Chiral phosphines

Details Chiral phosphines Chiral phosphines

1981-04-22

1982-08-10

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548531, C07D20710, C07D30732

Patent

active

043437419

ABSTRACT:
Novel substituted diphenyl tertiary phosphines of a pyrrolidine carboxylic acid derivative and their use as catalysts in the enantioselective hydrogenation of .alpha.-keto-.beta.,.beta.-dimethyl-.gamma.-butyrolactone.

REFERENCES:
patent: 3883580 (1975-05-01), Solodar
patent: 3980670 (1976-09-01), Kummer et al.
patent: 4008281 (1977-02-01), Knowles et al.
patent: 4123465 (1978-10-01), Valentine
Achiwa, Chem. Lett., pp. 297-298, (1978).
Achiwa; J.A.C.S., vol. 98, pp. 8265-8266, (1976).
Achiwa; Tet. Letters, No. 50, pp. 4431-4432, (1977).
Ojima et al; J. Org. Chem., vol. 43, pp. 3444-3446, (1978).

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