Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B

Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B PDF Author: Xiao-Yu Sun
Publisher: Springer Science & Business Media
ISBN: 3642271952
Category : Science
Languages : en
Pages : 232

Get Book

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.

Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B

Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B PDF Author: Xiao-Yu Sun
Publisher: Springer Science & Business Media
ISBN: 3642271952
Category : Science
Languages : en
Pages : 232

Get Book

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.

Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B

Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B PDF Author: Xiao-Yu Sun
Publisher: Springer Science & Business Media
ISBN: 3642271944
Category : Science
Languages : en
Pages : 232

Get Book

Book Description
This thesis presents the first total synthesis of all possible stereoisomers of plakortide E and also confirms the absolute configuration of natural plakortide E. It also details a biomimetic method for converting Plakortide E methyl ester to plakortone B.

Robotics—Advances in Research and Application: 2012 Edition

Robotics—Advances in Research and Application: 2012 Edition PDF Author:
Publisher: ScholarlyEditions
ISBN: 1464992142
Category : Technology & Engineering
Languages : en
Pages : 582

Get Book

Book Description
Robotics—Advances in Research and Application: 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Robotics. The editors have built Robotics—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Robotics in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Robotics—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Strategies and Solutions to Advanced Organic Reaction Mechanisms

Strategies and Solutions to Advanced Organic Reaction Mechanisms PDF Author: Andrei Hent
Publisher: Academic Press
ISBN: 0128128232
Category : Science
Languages : en
Pages : 884

Get Book

Book Description
Strategies and Solutions to Advanced Organic Reaction Mechanisms: A New Perspective on McKillop's Problems builds upon Alexander (Sandy) McKillop's popular text, Solutions to McKillop's Advanced Problems in Organic Reaction Mechanisms, providing a unified methodological approach to dealing with problems of organic reaction mechanism. This unique book outlines the logic, experimental insight and problem-solving strategy approaches available when dealing with problems of organic reaction mechanism. These valuable methods emphasize a structured and widely applicable approach relevant for both students and experts in the field. By using the methods described, advanced students and researchers alike will be able to tackle problems in organic reaction mechanism, from the simple and straight forward to the advanced. Provides strategic methods for solving advanced mechanistic problems and applies those techniques to the 300 original problems in the first publication Replaces reliance on memorization with the understanding brought by pattern recognition to new problems Supplements worked examples with synthesis strategy, green metrics analysis and novel research, where available, to help advanced students and researchers in choosing their next research project

Marine Compounds and Cancer

Marine Compounds and Cancer PDF Author: Friedemann Honecker
Publisher: MDPI
ISBN: 3038427659
Category : Electronic books
Languages : en
Pages : 119

Get Book

Book Description
This book is a printed edition of the Special Issue "Marine Compounds and Cancer" that was published in Marine Drugs

Strategies and Solutions to Advanced Organic Reaction Mechanisms

Strategies and Solutions to Advanced Organic Reaction Mechanisms PDF Author: Andrei Hent
Publisher: Academic Press
ISBN: 0128128704
Category : Science
Languages : en
Pages : 884

Get Book

Book Description
Strategies and Solutions to Advanced Organic Reaction Mechanisms: A New Perspective on McKillop's Problems builds upon Alexander (Sandy) McKillop’s popular text, Solutions to McKillop’s Advanced Problems in Organic Reaction Mechanisms, providing a unified methodological approach to dealing with problems of organic reaction mechanism. This unique book outlines the logic, experimental insight and problem-solving strategy approaches available when dealing with problems of organic reaction mechanism. These valuable methods emphasize a structured and widely applicable approach relevant for both students and experts in the field. By using the methods described, advanced students and researchers alike will be able to tackle problems in organic reaction mechanism, from the simple and straight forward to the advanced. Provides strategic methods for solving advanced mechanistic problems and applies those techniques to the 300 original problems in the first publication Replaces reliance on memorization with the understanding brought by pattern recognition to new problems Supplements worked examples with synthesis strategy, green metrics analysis and novel research, where available, to help advanced students and researchers in choosing their next research project

