Overview

Of all major branches of organic chemistry, I think none has undergone such a rapid, even explosive, development during the past twenty-five years as organic photochemistry. Prior to about 1960, photochemistry was still widely regarded as a branch of physical chemistry which might perhaps have oc­ casional applications in the generation of free radicals. Strangely enough, this attitude to the subject had developed despite such early signs of promise as the photodimerization of anthracene first observed by Fritzsche in 1866, and some strikingly original pioneering work by Ciamician and Silber in the early years of this century. These latter workers first reported such varied photo­ reactions as the photoisomerization of carvenone to carvone camphor, the photodimerization of stilbene, and the photoisomerization of o-nitrobenzal­ dehyde to o-nitrosobenzoic acid; yet organic chemists continued for another fifty years or so to rely almost wholly on thermal rather than photochemical methods of activation in organic synthesis-truly a dark age. When my colleagues and I first began in the 1950s to study the synthetic possibilities of photoexcitation in the chemistry of benzene and its derivatives, virtually all the prior reports had indicated that benzene was stable to ultraviolet radiation. Yet I think it fair to say that more different types of photoreactions than thermal reactions of the benzene ring are now known. Comparable growth of knowledge has occurred in other branches of organic photochemistry, and photochemical techniques have in particular made possible or simplified the synthesis of numerous highly strained organic molecules.

Full Product Details

Author:   W.M. Horspool
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Dimensions:   Width: 15.20cm , Height: 2.90cm , Length: 22.90cm
Weight:   0.805kg
ISBN:  

9781461296683

ISBN 10:   1461296684
Pages:   534
Publication Date:   04 October 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1. Photoaddition and Photocyclization Processes of Aromatic Compounds.- 1. Introduction.- 2. Intermolecular Reactions.- 3. Intramolecular Cyclization Processes.- 2. Enone Photochemical Cycloaddition in Organic Synthesis.- 1. Introduction.- 2. The Reaction Mechanism.- 3. Regiochemistry of Enone Cycloaddition.- 4. Stereochemistry of Enone Cycloaddition.- 5. Intramolecular Enone Cycloadditions.- 6. The de Mayo Reaction.- 7. Intermolecular Enone Cycloaddition.- 8. Photochemical Cycloaddition between Enones and Allenes.- References.- 3. Synthetic Aspects of Photochemical Electron Transfer Reactions.- 1. Introduction.- 2. Reaction Pathways Followed in Electron Transfer Photochemistry.- 4. Phthalimide and Its Derivatives.- 1. Introduction.- 2. Hydrogen Abstraction.- 3. Reaction with Alkenes.- 4. Cleavage Reactions.- 5. Spectra and Excited States.- 6. Summary.- References.- 5. Photochemical Addition Reactions in the Benzo(b)Thiophene, Benzo(b)Furan, and Indole Series.- 1. Introduction.- 2. Photochemistry.- 3. Benzo(b)thiophene.- 4. Indoles.- 5. Benzo(b)thiophenes.- 6. Benzo(b)furans.- 7. Thermal Reactions of the 2-Hetero-bicyclo(3.2.0)heptadienes.- 8. 1,3-Dimethylindole.- 9. Photocycloadditions of Benzo(b)thiophene to Alkenes.- References.- 6. Azirine Photolysis and Cycloaddition Reactions.- 1. Introduction.- 2. Cycloaddition Reactions.- 3. Photodimerization of Azirines.- 4. Intramolecular Cycloaddition Reactions.- 5. Mechanisms for Cycloaddition Reactions of Nitrile Ylides.- 6. Fragmentation Reactions.- 7. Group Migration Reactions.- References.- 7. Photoremovable Protecting Groups.- 1. Introduction.- 2. Alcohols.- 3. Diols.- 4. Phenols.- 5. Aldehydes and Ketones.- 6. Carboxylic Acids and Amides.- 7. Amines.- 8. Phosphates.- 9. Conclusion.- References.- 8. Photochemical Synthesis of Oxetans.- 1. Introduction.- 2. Reaction Mechanism.- 3. Alkene Addends.- 4. Carbonyl Addends.- 5. Intramolecular Cycloadditions.- 6. Chemical Reactions of Oxetans.- References.- 9. Equipment and Techniques.- 1. Mercury Vapor Lamps.- 2. Lamps in Conjunction with Filters.- 3. Photochemical Apparatus.- 4. Actinometry.- 5. Purity of Solvents and Gases.- References.

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