反应条件
1: 70 percent / 190 - 210 °C
2: 1.) POCl3 / 1.) room temperature, 30 min; 2.) DMF, 37-38 deg C, 2 h
3: 90 percent / 90percent N2H4*H2O / 1 h / Heating
View Scheme
参考文献
Monge, A.; Palop, J. A.; Goni, T.; Martinez, A.; Fernandez-Alvarez, E.
Journal of Heterocyclic Chemistry, 1984 , vol. 21, p. 381 - 384
