New Aspects In Phosphorus Chemistry Ii
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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 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 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 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 I
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Author : Jean-Pierre Majoral
language : en
Publisher: Springer Science & Business Media
Release Date : 2002-03-05
New Aspects In Phosphorus Chemistry I 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 2002-03-05 with Science categories.
Undoubtedly the chemistry of phosphorus appears more and more attractive in the sense that phosphorus presents an extraordinary versatile behaviour that allows the synthesis of a large number of different phosphorus reagents usable for applications in different fields, from biology to material science without f- getting key applications in catalysis. The full maturity of this topic of research can be explained by all the acquired knowledge over these twenty last years. Organic and inorganic chemistries of P, P and P species have been the s- in]V v ject of thousands of publications while the chemistry of low coordinated ph- phorus derivatives experienced its hour of glory from the 1970s to the early 1990s. In parallel, interactions between phosphorus compounds and transition metals afforded many complexes, a lot of which present fascinating properties as catalysts. The interest in all these themes really is not decreasing, indeed some fas- nating areas of research are emerging or are the subject of many investigations: the medicinal chemistry of bisphosphonates, the role of phosphorus in biology, phosphorus ligands in radiopharmaceutical chemistry, phosphorus in material science, new polymers and dendrimers incorporating phosphorus, and as- metric catalysis to name but a few. Indeed researchers, benefitting from their background in basic phosphorus chemistry are developing many new fields of research.
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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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 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 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.
Phosphorus Chemistry Ii
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Author : Jean-Luc Montchamp
language : en
Publisher: Springer
Release Date : 2015-03-06
Phosphorus Chemistry Ii written by Jean-Luc Montchamp and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-06 with Science categories.
Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.