A unified photoredox-catalysis strategy for C(sp<sup>3</sup>)–H hydroxylation and amidation using hypervalent iodine
作者:Guo-Xing Li、Cristian A. Morales-Rivera、Fang Gao、Yaxin Wang、Gang He、Peng Liu、Gong Chen
DOI:10.1039/c7sc02773g
日期:——
unified photoredox-catalysis strategy for both hydroxylation and amidation of tertiary and benzylic C-H bonds. Use of hydroxyl perfluorobenziodoxole (PFBl-OH) oxidant is critical for efficient tertiary C-H functionalization, likely due to the enhanced electrophilicity of the benziodoxole radical. Benzylic methylene C-H bonds can be hydroxylated or amidated using unmodified hydroxyl benziodoxole oxidant Bl-OH