反应条件
1: 2N aq. NaOH / 1.) 55 deg C, 2 h, 2.) reflux 2 h 2: 1.) Na, EtOH, 2.) 2N aq. HCl / 1.) reflux, 1 h, 2.) EtOH, reflux, 30 min View Scheme
参考文献
Liu, Jia; Zheng, Can-Hui; Ren, Xiao-Hui; Zhou, Feng; Li, Wei; Zhu, Ju; Lv, Jia-Guo; Zhou, You-Jun
Journal of Medicinal Chemistry, 2012 , vol. 55, # 12 p. 5720 - 5733