反应条件
1.1: sodium carbonate / methanol; water / 4 h / 40 °C 1.2: 20 °C 2.1: 4-(N,N-dimethlyamino)pyridine / pyridine / 3 h / |Inert atmosphere; |Reflux 3.1: sodium dithionite; sodium hydrogencarbonate / water; toluene / 3 h / |Reflux 4.1: sodium tetrahydroborate / methanol / 0.5 h / -10 °C 4.2: 1 h / 40 °C View Scheme
参考文献
Wang, Chunli; Chen, Xiaoyu; Huang, Yaoqing; Yang, Jesse; Chen, Ying
Steroids, 2013 , vol. 78, # 14 p. 1339 - 1346
