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Preparation of a Surface‐Active Chiral Diphosphane and Its Use in the Hydrogenation of Prochiral Olefins
Author(s) -
Ding Hao,
Hanson Brian E.,
Bakos József
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199516451
Subject(s) - cinnamic acid , selectivity , chemistry , catalysis , organic chemistry , aryl , asymmetric hydrogenation , combinatorial chemistry , enantioselective synthesis , alkyl
Sulfonation of chiral aryl phosphanes occurs readily in high yields when they contain C 6 H 4 ‐ p ‐(CH 2 ) 3 ‐C 6 H 5 groups. The diphosphane 1 synthesized in this way is surface active and increases the activity and selectivity of Rh catalysts for the hydrogenation of cinnamic acid derivatives in two‐phase systems.