Structure of a pentacyclic triterpene alcohol fromCentaurea aquarrosa

Summary The structure of a previously unknown pentacyclic triterpene isolated fromCentaurea squarrosa Willd. has been established. It is urs-20(3)-en-3-ol (I).A. L. Mndzhoyan Institute of Fine Organic Chemistry, Academy of Sciences of the Armeniam SSR, Erevan. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 59–69, January–February, 1977.