Bisphosphines as catalysts for asymmetric reactions

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus containing

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568 17, C07F 950

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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).
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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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