Sulfur Mediated Rearrangements I

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Sulfur-Mediated Rearrangements I

Author : E. Schaumann
Publisher : Springer Science & Business Media
ISBN 13 : 3540680977
Total Pages : 195 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Sulfur-Mediated Rearrangements I by : E. Schaumann

Download or read book Sulfur-Mediated Rearrangements I written by E. Schaumann and published by Springer Science & Business Media. This book was released on 2007-02-15 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Sulfur-Mediated Rearrangements II

Author : Ernst Schaumann
Publisher : Springer
ISBN 13 : 3540681000
Total Pages : 271 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Sulfur-Mediated Rearrangements II by : Ernst Schaumann

Download or read book Sulfur-Mediated Rearrangements II written by Ernst Schaumann and published by Springer. This book was released on 2007-02-20 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by numerous experts

Sulfur-Mediated Rearrangements I

Author : Ernst Schaumann
Publisher : Springer
ISBN 13 : 9783540680970
Total Pages : 185 pages
Book Rating : 4.6/5 (89 download)

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Book Synopsis Sulfur-Mediated Rearrangements I by : Ernst Schaumann

Download or read book Sulfur-Mediated Rearrangements I written by Ernst Schaumann and published by Springer. This book was released on 2007-02-15 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sulfur-mediated Rearrangements

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (128 download)

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Download or read book Sulfur-mediated Rearrangements written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Green Oxidation in Organic Synthesis

Author : Ning Jiao
Publisher : John Wiley & Sons
ISBN 13 : 1119304490
Total Pages : 535 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis Green Oxidation in Organic Synthesis by : Ning Jiao

Download or read book Green Oxidation in Organic Synthesis written by Ning Jiao and published by John Wiley & Sons. This book was released on 2019-07-12 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: A valuable introduction to green oxidation for organic chemists interested in discovering new strategies and new reactions for oxidative synthesis Green Oxidation in Organic Synthesis provides a comprehensive introduction and overview of chemical preparation by green oxidative processes, an entry point to the growing journal literature on green oxidation in organic synthesis. It discusses both experimental and theoretical approaches for the study of new catalysts and methods for catalytic oxidation and selective oxidation. The book highlights the discovery of new reactions and catalysts in recent years, discussing mechanistic insights into the green oxidative processes, as well as applications in organic synthesis with significant potential to have a major impact in academia and industry. Chapters are organized according to the functional groups generated in the reactions, presenting interesting achievements for functional group formation by green oxidative processes with O2, H2O2, photocatalytic oxidation, electrochemical oxidation, and enzymatic oxidation. The mechanisms of these novel transformations clearly illustrated. Green Oxidation in Organic Synthesis will serve as an excellent reference for organic chemists interested in discovering new strategies for oxidative synthesis which address the priorities of green and sustainable chemistry.

Advances in Organometallic Chemistry

Author :
Publisher : Academic Press
ISBN 13 : 0128155116
Total Pages : 340 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Advances in Organometallic Chemistry by :

Download or read book Advances in Organometallic Chemistry written by and published by Academic Press. This book was released on 2018-05-21 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Organometallic Chemistry, Volume 69, contains authoritative review articles of world renowned researchers in the field of organometallic chemistry. This longstanding serial is known for its comprehensive coverage of topics in organometallic synthesis, reactions, mechanisms, homogeneous catalysis, and more, with this release focusing on topics such as C-H Activation Mediated by Main Group Inorganic and Organometallic Compounds, Transition-metals catalyzed intramolecular amination and hydroamination reactions of allenes, Green Fluorescent Protein-like and related organometallic fluorophores, Recent advances in the synthesis of C- S- bonds via metal-catalyzed functionalization of C- H- bonds, Current mechanistic understanding of Co-catalyzed C-H functionalization, and more. The book is ideal for a wide range of researchers involved in organometallic chemistry, including synthetic protocols, mechanistic studies and practical applications. - Contains contributions from leading authorities in the field of organometallic chemistry - Covers topics in organometallic synthesis, reactions, mechanisms, homogeneous catalysis, and more - Informs and updates readers on the latest developments in the field - Carefully edited to provide easy-to-read material

