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Organic Photochemistry and Photophysics





ISBN 9780367453961
Published December 2, 2019 by CRC Press
312 Pages 179 B/W Illustrations

 
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Book Description

Featuring contributions from leading experts, Organic Photochemistry and Photophysics is a unique resource that addresses the organic photochemistry and photophysical behavior in aromatic molecules, thiocarbonyls, selected porphyrins, and metalloporphyrins.

The book presents theories pertaining to radiative and radiationless transitions. It describes excited-state proton-transfer reactions of aromatic compounds and the physical, energetic, and environmental effects of atom transfer reactions. The text discusses the role of the carbonyl and azo groups in ketones and azoalkanes in the development of photochemistry, followed by a review of nucleophilic substitution reactions in the photochemistry of aromatics (also called photosubstitution) and the various atomic bonds that result from these reactions. The book presents studies that explain the factors that govern the nature and efficiencies of SET-promoted photochemical reactions. It then focuses on photoamination as a convenient, powerful, and environmentally friendly synthetic process for transforming a variety of substrates into the corresponding aminated compounds. The final chapter explores how dye structure affects the sequence-dependence of DNA binding, which has potential applications in nonlinear optics and DNA detection as well as incorporating DNA into various nanostructures and devices.

With an emphasis on the current uses of light in both materials chemistry and medicinal chemistry, this book serves as a comprehensive resource on photochemical reactions and discusses topics that are useful for researchers as well as newcomers in the fields of photochemistry, photobiology, photomedicine, and photophysics

Table of Contents

Photochemistry and Photophysics of Highly Excited Valence States of Polyatomic Molecules: Nonalternant Aromatics, Thioketones, and Metalloporphyrins; G. Burdzinski, J. Kubicki, A. Maciejewski, R.P. Steer, S. Velate, and E.K.L. Yeow
Introduction
Azulene and Other Nonalternant Aromatic Hydrocarbons and
Their Derivatives
Thioketones
Porphyrins and Metalloporphyrins
Conclusion

Proton Transfer Reactions in the Excited States; H. Shizuka and S. Tobita
Introduction
Determination of pKa * Values in the Excited State
Proton-Induced Quenching
Effect of Electronic Structures on Proton Transfer Reactions
Environmental Effects on Excited-State Proton Transfer Reactions
Proton and Hydrogen Atom Transfer Reactions
Ultrafast Proton Transfer in the Excited States
Applications of Excited-State Proton Transfer Reactions
Conclusions

Photoreactivity of n,p*-Excited Azoalkanes and Ketones; W.M. Nau and U. Pischel
Introduction
Photophysical Properties
Factors Affecting Photochemical Reactivity
Quenching Rate Constants

Photonucleophilic Substitution Reactions; M. Fagnoni and A. Albini
Introduction
Mechanism
Formation of a C-C or Other C-IV Group Elements Bond
Formation of a C-V Group Elements Bond
Formation of a C-VI Group Elements Bond, Except Oxygen
Formation of a C-Halogen Bond
Formation of a C-O Bond
Synthetic Significance of Photonucleophilic Substitutions

Mechanistic and Synthetic Aspects of SET-Promoted Photocyclization Reactions of Silicon Substituted Phthalimides; U.C. Yoon and P.S. Mariano
Introduction
SET-Photochemistry of Silicon Containing Phthalimides
Summary

Photoamination with Ammonia and Amines; M. Yasuda, T. Shiragami, J. Matsumoto, T. Yamashita, and K. Shima
Introduction and Background
Photochemical Polar Addition
Photoamination via Category III: General Aspects
Photoamination via Category III: Products Analysis
Photoamination via Category III: Mechanistic Aspects
Scope and Limitation
Conclusion

DNA-Templated Assembly of Helical Multichromophore Aggregates; B.A. Armitage
Introduction
DNA-Templated Aggregation of Cyanine Dyes
DNA-Templated Assembly of Stacked Porphyrin Aggregates
Applications
Covalently Linked Dye Aggregates: DNA-Based Foldamers
Conclusion

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Editor(s)

Biography

V. Ramamurthy Professor Department of Chemistry University of Miami Miami, Florida Kirk S. Schanze Professor Department of Chemistry University of Florida Gainesville, Florida

Reviews

"[This book] is a reference that should be useful to experts in the field for an in-depth survey of the recent literature. As most of the chapters include a concise introduction, the book can also serve as an excellent resource for graduate students or anyone who is new to the fields of organic photochemistry and photophysics."
-Anna D. Gudmundsdóttir, Journal of the American Chemical Society, Vol. 128, No. 24, 2006