Patent · US Active

Process for the preparation of 5-substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines

US8338596B2 · kind B2 · utility

1Cited by

3References

4Claims

0Family size

Assignee

DOW AGROSCIENCES LLC · US

Inventors

Craig Bott · Clare, US
Christopher T. Hamilton · Midland, US
Gary Roth · Midland, US

Key dates

Filing date	Dec 14, 2011
Grant date	Dec 25, 2012
Priority date	—
Expiry date	Dec 14, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D487/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

5-Substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines are manufactured from 2-substituted-4-amino-5-methoxypyrimidines in a process that avoids hydrazine and cyanogen halide.

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