A facile synthesis of novel 3-(aryl/alkyl-2-ylmethyl)-2-thioxothiazolidin-4-ones using microwave heating
作者:Sukanta Kamila、Haribabu Ankati、Emily Harry、Edward R. Biehl
DOI:10.1016/j.tetlet.2012.02.064
日期:2012.4
reaction of 3-(aryl/alkyl-2-ylmethyl)-2-thioxothiazolidin-4-ones (3a–d) with suitably substituted 2-(1H-indol-3-yl)2-oxoacetaldehydes (6a–g) under microwave conditions. The thioxothiazolidin-4-ones were prepared from the corresponding aryl/alkyl amines (1a–d) and di-(carboxymethyl)-trithiocarbonyl (2). The aldehydes (6a–g) were synthesized from the corresponding acid chlorides (5a–g) using HsnBu3.
(Z)-5-(2-(1 H-吲哚-3-基)-2-氧代亚乙基)-3-(芳基/烷基-2-基甲基)-2-硫代噻唑烷酮-4-酮(7a – w)具有通过3-(芳基/烷基-2-基甲基)-2-硫代噻唑啉酮-4-酮(3a–d)与适当取代的2-(1 H-吲哚-3-基)2-氧乙醛的Knoevenagel缩合反应合成(6a–g)在微波条件下。由相应的芳基/烷基胺(1a–d)和二-(羧甲基)-三硫代羰基(2)制备噻吩并恶唑烷-4-酮。使用HsnBu由相应的酰氯(5a–g)合成醛(6a–g)3。