Takasago Perfumery Co., Ltd.

Toyohiko Kobayashi

Haruki Tsuruta

Kiyohito Sawano

Toshio Yoshida

Nobuo Yamada

Perfume composition

A perfume composition is described, which contains at least one compound of bicyclo[2,2,2]octane and bicyclo[2,2,2]octene derivatives represented by the general formula (I) ##STR1## wherein the symbols are the same as defined hereinbefore.

A process for preparing a brassylic diester of the formula:

Process for preparing brassylic diester

A norbornane or norbornene derivative of the formula (I): ##STR1## wherein the bond represented by the dotted line is present or absent and n is 0 or 1, the norbornane and norbornene derivatives having a characteristic odor of sandalwood oil and useful for perfumery; and a process for the production thereof.

Growing community of inventors

Yokohama, Japan

Toyohiko Kobayashi