| Abstract: | Partial syntheses of glycosides of oleanolic acid — the 3-0- -D-xylopyranoside (songoroside A), the 3,28-bis-0--D-xylopyranoside, and the 28-0--gentiobioside-3-0--D-xylopyranoside — and also the formation of 3-0--D-xylopyranosyloleanolic acid 13,28-lactone are described.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Institute of the Physiology and Experimental Pathology of High Mountain Regions of the Academy of Sciences of the KirgSSR, Frunze. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 668–673, September–October, 1979. |
