反应条件
sulfuric acid; sodium ethanolate 1) EtOH, reflux 4 h; 2) r.t., 2 h; Yield given. Multistep reaction;
参考文献
Jilek, Jiri; Holubek, Jiri; Svatek, Emil; Metys, Jan; Frycova, Hana; et al.
Collection of Czechoslovak Chemical Communications, 1988 , vol. 53, # 4 p. 870 - 883