| 摘要 |
1,244,951. Perfumes. L. GIVAUDAN & CIE S.A. 7 Jan., 1970 [13 Jan., 1969], No. 730/70. Heading A5B. [Also in Division C2] Perfume compositions comprise compounds of the formula where n is 1-8; R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> are H or alkyl of 1-4 carbon atoms or, where n is 2, two of R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> together represent a bridge member, or two of R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> situated on the same carbon atom of the A-ring together form alkylene of 2-5 carbon atoms; R<SP>4</SP> is H or methyl and the broken line denotes an optional bond, while, when such a bond is present, R<SP>1</SP> may also be alkylidene of 1-4 carbon atoms. |
