Free accessResearch articleFirst published online 2007-8
Unusual Reactivity of 2,3-diphenylcyclopropenone towards N -imidoylthioureas;Facile Synthesis of 3-aryl-2,5,6-triphenylpyrimidin-4(3 H )-one (PART III)
2,3-Diphenylcyclopropenone (1) reacts with N-imidoylthioureas 2a–e to form the pyrimidin-4(3H)-ones 5a–e. The reaction mechanism can be described as due to stepwise addition accompanied by elimination of phenyl isothiocyanate.
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