Synthesis of novel thiazolidin-4-ones by reaction of malonthioamide derivatives with dimethyl acetylenedicarboxylate
作者:Vera S. Berseneva、Alexey V. Tkachev、Yury Yu. Morzherin、Wim Dehaen、Ingrid Luyten、Suzanne Toppet、Vasiliy A. Bakulev
DOI:10.1039/a803543a
日期:——
Novel 2,5-dimethylenethiazolidin-4-one derivatives have been prepared by reaction of malonthioamide derivatives with dimethyl acetylenedicarboxylate. These compounds exist as separate (E,Z)- and (Z,Z)-isomers or as a mixture. The (E,Z)-isomer is formed as the initial product which transforms to the (Z,Z)-isomer under mild conditions. The structures of the obtained compounds have been confirmed by IR
通过丙二硫酰胺衍生物与乙炔二羧酸二甲酯的反应已经制备了新的2,5-二亚甲基噻唑烷-4-酮衍生物。这些化合物以单独的(E,Z)-和(Z,Z)异构体或混合物形式存在。(E,Z)-异构体形成为初始产物,其在温和条件下转变为(Z,Z)-异构体。所获得的化合物的结构已经通过IR和NMR光谱确认。