Physical Methods In Heterocyclic Chemistry

Author : A Katritzky
Publisher : Elsevier
Page : 487 pages
File Size : 46,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323148504

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Physical Methods in Heterocyclic Chemistry V3 by A Katritzky Pdf

Physical Methods in Heterocyclic Chemistry, Volume III provides information pertinent to ionization constants and ultraviolet spectra. This book discusses the methods for the prediction of ionization constants. Comprised of seven chapters, this volume starts with an overview of the ionization constants of a number of heterocyclic compounds. This text then describes the procedures that are usually followed when molecular structure determinations based on electron diffraction measurements are carried out. Other chapters consider the concept of group frequencies, which rests upon the experimental fact that certain groups of atom give rise to vibrational transitions which are close or at the same frequency irrespective of the particular molecule in which the group occurs. The final chapter deals with the optical rotatory power, which is the only generally accessible physical property by which enantiomers can be distinguished in isolation. Heterocyclic chemists, biochemists, molecular biologists, and researchers will find this book extremely useful.

Author : Alan R. Katritzky
Publisher : Unknown
Page : 420 pages
File Size : 47,7 Mb
Release : 1963
Category : Heterocyclic chemistry
ISBN : UOM:39015016103718

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Physical Methods in Heterocyclic Chemistry by Alan R. Katritzky Pdf

Author : A. R. Katritzky
Publisher : Elsevier
Page : 497 pages
File Size : 48,7 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483273198

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Physical Methods in Heterocyclic Chemistry by A. R. Katritzky Pdf

Physical Methods in Heterocyclic Chemistry, Volume IV, discusses the application of physical methods to organic chemistry, and in particular to heterocyclic chemistry. Since the publication in 1963 of the first two volumes of this treatise, the application of physical methods to organic chemistry, and in particular to heterocyclic chemistry, has proceeded apace. The importance of physical methods to structure determination and to the understanding of inter- and intramolecular interactions has increased no less than the flood of new work. Heterocyclic chemists are thus faced with the necessity of having more to comprehend for the efficient execution of their own work. The present volume includes chapters on electric dipole moments and heteroaromatic reactivity, which originally appeared in Volume I, and chapters on nuclear quadrupole resonance, nuclear magnetic resonance, and infrared spectra, which originally formed part of Volume II. Also included is one new topic: dielectric absorption.

Author : A Katritzky
Publisher : Elsevier
Page : 318 pages
File Size : 53,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323156141

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Physical Methods in Heterocyclic Chemistry V6 by A Katritzky Pdf

Physical Methods in Heterocyclic Chemistry, Volume VI discusses several topics including bond energies, electron-spin resonance, microwave spectroscopy, and photoelectron spectroscopy. This book explores the thermochemical applications to heterocyclic chemistry. Comprised of five chapters, this volume starts with an overview of the technique of photoelectron spectroscopy. This text then illustrates the various potentialities of photoelectron spectroscopy by discussing four examples taken from the field of heterocyclic compounds. Other chapters determine the magnitudes as well as the lines of action of electric dipole moments in the molecular framework. This book discusses as well the emission of light by individual molecules in solution, particularly heterocyclic molecules, which are electronically excited as a result of the absorption of visible or ultraviolet light. The final chapter deals with the aspects of heats of combustion, heats of hydrogenation, heats of formation, and bond energies. Heterocyclic chemists, chemists, biochemists, molecular biologists, and researchers will find this book extremely useful.

Author : P Wheatley
Publisher : Elsevier
Page : 613 pages
File Size : 46,8 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323144599

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Physical Methods in Heterocyclic Chemistry V5 by P Wheatley Pdf

Physical Methods in Heterocyclic Chemistry, Volume V: Handbook of Molecular Dimensions focuses on bond lengths and angles from X-ray crystallography. This book provides a list of known X-ray structure determinations of molecules and ions that contain heterocyclic rings. Comprised of one chapter, this volume starts with an overview of the use of X-ray diffraction for the study of the geometry of molecules of all types. This text then discusses the three primary reasons for the lack of accuracy in bond lengths and angles determined by X-ray diffraction. This book discusses as well the effect of substitution on the bond lengths and angles in a heterocyclic ring system. The reader is also introduced to the various factors influencing the magnitudes of bond lengths and angles in molecules, which include the degree of hybridization, bond orders, electronegativity, interelectronic repulsion, or the equivalent concepts in terms of which these factors may be expressed. Heterocyclic chemists, biochemists, molecular biologists, and researchers will find this book useful.

