Process for the production of bicyclo decenone derivatives

Details Process for the production of bicyclo decenone derivatives Process for the production of bicyclo decenone derivatives

1973-04-06

1976-06-08

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252522, 260586F, C07C 4500

Patent

active

039623394

ABSTRACT:
Limonene is epoxidized and the product reacted with BF.sub.3 -etherate to produce dihydrocarvone which is condensed with 3-peten-2-one to give a mixture of the 5,6-dimethyl-9-isopropenyl and 5,10-dimethyl-7-isopropenyl derivatives of bicyclo [4,4,0] dec-1-en-3-one. The mixture is useful as an odorant to provide a woody aroma in soaps, cosmetics, toiletries, etc. Individual isomers may be separated from the mixture by such techniques as preparative glc.

REFERENCES:
patent: 2671808 (1954-03-01), Johnston et al.
patent: 3538164 (1970-11-01), Leffingwell
patent: 3560571 (1971-02-01), Kropp
MacLeod, "C.A.," vol. 64, p. 12730b (1966).
Erdtman, et al., "C.A.," vol. 59, p. 1691a (1963).

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