A solution of 3-methylthio-(1H)-1,2,4-triazole (0.2 g, 1.6 mmol)
in methanol/acetonitrile (40 mL, 1/1) was treated with silver(I)
nitrate (0.147 g, 0.8 mmol). The reaction mixture was stirred for
8 h at room temperature and was refluxed for 24 h. After completion
of the reaction, which was monitored by TLC using ethyl acetate:
petroleum ether (1:2) as eluent, the solid crude was filtered
and washed with cold methanol (10 mL).
Yield: 0.97 g (74%), mp.: 227 C; elemental analysis