Ambident Properties of 4-Substituted Thiosemicarbazides in Condensations with Fluoroacetic Acids
作者:E. B. Vasil'eva、V. I. Filyakova、L. P. Sidorova、I. E. Filatov、V. N. Charushin
DOI:10.1007/s11178-005-0376-7
日期:2005.10
4-Substituted thiosemicarbazides react with di- and trifluoroacetic acids to give the corresponding 3-fluoroalkyl-4,5-dihydro-1,2,4-triazole-5(1H)-thiones. Condensation of 4,4-disubstituted thiosemicarbazides with trifluoroacetic acid leads to formation of 2-amino-5-trifluoromethyl-1,3,4-thiadiazoles.
4-取代的巯基咔嗪与二氟乙酸和三氟乙酸反应,生成相应的 3-氟烷基-4,5-二氢-1,2,4-三唑-5(1H)-硫酮。4,4-二取代的硫代氨基羰基化合物与三氟乙酸发生缩合反应,生成 2-氨基-5-三氟甲基-1,3,4-噻二唑。