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:
May. 22, 2018
Filed:
Apr. 08, 2015
Sumitomo Chemical Company, Limited, Tokyo, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
A compound represented by formula (1): (wherein, Rrepresents an alkyl group having 1 to 6 carbon atoms or the like, Rand Rrepresent a hydrogen atom or the like, and X represents a chlorine atom, a bromine atom or an iodine atom)can be produced by:a step wherein a compound represented by formula (2): is reacted with a compound represented by formula (3): (wherein, each of Rand Rindependently represents an alkyl group having 1 to 3 carbon atoms or the like, and each of Rand Rindependently represents an alkoxy group having 1 to 3 carbon atoms or the like),thereby obtaining a compound represented by formula (4): a step wherein a compound represented by formula (4) is oxidized;a step wherein the product in the oxidation step is reduced; and a step wherein the product in the reduction reaction is halogenated.