Patent
Method for producing methanesulfonic acid alkyl ester solution (US Patent 9045399)
SUMITOMO CHEMICAL COMPANY, LIMITED · Granted Jun 2, 2015 · Filed Mar 2, 2011
Patent number: 9045399 Kind code: B2 Granted: 2015-06-02 Filed: 2011-03-02 Inventors: Shinobu Maruno (Niihama, JP); Koichi Nakazawa (Tsukuba, JP) Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED (Tokyo, JP) CPC: C07C 303/26; C07C 303/28; C07C 309/00; C07C 309/63-66; C07C 309/64; C07C 309/65
Abstract
An aromatic organic solvent solution of a methanesulfonic acid alkyl ester having high thermal stability is obtained by reacting an alkyl alcohol with methanesulfonyl chloride in an aromatic organic solvent in
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