Asymmetric diphosphines, their preparation and their use

Details Asymmetric diphosphines, their preparation and their use Asymmetric diphosphines, their preparation and their use

1974-05-17

1976-04-06

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252431P, 26032614T, 2603405, 260429R, 260468J, 260471A, 260482R, 260514J, 260518R, 260519, 260534R, C07F 902

Patent

active

039490009

ABSTRACT:
Optically active diphosphines of the formula: ##EQU1## in which the phosphinomethyl groups are trans to each other, form rhodium complexes useful as catalysts in hydrogenating substituted acrylic acids and their esters to optically active propionic acid derivatives.

REFERENCES:
patent: 3798241 (1974-03-01), Kagan et al.
Kosolapoff, Organic Phosphorus Compounds, Wiley-Interscience, N.Y. Vol. 1, pp. 202-210 (1972).
Schindlbauer, Monatshefte fur Chemie, Vol. 96, pp. 2058-2060 (1965).
Cotton, Progress In Inorganic Chemistry, Vol. 5, pp. 144-146 (1963).
Emeleus, Adv. In Inorganic Chemistry And Radio-Chemistry, Vol. 14, pp. 240-244 (1972).

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