反应条件
1: 82 percent / p-toluenesulfonic acid / methanol / 24 h / Ambient temperature
2: 1.) H2SO4, 2.) aq. NaOH / 1.) ethanol, reflux, 1 h, 2.) 60 deg C, 0.5 h
View Scheme
参考文献
Turski, K.; Draminski, M.
Polish Journal of Chemistry, 1993 , vol. 67, # 11 p. 1973 - 1980