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Molecular Rearrangements in Organic Synthesis, Rojas, Christian M.


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Цена: 26762.00р.
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Автор: Rojas, Christian M.
Название:  Molecular Rearrangements in Organic Synthesis
Перевод названия: Кристиан Рохас: Перестановка молекул в органическом синтезе
ISBN: 9781118347966
Издательство: Wiley
Классификация:
ISBN-10: 111834796X
Обложка/Формат: Hardback
Страницы: 776
Вес: 1.19 кг.
Дата издания: 04.12.2015
Серия: Chemistry
Язык: English
Иллюстрации: Illustrations
Размер: 239 x 168 x 45
Читательская аудитория: Professional & vocational
Ключевые слова: Chemistry
Ссылка на Издательство: Link
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Поставляется из: Англии
Описание: Designed for practitioners of organic synthesis, this book helps chemists understand and take advantage of rearrangement reactions to enhance the synthesis of useful chemical compounds. The book discusses synthetic applications for natural products, medicinal compounds, functional materials, and physical organic chemistry.


Sulfur-Mediated Rearrangements I

Автор: Ernst Schaumann; S. Akai; S.K. Bur; V. Gevorgyan;
Название: Sulfur-Mediated Rearrangements I
ISBN: 3642087779 ISBN-13(EAN): 9783642087776
Издательство: Springer
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Цена: 48774.00 р.
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Описание: In their analysis of experiments and in their planning of syntheses, organic chemistsconsciouslyorunconsciouslytendtousetheprincipleofleastmotion, thechemicalequivalentofOccam'srazor. Inrearrangementreactionsthispr- ciple is violated and may make rearrangements problematic reactions. At the sametime, thereisalwaysfascinationintheunexpectedandsorearrangement reactionsarealsoanattractive?eldofstudy. Consequently, ourunderstanding of rearrangement reactions is now quite advanced and allows strategic uses in organic synthesis. Here, a helpful tool that may easily be overlooked is thein?uence oforganosulfurfunctionalitiesontheserearrangements. Infact, the presence of sulfur may make rearrangements predictable and productive or allow speci?c transformations which would otherwise require a tedious synthetic detour. The present account is meant to spread this knowledge. In addition, an introductory chapter gives a survey of the basics of organosulfur chemistry to put the information in the individual chapters into perspective and to help readers who are less familiar with the peculiarities of sulfur in an organicenvironment. Theamountofmaterialrequiringcoveragewassovastthatthevolumehadto besplitintotwoparts. Wehopethatreaderswillappreciatethecomprehensive and up-to-date information on sulfur-mediated rearrangements. Fortunately, leading experts were available to write the individual chapters and provide state-of-the-artreviews ofthecurrent researchonsulfur-mediated rearran- ments. It was a pleasure to work with these colleagues and I appreciate their involvement in spite of many other obligations. This volume should help the chemical community in their synthetic workand so it was worththe effort. Clausthal-Zellerfeld, October 2006 Ernst Schaumann Contents SulfurisMoreThantheFatBrotherofOxygen. AnOverviewofOrganosulfurChemistry E. Schaumann. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 RecentAdvancesinPummererReactions S. Akai-Y. Kita . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1,2-SulfurMigrations A. W. Sromek-V. Gevorgyan. . . . . . . . . . . . . . . . . . . . . . . . 77 1,3-SulfurShifts: MechanismandSyntheticUtility S. K. Bur. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 AuthorIndexVolumes251-274. . . . . . . . . . . . . . . . . . . . . . 173 Subject Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 ContentsofVolume275 Sulfur-MediatedRearrangementsII Volume Editor: Ernst Schaumann ISBN: 978-3-540-68099-4 2,3]-Sigmatropic RearrangementsofAllylic Sulfur Compounds M. Reggelin 2,3]Sigmatropic RearrangementsofPropargylic andAllenicSystems S. Braverman -M.

Domino and Intramolecular Rearrangement Reactions as Advance

Автор: Witczak Zbigniew J
Название: Domino and Intramolecular Rearrangement Reactions as Advance
ISBN: 1119044200 ISBN-13(EAN): 9781119044208
Издательство: Wiley
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Цена: 24069.00 р.
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Описание: The book consists of a brief introduction, a foreward provided by professor Danishefsky of Columbia University, and about 14 - 16 chapters, each written by one or two eminent scholars/authors describing their recent research in the area of either domino reactions or intramolecular rearrangements in carbohydrate chemistry. Three or
four chapters will be reviews. The domino (cascade, tandem) reactions are always intramolecular. They are usually very fast, clean and offer highly complex structures in a one pot process. Intramolecular rearrangements offer very similar advantages and often lead to highly complex products as well. Although many recently isolated carbohydrates fulfill various sophisticated functions, their structures are often very complex. The editors cover the broadest scope of novel methodologies possible. All the synthetic and application aspects of domino/cascade reactions are explored in this book. A second theme that will be covered is intramolecular rearrangement, which is also fast, stereoselective, and often constitutes one or more steps of domino /cascade process. Selected examples of intramolecular rearrangements are presented. Together, both processes offer an elegant and
convenient approach to the synthesis of many complex molecules, which are normally difficult to synthesize via alternative routes. It appears that domino and intramolecular rearrangements are ideally suited to synthesize certain specific modified monosaccharides. What is particularly important is that both processes are intermolecular and almost always yield products with very well-defined stereochemistry. This high definition is absolutely crucial when synthesizing advanced, modified mono and oligosaccharides. The choice of contributors reflects an emphasis
on both therapeutic and pharmacological aspects of carbohydrate chemistry.


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