反应条件
Multi-step reaction with 3 steps 1: 1) C2H5ONa 2) hydrochloric acid / 1) reflux, 14 h, 2) reflux, 3 h2: 50 percent / 48percent aq. HBr / 19 h / Heating3: 81 percent / K2CO3 / acetone / 2 h / Heating
参考文献
Shiotani, Shunsaku; Morita, Hiroyuki Journal of Heterocyclic Chemistry, 1986 , vol. 23, # 3 p. 665 - 668
