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Title:
CIS-2,2,3-TRIMETHYL-6-METHYLENE-CYCLOHEXANE DERIVATIVE AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPS61243035
Kind Code:
A
Abstract:

NEW MATERIAL:A cis-2,2,3-trimethyl-6-mthylene-cyclohexane derivative expressed by formula I (R is CHO or CH2OH).

EXAMPLE: cis-γ-Methylcyclocitral.

USE: Useful as a modifier, improver and enhancer for various perfume compositions and further as a synthetic intermediate for (±)-cis-γ-iron having natural irislike fragrance and high perfumy value. The above-mentioned com pound has fresh top note, and exhibits novel fruity flavor and fragrance, etc. which are not found in the conventional compounds and improved lasting proper ties.

PREPARATION: For example, a cis-2-(2-methylene-5,6,6-trimethylcyclohexan-1-yl)- N,N-dial-kylacetonitrile expressed by formula II (R and R' are lower alkyl or together with R' and R" may form a lower alkylene group) is brought into contact with silver nitrate in an organic solvent to give the exemplified compound in the compound expressed by formula I.


Inventors:
Mori, Kenji
Kitahara, Takeshi
Kawanobe, Tsuneo
Iwamoto, Minoru
Katsuta, Yasuhiro
Application Number:
JP1985000082629
Publication Date:
October 29, 1986
Filing Date:
April 19, 1985
Export Citation:
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Assignee:
T HASEGAWA CO LTD
International Classes:
C07C29/00; C07C27/00; C07C33/14; C07C45/00; C07C45/51; C07C47/45; C07C67/00; C07C401/00; C07C403/16; (IPC1-7): C07C29/00; C07C33/14; C07C45/51; C07C47/45; C07C175/00
Foreign References:
FR2404616A1