Four new ursane-type triterpenes, olibanumols K (1), L (2), M (3), and N (4), were isolated from traditional Egyptian medicine olibanum, the exuded gum-resin from Boswellia carterii BIRDW. Their structures were elucidated on the basis of chemical and physicochemical evidence.
从埃及传统药物橄榄油(Boswellia carterii BIRDW 的渗出胶树脂)中分离出了四种新的熊烷型三萜类化合物,即橄榄油醇 K (1)、L (2)、M (3) 和 N (4)。根据化学和物理化学证据阐明了它们的结构。