Method of making 4-amino-6-t-butyl-3-mercapto-1,2,4-triazin-5-on

Details Method of making 4-amino-6-t-butyl-3-mercapto-1,2,4-triazin-5-on Method of making 4-amino-6-t-butyl-3-mercapto-1,2,4-triazin-5-on

1974-10-11

1977-03-22

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260455R, 260487, 260561HL, 2605026, 260546, 260544Y, 260539R, 260295S, C07D25306

Patent

active

040136493

ABSTRACT:
Method of making 4-amino-6-t-butyl-3-mercapto-1,2,4-triazin-5-one comprising halogenating a 3,3-dimethylbutyric acid with Br.sub.2 or Cl.sub.2 to produce a 2,2-dihalo-3,3-dimethylbutyric acid then reacting the latter with thiocarbohydrazide. Alternatively, a 3,3-dimethylbutyryl chloride can be used as starting material, in which case the halogenation product is contacted with water, an aqueous base, an alcohol, a mercaptan, or an amine to convert it to an acid or salt thereof, anhydride, ester, thioester or amide, and the latter is reacted with thiocarbohydrazide.

REFERENCES:
patent: 3544570 (1970-12-01), Timmler et al.

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