Synthesis of Indolo[2,3-a]pyrrolo[3,4-c]carbazoles via the Oxidative Cyclization of Bisindolylmaleimides with Pd(TFA)<sub>2</sub>/Cu(OAc)<sub>2</sub>
作者:Xuan Pan、Ke Wang、Bao He Guan、Zhan Zhu Liu
DOI:10.1002/jhet.2134
日期:2015.5
A new synthetic approach for the synthesis of indolo[2,3‐a]pyrrolo[3,4‐c]carbazoles based on the Cu2+/Pd2+ catalytic system is described. The optimum condition is established via a systematic screening and utilized for the synthesis of four indolocarbazole aglycones with a satisfied yield.