Preparation of omega-formylalkanecarboxylic esters

Details Preparation of omega-formylalkanecarboxylic esters Preparation of omega-formylalkanecarboxylic esters

1988-06-15

1990-03-20

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6966

Patent

active

049103288

ABSTRACT:
.omega.-Formylalkanecarboxylic esters are prepared by hydroformylation of an alkenecarboxylic ester with carbon monoxide and hydrogen at elevated tempertures and under superatmospheric pressure in the presence of a cobalt carbonyl complex by a process in which an .alpha.,.beta.-unsaturated alkenecarboxylic ester is hydroformylated in the presence of from 0.01 to 1 mol %, calculated as cobalt, of a cobalt carbonyl complex, while maintaining a conversion of from 10 to 70% of .alpha.,.beta.-unsaturated alkenecarboxylic esters.

REFERENCES:
patent: 3253018 (1966-06-01), Zachry et al.
C. R. Acad. Sc. Paris, t. 272(1971) pp. 86-88.
Chemiker-Zeitung, 1976,718, p. 309.

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