Lupane-3β,28-diol, lupan-3β-ol, and friedelan-3β-ol were treated with m-chloroperbenzoic acid (mCPBA) in refluxing chloroform to afford corresponding lactones in one step, while lupane-3β,28-diyl diacetate, lupan-3β-yl acetate, and friedelan-3β-yl acetate to give hydroxylated or keto derivatives. Similar reaction of dendropanoxide with mCPBA yielded 6β-, 7β-, 21α-, and 22β-hydroxylated compounds.
Lupane-3β,28
-二醇、lupan-3β-ol 和 Friedelan-3β-ol 在回流
氯仿中用间
氯过
苯甲酸 (mCPBA) 一步处理得到相应的内酯,而 lupane-3β,28-二
乙酸二酯、lupan-3β-基
乙酸酯和friedelan-3β-基
乙酸酯得到羟基化或酮衍
生物。 dendropanoxy 与 mCPBA 发生类似反应,产生 6β-、7β-、21α- 和 22β- 羟基化化合物。