Patent · US Active

Preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides

US8436191B2 · kind B2 · utility

4Cited by

2References

5Claims

0Family size

Assignee

BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

Sergii Pazenok · Solingen, DE
Norbert Lui · Odenthal, DE
Marc Kosten · Weyhe, DE
Guenter Bartels · Burgwedel, DE

Key dates

Filing date	Nov 19, 2010
Grant date	May 7, 2013
Priority date	—
Expiry date	Feb 28, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D231/16
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a novel process for preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides, a useful intermediate in the manufacture of fungicides.

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