Patent · US Expired

Oxidation of quinoline to quinolinic acid

US4549024A · kind A · utility

2Cited by

1References

6Claims

0Family size

Assignee

Rutgerswerke Aktiengesellschaft · DE

Inventors

Winfried Orth
Emmerich Pastorek · Hemsbach, DE
Werner Fickert · Mannheim, DE

Key dates

Filing date	Nov 5, 1984
Grant date	Oct 22, 1985
Priority date	—
Expiry date	Nov 5, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/80
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A novel process for the preparation of quinolinic acid comprising reacting quinoline in an aqueous acid with hydrogen peroxide in the presence of at least one cation selected from the group consisting of vanadyl V, cobalt III, titanyl IV and osmium VIII cations at 50.degree. to 100.degree. C. and then oxidizing with chlorite or chlorate ions to form quinolinic acid.

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