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:
Nov. 29, 2011
Filed:
Oct. 01, 2007
Masao Iwaya, Yokohama, JP;
Kazuya Oharu, Yokohama, JP;
Hidekazu Okamoto, Yokohama, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
The present invention relates to producing a disulfonyl fluoride compound easily and efficiently by utilizing coupling reaction where a compound (2) is obtained by subjecting a compound (1) wherein Y is a fluorine atom to photocoupling reaction, or subjecting a compound (1) wherein Y is a hydroxyl group, —OMwherein Mis an alkali metal atom, or —O(M)wherein Mis an alkaline earth metal atom to electrolytic coupling reaction, and derivatives such as the following compound (7A) are obtained from the compound (2):FSO-E-CX—COY  (1)FSO-E-CX—CX-E-SOF  (2) wherein E is a single bond, —O—, a Calkylene group which may contain an etheric oxygen atom, or the like, X is a fluorine atom or the like, and Y is a fluorine atom, a hydroxyl group, or the like.