Synthesis of phenanthridin-6-yldiphenylphosphine oxides by oxidative cyclization of 2-isocyanobiphenyls with diarylphosphine oxides
作者:Yuewen Li、Guanyinsheng Qiu、Qiuping Ding、Jie Wu
DOI:10.1016/j.tet.2014.05.039
日期:2014.8
A Mn(III)-promoted oxidative cyclization of 2-isocyanobiphenyls with diarylphosphineoxides is reported, providing phenanthridin-6-yldiphenylphosphine oxides in good yields. Radical phosphonation and isocyanide insertion are believed to be involved in the reaction process.