C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/308.3
C07D 285/08 (2006.01)
Patent
CA 1041103
ABSTRACT A process for preparing 3-trichloromethyl-5-ethoxy- 1,2,4-thiadiazole by reacting trichloroacetonitrile with ammonia in the presence of ethanol; adding trichloromethanesulfenyl chloride to the reaction mixture and permitting the reaction to proceed until the resulting exotherm has ceased; and then adding a base and recovering 3-trichloromethyl-5-ethoxy-1,2,4-thiadiazole.
225669
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