Glycopeptides and Glycoproteins

Author : Valentin Wittmann
Publisher : Springer
ISBN 13 : 3540367616
Total Pages : 271 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Glycopeptides and Glycoproteins by : Valentin Wittmann

Download or read book Glycopeptides and Glycoproteins written by Valentin Wittmann and published by Springer. This book was released on 2007-01-30 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by numerous experts

Creative Chemical Sensor Systems

Author : Thomas Schrader
Publisher : Springer
ISBN 13 : 3540715479
Total Pages : 314 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Creative Chemical Sensor Systems by : Thomas Schrader

Download or read book Creative Chemical Sensor Systems written by Thomas Schrader and published by Springer. This book was released on 2007-05-09 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by numerous experts

In Situ NMR Methods in Catalysis

Author : Joachim Bargon
Publisher : Springer Science & Business Media
ISBN 13 : 354071426X
Total Pages : 179 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis In Situ NMR Methods in Catalysis by : Joachim Bargon

Download or read book In Situ NMR Methods in Catalysis written by Joachim Bargon and published by Springer Science & Business Media. This book was released on 2007-05-15 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Achemist,facedwiththeproblemofdeterminingthemechanismofachemical reaction, tries to identify a set of reactions that will account for the observed behavior:Ideally,asmallsetofknownreactionsshoulddescribeingreatdetail exactly what takes place at each stage of a chemical transformation. The fact that many reactions proceed in a stepwise fashion can most convincingly be demonstrated if intermediate species can be isolated and shown to proceed to the same products under otherwise identical reaction conditions. An - termediate is the reaction product of each of these steps, except for the last onethatformsthe?nalproduct. Someintermediatesarestablecompoundsin theirownright;someothers,however,aresoreactivethattheirisolationisnot possible. Occasionally, evidence for the existence of short-lived intermediates may be obtained, in particular by spectroscopic observation. The latter may - low a direct observation or an indirect inference from unusual phenomena occurring in the reaction products during in situ investigations of their c- responding chemical reactions. In NMR spectroscopy, for example, transient emissionandenhanced absorptionlinesmaybeobserved, andoneisinclined to believe that there is a universal and unambiguous reason for their appe- ance. Thisisnotnecessarilythecase,however,sincethisseeminglyidentical phenomenon may have a strikingly different origin: During free radical re- tions,aphenomenoncalledchemicallyinduced dynamicnuclear polarization (CIDNP) may give rise to virtually the same effect as occasionally observed duringhomogeneous(andpossiblyevenheterogeneous)hydrogenations:The latter phenomenon, called parahydrogen-induced polarization (PHIP), has a completely different physical basis. It was ?rst noticed twenty years later than CIDNP and occurs if there is an imbalance of the two spin isomers of symmetric molecules such as dihydrogen when hydrogenating unsaturated compoundsusingappropriatecatalysts. Thesetwoeffects,ifnotdifferentiated properly, can cause misinterpretations of reaction mechanisms, as occurred initially when their different origins had not yet been understood approp- ately.

Glycoscience and Microbial Adhesion

Author : Thisbe K. Lindhorst
Publisher : Springer Science & Business Media
ISBN 13 : 3642013031
Total Pages : 194 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Glycoscience and Microbial Adhesion by : Thisbe K. Lindhorst

