Patent · US Expired

Method for the purification of 2-aminothiazole

US3997550A · kind A · utility

0Cited by

1References

4Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Gerhard Kunstle
Klaus Vornehm
Hellmuth Spes · Burghausen, DE
Herbert Siegl

Key dates

Filing date	Apr 10, 1975
Grant date	Dec 14, 1976
Priority date	—
Expiry date	Apr 10, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D277/40
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method for the purification of crude 2-aminothiazole comprising subjecting an aqueous melt of crude 2-aminothiazole to a vacuum distillation in the presence of a trialkyl borate and fractional solidification of the ensuing vapors.

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