C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 285/125 (2006.01)
Patent
CA 2254558
The present invention provides a process of making 2-(methylthio)- 5-(trifluoromethyl)-1,3,4-thiadiazole. The process includes the steps of (a) reacting methyldithiocarbazinate with a molar excess of trifluoroacetic acid; and (b) removing the water and excess trifluoroacetic acid. Water and excess trifluoroacetic acid are preferably removed via distillation.
Desai Vijay C.
Newallis Peter E.
Prasad Vidyanatha A.
Seifert Hermann
Aktiengesellschaft Bayer
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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