Supported catalyst for the preparation of monocarboxylic anhydri

Details Supported catalyst for the preparation of monocarboxylic anhydri Supported catalyst for the preparation of monocarboxylic anhydri

1989-03-03

1990-10-23

Sneed, H. M. S.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502162, 502166, 502167, 502168, B01J 3100

Patent

active

049652346

ABSTRACT:
In a supported catalyst for the preparation of monocarboxylic anhydrides by carbonylation of the appropriate esters or ethers, where, in the supported catalyst, an organosilicon compound is bonded, as a polyfunctional coupling agent, on the one hand to a support material and on the other hand to a noble-metal compound from group VIII of the Periodic Table of the Elements, the coupling agent is a chelate-forming organosilicon compound of the general formula ##STR1## where X=Cl, Br or --OR.sup.2 ;

REFERENCES:
patent: 3907852 (1975-09-01), Oswald et al.
patent: 4542119 (1985-09-01), Hsu et al.
patent: 4564711 (1986-01-01), Hsu et al.
patent: 4657884 (1987-04-01), Luft et al.
patent: 4668795 (1987-05-01), Andrade et al.

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