Transition metal complex, process for the preparation of the sam

Details Transition metal complex, process for the preparation of the sam Transition metal complex, process for the preparation of the sam

1995-03-13

1996-09-17

Nazario-Gonzales, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556136, 502162, 502166, 502213, 568 17, C07F 902, C07F 1500, B01J 3100

Patent

active

055569986

ABSTRACT:
The present invention provides a novel transition metal complex which catalyzes asymmetric hydrogenation reaction. The present invention also provides a process for the preparation of the foregoing novel complex. The present invention further provides an asymmetric hydrogenation catalyst comprising the foregoing novel complex. The novel transition metal complex is provided, represented by the following general formula (I): ##STR1##

REFERENCES:
C. Landis, et al., "Asymmetric Hydrogenation of Methyl-(Z)-.alpha.-acetamidocinnamate Catalyzed by {1,2-Bis((phenyl-o-anisoyl)phosphino)ethane}rhodium(I): Kinetics, Mechanism, and Origin of Enantioselection", J. Am. Chem. Soc., 1987, 109, 1746-1754.
B. McCulloch, et al., "Catalyst-Substrate Adducts in Asymmetric Catalytic Hydrogenation. Crystal and Molecular Structure of [((R,R)-1,2-Bis{phenyl-o-anisoylphosphino}ethane) (methyl(Z)-.beta.-propyl-.alpha.-acetamidoacrylate)]rhodium Tetrafluoroborate, [Rh(DIPAMP)(MPAA)]BF.sub.4 ", Organometallics 1990, 9, 1392-1395.
M. Ashby, et al., "Crystal and Molecular Structure of an Asymmetric Hydrogenation Catalyst-Substrate Adduct, .increment.-Bis(tiglato){(R)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl}- ruthenium(II), [RuII(BINAP)(O.sub.2 CCMe=CHMe).sub.2 ]", Organometallics 1991, 10, 2011-2015.

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