Author : A. R. Katritzky
Publisher : Unknown
Page : 598 pages
File Size : 43,7 Mb
Release : 1972
Category : Heterocyclic compounds
ISBN : OCLC:473856499

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Physical Methods in Heterocyclic Chemistry by A. R. Katritzky Pdf

Author : Anonim
Publisher : Unknown
Page : 346 pages
File Size : 40,6 Mb
Release : 1963
Category : Electronic
ISBN : OCLC:715615172

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Physical Methods in Heterocyclic Chemistry by Anonim Pdf

Author : Alan R. Katritzky,J. M. Lagowski
Publisher : Elsevier
Page : 199 pages
File Size : 42,7 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483274515

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The Principles of Heterocyclic Chemistry by Alan R. Katritzky,J. M. Lagowski Pdf

The Principles of Heterocyclic Chemistry presents a unified account of fundamental heterocyclic chemistry with the emphasis placed on the correlations between the methods of preparation and the properties of the various ring systems. This book opens with an introductory chapter that discusses fundamental concepts of the electronic theory of organic chemistry and the relationship of heterocyclic and carbocyclic aromatic compounds. This is followed by separate chapters on the chemistry of the six-membered ring compounds containing one or more heteroatoms, five-membered ring compounds, three- and four-membered rings, and the physical properties of representative heterocyclic compounds. Each chapter begins with introductory section that surveys the various ring types, gives the systems of nomenclature and numbering, and mentions a few important natural and synthetic compounds. Syntheses starting from aliphatic and carbocyclic compounds are then given. The preparation of one heterocyclic compound from another is considered as a reaction of the starting material. The reactions of aromatic and non-aromatic compounds are discussed separately. This book contains the essential heterocyclic chemistry required by an Undergraduate or Graduate student for his course-work, and it is hoped that it will be found stimulating by many a more senior teacher and researcher.

Author : Ravindra S. Shinde,A. K. Haghi
Publisher : CRC Press
Page : 302 pages
File Size : 41,9 Mb
Release : 2020-03-31
Category : Medical
ISBN : 9781000029178

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Modern Green Chemistry and Heterocyclic Compounds by Ravindra S. Shinde,A. K. Haghi Pdf

This book covers the general properties of heterocyclic compounds and methods for their preparation to use in applications of green chemistry. Heterocyclic compounds are an important class of molecules in organic chemistry due to their presence in natural products and their use in pharmaceuticals and new materials. They also play a vital role in the metabolism of living cells. Heterocyclic compounds have a wide range of applications in agrochemicals, pharmaceuticals, veterinary products, etc. This research-oriented volume is ideal for readers who want to fully realize the almost limitless potential of heterocyclic compounds and to discover new and effective pharmaceuticals among heterocyclic compounds, the largest and most varied family of organic compounds. The book features several case studies and step-by-step descriptions of synthetic methods and practical techniques. It also serves as a guide for chemists, offering them new insights and new paths to explore for effective drug discovery.

Author : Jie Jack Li
Publisher : John Wiley & Sons
Page : 688 pages
File Size : 45,5 Mb
Release : 2013-04-26
Category : Science
ISBN : 9781118354438

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Heterocyclic Chemistry in Drug Discovery by Jie Jack Li Pdf

Enables researchers to fully realize the potential to discover new pharmaceuticals among heterocyclic compounds Integrating heterocyclic chemistry and drug discovery, this innovative text enables readers to understand how and why these two fields go hand in hand in the effective practice of medicinal chemistry. Contributions from international leaders in the field review more than 100 years of findings, explaining their relevance to contemporary drug discovery practice. Moreover, these authors have provided plenty of practical guidance and tips based on their own academic and industrial laboratory experience, helping readers avoid common pitfalls. Heterocyclic Chemistry in Drug Discovery is ideal for readers who want to fully realize the almost limitless potential to discover new and effective pharmaceuticals among heterocyclic compounds, the largest and most varied family of organic compounds. The book features: Several case studies illustrating the role and application of 3, 4, 5, and 6+ heterocyclic ring systems in drug discovery Step-by-step descriptions of synthetic methods and practical techniques Examination of the physical properties for each heterocycle, including NMR data and quantum calculations Detailed explanations of the complexity and intricacies of reactivity and stability for each class of heterocycles Heterocyclic Chemistry in Drug Discovery is recommended as a textbook for organic and medicinal chemistry courses, particularly those emphasizing heterocyclic chemistry. The text also serves as a guide for medicinal and process chemists in the pharmaceutical industry, offering them new insights and new paths to explore for effective drug discovery.

