Carbon radical addition–cyclization reaction induced by ruthenium-photocatalyst under visible light irradiation

作者: Eito Yoshioka , Shigeru Kohtani , Eri Tanaka , Yukari Hata , Hideto Miyabe

DOI: 10.1016/J.TET.2014.12.068

关键词: RutheniumPhotocatalysisPhotochemistryCatalysisCarbonRadical cyclizationChemistryChlorineRadical ionTrifluoromethyl

摘要: In the presence of Ru(bpy)3Cl2·6H2O and (i-Pr)2NEt, photo-induced cascade radical addition–cyclization–trapping reaction proceeded in aqueous media. When i-C3F7I was employed as a precursor, iodine atom-transfer cyclization even absence (i-Pr)2NEt. Under conditions, ICH2CN ICH2CF3 also worked well carbon precursors. The reductive electron-transfer to CF3SO2Cl promoted chlorine cyclization.

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