Polyether Antibiotics

Polyether Antibiotics PDF Author: J. W. Westley
Publisher: CRC Press
ISBN: 9780367451929
Category :
Languages : en
Pages : 432

Get Book

Book Description
This collection of essays will stimulate the use of ionophores in different research areas. It includes information on potential breakthroughs in the halogenated derivatives of lasalocid and ethers of antibiotic A204A, polyethers and analytical techniques used to unravel their complex structures.

Transition States of Biochemical Processes

Transition States of Biochemical Processes PDF Author: R. Gandour
Publisher: Springer Science & Business Media
ISBN: 1468499785
Category : Science
Languages : en
Pages : 625

Get Book

Book Description
The transItIOn-state theory has been, from the point of its inception, the most influential principle in the development of our knowledge of reaction mechanisms in solution. It is natural that as the field of biochemical dynamics has achieved new levels of refinement its students have increasingly adopted the concepts and methods of transition-state theory. Indeed, every dynamical problem of biochemistry finds its most elegant and economical statement in the terms of this theory. Enzyme catalytic power, for example, derives from the interaction of enzyme and substrate structures in the transition state, so that an understanding of this power must grow from a knowledge of these structures and interactions. Similarly, transition-state interactions, and the way in which they change as protein structure is altered, constitute the pivotal feature upon which molecular evolution must turn. The complete, coupled dynamical system of the organism, incorporating the transport of matter and energy as well as local chemical processes, will eventually have to yield to a description of its component transition-state structures and their energetic response characteristics, even if the form of the description goes beyond present-day transition-state theory. Finally, the importance of biochemical effectors in medicine and agriculture carries the subject into the world of practical affairs, in the use of transition-state information for the construction of ultra potent biological agents.

Reagents for Organic Synthesis

Reagents for Organic Synthesis PDF Author: Louis F. Fieser
Publisher:
ISBN:
Category :
Languages : en
Pages :

Get Book

Book Description


Chemical Synthesis of Nucleoside Analogues

Chemical Synthesis of Nucleoside Analogues PDF Author: Pedro Merino
Publisher: John Wiley & Sons
ISBN: 1118498100
Category : Science
Languages : en
Pages : 859

Get Book

Book Description
Compiles current tested and proven approaches to synthesize novel nucleoside analogues Featuring contributions from leading synthetic chemists from around the world, this book brings together and describes tested and proven approaches for the chemical synthesis of common families of nucleoside analogues. Readers will learn to create new nucleoside analogues with desired therapeutic properties by using a variety of methods to chemically modify natural nucleosides, including: Changes to the heterocyclic base Modification of substituents at the sugar ring Replacement of the furanose ring by a different carbo- or heterocyclic ring Introduction of conformational restrictions Synthesis of enantiomers Preparation of hydrolitically stable C-nucleosides Chemical Synthesis of Nucleoside Analogues covers all the major classes of nucleosides, including pronucleotides, C-nucleosides, carbanucleosides, and PNA monomers which have shown great promise as starting points for the synthesis of nucleoside analogues. The book also includes experimental procedures for key reactions related to the synthesis of nucleoside analogues, providing a valuable tool for the preparation of a number of different compounds. Throughout the book, chemical schemes and figures help readers better understand the chemical structures of nucleoside analogues and the methods used to synthesize them. Extensive references serve as a gateway to the growing body of original research studies and reviews in the field. Synthetically modified nucleosides have proven their value as therapeutic drugs, in particular as antiviral and antitumor agents. However, many of these nucleoside analogues have undesirable side effects. With Chemical Synthesis of Nucleoside Analogues as their guide, researchers have a new tool for synthesizing a new generation of nucleoside analogues that can be used as therapeutic drugs with fewer unwanted side effects.