Patent · US Active

Method for producing substituted pyrazolecarboxylic acid chlorides

US7977494B2 · kind B2 · utility

0Cited by

1References

16Claims

0Family size

Assignee

BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

Norbert Lui · Odenthal, DE
Jens-Dietmar Heinrich · Burscheid, DE
Alexander Straub · Wuppertal, DE
Thomas Wollner
James M. Ford · Cleveland, US

Key dates

Filing date	Jan 9, 2008
Grant date	Jul 12, 2011
Priority date	—
Expiry date	Aug 19, 2028

Classification

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

Abstract

The present invention relates to a process for preparing substituted pyrazolyl chlorides by chlorinating aldehydes of the formula (II) under free-radical conditions.

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