Download or read book Excited States and Photochemistry of Organic Molecules written by Martin Klessinger and published by VCH Publishers. This book was released on 1995 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: A significantly updated translation of Lichtabsorption und Photochemie Organischer Molekule, published by VCH in 1989. A graduate textbook that provides a qualitative description of electronic excitation in organic molecules and of the associated spectroscopy, photophysics, and photochemistry. The treatment is non- mathematical and emphasizes the use of simple qualitative models for developing an intuitive feeling for the course of photophysical and photochemical processes in terms of potential energy hypersurfaces. Special attention is paid to recent developments, particularly to the role of conical intersections. Annotation copyright by Book News, Inc., Portland, OR

Download or read book Light Absorption and Photochemistry of Organic Molecules written by M. Klessinger and published by Vch Pub. This book was released on 1993-09-01 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Excited States in Organic Chemistry written by J. A. Barltrop and published by John Wiley & Sons. This book was released on 1975 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Modern Molecular Photochemistry written by Nicholas J. Turro and published by University Science Books. This book was released on 1991 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last two decades the photochemistry of organic molecules has grown into an important and pervasive branch of organic chemistry. In Modern Molecular Photochemistry, the author brings students up to date with the advances in this field - the development of the theory of photoreactions, the utilization of photoreactions in synthetic sequences, and the advancement of powerful laser techniques to study the mechanisms of photoreactions.

Download or read book Photochemistry of Organic Compounds written by Petr Klán and published by John Wiley & Sons. This book was released on 2009-01-28 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochemistry of Organic Compounds: From Concepts toPractice provides a hands-on guide demonstrating the underlyingprinciples of photochemistry and, by reference to a range oforganic reaction types, its effective use in the synthesis of neworganic compounds and in various applications. The book presents a complete and methodical approach to thetopic, Working from basic principles, discussing key techniques andstudies of reactive intermediates, and illustrating syntheticphotochemical procedures. Incorporating special topics and case studies covering variousapplications of photochemistry in chemistry, environmentalsciences, biochemistry, physics, medicine, and industry. Providing extensive references to the original literature andto review articles. Concluding with a chapter on retrosynthetic photochemistry,listing key reactions to aid the reader in designing their ownsynthetic pathways. This book will be a valuable source of information andinspiration for postgraduates as well as professionals from a widerange of chemical and natural sciences.

Download or read book Organic Photochemistry and Photophysics written by V. Ramamurthy and published by CRC Press. This book was released on 2005-11-14 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Computational Methods in Photochemistry written by Andrei G. Kutateladze and published by CRC Press. This book was released on 2005-05-05 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addressing critical aspects of computational modeling in photochemistry, Molecular Methods in Photochemistry is designed to familiarize researchers and practitioners with state-of-the-art computational methods to predict the reactivity of excited molecules. It provides practical guidelines and examples for the modeling of excited states and describ

Download or read book Synthetic Organic Photochemistry written by W.M. Horspool and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Modern Molecular Photochemistry of Organic Molecules written by Nicholas J. Turro and published by . This book was released on 2010-02-10 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title presents a totally integrated theory of organic photochemistry, including the first visualization of the role of electron spin at all levels. Chapters describing how experiment and theory can be applied to an understanding of the fundamental chromophors of organic chemistry are included.

Download or read book Handbook of Photochemistry Second Edition written by Steven L. Murov and published by CRC Press. This book was released on 1993-08-11 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume compiles unimolecular and bimolecular photochemical data for a wide range of commonly used organic molecules. This edition contains information on bimolecular quenching of both singlet and triplet states, transient absorbance of excited triplet states, and computer-generated molecular formula and name indexes.;Handbook of Photochemistry is intended for physical and organic chemists, biochemists, photobiologists, physicists, laser engineers and graduates in these disciplines.

