Organic Conformational Analysis And Stereochemistry From Circular Dichroism Spectroscopy PDF Download

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Organic Conformational Analysis and Stereochemistry from Circular Dichroism Spectroscopy

Organic Conformational Analysis and Stereochemistry from Circular Dichroism Spectroscopy
Author: David A. Lightner
Publisher: John Wiley & Sons
Total Pages: 508
Release: 2000-03-31
Genre: Science
ISBN: 9780471354055

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Unter Zirkulardichroismus (CD) versteht man die spezifisch unterschiedliche Absorption von links- und rechtszirkular polarisiertem Licht durch bestimmte Moleküle. CD-Effekte lassen sich in Abhängigkeit von der Wellenlänge messen und spektroskopisch auswerten; sie geben beispielsweise Auskunft über die Konformation organischer Verbindungen. Dieses Buch richtet sich an den organischen Chemiker, der mit den Grundprinzipien der Stereochemie vertraut ist, und erläutert die Anwendung der CD-Spektroskopie zur Konformationsanalyse ausführlich und verständlich. (06/00)


VCD Spectroscopy for Organic Chemists

VCD Spectroscopy for Organic Chemists
Author: Philip J. Stephens
Publisher: CRC Press
Total Pages: 388
Release: 2012-06-25
Genre: Science
ISBN: 1439821712

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Stimulated by the increasing importance of chiral molecules as pharmaceuticals and the need for enantiomerically pure drugs, techniques in chiral chemistry have been expanded and refined, especially in the areas of chromatography, asymmetric synthesis, and spectroscopic methods for chiral molecule structural characterization. In addition to synthetic chiral molecules, naturally occurring molecules, which are invariably chiral and generally enantiomerically enriched, are of potential interest as leads for new drugs. VCD Spectroscopy for Organic Chemists discusses the applications of vibrational circular dichroism (VCD) spectroscopy to the structural characterization of chiral organic molecules. The book provides all of the information about VCD spectroscopy that an organic chemist needs in order to make use of the technique. The authors, experts responsible for much of the existing literature in this field, discuss the experimental measurement of VCD and the theoretical prediction of VCD. In addition, they evaluate the advantages and limitations of the technique in determining molecular structure. Given the availability of commercial VCD instrumentation and quantum chemistry software, it became possible in the late 1990s for chemists to use VCD in elucidating the stereochemistries of chiral organic molecules. This book helps organic chemists become more aware of the utility of VCD spectroscopy and provides them with sufficient knowledge to incorporate the technique into their own research.


Stereochemistry, Conformational Analysis and Attempted Synthesis of Trans-1,2-dimethylcyclooctene ; Synthesis of Some Dibenzo(a,e)cyclooctanes and a Study of Their Stereochemistry and Conformational Analysis from 1H-NMR, 17O-NMR, UV Spectroscopy and Molecular Mechanics Calculations ; Synthesis, Stereochemistry and Circular Dichroism of Some Bicyclo(3.2.1)octanones

Stereochemistry, Conformational Analysis and Attempted Synthesis of Trans-1,2-dimethylcyclooctene ; Synthesis of Some Dibenzo(a,e)cyclooctanes and a Study of Their Stereochemistry and Conformational Analysis from 1H-NMR, 17O-NMR, UV Spectroscopy and Molecular Mechanics Calculations ; Synthesis, Stereochemistry and Circular Dichroism of Some Bicyclo(3.2.1)octanones
Author: Eldon Ray Baumeister
Publisher:
Total Pages: 1098
Release: 1989
Genre: Alkenes
ISBN:

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VCD Spectroscopy for Organic Chemists

VCD Spectroscopy for Organic Chemists
Author: Philip J. Stephens
Publisher: CRC Press
Total Pages: 372
Release: 2012-06-25
Genre: Science
ISBN: 1439821720

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Stimulated by the increasing importance of chiral molecules as pharmaceuticals and the need for enantiomerically pure drugs, techniques in chiral chemistry have been expanded and refined, especially in the areas of chromatography, asymmetric synthesis, and spectroscopic methods for chiral molecule structural characterization. In addition to synthet


Stereochemistry

Stereochemistry
Author: Anil V. Karnik
Publisher: Elsevier
Total Pages: 622
Release: 2021-07-21
Genre: Science
ISBN: 012821063X

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Stereochemistry: A Three-Dimensional Insight draws on the knowledge of its expert authors, providing a systematic treatment on the fundamental aspects of stereochemistry, covering conformational aspects, configurational aspects, effects of bulkiness, stereoelectronic effects on properties of molecules, and the genesis of enantiomerism, among other topics. Visuals and exercises are included to consolidate the principles learned, and the contents are carefully structured to prepare readers for predicting and organizing reaction components to obtain desired stereochemical outcomes. This book is an indispensable guide for all those exploring stereochemistry within their work. The principles of stereochemistry are fundamental to understanding chemical behavior and can provide insights into a whole range of problems, from unusual selectivity and unexpected behaviors, to abnormally fast reactions and surprising biochemical preferences. However, understanding and exploring these 3D effects can be difficult within a 2D medium. This book has been designed to address this problem, providing foundational guidance on the principles and applications of stereochemistry that are fully supported by multimedia visuals. Combines foundational concepts and definitions with examples of stereochemistry in practice Highlights the conformational and configurational impact of atomic arrangement on chemical behavior Outlines methods of analysis Provides practical exercises and detailed multimedia visuals to support learning


