Process for the manufacture of cyclohexandione-1,3

Details Process for the manufacture of cyclohexandione-1,3 Process for the manufacture of cyclohexandione-1,3

1976-07-28

1977-06-07

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4500

Patent

active

040284174

ABSTRACT:
Cyclohexanediones-1,3 are prepared in a good selectivity by reacting an .alpha.,.beta.-unsaturate carboxylic acid ester with a ketone in the liquid phase in the presence of a strong base and a solvent selected from the group consisting of carboxylic acid amides, phosphoric acid amides, sulfoxides, sulfones, and glycol dialkyl ethers.

REFERENCES:
patent: 2158071 (1939-05-01), Hansley
patent: 2218026 (1940-10-01), Hansley
patent: 3504036 (1970-03-01), Schick et al.
patent: 3922307 (1975-11-01), Muller
patent: 3932511 (1976-01-01), Schaafsma et al.
patent: 3950438 (1976-04-01), Schaafsma et al.
Vorlander et al., "Amn.", vol. 294, pp. 270-271.
Bornstein et al., "C. A.", 48:9933e, (1954).
Kost et al., "Zhur. Absch. Khim", 32:3983-3986, (1962).
Mannich et al., "Ber", vol. 71, pp. 2090-2091, (1938).

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