Bisphosphines as catalysts for asymmetric reactions

Details Bisphosphines as catalysts for asymmetric reactions Bisphosphines as catalysts for asymmetric reactions

1996-06-13

1998-01-20

Ivy, C. Warren

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

Organic compounds

Phosphorus containing

568 17, C07F 950

Patent

active

057103399

ABSTRACT:
The invention relates to enantiomerically pure bisphosphines of the general formula (I) ##STR1## where R is as defined in the description,
a process for their preparation and their use in metal complexes as catalysts for asymmetric reactions, in particular asymmetric hydrogenations.

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R. Noyori, J. Am. Chem. Soc., vol. 109, pp. 5856-5858 (1987).
T. Manimara, Organometallics vol. 12, pp. 1467-1470 (1993).
T. Ikariya et al, J. Chem. Soc. Chem. Commun., pp. 922-927 (1985).
R.. Schmid, Helevtica Chemica Acta, vol. 74, pp. 370-389 (1991).
M. Murata et al., SYNLETT, pp. 827-829 (Nov. 1991).

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