The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2018
Filed:
May. 28, 2015
Sumitomo Chemical Company, Limited, Chuo-Ku, Tokyo, JP;
Takashi Miyamoto, Osaka, JP;
Daisuke Sasayama, Osaka, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
A compound represented by formula (4) is produced by a step A of reacting a compound represented by formula (2): wherein Rrepresents an ethyl group or the like, R represents a halogen atom or the like, n represents 0, 1, 2, or 3, and M represents potassium or the like, with thionyl chloride to obtain a compound represented by formula (1): a step B of reacting the compound represented by formula (1) with a compound represented by formula (5): wherein Arepresents a nitrogen atom or ═CH—, Rrepresents a trifluoromethyl group or the like, and m represents 1 or 2, to produce a compound represented by formula (3): or an acid salt thereof; and a step C of reacting the compound represented by formula (3) or an acid salt thereof in the presence of acid at 100° C. to 180° C. to obtain the compound represented by formula (4):
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile