1: 83.4 percent / Et3N, (PH3P)2PdCl2, CuI / 4 h / Ambient temperature 2: 64.6 percent / K2CO3 / methanol / 5 h / Ambient temperature View Scheme

Multi-step reaction with 2 steps 1: 83.4 percent / Et3N, (PH3P)2PdCl2, CuI / 4 h / Ambient temperature2: 0.7 g / K2CO3 / methanol / 5 h / Ambient temperature