Download or read book Photochemistry and Photophysics written by Vincenzo Balzani and published by John Wiley & Sons. This book was released on 2024-08-22 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Connects principles, processes, and experimental techniques with current research in the continuously expanding field of photochemistry and photophysics Photochemistry and Photophysics covers a wide spectrum of concepts in photochemistry and photophysics, introducing principles, processes, and experimental techniques, with a wealth of examples of current applications and research spanning natural photosynthesis, photomedicine, photochromism, luminescent sensors, energy conversion and storage, and sustainability issues. In this Second Edition, several chapters have been revised considerably and others have been almost entirely rewritten. A number of schemes and figures have been added, and the reference list at the end of each chapter has been extended and updated. Clearly structured, the first part of the text discusses the formation, properties, and reactivity of excited states of inorganic and organic molecules and supramolecular species, and the second part focuses on photochemical and photophysical processes in natural and artificial systems. Readers will learn how photochemical and photophysical processes can be exploited for novel, unusual, and unexpected applications. Written by world-renowned experts in the field, Photochemistry and Photophysics includes information on: Formation, electronic structure, properties, chemical reactivity, and radiative and nonradiative decay of electronically excited states Fundamental concepts and theoretical approaches concerning energy transfer and electron transfer Peculiar light absorption/emission spectra and the photochemical properties of the various families of organic molecules and metal complexes Equipment, techniques, procedures, and reference data concerning photochemical and photophysical experiments, including warnings to avoid mistakes and misinterpretations Relationships between photochemical, photophysical, and electrochemical properties of molecules that enable interconversion between light and chemical energy With an appropriate mix of introductory, intermediate, and advanced content, this is an ideal textbook resource for related undergraduate and postgraduate courses. The text is also valuable for scientists already active in photochemical and photophysical research who will find helpful suggestions to undertake novel scientific projects.

Download or read book Handbook of Synthetic Photochemistry written by Angelo Albini and published by John Wiley & Sons. This book was released on 2010-02-01 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique in its focus on preparative impact rather than mechanistic details, this handbook provides an overview of photochemical reactions classed according to the structural feature that is built in the photochemical step, so as to facilitate use by synthetic chemists unfamiliar with this topic. An introductory section covers practical questions on how to run a photochemical reaction, while all classes of the most important photocatalytic reactions are also included. Perfect for organic synthetic chemists in academia and industry.

Download or read book Photochemistry written by D. R. Arnold and published by Academic Press. This book was released on 2014-06-28 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochemistry: An Introduction covers topics such as industrial photochemistry, solid state photochemistry, spectroscopy and photochemistry of the solid state, industrial applications of photochemistry, and photochromism. The book discusses the application of bonding, structure, energetics, and reactivity of the ground states of molecules to describe the same properties for molecules in their electronically excited states; the electronic spectra of excited states; and how the excited states react to form chemical transients. The text also describes light sources, techniques for measuring light intensities and quantum yields, methods used to detect transient photochemical products, and some ancilliary techniques. A review of some features of typical photochemical processes conducted in the vapor state and a survey of the reactions of the urban atmosphere, are also considered. The book further tackles the mechanisms of organic photochemical reactions; the synthetic applications of organic photochemistry; and the photochemistry of the solid state. The text also looks into photochromism and the industrial applications of photochemistry. People involved in the field of photochemistry will find the book useful.

