4-(4-iodo-2-methylphenyl)-2-methyl-3-thiosemicarbazide 、
三氟乙酸酐 、 以
甲苯 为溶剂,
以yielded 17.4 g of 3-trifluoromethyl-4,5-dihydro-1-methyl-4-(4-iodo-2-methylphenyl)-1,2,4-triazo1-5(1H)-thione as a solid, mp 104°-107° C., Compound 106 of Table 1的产率得到3-trifluoromethyl-4,5-dihydro-4-(4-iodo-2-methylphenyl)-1-methyl-1,2,4-triazol-5(1H)-thione