反应条件
1: 1) N2H4*H2O, 2) KOH / 1a) diethylene glycol / 0 deg C, b) 1h reflux, 2a)1h reflux b) 180 deg C / 4h
2: 23 percent / sulfur / 2 h / 250 °C
View Scheme
参考文献
Menicagli, Rita; Piccolo, Oreste
Journal of Organic Chemistry, 1980 , vol. 45, # 13 p. 2581 - 2585
