Patent · US Expired

8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation thereof

US4277606A · kind A · utility

0Cited by

2References

6Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Helmut Meidert · Frankfurt am Main, DE
Wilfried Pressler · Kelkheim, DE
Werner Muller · East Greenwich, US

Key dates

Filing date	Mar 6, 1980
Grant date	Jul 7, 1981
Priority date	—
Expiry date	Mar 6, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D215/26
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

8-Oxo-5,6,7,8-tetrahydro-2-quinolone is a novel compound which is prepared by hydrolyzing the hydrochloride of the corresponding 8-chloro compound or the hydrobromide of the corresponding 8-bromo compound to give the corresponding 8-hydroxy compound, and dehydrogenating the latter one.

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