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Author : Michael John Bevis
Publisher :
ISBN 13 :
Total Pages : 163 pages
Book Rating : 4.:/5 (911 download)
Download or read book Synthetic Approaches to Certain Isoquinoline Alkaloids written by Michael John Bevis and published by . This book was released on 1964 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.D. Phillipson
Publisher : Springer Science & Business Media
ISBN 13 : 3642701280
Total Pages : 315 pages
Book Rating : 4.6/5 (427 download)
Download or read book The Chemistry and Biology of Isoquinoline Alkaloids written by J.D. Phillipson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Isoquinolines form one of the largest groups of plant alkaloids and they in clude a number of valuable clinical agents such as codeine, morphine, eme tine and tubocurarine. Research into different aspects of isoquinolines con tinues in profusion, attracting the talents of botanists, chemists, bioche mists, analysts, pharmacists and pharmacologists. Many of these aspects are of an interdisciplinary nature, and in April 1984, The Phytochemical Society of Europe arranged a 3-day symposium on The Chemistry and Bi ology of Isoquinoline Alkaloids in order to provide a forum for scientists of differing disciplines who are united by a common interest in this one class of natural product. Each chapter in this volume is based on a lecture given at this symposium. Attempts have been made to make the aims and objectives, experimental findings and conclusions reached, intelligible to scientists of differing backgrounds. The introductory chapter, which is mainly based on a historical discus sion, stresses that plants containing isoquinolines have proved to be both a boon and a curse to mankind. The Opium Poppy, Papaver somniferum, produces the medicinally used alkaloids morphine, codeine, noscapine and papaverine whilst it also continues to provide drugs of abuse, particularly morphine and its readily prepared O,O-diacetyl derivative, heroin. Numer ous other alkaloids have been isolated from other members of the Papaver acea, and a knowledge of their presence and distribution within the various species has proved a useful adjunct to systematic botanical studies.
Author : Zhiguo Bian
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (636 download)
Download or read book Synthetic Approaches to the Skeleton of Crinine-type Alkaloids from Isoquinoline and the Total Synthesis of (")-crinine written by Zhiguo Bian and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The crinine-type alkaloids, which have the 5,10b-ethanophenanthridine skeleton as the core structure, represent an important sub-class of the family of Amaryllidaceae alkaloids. Considering the obvious structural relationship between the crinine-type alkaloids and the isoquinoline nucleus, a synthetic strategy involving the construction of the crinane skeleton from isoquinoline would be a logical approach. In order to realize this goal, a novel methodology to prepare 4,4-disubstituted 1,4-dihydroisoquinolines through boron-activated enamine chemistry has been developed in our lab. This method provides not only a quaternary carbon center at C-4 but also an imine group that can be further functionalized. A systemic investigation of the reductive alkylation of isoquinoline using boron-activated enamine chemistry was performed in order to examine the scope of this methodology for preparing 4,4-disubstituted isoquinoline derivatives. Various functional groups including simple alkyls, allyl, protected alcohols, protected aldehydes, and esters were successfully introduced at C-4 of the 1,4-dihydroisoquinoline product. Additionally, several spiro compounds and imines with two different substituents at C-4 were also synthesized. Based on this method, (")-crinine was efficiently prepared in 9 steps in 14.4% overall yield for the first time from 6,7-methylenedioxyisoquinoline using an AB-->D-->C sequence. This method was then applied to build the skeletons of delagoenine and delagoensine - two very unusual alkaloids possessing a hemiaminal function in the D-ring.
Author : Maurice Shamma
Publisher : Elsevier
ISBN 13 : 0323144500
Total Pages : 615 pages
Book Rating : 4.3/5 (231 download)
Download or read book The Isoquinoline Alkaloids Chemistry and Pharmacology written by Maurice Shamma and published by Elsevier. This book was released on 2012-12-02 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Isoquinoline Alkaloids: Chemistry and Pharmacology presents an overview of the chemistry, biogenesis, spectroscopy, and pharmacology of the isoquinoline alkaloids. This book examines the significant and interesting aspects of alkaloids. Organized into 32 chapters, this book starts with a discussion of the biogenesis of the isoquinolines and the various pharmacological effects of simple tetrahydroisoquinolines that have stimulant and convulsive properties. This text then explores the infrared absorptions, with emphasis on wavelength and frequency. Other chapters include topics on synthesis, degradation, reactions, absolute configuration, as well as on ultraviolet and nuclear magnetic resonance spectroscopy. This book further explores the various methods available for the preparation of simple tetrahydroisoquinolines, including the Bischler–Napieralski, Pictet–Spengler, and phenolic cyclization, as well as the Friedel–Crafts acylation. The last chapter deals with ancistrocladine, which is the first isoquinoline alkaloid found to possess a methyl group. Biochemists and biophysicists will find this book useful.
