Patent · US Expired

Process for the preparation of .alpha.-fluoro-.beta.-dicarbonyl compounds

US5391811A · kind A · utility

7Cited by

6References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Stefan Bohm · Cologne, DE
Albrecht Marhold · Leverkusen, DE

Key dates

Filing date	Nov 3, 1993
Grant date	Feb 21, 1995
Priority date	—
Expiry date	Nov 3, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C67/307
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

.alpha.-fluoro-.beta.-dicarbonyl compounds are prepared by reacting a halogenated dicarbonyl compound at temperatures of 20.degree. to 100.degree. C. with an addition product of hydrogen fluoride and a trialkylamine. This process is easy to carry out in technical terms and can also be carried out on a large scale.

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