反应条件
1: 2) KOH / 1) ethanol, room temp. 1.5 h 2) reflux 5 h
2: 62 percent / 90percent H2O2, maleic anhydride / CH2Cl2 / 48 h / Ambient temperature
3: 15 percent / POCl3 / 1 h / Heating
View Scheme
参考文献
Watahiki, Hiroko; Tsutsui, Mayumi; Akita, Yasuo; Watanabe, Tokuhiro; Kurihara, Teruo
Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 465 - 473