One-pot synthesis of 4-ethyl 2,3-dimethyl 1-(5-aryl-1,3,4-thiadiazol-2-yl)-5-oxo-2,5-dihydro-1<i>H</i>-pyrrole-2,3,4-tricarboxylate derivatives via intramolecular Wittig reaction
作者:Samin Iravani、Abbas Ali Esmaeili
DOI:10.1177/1747519820903291
日期:2020.7
A facile one-pot synthesis of highly functionalized dialkyl 1-(5-aryl-1,3,4-thiadiazol-2-yl)-4-ethoxy-5-oxo-2,5-dihydro-1H-pyrrole-2,3-dicarboxylate derivatives via the reaction between acetylenic esters, triphenylphosphine, and ethyl 2-[(5-aryl-1,3,4-thiadiazol-2-yl)amino]-2-oxoacetate is developed. The structure of the products is confirmed by spectroscopic methods.
高度官能化的二烷基 1-(5-aryl-1,3,4-thiadiazol-2-yl)-4-ethoxy-5-oxo-2,5-dihydro-1H-pyrrole-2 的简便一锅合成,通过炔酸酯、三苯基膦和 2-[(5-芳基-1,3,4-噻二唑-2-基)氨基]-2-氧代乙酸乙酯之间的反应,开发了 3-二羧酸衍生物。产物的结构通过光谱方法确认。