反应条件
Multi-step reaction with 3 steps 1: 1.) NaOH / 1.) ethanol, 70 deg C, 30 min, 2.) ethanol, reflux, 4 h2: SOCl2 / toluene / 1 h / 90 °C3: 1.) 60percent NaH / 1.) DMF, 80 deg C, 30 min, 2.) DMF, 100 deg C, 4 h
参考文献
Kawashima; Kameo; Kato; Hasegawa; Tomisawa; Hatayama; Hirono; Moriguchi Chemical and Pharmaceutical Bulletin, 1992 , vol. 40, # 3 p. 774 - 777
