反应条件
1: chakasaponin VI With potassium hydroxide; water in 1,4-dioxane T=37°C; 1 h; 2: p-nitrobenzyl -N,N'-diisopropylisourea in dichloromethane T=80°C; 1 h;
参考文献
Yoshikawa, Masayuki; Sugimoto, Sachiko; Nakamura, Seikou; Matsuda, Hisashi
Chemical and Pharmaceutical Bulletin, 2008 , vol. 56, # 9 p. 1297 - 1303
