New Aspects In Phosphorus Chemistry Iv
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New Aspects In Phosphorus Chemistry Iv
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer
Release Date : 2014-03-12
New Aspects In Phosphorus Chemistry Iv written by Jean-Pierre Majoral and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-12 with Science categories.
with contributions by numerous experts
New Aspects In Phosphorus Chemistry Ii
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer Science & Business Media
Release Date : 2002
New Aspects In Phosphorus Chemistry Ii written by Jean-Pierre Majoral and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Biochemistry categories.
Strong non-ionic bases are highly advantageous as stoichiometric reagents and as catalysts in synthetic organic chemistry owing to side reactions that f- quently occur when ionic bases such as LDA or alkali metal alkoxides are employed. A second reason that non-ionic bases are frequently more useful in these applications is that such bases are often more soluble in less polar organic solvents, particularly at low temperatures. Thirdly, non-ionic bases can provide reactive naked or tightly associated deprotonated substrate anions that are s- bilized by the relatively large, poorly solvated cations formed by the protonated base. In such cations, extensive positive charge delocalization can occur. Prior to our work on pro-azaphosphatranes of type 1 (Scheme 1), the very strong n- ionic bases utilized for organic transformations were largely confined to the nitrogenous bases shown below (Scheme 2). Scheme 1 Scheme 2 4 J.G. Verkade 2 Uses of Strong Nonionic Nitrogen Bases 2. 1 Amines One of the earliest strong non-ionic bases to make its appearance was Proton Sponge and its derivatives [1] and these systems have been reviewed [2]. More recently Proton Sponge has been used in the palladium-catalyzed arylation of 2,3-dihydrofuran [3], and it also catalyzes Knoevenagel condensations of s- strates possessing activated methylene groups [4]. Recently the synthesis of the macrocyclic tetramine below (Scheme 3) was reported [5]. The encrypted nitrogens are very basic (pK,24.
New Aspects In Phosphorus Chemistry V
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer Science & Business Media
Release Date : 2005
New Aspects In Phosphorus Chemistry V written by Jean-Pierre Majoral and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Biochemistry categories.
Phosphorus chemistry is a diverse field and this volume focuses on new developments of "old themes" with different approaches and ideas, state of the art for two topics of general interest, and the emerging fields of research. This volume only describes in part the huge number of original papers on phosphorus-related topics.
New Aspects In Phosphorus Chemistry Iii
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer Science & Business Media
Release Date : 2003
New Aspects In Phosphorus Chemistry Iii written by Jean-Pierre Majoral and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Biochemistry categories.
New Aspects In Phosphorus Chemistry I
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Author : Jean-Pierre Majoral
language : en
Publisher:
Release Date : 2014-01-15
New Aspects In Phosphorus Chemistry I written by Jean-Pierre Majoral and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
New Aspects In Phosphorus Chemistry Ii
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer
Release Date : 2003-07-01
New Aspects In Phosphorus Chemistry Ii written by Jean-Pierre Majoral and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-07-01 with Science categories.
Annotation What makes phosphorus so attractive that virtually every chemist can profit from its properties? Applications in different fields have already been realized or are undercurrent investigation.
New Aspects In Phosphorous Chemistry
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Author :
language : en
Publisher:
Release Date : 2002
New Aspects In Phosphorous Chemistry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Chemistry categories.
New Aspects In Phosphorus Chemistry Ii
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer
Release Date : 2002-11-27
New Aspects In Phosphorus Chemistry Ii written by Jean-Pierre Majoral and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-11-27 with Science categories.
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The Chemistry Of Phosphorus
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Author : John Emsley
language : en
Publisher: HarperCollins Publishers
Release Date : 1976
The Chemistry Of Phosphorus written by John Emsley and has been published by HarperCollins Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Science categories.
Topics In Phosphate Chemistry
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Author : M-T Averbuch-Pouchot
language : en
Publisher: World Scientific
Release Date : 1996-08-23
Topics In Phosphate Chemistry written by M-T Averbuch-Pouchot and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-08-23 with Science categories.
This book aims to open new fields of interest in phosphate chemistry and to suggest a new system of classification for phosphates. Due to the very rapid development of this branch of chemistry during the last thirty years and the very confusing nomenclature often used in chemical literature, this first attempt seems not only justified but necessary. The suggested classification is not revolutionary, with respect to condensed phosphates for instance, but establishes clear boundaries between some categories of compounds such as adducts and heteropolyanion-compounds. The first chapters cover the present state of phosphate chemistry in a general way and could serve as an introduction to phosphates for some categories of students or teachers. The next few chapters are devoted to more specialized topics which would be of interest to chemists, crystallographers or solid-state specialists. Some specific aspects of the crystal chemistry of phosphates, such as the geometry of the networks built by acidic phosphoric anions, for instance, are covered for the first time. The final chapter suggests some improvements for the present system of classification for phosphates. In addition, presented for the first time are the results recently obtained for the replacement of asbestos by harmless biodegradable phosphate fibers. Contents:Elemental PhosphorusPhosphorus OxidesPhosphoric AcidsDefinition, Classification and NomenclatureThe Present State of Phosphate ChemistryThe Networks of Acidic Phosphate AnionsOn the Nomenclature and Classification of Phosphates Readership: Chemists, crystallographers and solid state scientists. keywords:Phosphorus;Phosphate Chemistry;Structural Chemistry;Condensed Anions;Phosphate Classification;Chemical Processes