Patent · US Active

Process for preparing α-damascone

US10150730B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

BASF SE

Inventors

Stefan Rüdenauer · Weinheim, DE
Thomas Fenlon · Mannheim, DE
Shrirang Hindalekar · Mumbai, IN
Nisha Pansare · Navi Mumbai, IN
Abhijeet Roy · Navi Mumbai, IN
Vijay Narayanan Swaminathan · Chennai, IN

Key dates

Filing date	Aug 17, 2016
Grant date	Dec 11, 2018
Priority date	—
Expiry date	Aug 17, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/16
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one, which comprises a) providing 6,10-dimethylundeca-1,5,9-trien-4-ol, b) oxidizing 6,10-dimethylundeca-1,5,9-trien-4-ol provided in step a) with an oxidizing agent in the presence of at least one organic nitroxyl radical, at least one nitrate compound and an inorganic solid to yield 6,10-dimethylundeca-1,5,9-trien-4-one, c) reacting the 6,10-dimethylundeca-1,5,9-trien-4-one obtained in step b) with an acid to yield 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one.

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