Patent · US Active

Method for producing carboxamides

US9656964B2 · kind B2 · utility

0Cited by

3References

3Claims

0Family size

Inventors

Werner Lindner · Eppstein, DE
Sergii Pazenok · Solingen, DE
Frank Volz

Key dates

Filing date	Nov 8, 2013
Grant date	May 23, 2017
Priority date	—
Expiry date	Nov 8, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of carboxamide derivatives of formula (I) R N O N N CF2H C H3Fstarting from 1-methyl-3-difluormethyl-.5-fluoro-1H-pyrazole-4-carbonyl halides in absence of an acid acceptor.

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