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Rhodium Complexes of (R)-Me-CATPHOS and (R)-(S)-JOSIPHOS: Highly Enantioselective Catalysts for the Asymmetric Hydrogenation of (E)- and (Z)-beta-Aryl-beta-(Enamido)phosphonates

Lookup NU author(s): Dr Simon Doherty, Dr Julian Knight, Adam Bell

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Abstract

Rhodium complexes of (R)-Me-CATPHOS and (R)-(S)-JOSIPHOS form a complimentary pair of catalysts for the highly efficient asymmetric hydrogenation of (E)- and (Z)-beta-aryl-beta-(enamido)phosphonates, in each case giving excellent yields and ee’s in excess of 99%, the highest to be reported for this class of substrate.


Publication metadata

Author(s): Doherty S, Knight JG, Bell AL, El-Menabawey S, Westcott S

Publication type: Article

Publication status: Published

Journal: Tetrahedron: Asymmetry

Year: 2009

Volume: 20

Issue: 12

Pages: 1437-1444

ISSN (print): 0957-4166

ISSN (electronic): 1362-511X

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.tetasy.2009.05.023

DOI: 10.1016/j.tetasy.2009.05.023


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