Download or read book LIGHT AS A REAGENT FOR CHEMICAL REACTIONS EXCITED STATE MANIPULATION TO DISCOVER NEW REACTIVITY written by Sunil Kumar Kandappa and published by . This book was released on 2019 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochemical reactions provide a complementary strategy for the synthesis of complex organic molecules as it often involves multiple bond formation in a single step. However, use of organic photoreaction as a common tool in synthesis is limited due to challenges associated with controlling their excited state properties. Altering the molecular framework has the potential to alter their excited state features opening new reactive pathways. This requires in depth understanding of reactivity and excited state dynamics. This dissertation details an effort to engineer new excited state reactions of organic molecules. Fundamentals of organic photochemistry and various strategies that were developed in this field are discussed in the first chapter. It details concepts related to organic photoreactions and asymmetric photochemical transformations, which are known to be quite challenging due to short life time and high energetics of the reactive excited states. The chapter details various methodologies that are developed and successfully implemented for controlling photochemical reactions. Second chapter describes photocycloaddition of an excited alkene to a carbonyl group. Due to the difference in the nature of orbital that initiates the cycloaddition, the reaction was labeled as Transposed Paternò-Büchi reaction. The strategy developed in this chapter is different from normal Paternò-Büchi, where an excited state carbonyl functionality adds to a ground state alkene. In-depth investigations were carried out to decipher the excited state in the reaction pathway with a likely mechanistic rationale. Chapter three details the photocycloaddition of excited alkenes with statistical and nonstabilized imines. This newly uncovered reaction was labeled as Aza Paternò-Büchi reaction. This new reaction was deciphered using photophysical studies. The reactive modes were This new reaction was deciphered using photophysical studies. The reactive modes were Fourth chapter details entropic effects as a tool to control chemoselectvity involving intramolecular [2+2] vs [3+2]-photocycloaddition. The physical properties for entropic control were deciphered due to [2+2] and [3+2] cycloaddition.

Download or read book Understanding and Manipulating Excited State Processes written by V. Ramamurthy and published by CRC Press. This book was released on 2001-08-21 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: A state-of-the-art review of original research, this book includes discussions of intramolecular photoadditoin of nucleophiles, electrophiles, and radical species to the activated aromatic ring; new methods for regio-, anantio-, and diastereoselective photooxygenations involving singlet oxygen mechanisms; and applications of microreactors for photo

Download or read book Excited States of Proteins and Nucleic Acids written by Robert F. Steiner and published by Springer. This book was released on 1971-08 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: The choice of title for this collective volume reflects the desire of the editors and authors to make clear that, while the bulk of the material is concerned with luminescence, other aspects of the excited state have not been excluded. In the five years which have elapsed since the publication of the classical monograph of Konev, a wealth of new information has ap peared on the emission properties of proteins and nucleic acids. Indeed, since new publications in this area appear to be proliferating in a geometric ratio, this may be the last opportunity to provide a comprehensive summary of the field in a book which is not of prohibitive length. This is what we have attempted to do here. While the orientation of each chapter naturally reflects the interests and point of view of the author, there has been a general effort to present .a critical assessment of existing results and interpretations, rather than a compendium of data with minimal comment. Finally, it should be stressed that the rapid evolution of the subject at the time of writing makes it inevitable that the book will age to some degree over the next few years, although this will occur at differing rates for the various chapters. We can only hope that most of the material in this interim summing-up will prove resistant to the erosion of time and provide a solid foundation for further progress.

Download or read book Conformational Analysis of Molecules in Excited States written by Jacek Waluk and published by John Wiley & Sons. This book was released on 2000-06-13 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique look at some of the hottest topics in photophysics and photochemistry today The study of molecules in excited states has exploded over the past decade, providing new insights into conformational changes in organic molecules and opening up research opportunities for scientists and professionals in chemistry, physics, biology, medicine, and materials engineering. Using conformational analysis as a unifying concept, this important new work provides readers with a cohesive and cutting-edge overview of this fascinating and challenging field. From conformational changes accompanying photoinduced electron transfer to elementary photophysical and photochemical processes in living systems, the most representative and challenging topics are carefully gleaned from the vast literature, highlighting major conceptual problems along with the relevant experimental techniques. Authoritative, detailed contributions from both experimentalists and theoreticians include coverage of: * Conformational changes in intramolecular excited state electron transfer * Conformational aspects of excited state proton transfer * The novel topic of solute-solvent friction in chemical reactions * Mechanisms and structural aspects of exciplex formations * Conformational aspects of organic photochemistry * Calculations of excited state conformational properties