Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds PDF Download
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Author: Shinsuke Inuki
Publisher: Springer Science & Business Media
ISBN: 4431540431
Category : Science
Languages : en
Pages : 115
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Book Description
The author has developed novel methodologies for highly efficient construction of functionalized heterocycles by palladium-catalyzed domino/cascade cyclization of allenes and related compounds containing appropriate nucleophilic group(s). Based on these methodologies, enantioselective total syntheses of bioactive natural products, pachastrissamine (26% overall yield in seven steps), lysergic acid (4.0% overall yield in fifteen steps), lysergol (3.6% overall yield in fifteen steps) and isolysergol (8.2% overall yield in eleven steps) have been achieved. These are more facile synthetic route than those previously reported. These findings would contribute to the development of efficient synthetic methods for biologically active compounds containing a complex structure.
Author: Shinsuke Inuki
Publisher: Springer Science & Business Media
ISBN: 4431540431
Category : Science
Languages : en
Pages : 115
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Book Description
The author has developed novel methodologies for highly efficient construction of functionalized heterocycles by palladium-catalyzed domino/cascade cyclization of allenes and related compounds containing appropriate nucleophilic group(s). Based on these methodologies, enantioselective total syntheses of bioactive natural products, pachastrissamine (26% overall yield in seven steps), lysergic acid (4.0% overall yield in fifteen steps), lysergol (3.6% overall yield in fifteen steps) and isolysergol (8.2% overall yield in eleven steps) have been achieved. These are more facile synthetic route than those previously reported. These findings would contribute to the development of efficient synthetic methods for biologically active compounds containing a complex structure.
Author: John ApSimon
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages : 552
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Book Description
Author: Lara Schwartz Kallander
Publisher:
ISBN:
Category :
Languages : en
Pages : 508
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Book Description
Author: Jie Jack Li
Publisher: Springer Science & Business Media
ISBN: 3642340652
Category : Science
Languages : en
Pages : 292
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Book Description
'Total Synthesis of Natural Products' is written and edited by some of today's leaders in organic chemistry. Eleven chapters cover a range of natural products, from steroids to alkaloids. Each chapter contains an introduction to the natural product in question, descriptions of its biological and pharmacological properties and outlines of total synthesis procedures already carried out. Particular emphasis is placed on novel methodologies developed by the respective authors and their research groups. This text is ideal for graduate and advanced undergraduate students, as well as organic chemists in academia and industry.
Author: Xiao-Yu Sun
Publisher: Springer Science & Business Media
ISBN: 3642271952
Category : Science
Languages : en
Pages : 222
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Book Description
In his thesis, Xiaoyu Sun conducts the first total synthesis of all possible stereoisomers of plakortide E and also confirms the absolute configuration of natural plakortide E. Xiaoyu Sun subsequently converts Plakortide E methyl ester to plakortone B in a biomimetic conversion. Construction and functionalization of cyclic peroxides are notoriously difficult due to the very low O-O bond dissociation energy. Plaktoride E is isolated from the Jamaican marine sponge platorits halichondrioides and contains a five-membered peroxide ring, with oxygen atoms linked to tertiary C4 and C6 centers. The methodology used for synthesizing highly substituted cyclic peroxides is novel and useful, and not only extends the field of Pd-catalyzed reactions, but also provides a convenient synthetic approach for the preparation of the 1,2-dioxolanes series. Plakortide E and plakortone B are bioactive, which means that the synthetic studies on them and their analogs are pivotal in drug discovery.
Author: John ApSimon
Publisher: John Wiley & Sons
ISBN: 0470129581
Category : Science
Languages : en
Pages : 483
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Book Description
The appearance of the seventh volume of The Total Synthesis of Natural Products signals the continued health of the art and science of organic synthesis. This new volume contains a chapter updating monoterpene synthesis and reviews the newer areas of leukotrienes and macro-cyclic lactones. The Total Synthesis of Natural Products, Volume Seven forms an integral part of the invaluable working reference begun in Volumes One through Six, to which chemists may turn for the available data on the total synthesis of complex molecules. Lessons learned from the synthetic challenges presented here by various natural products will serve as a sound base for this continually evolving field.
Author: John ApSimon
Publisher: John Wiley & Sons
ISBN: 9780471023920
Category : Science
Languages : en
Pages : 0
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Book Description
Each volume reviews the total synthesis of a set of compounds looking at syntheses reported historically and at the practice current at the time of publication. From volume 1 focusing on carbohydrates, prostagladins, nucleic acids, antibiotics, naturally occurring oxygen ring compounds and pyrrole pigments, the series continues with coverage of aromatic steroids, monoterpenes, triterpenes, sesquiterpenes, cannabinoids, natural inophores, insect pheromones and alkaloids. Volumes revisit the total synthesis of key compounds such as carbohydrates, nucleic acids and pyrrole pigments several times during the series building a picture of the historic development of total synthesis techniques for these major groups. Chapters are edited by experts in their field to give a complete overview of the best in the field at the time.
Author: Michael J. Krische
Publisher:
ISBN:
Category :
Languages : en
Pages : 674
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Book Description
Author: Pei-Qiang Huang
Publisher: John Wiley & Sons
ISBN: 1118605403
Category : Science
Languages : en
Pages : 512
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Book Description
Uniting the key organic topics of total synthesis and efficient synthetic methodologies, this book clearly overviews synthetic strategies and tactics applied in total synthesis, demonstrating how the total synthesis of natural products enables scientific and drug discovery. • Focuses on efficiency, a fundamental and important issue in natural products synthesis that makes natural product synthesis a powerful tool in biological and pharmaceutical science • Describes new methods like organocatalysis, multicomponent and cascade reactions, and biomimetic synthesis • Appeals to graduate students with two sections at the end of each chapter illustrating key reactions, strategies, tactics, and concepts; and good but unfinished total synthesis (synthesis of core structure) before the last section • Compiles examples of solid phase synthesis and continuing flow chemistry-based total synthesis which are very relevant and attractive to industry R&D professionals
Author: Weiping Tang
Publisher:
ISBN:
Category :
Languages : en
Pages : 496
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Book Description