Download or read book Glycoscience and Microbial Adhesion written by Thisbe K. Lindhorst and published by Springer Science & Business Media. This book was released on 2009-06-23 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: bacterial carbohydrate recognition are conveyed, covering Gram-positive as well as Gram-negative bacteria, in Chapter 4 Streptococci and Staphylococci, and in Chapter 5, carbohydrate binding specificities of Helicobacter pylori. In Chapter 6, "Bitter sweetness of complexity," the collected reflections on mic- bial adhesion are expanded by a perspective on a broader impact of glycosylation on cellular adhesion, motility and regulatory processes, paralleling the complexity of N-glycan structures on cell surfaces. It highlights particularly how structural details of N-glycans have been causally related to pathological scenarios, with a focus on ?(1,6)-N-acetylglucosaminyltransferase. In the final chapter, biofilm formation is reviewed, covering knowledge about structure and biosynthesis of polysaccharide intercellular adhesins (PIAs) which are central to biofilm formation. This comprehensive chapter explains all PIA-related principles of medical device-associated infections. It is our hope, that this collection of expert articles, ranging from structural ch- istry and structural biology to biochemistry and medicine, will be a stimulation and motivation for our colleagues in the life sciences. At the same time, we hope that these reflections on microbial adhesion will awake interest in and promote und- standing of the complex processes associated with the glycocalyx and the multif- eted interactions between the host cell and its "guest," as well as the biological consequences resulting from this mutual interplay.

Metal Catalyzed Reductive C-C Bond Formation

Author : Michael J. Krische
Publisher : Springer Science & Business Media
ISBN 13 : 3540728783
Total Pages : 272 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Metal Catalyzed Reductive C-C Bond Formation by : Michael J. Krische

Download or read book Metal Catalyzed Reductive C-C Bond Formation written by Michael J. Krische and published by Springer Science & Business Media. This book was released on 2007-07-20 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: TheprototypicalcatalyticreductiveC-Cbondformations,theFischer-Tropsch reaction [1] and alkene hydroformylation [2], were discovered in 1922 and 1938, respectively [3,4]. These processes, which involve reductive coupling to carbon monoxide, have long been applied to the industrial manufacture of commodity chemicals [5]. Notably, alkene hydroformylation, also known as the oxo-synthesis, has emerged as the largest volume application of homo- neous metal catalysis, accounting for the production of over 7 million metric tons of aldehyde annually. Despite the impact of these prototypical reductive C-C bond formations, this ?eld of research lay fallow for several decades. Eventually, the increased availability of mild terminal reductants, in part- ular silanes, led to a renaissance in the area of catalytic reductive C-C bond formation.Forexample,the'rstcatalyticreductiveC-Ccouplingsbeyond- droformylation, which involve the hydrosilylative dimerization of conjugated dienes [6-12], appeared in 1969 - approximately 16 years after the ?rst - ported metal-catalyzed alkene hydrosilylation [13]. Following these seminal studies, the ?eld of catalytic reductive C-C bond formation underwent exp- sivegrowth,culminatingintheemergenceofanevergrowingbodyofresearch encompassing a powerful set of transformations. To our knowledge, no thematic volumes devoted solely to metal-catalyzed reductive C-C bond formationhave been assembled. For the ?rst time, in this issue of Topics in Current Chemistry,wepresent acompilation ofmonographs from several leaders in this burgeoning area of research. This collection of reviews serves to capture the diversity of catalytic reductive C-C couplings presently available and, in turn, the remarkable range of reactivity embodied by such transformations. There is no indication that this ?eld has reached its zenithanditisthehopeofthepresentauthorthatthisvolumewillfuelfurther progress.

Templates in Chemistry III

Author : Peter Broekmann
Publisher : Springer
ISBN 13 : 3540896929
Total Pages : 269 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Templates in Chemistry III by : Peter Broekmann

Download or read book Templates in Chemistry III written by Peter Broekmann and published by Springer. This book was released on 2009-11-06 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1 intends to shed light on a selection of aspects of "template chemistry" by combining chapters from areas as different as templated solid state synthesis, metal-mediated self assembly processes, organometallic synthesis, the formation of mechanically interlocked molecules, and, last but not least, the production of inorganic materials based on organic templates such as gels. Volume 2 provides an even broader overview of and deeper insight into the template topic adding new aspects and new views.

