Patent · US Expired

Process for the preparation of 1,2,4-triazine-3,5-diones

US5530129A · kind A · utility

7Cited by

3References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Bernd Gallenkamp · Wuppertal, DE
Werner Hallenbach · Nordhorn, DE
Lothar Rohe

Key dates

Filing date	Jul 28, 1995
Grant date	Jun 25, 1996
Priority date	—
Expiry date	Jul 28, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D253/075
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a novel process for the preparation of 1,2,4-triazine-3,5-diones by decarboxylation of corresponding 6-carboxy-1,2,4-triazine-3,5-diones, characterized in that it is carried out in aprotic organic solvents.

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