenium

Reagents............................................................................................. 307

4.2. Electrophilic Cyclization .............................................................................. 310

4.2.1. Halocyclization .................................................................................. 311

4.2.2. Sulfenylcyclization and Selenenylcyclization................................... 320

4.2.3. Cyclization by Mercuric Ion ............................................................. 324

4.3. Electrophilic Substitution to Carbonyl Groups........................................ 328

4.3.1. Halogenation to Carbonyl Groups ................................................ 328

4.3.2. Sulfenylation and Selenenylation to Carbonyl Groups ................ 331

4.4. Additions to Allenes and Alkynes ............................................................... 333

4.5. Addition at Double Bonds via Organoborane Intermediates ...................... 337

4.5.1. Hydroboration.................................................................................... 337

4.5.2. Reactions of Organoboranes ............................................................. 344

4.5.3. Enantioselective Hydroboration ........................................................ 347

4.5.4. Hydroboration of Alkynes................................................................. 352

4.6. Hydroalumination, Carboalumination, Hydrozirconation,

and Related Reactions .................................................................................. 353

Chapter 5. Reduction of Carbon-Carbon Multiple Bonds, Carbonyl

Groups, and Other Functional Groups . . . . . . . . . . . . . . . . . . . . . . 367

Introduction........................................................................................................... 367

5.1. Addition of Hydrogen at Carbon-Carbon Multiple Bonds.......................... 368

5.1.1. Hydrogenation Using Heterogeneous Catalysts ............................... 368

5.1.2. Hydrogenation Using Homogeneous Catalysts ................................ 374

5.1.3. Enantioselective Hydrogenation........................................................ 376

5.1.4. Partial Reduction of Alkynes ............................................................ 387

5.1.5. Hydrogen Transfer from Diimide ..................................................... 388

5.2. Catalytic Hydrogenation of Carbonyl and Other Functional Groups ......... 390

5.3. Group III Hydride-Donor Reagents ............................................................. 396

5.3.1. Comparative Reactivity of Common Hydride

Donor Reagents ................................................................................. 396

5.3.2. Stereoselectivity of Hydride Reduction ............................................ 407

5.3.3. Enantioselective Reduction of Carbonyl Compounds...................... 415

5.3.4. Reduction of Other Functional Groups by Hydride Donors............ 422

5.4. Group IV Hydride Donors ........................................................................... 425

5.4.1. Reactions Involving Silicon Hydrides .............................................. 425

5.4.2. Hydride Transfer from Carbon ......................................................... 429

5.5. Reduction Reactions Involving Hydrogen Atom Donors............................ 431

5.6. Dissolving-Metal Reductions ....................................................................... 434

5.6.1. Addition of Hydrogen ....................................................................... 435

5.6.2. Reductive Removal of Functional Groups ....................................... 439

5.6.3. Reductive Coupling of Carbonyl Compounds.................................. 444

5.7. Reductive Deoxygenation of Carbonyl Groups........................................... 452

5.7.1. Reductive Deoxygenation of Carbonyl Groups to Methylene ......... 452

5.7.2. Reduction of Carbonyl Compounds to Alkenes............................... 454

5.8. Reductive Elimination and Fragmentation................................................... 457

Problems ............................................................................................................... 462

Chapter 6. Concerted Cycloadditions, Unimolecular Rearrangements,

and Thermal Eliminations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473

Introduction........................................................................................................... 473

6.1. Diels-Alder Reactions................................................................................... 474

6.1.1. The Diels-Alder Reaction: General Features.................................... 474

6.1.2. Substituent Effects on the Diels-Alder Reaction.............................. 475

6.1.3. Lewis Acid Catalysis of the Diels-Alder Reaction .......................... 481

6.1.4. The Scope and Synthetic Applications

of the Diels-Alder Reaction .............................................................. 487

6.1.5. Diastereoselective Diels-Alder Reactions

Using Chiral Auxiliaries ................................................................... 499

6.1.6. Enantioselective Catalysts for Diels-Alder Reactions...................... 505

6.1.7. Intramolecular Diels-Alder Reactions............................................... 518

6.2. 1,3-Dipolar Cycloaddition Reactions ........................................................... 526

