1: With 4-(N,N-dimethlyamino)pyridine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride in dichloromethane T=0 - 20°C; 2: in dichloromethane; ethyl acetate 0.5 h; Reflux;

1: 93 percent / 1,1'-carbonyldiimidazole / CH2Cl2 / 24 h / Ambient temperature 2: 41 percent / ethyl acetate / 0.58 h / Heating View Scheme

暂无反应条件数据

(COBr)2; N,N-dimethyl-formamide in dichloromethane T=0°C; 0.25 h;