The Synthesis of Chiral P, N Ligands and Their Applications in Asymmetric Catalysis PDF Download
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Author: Cian Reid
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Cian Reid
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Montserrat Diéguez
Publisher: CRC Press
ISBN: 1000379000
Category : Science
Languages : en
Pages : 298
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Book Description
Many new drugs on the market are chiral compounds, that is, they can exist in two non-superimposable mirror-image forms. Asymmetric catalysis encompasses a large variety of processes for obtaining such compounds. The performance of the catalyst in those processes largely depends on the ligand that makes up the catalyst. This book describes the most relevant ligand libraries for some key processes, including an overview of the state of art and the key mechanistic aspects that favor a high catalytic performance. Key Features: The book presents historical content from the time of discovery for each family of ligands. Provides a description of the synthetic route and the ligand library's application in various catalytic asymmetric reactions Suitable as supplementary reading for courses targeting the design, synthesis and application of chiral catalysts, asymmetric catalysis and sustainable production Edited by a distinguished scientist in the field, the book has a diverse audience including research groups in homogeneous catalysis, particularly asymmetric transformations
Author: Hélène Pellissier
Publisher: Royal Society of Chemistry
ISBN: 1847559247
Category : Science
Languages : en
Pages : 403
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The goal of this book is to show the high potential of chiral sulfur-containing ligands to promote numerous asymmetric catalytic transformations. These ligands can now be recognised as real competitors to the more usual phosphorus- or nitrogen-containing ligands.
Author: Armin Börner
Publisher:
ISBN:
Category : Asymmetric synthesis
Languages : en
Pages : 512
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Author: James Barker
Publisher:
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Category :
Languages : en
Pages : 0
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Author: Qi-Lin Zhou
Publisher: John Wiley & Sons
ISBN: 3527635211
Category : Technology & Engineering
Languages : en
Pages : 670
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Book Description
Catalytic asymmetric synthesis has been one of the most active research areas in chemistry (Nobel Prize in 2001). The development of efficient chiral catalysts plays a crucial role in asymmetric catalysis. Although many chiral ligands/catalysts have been developed in the past decades, the most efficient catalysts are derived from a few core structures, called "privileged chiral catalysts". This ultimate "must have" and long awaited reference for every chemist working in the field of asymmetric catalysis starts with the core structure of the catalysts, explaining why a certain ligand or catalyst is so successful. It describes in detail the history, the basic structural characteristics, and the applications of these "privileged catalysts". This novel presentation provides readers with a much deeper insight into the topic and makes it a must-have for organic chemists, catalytic chemists, chemists working with/on organometallics, chemists in industry, and libraries. From the contents: * BINAP * Bisphosphacycles - From DuPhos and BPE to a Diverse Set of Broadly Applied Ligands * Josiphos Ligands: From Discovery to Technical Applications * Chiral Spiro Ligands * Chiral Bisoxazoline Ligands * PHOX Ligands * Chiral Salen Complexes * BINOL * TADDOLate Ligands * Cinchona Alkaloids * Proline Derivatives
Author: Marc Lemaire
Publisher: Springer
ISBN: 9783540314424
Category : Science
Languages : en
Pages : 0
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The use of phosphine derivatives has historically induced the tremendous development of catalysis (both non-asymmetric and asymmetric). Although the chemistry of amines is more documented, the use of nitrogen-containing ligands only appeared recently. Nevertheless, during the last ten years, the results describing chiral diamine preparations and their uses in asymmetric catalysis and synthesis are increasing faster than their phosphorus counterparts. The reader will find in this volume the most recent methods for the synthesis of chiral diamines as well as their applications in asymmetric catalysis of CC bond formation. Particular attention will be given to spartein and derivatives of such diamines. Recently, the particular properties and the chemistry of amines allowed to obtain catalysts easy to separate and recycle and new types of ligands such as diaminocarbenes, ureas and thioureas. Finally, the complexing properties of some diamines allowed the formation of complexes with chirality "at the metal " which is of major theoretical interest and presents numerous potential applications.
Author: Li-Xin Dai
Publisher: John Wiley & Sons
ISBN: 3527322809
Category : Science
Languages : en
Pages : 433
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This book meets the long-felt need for a reference on ferrocenes with the focus on catalysis. It provides a thorough overview of the synthesis and characterization of different types of chiral ferrocene ligands, their application to various catalytic asymmetric reactions, and versatile chiral materials as well as drug intermediates synthesized from them. Written by the "who's who" of ferrocene catalysis, this is a guide to the design of new ferrocene ligands and synthesis of chiral synthetic intermediates, and will thus be useful for organic, catalytic and synthetic chemists working in academia, industrial research or process development.
Author: Yixiong Song
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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A series of chiral beta-aminophosphine ligands bearing different carbon backbones and electronically differentiated diarylphosphino groups were prepared using a modular approach. These P,N-ligands were found to induce a modest level of enantioselectivities in the Pd-catalyzed asymmetric decarboxylative allylation reaction. Thiourea-phosphine bifunctional catalysts derived from the chiral beta-aminophosphine building blocks were prepared and applied to the asymmetric Morita-Baylis-Hillman (MBH) reaction of methyl acrylate and 4-nitrobenzaldehyde. The electronically unmodified diarylphosphino-thiourea was found to be optimal for achieving high activity and enantioselectivity in this particular MBH reaction. We also reported the synthesis of a P-chiral C2-symmetric bisphosphine ligand. However, the utility of this Trost-type ligand remains to be explored in the future.
Author: Alexander Doran
Publisher:
ISBN:
Category :
Languages : en
Pages : 305
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