Amplification of Chirality

Author : Kenso Soai
Publisher : Springer Science & Business Media
ISBN 13 : 3540778691
Total Pages : 211 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Amplification of Chirality by : Kenso Soai

Download or read book Amplification of Chirality written by Kenso Soai and published by Springer Science & Business Media. This book was released on 2009-11-04 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amplification of Chirality presents critical reviews of the present position and future trends in modern chemical research. The book contains short and concise reports on chemistry. Each is written by the world renowned experts. Still valid and useful after 5 or 10 years, more information as well as the electronic version of the whole content available at: springerlink.com.

Tubulin-Binding Agents

Author : Teresa Carlomagno
Publisher : Springer Science & Business Media
ISBN 13 : 3540690360
Total Pages : 339 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Tubulin-Binding Agents by : Teresa Carlomagno

Download or read book Tubulin-Binding Agents written by Teresa Carlomagno and published by Springer Science & Business Media. This book was released on 2009-06-26 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series presents critical reviews of the present position and future trends in modern chemical research. It contains short and concise reports on chemistry, each written by the world renowned experts.

Orbitals in Chemistry

Author : Satoshi Inagaki
Publisher : Springer Science & Business Media
ISBN 13 : 3642017509
Total Pages : 328 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Orbitals in Chemistry by : Satoshi Inagaki

Download or read book Orbitals in Chemistry written by Satoshi Inagaki and published by Springer Science & Business Media. This book was released on 2009-12-16 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: See Table of Contents (PMP)

Anthracycline Chemistry and Biology II

Author : Karsten Krohn
Publisher : Springer
ISBN 13 : 3540758135
Total Pages : 231 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Anthracycline Chemistry and Biology II by : Karsten Krohn

Download or read book Anthracycline Chemistry and Biology II written by Karsten Krohn and published by Springer. This book was released on 2009-11-04 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series presents critical reviews of the present position and future trends in modern chemical research. It contains short and concise reports on chemistry, each written by the world renowned experts. The series is still valid and useful after five or ten years. More information as well as the electronic version of the whole content is available at: springerlink.com.

Photochemistry and Photophysics of Coordination Compounds II

Author : Vincenzo Balzani
Publisher : Springer
ISBN 13 : 3540733493
Total Pages : 336 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Photochemistry and Photophysics of Coordination Compounds II by : Vincenzo Balzani

Download or read book Photochemistry and Photophysics of Coordination Compounds II written by Vincenzo Balzani and published by Springer. This book was released on 2007-08-07 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochemistry (a term that broadly speaking includes photophysics) is abranchofmodernsciencethatdealswiththeinteractionoflightwithmatter and lies at the crossroadsof chemistry, physics, and biology. However, before being a branch of modern science, photochemistry was (and still is today), an extremely important natural phenomenon. When God said: “Let there be light”, photochemistry began to operate, helping God to create the world as wenowknowit.Itislikelythatphotochemistrywasthesparkfortheoriginof life on Earth and played a fundamental role in the evolution of life. Through the photosynthetic process that takes place in green plants, photochemistry is responsible for the maintenance of all living organisms. In the geological past photochemistry caused the accumulation of the deposits of coal, oil, and naturalgasthat wenowuseasfuels.Photochemistryisinvolved inthecontrol ofozoneinthestratosphereandinagreatnumber ofenvironmentalprocesses thatoccurintheatmosphere,inthesea,andonthesoil.Photochemistryisthe essenceoftheprocessofvisionandcausesavarietyofbehavioralresponsesin living organisms. Photochemistry as a science is quite young; we only need to go back less than one century to ?nd its early pioneer [1]. The concept of coordination compound is also relatively young; it was established in 1892, when Alfred Werner conceived his theory of metal complexes [2]. Since then, the terms coordination compound and metal complex have been used as synonyms, even if in the last 30 years, coordination chemistry has extended its scope to the binding ofall kinds of substrates [3, 4].