Reaction of thiosemicarbazide with 1,3-dibromopropyne

被引：0
|
作者：
K. A. Volkova
A. S. Nakhmanovich
S. V. Amosova
机构：
[1] Russian Academy of Sciences,Favorskii Irkutsk Institute of Chemistry, Siberian Division
来源：
Russian Journal of Organic Chemistry | 2007年 / 43卷
关键词：
Thiazole; Aqueous Ethanol; Thiosemicarbazones; Thiosemicarbazide; Hydrobromide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thiosemicarbazide reacted with an equimolar amount of 1,3-dibromopropyne in aqueous ethanol (1:1) to give (4-bromomethylidenethiazolidin-2-ylidene)hydrazine hydrobromide. The reaction of thiosemicarbazide with 2 equiv of 1,3-dibromopropyne in ethanol on heating resulted in the formation of 3,6-bis-(bromomethylidene)-3,4,6,7-tetrahydro-2H-thiazolo[2,3-c][1,2,4]triazine hydrobromide. The corresponding free base was obtained when the reaction performed in the presence of triethylamine.
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页码：1379 / 1381
页数：2
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