Formation of diversified spiro-[imidazole-indene] derivatives from 2H-imidazoles: based on versatile propargyl alcohols†
Abstract
Rh(III)-Catalyzed efficient cascade annulation for the regioselective construction of various spiro-[imidazole-indene] derivatives has been reported by utilizing versatile propargyl alcohols as coupling partners. The type of propargyl alcohol plays a key role in tuning the combination state and controlling formation of different products.