Author : Alan R. Katritzky,Christopher A. Ramsden,John A. Joule,Viktor V. Zhdankin
Publisher : Elsevier
Page : 1010 pages
File Size : 50,6 Mb
Release : 2010-08-24
Category : Science
ISBN : 0080958443

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Handbook of Heterocyclic Chemistry by Alan R. Katritzky,Christopher A. Ramsden,John A. Joule,Viktor V. Zhdankin Pdf

Heterocyclic compounds play a vital role in the metabolism of living cells. Their practical applications range from extensive clinical use to fields as diverse as agriculture, photography, biocide formulation and polymer science. Written by leading scholars and industry experts, the Handbook of Heterocyclic Chemistry is thoroughly updated with over 50% new content. It has been rewritten with a new expanded author team, who have carefully distilled essential information on the reactivity, structure and synthesis of heterocycles from the 2008 major reference work Comprehensive Heterocyclic Chemistry III. To bring the work up to date the author team have also added new synthetic examples and structures, key applications and new references from 2008-2010. Contains more than 1500 clearly drawn structures and reactions. The highly systematic coverage given to the subject makes this one of the most authoritative single-volume accounts of modern heterocyclic chemistry available and should be useful reference for those teaching a heterocyclic course. Covers the structure, reactivity and synthesis of all heterocyclic compounds as distilled from the larger 15-volume reference work Saves researchers time when they require important information on heterocycles--speeding them to thousands of clearly drawn chemical structures and pertinent reviews by leading experts Features 35% new material to compliment the completely revised text

Author : Anonim
Publisher : Academic Press
Page : 475 pages
File Size : 50,5 Mb
Release : 1963-01-01
Category : Science
ISBN : 0080575889

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Advances in Heterocyclic Chemistry by Anonim Pdf

Advances in Heterocyclic Chemistry

Author : Raj K. Bansal
Publisher : New Age International
Page : 508 pages
File Size : 42,9 Mb
Release : 2020
Category : Electronic
ISBN : 8122412122

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Heterocyclic Chemistry by Raj K. Bansal Pdf

Author : Alan R. Katritzky
Publisher : Unknown
Page : 624 pages
File Size : 49,9 Mb
Release : 1963
Category : Heterocyclic chemistry
ISBN : UOM:39015059082779

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Physical Methods in Heterocyclic Chemistry by Alan R. Katritzky Pdf

Author : John A. Joule,Keith Mills
Publisher : John Wiley & Sons
Page : 719 pages
File Size : 51,7 Mb
Release : 2010-06-15
Category : Science
ISBN : 9781405193658

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Heterocyclic Chemistry by John A. Joule,Keith Mills Pdf

This book has so closely matched the requirements of its readership over the years that it has become the first choice for chemists worldwide. Heterocyclic chemistry comprises at least half of all organic chemistry research worldwide. In particular, the vast majority of organic work done in the pharmaceutical and agrochemical industries is heterocyclic chemistry. The fifth edition of Heterocyclic Chemistry maintains the principal objective of earlier editions – to teach the fundamentals of heterocyclic reactivity and synthesis in a way that is understandable to second- and third-year undergraduate chemistry students. The inclusion of more advanced and current material also makes the book a valuable reference text for postgraduate taught courses, postgraduate researchers, and chemists at all levels working with heterocyclic compounds in industry. Fully updated and expanded to reflect important 21st century advances, the fifth edition of this classic text includes the following innovations: Extensive use of colour to highlight changes in structure and bonding during reactions Entirely new chapters on organometallic heterocyclic chemistry, heterocyclic natural products, especially in biochemical processes, and heterocycles in medicine New sections focusing on heterocyclic fluorine compounds, isotopically labeled heterocycles, and solid-phase chemistry, microwave heating and flow reactors in the heterocyclic context Essential teaching material in the early chapters is followed by short chapters throughout the text which capture the essence of heterocyclic reactivity in concise resumés suitable as introductions or summaries, for example for examination preparation. Detailed, systematic discussions cover the reactivity and synthesis of all the important heterocyclic systems. Original references and references to reviews are given throughout the text, vital for postgraduate teaching and for research scientists. Problems, divided into straightforward revision exercises, and more challenging questions (with solutions available online), help the reader to understand and apply the principles of heterocyclic reactivity and synthesis.