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:
Dec. 29, 2009
Filed:
Mar. 02, 2007
Takeshi Toru, Aichi, JP;
Norio Shibata, Aichi, JP;
Shuichi Nakamura, Aichi, JP;
Takeo Fukuzumi, Mie, JP;
Takeshi Toru, Aichi, JP;
Norio Shibata, Aichi, JP;
Shuichi Nakamura, Aichi, JP;
Takeo Fukuzumi, Mie, JP;
Nagoya Institute of Technology, Aichi, JP;
Tosoh F-Tech, Inc., Yamaguchi, JP;
Abstract
A novel 1-fluoro-1,1-bis(arylsulfonyl)methane is provided which is useful in monofluoromethylation. Also provided is a production method thereof. A method for producing a fluorobis(arylsulfonyl)methane, the method including the steps of: treating a bis(arylsulfonyl)methane represented by the following formula (1),(ArSO)CH  (1)(wherein Ar represents a substituted or unsubstituted phenyl group or naphthyl group)with a base; and then adding a fluorination reagent thereto, to produce fluorobis(arylsulfonyl)methane represented by the following formula (2)(ArSO)CHF  (2)(wherein Ar is defined as above), and