Perfume compositions containing 4(5)-acetyl-7,7,9(7,9,9)-trimethylbicyclo[4.]non-1-ene

US4302363A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Klaus Bruns · Uerdingen, DE
• Ursula Weber · Uerdingen, DE

Key dates

• Filing date: Jun 9, 1980
• Grant date: Nov 24, 1981
• Expiry date: Jun 9, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2602/24
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

This invention is directed to the isomer mixture 4(5)-acetyl-7,7,9(7,9,9)-trimethylbicyclo[4.3.0]non-1-ene, the preparation thereof, and the use of said mixture as a perfuming agent. The isomer mixture represents a valuable new perfuming agent having strong, warm ambergris scent with woody tobacco leaf, methyl ionone, and arborvitae notes and having exceptional persistence as well.