Document Type and Number:
Japanese Patent JPS5347101
Kind Code:
B1
Abstract:
1306182 Cycloaliphatic crotonyl compounds DRAGOCO SPECIALFABRIK KONZ RIECHUND ARDMASTOFFE GERBERDING & CO GmbH 9 June 1971 [26 April 1971] 19759/71 Heading C2C [Also in Division A5] Cycloaliphatic crotonyl compounds of the general formula in which R is hydrogen or C 1 -C 6 alkyl are prepared by reacting an unsaturated hydrocarbon of the formula with crotonic anhydride in the presence of a Lewis acid at a temperature of 0‹ to 60‹ C. Compounds claimed per se are trans-2,4,4-trimethyl - 1 - crotonyl - cyclohex - 2 - ene, trans- 2,3,4,4 - tetramethyl - 1 - crotonyl - cyclohex - 2- ene, trans - 2,4,4 trimethyl - 3 - ethyl - 1 - crotonyl-cyclohex-2-ene.
Application Number:
JP6109571A
Publication Date:
December 19, 1978
Filing Date:
August 13, 1971
Export Citation:
International Classes:
A23L27/20; C07C49/21; C07C403/00; C11B9/00; (IPC1-7): C07C49/61