Potassium phthalimide: An efficient and green organocatalyst for the synthesis of 4-aryl-7-(arylmethylene)-3,4,6,7-tetrahydro-1H- cyclopenta[d]pyrimidin-2(5H)-ones]thiones under solvent-free conditions
2014
在一个一个壶, cyclopentanone 的多部件 cyclocondensation 反应,醛,和 urea/thiourea 把钾 phthalimide 用作绿、温和、商业地可得到的 organocatalyst 的 Biginelli 类型混合物的有效合成被报导。现在的方法论是一条绿途径存取 4-aryl-7-(arylmethylene )-3,4,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-2(5H)-ones/thiones。它提供象简单运作的过程,危险器官的溶剂的无用,和便宜、环境地友好的稳固的基本催化剂那样的几个优点。
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