Patent · US Active

Method for producing halogenated N-arylpyrazoles

US11332447B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Andreas REMBIAK · Bad Soden, DE
Eike Kevin Heilmann · Mülheim an der Ruhr, DE

Key dates

Filing date	May 20, 2019
Grant date	May 17, 2022
Priority date	—
Expiry date	May 20, 2039

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 compounds of the formula (I) by halogenating compounds of the formula (II), where in R1, R2, R3 and X are defined according to the invention.

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