Bisphosphines for asymmetric hydrogenation catalysts

Details Bisphosphines for asymmetric hydrogenation catalysts Bisphosphines for asymmetric hydrogenation catalysts

1994-09-02

1996-04-23

Nazario-Gonzales, Porfirio

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

Organic compounds

Heavy metal containing

556136, 568 14, 568 17, 585257, 585277, C07F 1500, C07F 902, C07C 502

Patent

active

055105033

ABSTRACT:
The invention relates to novel enantiomerically pure bisphosphines of the general formula (I) ##STR1## in which R, R.sup.1 and R.sup.2 have the meanings given in the description, a process for the preparation thereof and the use thereof in metal complexes as catalysts for asymmetric hydrogenations.

REFERENCES:
patent: 5187281 (1993-02-01), Kolich et al.
patent: 5198562 (1993-03-01), Noyori et al.
patent: 5274167 (1993-12-01), Lange et al.
patent: 5286888 (1994-02-01), Sano et al.
P. Stahly et al., Organomettalics, vol. 12, pp. 1467-1470 (1993).
J. Chem. Comm. 922 (1985).
R. Noyori, Modern Synthetic Methods, 115-198 (1989).

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