Preparation of esters of thiocarbamic acids

C - Chemistry – Metallurgy – 07 – D

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260/467.6, 260/3

C07D 295/20 (2006.01) A01N 47/10 (2006.01) C07D 295/21 (2006.01)

Patent

CA 1080240

Abstract of the Disclosure Esters of thiocarbamic acids are prepared by a process comprising reacting COS with an amine of the formula Image at a COS/amine mole ration of at least about 0.502, and reacting the product of the above with an organic halide of the formula R3X at a temperature of at least about 50°C, both reactions occurring in an anhydrous medium. The symbols R1,R2, and R3 independently represent alkyl, alkenyl, alkynyl, aryl, aralkyl, cycloalkyl, cycloalkenyl, alkoxy, alkenyl, alkylthioalkenyl, or heterocyclic ring groups, optionally substituted.

287514

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