Preparation of pure monoesters of adipic acid

Details Preparation of pure monoesters of adipic acid Preparation of pure monoesters of adipic acid

C - Chemistry, Metallurgy

07

C

260/486.7

C07C 69/44 (2006.01)

Patent

CA 1237443

- 7 - O.Z. 0050/36619 Abstract of the Disclosure: Pure monoesters of adipic acid are prepared by a process in which a) a pentenoate is reacted with carbon monoxide and hydrogen at from 90 to 140°C and under from 5 to 300 bar in the presence of a carbonyl complex of cobalt or of rhodium, and a 5-formylvalerate is separated off, and b) the 5-formylvalerate thus obtained is oxidized with molecular oxygen, or with a gas containing this, at from 20 to 100°C under from 1 to 10 bar.

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