反应条件
1: 62 percent / 98percent H2SO4 / 1) 6h, 2) 48h, room temp.
2: methanol / 1) 10 min, reflux, 2) ice-box, overnight
View Scheme
参考文献
Singh, G. B.; Jetley, Aruna; Rathore, H. G. S.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 1 p. 76 - 77