Author :
Publisher :
ISBN 13 :
Total Pages : 175 pages
Book Rating : 4.:/5 (911 download)
Download or read book Synthetic Studies Relating to Certain Isoquinoline Alkaloids written by and published by . This book was released on 1962 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yi Zhang
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.:/5 (568 download)
Download or read book Synthetic Approaches Towards the Skeleton of the Crinine-type Amaryllidaceae Alkaloids from Isoquinoline and Total Synthesis of (±)-elwesine written by Yi Zhang and published by . This book was released on 2004 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. W. Bentley
Publisher : Elsevier
ISBN 13 : 1483152235
Total Pages : 273 pages
Book Rating : 4.4/5 (831 download)
Download or read book The Isoquinoline Alkaloids written by K. W. Bentley and published by Elsevier. This book was released on 2014-04-24 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Isoquinoline Alkaloids: A Course in Organic Chemistry is a description of the chemical structures of alkaloids. The book discusses the processes for degradation of isoquinoline alkaloids to recognizable compounds such as oxidation and exhaustive methylation. The associated processes in removing the nitrogen atom are also explained. The commonly used Hofmann process and the interpretation of its result are evaluated in the degradation of alkaloids. The cactus ""pellote"" used by Mexican Indians to induce hallucinatory experiences is examined. The active ingredient is identified as mescaline; its composition is analyzed to contain one primary amino and three methoxyl groups. The different syntheses made to duplicate mescaline are described. The structures of morphine, codeine, and thebain, which are all alkaloids of opium, are also analyzed. Another example of a principal alkaloid found in a plant is emetine found in the root of the ipecac. The pharmacological bases of emetine are isolated and noted as emetamine, cephaeline, psychotrine, and O-methylpsychotrine. The text also traces many other structural relationships within the subgroups of the isoquinoline alkaloids. Chemists, students and professors in organic chemistry, and laboratory technicians whose work is related to pharmacology will find this book informative.
Author : Gregory C. Lindabery
Publisher :
ISBN 13 :
Total Pages : 498 pages
Book Rating : 4.:/5 (418 download)
Download or read book Novel Synthetic Approaches to the 5,10b-ethano-phenanthridine Nucleus of the Crinine-type Amaryllidaceae Alkaloids from Isoquinoline written by Gregory C. Lindabery and published by . This book was released on 1999 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Edward Deline
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.:/5 (39 download)
Download or read book Synthetic Approaches to 1-benzylisoquinoline Alkaloids written by James Edward Deline and published by . This book was released on 1989 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : DOUGLAS JOHN RABER
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (682 download)
Download or read book A BIOGENETIC APPROACH TO THE SYNTHESIS OF ISOQUINOLINE ALKALOIDS. written by DOUGLAS JOHN RABER and published by . This book was released on 1968 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Warren
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)
Download or read book Synthesis and Sterochemistry of Some Isoquinoline Alkaloids and Related Compounds written by P. Warren and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen Charles Havlicek
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (181 download)
Download or read book Synthetic Approaches to Aporphine Alkaloids written by Stephen Charles Havlicek and published by . This book was released on 1967 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eugene Kyle Stephenson
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (314 download)
Download or read book New Synthetic Approach to the Tropoloisoquinoline Alkaloids written by Eugene Kyle Stephenson and published by . This book was released on 1993 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rack Hun Chung
Publisher :
ISBN 13 :
Total Pages : 294 pages
Book Rating : 4.:/5 (418 download)
Download or read book Synthetic Approaches to the Alkaloids of the Strychnos Family written by Rack Hun Chung and published by . This book was released on 1972 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Andrew Reath Bennett
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (597 download)
Download or read book Synthetic Approaches to the Alkaloid Himbacine written by Peter Andrew Reath Bennett and published by . This book was released on 1988 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven Jeffrey Miller
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (836 download)
Download or read book I, Synthetic Approaches to the Pavine Alkaloids. II, Synthetic Approaches to Lycorine written by Steven Jeffrey Miller and published by . This book was released on 1981 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans-Joachim Knoelker
Publisher : Springer Science & Business Media
ISBN 13 : 3642255280
Total Pages : 268 pages
Book Rating : 4.6/5 (422 download)
Download or read book Alkaloid Synthesis written by Hans-Joachim Knoelker and published by Springer Science & Business Media. This book was released on 2012-01-13 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lycopodium Alkaloids: Isolation and Asymmetric Synthesis, by Mariko Kitajima and Hiromitsu Takayama.- Synthesis of Morphine Alkaloids and Derivatives, by Uwe Rinner and Tomas Hudlicky.- Indole Prenylation in Alkaloid Synthesis, by Thomas Lindel, Nils Marsch and Santosh Kumar Adla.- Marine Pyrroloiminoquinone Alkaloids, by Yasuyuki Kita and Hiromichi Fujioka.- Synthetic Studies on Amaryllidaceae and Other Terrestrially Derived Alkaloids, by Martin G. Banwell, Nadia Yuqian Gao, Brett D. Schwartz and Lorenzo V. White.- Synthesis of Pyrrole and Carbazole Alkaloids, by Ingmar Bauer and Hans-Joachim Knölker.-
