Patent · US Expired

Process for preparing oxoisophorone

US6300521A · kind A · utility

2Cited by

1References

7Claims

0Family size

Assignee

BASF SE

Inventors

Martin Klatt · Bad Dürkheim, DE
Thomas Muller · Bad Homburg vor der Höhe, DE
Bernhard Bockstiegel · Wasserburg am Inn, DE

Key dates

Filing date	Jun 21, 2000
Grant date	Oct 9, 2001
Priority date	—
Expiry date	Jun 21, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/90
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing 3,5, 5-trimethylcyclohex -2-ene-1,4-dione (oxoisophorone; OIP) by oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (.beta.-isophorone, .beta.-IP) with molecular oxygen in the presence of a solvent, of a base and of a manganese salen derivative as catalyst.

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