Reactions of Dimethyl Ethynedicarboxylate with (Substituted Ethylidene)hydrazinecarbothioamides
作者:Alaa A. Hassan、Yusria R. Ibrahim、Ashraf A. Aly、Essmat M. El-Sheref、Takehiko Yamato
DOI:10.1002/jhet.712
日期:2013.5
The reaction of (substituted ethylidene)hydrazinecarbothioamides 4a, 4b, 4c, 4d, 4e, 4f, 4g with dimethyl ethynedicarboxylate (DMAD, 2) gave [(substituted ethylidene)hydrazono)‐4‐oxothiazolidine‐5‐ylidene]acetates 7a, 7b, 7c, 7d, 7e, 7f, 7g (71–88 %). The structure of the new compounds was established by infrared spectroscopy, mass spectrometry, and NMR spectroscopy.
(取代的亚乙基)肼基碳硫磺酰胺4a,4b,4c,4d,4e,4f,4g与乙炔二甲酸二甲酯(DMAD,2)的反应产生了[(取代的亚乙基)肼基)-4-氧噻唑烷-5-亚基]乙酸盐7a,7b,7c,7d,7e,7f,7g(71–88%)。通过红外光谱,质谱和NMR光谱确定了新化合物的结构。