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ChemInform Abstract: Preparation of New Chiral Pyridine—Phosphine Ligands and Their Pd-Catalyzed Asymmetric Allylic Alkylations.

✍ Scribed by Jun'ichi Uenishi; Masahiro Hamada

Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
33
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

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Among several new ligands the (S,S)-BOP ligand affords the best results of regio-and stereoselectivity in the allylic alkylations of 1-and 3-aryl-2-propenyl acetates such as (I) and (V). Alkyl substituted analogues like (VI) react with distinctly lower selectivities in the presence of this ligand. -