Hydrogenation of aromatic-substituted olefins using organometall

Details Hydrogenation of aromatic-substituted olefins using organometall Hydrogenation of aromatic-substituted olefins using organometall

1991-11-04

1993-05-11

Dees, Jose G.

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

Organic compounds

Heavy metal containing

556136, C07F 1500

Patent

active

052102432

ABSTRACT:
A ruthenium-phosphite complex having the formula ##STR1## wherein a is from 1 to 3; b is 1 or 2; c is from 0 to 3; and R is hydrogen, alkyl, aryl, halo, amino, acetylamino, or sulfo; and X is ##STR2## where R.sub.1, R.sub.2, and R.sub.3 are the same or different and are hydrogen or C.sub.1 to C.sub.6 linear or branched alkyl.
This complex can be used to effect the reduction of unsaturated organic compounds or, when comprised of ligands having optical activity, can be used as the catalyst for effecting the asymmetric reduction of unsaturated organic compounds.

REFERENCES:
patent: 4691037 (1987-09-01), Yoshikawa et al.
patent: 4748261 (1988-05-01), Billig et al.
patent: 4994590 (1991-02-01), Takaya et al.

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