Synthesis and anticancer activity of γ-(triazolyl ethylidene)butenolides and polyfunctional pyrrolinones
作者:N. Devender、K.K.G. Ramakrishna、Hamidullah、Sanjeev K. Shukla、Rituraj Konwar、Rama P. Tripathi
DOI:10.1016/j.ejmech.2014.05.042
日期:2014.7
ethylidene)butenolides (4–23) were prepared from commercially available l-ascorbic acid in good yields. These butenolides on reaction with ethanolic ammonia/amines led to formation of respective 5-hydroxy pyrrolinones (24–33). The two of these pyrrolinones on dehydration with p-toluenesulfonic acid, were transformed into γ-(triazolyl ethylidene)pyrrolinones (34, 35). Among all the newly synthesized hybrid
一系列新颖的γ-(三唑基亚乙基)丁烯羟酸内酯的(4 - 23)从可商购的制备升以良好的收率抗坏血酸。与乙醇氨反应这些丁烯羟酸内酯/胺导致形成相应的5-羟基pyrrolinones(的24 - 33)。用对甲苯磺酸脱水后,将其中的两个吡咯烷酮转化为γ-(三唑基亚乙基)吡咯烷酮(34、35)。在所有新测试的体外抗癌活性杂合分子中,化合物24、25、26、27、28、30和32对MCF-7,MDA-MB-231,PC-3或U-937细胞显示出显着活性。特别是化合物25(IC 50 = 11.3μM)对乳腺癌细胞表现出最强的活性,初步研究表明,该化合物的效力归因于ROS的产生,随后p38的活化,导致凋亡和癌细胞的抑制。