反应条件
hydrogenchloride; potassium hydroxide
1.) acetic anhydride, 100 deg C, O.5 h, then 120-130 deg C, 3 h; 2.) aq. ethanol, reflux, 5 h; Yield given. Multistep reaction;
参考文献
Ohnmacht, Cyrus J.; Draper, Clyde W.; Dedinas, Robert F.; Loftus, Philip; Wong, J. J.
Journal of Heterocyclic Chemistry, 1983 , vol. 20, p. 321 - 329
