Rui Hekai, Yuan Mingyao, Yu Qiumei, Ye Xiuqin, Qian Guanhua , Wang Kailiang, Jiang Dazhi, . THE STRUCTURE OF CUCURBITACIN Ⅱ GLYCOSIDEJ. Acta Pharmaceutica Sinica, 1981, 16(6): 445-447.
Citation: Rui Hekai, Yuan Mingyao, Yu Qiumei, Ye Xiuqin, Qian Guanhua , Wang Kailiang, Jiang Dazhi, . THE STRUCTURE OF CUCURBITACIN Ