Patent · US Expired

Process for the preparation of oxophorones

US3944620A · kind A · utility

7Cited by

4References

4Claims

0Family size

Assignee

FIRMENICH SA · CH

Inventors

Joseph J. Becker · Schenectady, US
Ulrich Hochstrasser · Ecublens, CH
Werner Skorianetz · Dardagny, CH

Key dates

Filing date	Nov 26, 1974
Grant date	Mar 16, 1976
Priority date	—
Expiry date	Nov 26, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/34
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the preparation of a diketone derivative, viz 2,2,6-trimethyl-cyclohex-5-en-1,4-dione, an organoleptically interesting ingredient for the perfumery and the flavour industry, as well as a useful intermediate for the pharmaceutical industry.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.