Abstract: | On the basis of the results of a study of the sesquiterpene lactone ajanin fromAjania fastigiate (Winkl.) Poljak. by the methods of IR and PMR spectroscopy and chemical transformations, its structure has been established as 3,4,8-trihydroxy-5,6,7(H)-guaia1(10),11(13)-dien-6,12-olide.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 785–787, November–December, 1979. |