C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/471, 260/514
C07C 319/14 (2006.01) C07C 323/50 (2006.01) C07D 213/70 (2006.01) C07D 277/74 (2006.01)
Patent
CA 2038392
PROCESS FOR PRODUCING ALKYLTHIO- AND ARYLTHIO-SUBSTITUTED CARBOXYLIC ACIDS AND THEIR THIOESTERS ABSTRACT OF THE DISCLOSURE A process is provided for producing alkylthio-substituted carboxylic acids and arylthio-substituted carboxylic acids and their corresponding alkylthio-substituted thioesters and arylthio-substituted thioesters. The process comprises reacting a mercaptan with a lactone in the presence of an acidic catalyst at temperatures of about 100°C to about 350°C. The process for preparing the thio-substituted carboxylic acids and thio-substituted thioesters may be a continuous process or a batch process.
Buchholz Bernard
Hager Robert B.
Lindstrom Michael J.
Atochem North America Inc.
Borden Ladner Gervais Llp
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