6.2.1. Regioselectivity and Stereochemistry ............................................... 528

6.2.2. Synthetic Applications of Dipolar Cycloadditions ........................... 531

6.2.3. Catalysis of 1,3-Dipolar Cycloaddition Reactions ........................... 535

6.3. [2 + 2] Cycloadditions and Related Reactions Leading

to Cyclobutanes ............................................................................................ 538

6.3.1. Cycloaddition Reactions of Ketenes and Alkenes............................ 539

6.3.2. Photochemical Cycloaddition Reactions........................................... 544

6.4. [3,3]-Sigmatropic Rearrangements............................................................... 552

6.4.1. Cope Rearrangements........................................................................ 552

6.4.2. Claisen and Modified Claisen Rearrangements................................ 560

6.5. [2,3]-Sigmatropic Rearrangements............................................................... 581

6.5.1. Rearrangement of Allylic Sulfoxides, Selenoxides,

and Amine Oxides............................................................................. 581

6.5.2. Rearrangement of Allylic Sulfonium and Ammonium Ylides......... 583

6.5.3. Anionic Wittig and Aza-Wittig Rearrangements ............................. 587

6.6. Unimolecular Thermal Elimination Reactions............................................. 590

6.6.1. Cheletropic Elimination..................................................................... 591

6.6.2. Decomposition of Cyclic Azo Compounds ...................................... 593

6.6.3. -Eliminations Involving Cyclic Transition Structures.................... 596

Problems ............................................................................................................... 604

Chapter 7. Organometallic Compounds of Group I and II Metals . . . . . . . 619

Introduction........................................................................................................... 619

7.1. Preparation and Properties of Organomagnesium

and Organolithium Reagents ........................................................................ 620

7.1.1. Preparation and Properties of Organomagnesium Reagents ............ 620

7.1.2. Preparation and Properties of Organolithium Compounds .............. 624

7.2. Reactions of Organomagnesium and Organolithium Compounds .............. 634

7.2.1. Reactions with Alkylating Agents .................................................... 634

7.2.2. Reactions with Carbonyl Compounds .............................................. 637

7.3. Organometallic Compounds of Group IIB and IIIB Metals ....................... 650

7.3.1. Organozinc Compounds .................................................................... 650

7.3.2. Organocadmium Compounds............................................................ 661

7.3.3. Organomercury Compounds ............................................................. 662

7.3.4. Organoindium Reagents .................................................................... 663

7.4. Organolanthanide Reagents.......................................................................... 664

General References............................................................................................... 666

Problems ............................................................................................................... 667

Chapter 8. Reactions Involving Transition Metals. . . . . . . . . . . . . . . . . . . . . . . 675

Introduction........................................................................................................... 675

8.1. Organocopper Intermediates......................................................................... 675

8.1.1. Preparation and Structure of Organocopper Reagents ..................... 675

8.1.2. Reactions Involving Organocopper Reagents

and Intermediates............................................................................... 680

8.2. Reactions Involving Organopalladium Intermediates.................................. 706

8.2.1. Palladium-Catalyzed Nucleophilic Addition

and Substitution ................................................................................. 709

8.2.2. The Heck Reaction............................................................................ 715

8.2.3. Palladium-Catalyzed Cross Coupling ............................................... 723

8.2.4. Carbonylation Reactions ................................................................... 748

8.3. Reactions Involving Other Transition Metals.............................................. 754

8.3.1. Organonickel Compounds................................................................. 754

8.3.2. Reactions Involving Rhodium and Cobalt........................................ 759

8.4. The Olefin Metathesis Reaction................................................................... 761

8.5. Organometallic Compounds with 

-Bonding.............................................. 767

General References............................................................................................... 771

Problems ............................................................................................................... 771

Chapter 9. Carbon-Carbon Bond-Forming Reactions

of Compounds of Boron, Silicon, and Tin. . . . . . . . . . . . . . . . . . . . 783

Introduction........................................................................................................... 783

9.1. Organoboron Compounds............................................................................. 784

9.1.1. Synthesis of Organoboranes.............................................................. 784

9.1.2. Carbonylation and Other One-Carbon

Homologation Reactions ................................................................... 786

