反应条件
1: 62 percent / MeONa / methanol / Heating 2: 100 percent / pyridine / 5 °C 3: dimethylformamide / 100 °C 4: 1.) MeONa, 2.) trifluoroacetic acid / 1.) MeOH, r.t., 2.) H2O, r.t. View Scheme
参考文献
Setoi, Hiroyuki; Takeno, Hidekazu; Hashimoto, Masashi
Heterocycles, 1986 , vol. 24, # 5 p. 1261 - 1264
