1.1: 4-(N,N-dimethlyamino)pyridine / tetrahydrofuran; water / 0.33 h / 20 °C
1.2: 12 h
2.1: pyridine / dichloromethane / 0.17 h / 0 °C
2.2: 3 h / 0 - 20 °C
3.1: ammonia / methanol / 0.17 h / 20 °C
View Scheme
参考文献
Batchu, Harikrishna; Batra, Sanjay
European Journal of Organic Chemistry, 2012 , # 15 p. 2935 - 2944