9.1.3. Homologation via -Halo Enolates .................................................. 792

9.1.4. Stereoselective Alkene Synthesis...................................................... 793

9.1.5. Nucleophilic Addition of Allylic Groups from

Boron Compounds............................................................................. 797

9.2. Organosilicon Compounds ........................................................................... 809

9.2.1. Synthesis of Organosilanes ............................................................... 809

9.2.2. General Features of Carbon-Carbon Bond-Forming Reactions

of Organosilicon Compounds ........................................................... 814

9.2.3. Additions Reactions with Aldehydes and Ketones .......................... 815

9.2.4. Reaction with Iminium Ions.............................................................. 825

9.2.5. Acylation Reactions........................................................................... 826

9.2.6. Conjugate Addition Reactions .......................................................... 830

9.3. Organotin Compounds.................................................................................. 833

9.3.1. Synthesis of Organostannanes........................................................... 833

9.3.2. Carbon-Carbon Bond-Forming Reactions ........................................ 836

9.4. Summary of Stereoselectivity Patterns ........................................................ 851

General References............................................................................................... 852

Problems ............................................................................................................... 853

Chapter 10. Reactions Involving Carbocations, Carbenes,

and Radicals as Reactive Intermediates . . . . . . . . . . . . . . . . . . . . . 861

Introduction............................................................................................................. 861

10.1. Reactions and Rearrangement Involving Carbocation Intermediates ......... 862

10.1.1. Carbon-Carbon Bond Formation Involving Carbocations ............. 862

10.1.2. Rearrangement of Carbocations ...................................................... 883

10.1.3. Related Rearrangements.................................................................. 892

10.1.4. Fragmentation Reactions ................................................................. 897

10.2. Reactions Involving Carbenes and Related Intermediates .......................... 903

10.2.1. Reactivity of Carbenes .................................................................... 905

10.2.2. Generation of Carbenes................................................................... 909

10.2.3. Addition Reactions .......................................................................... 916

10.2.4. Insertion Reactions .......................................................................... 934

10.2.5. Generation and Reactions of Ylides

by Carbenoid Decomposition.......................................................... 938

10.2.6. Rearrangement Reactions................................................................ 940

10.2.7. Related Reactions ............................................................................ 941

10.2.8. Nitrenes and Related Intermediates ................................................ 944

10.2.9. Rearrangements to Electron-Deficient Nitrogen ............................ 947

10.3. Reactions Involving Free Radical Intermediates ......................................... 956

10.3.1. Sources of Radical Intermediates.................................................... 957

10.3.2. Addition Reactions of Radicals with Substituted Alkenes............. 959

10.3.3. Cyclization of Free Radical Intermediates ..................................... 967

10.3.4. Additions to C=N Double Bonds................................................... 973

10.3.5. Tandem Radical Cyclizations and Alkylations............................... 979

10.3.6. Fragmentation and Rearrangement Reactions ................................ 984

10.3.7. Intramolecular Functionalization by Radical Reactions................. 989

Problems ................................................................................................................. 992

Chapter 11. Aromatic Substitution Reactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1003

Introduction............................................................................................................. 1003

11.1. Electrophilic Aromatic Substitution ............................................................. 1004

11.1.1. Nitration........................................................................................... 1004

11.1.2. Halogenation.................................................................................... 1008

11.1.3. Friedel-Crafts Alkylation................................................................. 1014

11.1.4. Friedel-Crafts Acylation.................................................................. 1017

11.1.5. Related Alkylation and Acylation Reactions.................................. 1023

11.1.6. Electrophilic Metallation ................................................................. 1026

11.2. Nucleophilic Aromatic Substitution ............................................................. 1027

11.2.1. Aryl Diazonium Ions as Synthetic Intermediates........................... 1027

11.2.2. Substitution by the Addition-Elimination Mechanism................... 1035

11.2.3. Substitution by the Elimination-Addition Mechanism................... 1039

11.3. Transition Metal–Catalyzed Aromatic Substitution Reactions.................... 1042

11.3.1. Copper-Catalyzed Reactions ........................................................... 1042

11.3.2. Palladium-Catalyzed Reactions....................................................... 1045

11.4. Aromatic Substitution Reactions Involving Radical Intermediates............. 1052

11.4.1. Aromatic Radical Substitution ........................................................ 1052

11.4.2. Substitution by the SRN 1 Mechanism ............................................. 1053

Problems ................................................................................................................. 1056

