Fig. 1
From: External oxidant-free electrooxidative [3 + 2] annulation between phenol and indole derivatives
Synthesis of benzofuro[3,2-b]indolines. a Synthesis of benzofuro[3,2-b]indolines by Vincent and co-workers. b Electrochemical synthesis of benzofuro[3,2-b]indolines under external oxidant-free conditions
