1: 86 percent / methanol / 0 °C 2: 92 percent / N,N-dimethyl-acetamide / 10 h / 140 - 142 °C View Scheme
参考文献
SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES; Zuo, Jianping; Hu, Youhong; Tang, Wei; Chao, Bo; Tong, Xiankun; Li, Dewen; Ji, Feihong; He, Peilan
Patent: US2013/261139 A1, 2013 ;