Patent · US Active

Process for preparing isoxaflutole

US9546142B2 · kind B2 · utility

0Cited by

1References

19Claims

0Family size

Inventors

Omer Tzor · Kiryat Ono, IL
Michael Grabarnick · Meitar, IL

Key dates

Filing date	Oct 13, 2014
Grant date	Jan 17, 2017
Priority date	—
Expiry date	Oct 13, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D261/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing isoxaflutole of formula (I) wherein the process comprises: admixing (5-cyclopropyl-4-isoxazolyl)[2-(methylthio)-4-(trifluoromethyl)phenyl]-methanone of formula (II) with acetic acid, acetic anhydride and hydrogen peroxide in the presence of a strong acid.

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