A simple and catalyst-free three-component method for the synthesis of spiro[indenopyrazolopyridine indoline]diones and spiro[indenopyridopyrimidine indoline]triones
作者:Ghazaleh Imani Shakibaei、Afsaneh Feiz、Ayoob Bazgir
DOI:10.1016/j.crci.2010.10.001
日期:2011.6
An efficient, simple and catalyst-free synthesis of spiro[indeno[1,2-b]pyrazolo[4,3-e]pyridine indoline]diones and spiro[acenaphthylene-indeno[1,2-b]pyrazolo[4,3-e]pyridine]diones by the three-component reaction of 1,3-indandione, pyrazol-5-amines and isatins or acenaphthylene-1,2-dione in refluxing ethanol is reported. Reaction of 2,6-diaminopyrimidin-4(3H)-one with 1,3-indandione and isatins resulted
摘要 一种高效、简单且无催化剂的合成螺[茚并[1,2-b]吡唑并[4,3-e]吡啶二氢吲哚]二酮和螺[苊-茚并[1,2-b]吡唑并[4, 3-e]吡啶]二酮通过 1,3-茚二酮、吡唑-5-胺和靛红或苊-1,2-二酮在回流乙醇中的三组分反应得到报道。2,6-diaminopyrimidin-4(3H)-one 与 1,3-indandione 和靛红的反应导致形成 1H-spiro[indeno[1,2-b]pyrido[2,3-d]pyrimidine-5 ,3'-二氢吲哚]-2',4,6(11H)-三酮。