Chemistry of Plant Natural Products

Chemistry of Plant Natural Products
Author: Sunil Kumar Talapatra
Publisher: Springer
Total Pages: 1197
Release: 2015-03-05
Genre: Science
ISBN: 3642454100

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Aimed at advanced undergraduate and graduate students and researchers working with natural products, Professors Sunil and Bani Talapatra provide a highly accessible compilation describing all aspects of plant natural products. Beginning with a general introduction to set the context, the authors then go on to carefully detail nomenclature, occurrence, isolation, detection, structure elucidation (by both degradation and spectroscopic techniques) stereochemistry, conformation, synthesis, biosynthesis, biological activity and commercial applications of the most important natural products of plant origin. Each chapter also includes detailed references (with titles) and a list of recommended books for additional study making this outstanding treatise a useful resource for teachers of chemistry and researchers working in universities, research institutes and industry.


Handbook Of Porphyrin Science: With Applications To Chemistry, Physics, Materials Science, Engineering, Biology And Medicine (Volumes 6-10)

Handbook Of Porphyrin Science: With Applications To Chemistry, Physics, Materials Science, Engineering, Biology And Medicine (Volumes 6-10)
Author: Karl M Kadish
Publisher: World Scientific
Total Pages: 2807
Release: 2010-06-29
Genre: Science
ISBN: 9814464910

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This is the second set of Handbook of Porphyrin Science.Porphyrins, phthalocyanines and their numerous analogues and derivatives are materials of tremendous importance in chemistry, materials science, physics, biology and medicine. They are the red color in blood (heme) and the green in leaves (chlorophyll); they are also excellent ligands that can coordinate with almost every metal in the Periodic Table. Grounded in natural systems, porphyrins are incredibly versatile and can be modified in many ways; each new modification yields derivatives, demonstrating new chemistry, physics and biology, with a vast array of medicinal and technical applications.As porphyrins are currently employed as platforms for study of theoretical principles and applications in a wide variety of fields, the Handbook of Porphyrin Science represents a timely ongoing series dealing in detail with the synthesis, chemistry, physicochemical and medical properties and applications of polypyrrole macrocycles. Professors Karl Kadish, Kevin Smith and Roger Guilard are internationally recognized experts in the research field of porphyrins, each having his own separate area of expertise in the field. Between them, they have published over 1500 peer-reviewed papers and edited more than three dozen books on diverse topics of porphyrins and phthalocyanines. In assembling the new volumes of this unique Handbook, they have selected and attracted the very best scientists in each sub-discipline as contributing authors.This Handbook will prove to be a modern authoritative treatise on the subject as it is a collection of up-to-date works by world-renowned experts in the field. Complete with hundreds of figures, tables and structural formulas, and thousands of literature citations, all researchers and graduate students in this field will find the Handbook of Porphyrin Science an essential, major reference source for many years to come.


Chiroptical Spectroscopy

Chiroptical Spectroscopy
Author: Prasad L. Polavarapu
Publisher: CRC Press
Total Pages: 298
Release: 2016-10-03
Genre: Science
ISBN: 1315357194

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This book details chiroptical spectroscopic methods: electronic circular dichroism (ECD), optical rotatory dispersion (ORD), vibrational circular dichroism (VCD), and vibrational Raman optical activity (VROA). For each technique, the text presents experimental methods for measurements and theoretical methods for analyzing the experimental data. It also includes a set of experiments that can be adopted for undergraduate teaching laboratories. Each chapter is written in an easy-to-follow format for novice readers, with necessary theoretical formalism in appendices for advanced readers.


Conformational Analysis of Molecules in Excited States

Conformational Analysis of Molecules in Excited States
Author: Jacek Waluk
Publisher: John Wiley & Sons
Total Pages: 400
Release: 2000-06-13
Genre: Science
ISBN: 9780471297079

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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


Basic Concepts in Organic Stereochemistry

Basic Concepts in Organic Stereochemistry
Author: Sunil Kumar Talapatra
Publisher: Springer Nature
Total Pages: 266
Release: 2023-01-01
Genre: Science
ISBN: 3030959902

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This book discusses essential stereochemical concepts associated with organic molecules (natural or synthetic), as reflected in the course of their many reactions, their mechanisms, their asymmetric synthesis, biosynthesis, and biological activities. This treatise provides useful insights and understanding of the chiral/achiral designations (nomenclatures), the stereochemical features, and related properties of the natural and synthetic products. Without having an adequate knowledge of stereochemical concepts, it will not be possible to understand and appreciate the stereochemistry of natural or synthetic products. Thus, essential static and dynamic aspects of stereochemistry with sufficient illustrative examples along with discussions are presented. The structure of the monograph allows for easy selection of separate topics for reading and teaching. This book will also provide an idea of basic stereochemical concepts, as applied to organic molecules in general as well as to organic ligands in coordination complexes, and will, therefore, be valuable resources to teachers and students of advanced undergraduates and post-graduates, researchers, and professionals.