BASF SE Patent, Oxadiazole Preparation, 19 Claims
Summary
The USPTO granted Patent US12606532B2 to BASF SE for a process to prepare substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles. The process involves reacting amidoxime compounds with a haloacetic ester in the presence of a solvent and base. The patent contains 19 claims with inventors Florian Vogt, Kailaskumar Borate, Bernd Wolf, Christopher Koradin, Joachim Gebhardt, Roland Goetz, and Harish Shinde. The application was filed February 1, 2021.
What changed
The USPTO granted Patent US12606532B2 to BASF SE, covering a chemical synthesis process for preparing substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazole compounds. The patent contains 19 claims and classifies under CPC C07D 271/06. Inventors include Florian Vogt, Kailaskumar Borate, Bernd Wolf, Christopher Koradin, Joachim Gebhardt, Roland Goetz, and Harish Shinde.
Chemical manufacturers and pharmaceutical companies developing oxadiazole compounds should conduct freedom-to-operate analyses before commercializing similar synthesis routes. Third parties may seek licensing opportunities or contest validity through inter partes review.
Archived snapshot
Apr 21, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles
Grant US12606532B2 Kind: B2 Apr 21, 2026
Assignee
BASF SE
Inventors
Florian Vogt, Kailaskumar Borate, Bernd Wolf, Christopher Koradin, Joachim Gebhardt, Roland Goetz, Harish Shinde
Abstract
The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles of formula I, which can be obtained through reaction of amidoxime compounds of formula II with a haloacetic ester in the presence of a solvent and a base.
CPC Classifications
C07D 271/06
Filing Date
2021-02-01
Application No.
17796291
Claims
19
Mentioned entities
Parties
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