Molecular Orbital Studies in Chemical Pharmacology

Molecular Orbital Studies in Chemical Pharmacology

Author: Lemont B. Kier

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 296

ISBN-13: 364287536X

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A symposium on molecular orbital studies in chemical pharmacology was held at the Battelle Seattle Research Center of Batteile Memorial Institute in Seattle, Washington, U.S.A, on October 20-22, 1969. This volume is a col lection of the lectures presented at that symposium. The use of quantum mechanics to study the actions of molecules of biological importance is being developed by a number of scientists concerned with these phenomena. The advent of high speed computers has made possible the appl i cation of this technique to large molecules, of the kind important in living systems. One result of this expanded computational abi I ity has been the uti I i zation of molecular orbital theory by a group of scientists of diverse backgrounds. The lecturers at this symposium, all interested in molecular orbital theory, have backgrounds in pharmacology, physical chemistry, theoretical chemistry, bio chemistry and medicinal chemistry. The common denominator among these scientists has been the realization that they must search at the primary level of chemical events for explanations of biological phenomena. Since these events are governed to a large extent by the properties of the valence electrons of molecules, molecular orbital theory offers great promise in explaining and predicting biological phenomena. October, 1969 Lemont B. Kier Table of Contents v Preface BERNARD PULLMAN - Electrons in Nucleic Acids and their Cons- tu ent s JAMES R. HOYLAND - Semiempirical MO Theories: A Critique and 31 a Rev i ew of Progress ••••• . •••.


Molecular Orbital Theory In Drug Research

Molecular Orbital Theory In Drug Research

Author: Lemont Kier

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 273

ISBN-13: 0323158277

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Medicinal Chemistry, Volume 10: Molecular Orbital Theory in Drug Research is a 12-chapter text that emerged from a series of lectures presented to graduate students in medicinal chemistry at the University of Michigan. After dealing with the general considerations of drug phenomena and quantum theory, this book goes on exploring the various molecular orbital calculation methods and the significance of molecular orbital indices. The subsequent chapters on the applications of molecular orbital theory are organized on the basis of physical chemical phenomena concluded from the studies described to be involved in the biological activity. These chapters also look into the correlations between indices reflecting covalent bond formation and biological activity. This text further examines the charge transfer mechanisms of several drug classes. The remaining chapters are devoted to the use of molecular orbital theory in several aspects of drug research, including molecular conformation, acid-base phenomena, hydrogen bonding, and dispersion forces. This work is directed to the advanced undergraduate or graduate students in medicinal chemistry or pharmacology, as well as to the practicing scientists interested in acquiring some understanding of molecular orbital theory. Theoretical chemists seeking information on biological phenomena amenable to semiempirical molecular orbital study will find this book invaluable.


Quantum Pharmacology

Quantum Pharmacology

Author: W. G. Richards

Publisher: Elsevier

Published: 2013-10-22

Total Pages: 288

ISBN-13: 1483163679

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Quantum Pharmacology, Second Edition discusses molecular pharmacology, molecular quantum mechanics, and the applications of theory to experiment. The book reviews molecular and quantitative pharmacology, as well as acetylcholines, catecholamines, and histamines. The text also discusses the central nervous system in relation to monoamines, acetylcholines, amino acids, and peptides. The book explains wave functions and orbitals, secular equations, matrix elements, and self-consistent molecular orbitals. One way to improve wave functions as a result of a self-consistent field or as an approximate calculation, is to permit different configurations to interact. Linear mixing will lead to improved wave functions. The investigator can compute wave functions and energies of molecules for any set of nuclear coordinates. Quantum chemical calculations treat conformation as similar with geometry; calculations are performed for a series of positions in one part of a molecule relative to another. The investigator can then compare the energies found in each position. The book points out that calculations of conformational internal energy surfaces for flexible pharmacological molecules treating the molecule or ion as isolated in space fit in with observed results of crystallographic experiments. The text is suitable for pharmacologists, and scientists involved in molecular pharmacology, medicinal chemistry, and quantum chemistry.


Molecular Connectivity in Chemistry and Drug Research

Molecular Connectivity in Chemistry and Drug Research

Author: Lemont Kier

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 272

ISBN-13: 0323158315

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Medicinal Chemistry, Volume 14: Molecular Connectivity in Chemistry and Drug Research is a 10-chapter text that focuses on the molecular connectivity approach for quantitative evaluation of molecular structure of drugs. Molecular connectivity is a nonempirical derivation of numerical value that encode within them sufficient information to relate to many physicochemical and biological properties. This book outlines first the development of molecular connectivity approach, followed by considerable chapters on its application to evaluation of physicochemical properties of drugs. Other chapters explore the application of molecular connectivity to structure-activity studies in medicinal chemistry. The final chapters provide some reflections, challenges, and potential areas of investigation of molecular connectivity. Advanced undergraduate or graduate students in medicinal chemistry or pharmacology, practicing scientists, and theoretical chemists will find this book invaluable.