Unusual Reactivity of 2,3-diphenylcyclopropenone towards <i>N</i>-imidoylthioureas; Facile Synthesis of 3-aryl-2,5,6-triphenylpyrimidin-4(3<i>H</i>)-one (PART III)
作者:Ashraf A. Aly、Ahmed M. NourEl-Din、Moshen A.-M. Gomaa、Alan B. Brown、Magda S. Fahmi
DOI:10.3184/030823407x234563
日期:2007.8
2,3-Diphenylcyclopropenone (1) reacts with N-imidoylthioureas 2a–e to form the pyrimidin-4(3 H)-ones 5a–e. The reaction mechanism can be described as due to stepwise addition accompanied by elimination of phenyl isothiocyanate.