Optically active tertiary phosphine compound and transition meta

Details Optically active tertiary phosphine compound and transition meta Optically active tertiary phosphine compound and transition meta

1992-03-12

1993-07-27

Dees, Jose G.

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

Organic compounds

Heavy metal containing

556136, 568 17, C07F 1500, C07F 902

Patent

active

052312020

ABSTRACT:
A phosphine compound represented by formula (I): ##STR1## wherein Ph represents a phenyl group; and R represents a lower alkyl group or --OR.sup.1, wherein R.sup.1 represents a hydrogen atom, a cycloalkyl group having from 5 to 7 carbon atoms, or an alkyl group having from 1 to 6 carbon atoms which may be substituted with a halogen atom, a lower alkoxy group, a lower alkoxy group-substituted lower alkoxy group, or a phenyl group, and a transition metal complex using the phosphine compound (I) as a ligand are disclosed. The transition metal complex, when used as a catalyst for various enantioselective synthesis reactions, e.g., enantioselective silylation reaction, provides a desired product in high yield at high optical purity. The absolute configuration of the product can be arbitrarily selected by selecting the optical isomer of the ligand in the transition metal complex catalyst.

REFERENCES:
patent: 4604474 (1986-08-01), Kumobayashi et al.
patent: 4691037 (1987-09-01), Yoshikawa et al.
Journal of the American Chemical Society, vol. 113, pp. 9887-9888 (1991).
Chemistry Express, vol. 6, No. 5, pp. 335-338 (1991).

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