反应条件
1: 36.7 g / 4-dimethylaminopyridine / pyridine / 1. 0 deg C, 4 h, 2. room temperature, 20 h 2: pyridine / 1. 0 deg C, 2 h; 2. room temperature, overnight 3: 1. NaH / 1. DMF, 80 deg C, 1 h, 2. 100 deg C, 24 h View Scheme
参考文献
Holy, Antonin
Collection of Czechoslovak Chemical Communications, 1989 , vol. 54, # 1 p. 248 - 265