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Asymmetric Hydrogenation of Cyclic N ‐Sulfonylimines with Phosphine‐Free Chiral Cationic Ru‐MsDPEN Catalysts
Author(s) -
Chen Fei,
Li Zhiwei,
He Yanmei,
Fan Qinghua
Publication year - 2010
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201090260
Subject(s) - chemistry , cationic polymerization , phosphine , asymmetric hydrogenation , catalysis , organic chemistry , enantioselective synthesis
Phosphine‐free chiral cationic Ru/diamine complexes are effective catalysts for the asymmetric hydrogenation of a range of cyclic N ‐sulfonylimines, affording chiral sultam derivatives with good to excellent enantioselectivity (up to 94% ee ).