Chapter 12. Oxidations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1063

Introduction............................................................................................................. 1063

12.1. Oxidation of Alcohols to Aldehydes, Ketones, or Carboxylic Acids ......... 1063

12.1.1. Transition Metal Oxidants............................................................... 1063

12.1.2. Other Oxidants................................................................................. 1070

Contents

12.2. Addition of Oxygen at Carbon-Carbon Double Bonds ............................... 1074

12.2.1. Transition Metal Oxidants............................................................... 1074

12.2.2. Epoxides from Alkenes and Peroxidic Reagents............................ 1091

12.2.3. Subsequent Transformations of Epoxides ...................................... 1104

12.3. Allylic Oxidation .......................................................................................... 1116

12.3.1. Transition Metal Oxidants............................................................... 1116

12.3.2. Reaction of Alkenes with Singlet Oxygen ..................................... 1117

12.3.3. Other Oxidants................................................................................. 1124

12.4. Oxidative Cleavage of Carbon-Carbon Double Bonds ............................... 1126

12.4.1. Transition Metal Oxidants............................................................... 1126

12.4.2. Ozonolysis ....................................................................................... 1129

12.5. Oxidation of Ketones and Aldehydes .......................................................... 1131

12.5.1. Transition Metal Oxidants............................................................... 1131

12.5.2. Oxidation of Ketones and Aldehydes by Oxygen

and Peroxidic Compounds .............................................................. 1134

12.5.3. Oxidation with Other Reagents....................................................... 1143

12.6. Selective Oxidative Cleavages at Functional Groups.................................. 1144

12.6.1. Cleavage of Glycols ........................................................................ 1144

12.6.2. Oxidative Decarboxylation.............................................................. 1145

12.7. Oxidations at Unfunctionalized Carbon....................................................... 1148

Problems ................................................................................................................. 1151

Chapter 13. Multistep Syntheses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1163

Introduction............................................................................................................. 1163

13.1. Synthetic Analysis and Planning.................................................................. 1164

13.1.1. Retrosynthetic Analysis................................................................... 1164

13.1.2. Synthetic Equivalent Groups........................................................... 1166

13.1.3. Control of Stereochemistry ............................................................. 1171

13.2. Illustrative Syntheses.................................................................................... 1173

13.2.1. Juvabione ......................................................................................... 1174

13.2.2. Longifolene...................................................................................... 1186

13.2.3. Prelog-Djerassi Lactone .................................................................. 1196

13.2.4. Baccatin III and Taxol .................................................................... 1210

13.2.5. Epothilone A.................................................................................... 1220

13.2.6. Discodermolide................................................................................ 1231

13.3. Solid Phase Synthesis................................................................................... 1245

13.3.1. Solid Phase Polypeptide Synthesis ................................................. 1245

13.3.2. Solid Phase Synthesis of Oligonucleotides..................................... 1250

13.4. Combinatorial Synthesis............................................................................... 1252

General References................................................................................................. 1259

Problems ................................................................................................................. 1260

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Advanced Inorganic Chemistry: A comprehensive Text by Cotton-Wilkinson

Free chemistry book: Advanced Inorganic Chemistry: A comprehensive Text by Cotton-Wilkinson

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Advanced Inorganic Chemistry: A comprehensive Text by Cotton-Wilkinson

Cotton and Wilkinson′s Advanced Inorganic Chemistry has been the source that students and professional chemists have turned to for the background needed to understand current research literature in inorganic chemistry and aspects of organometallic chemistry. Like its predecessors, this updated Sixth Edition is organized around the periodic table of elements and provides a systematic treatment of the chemistry of all chemical elements and their compounds. It incorporates important recent developments with an emphasis on advances in the interpretation of structure, bonding, and reactivity.

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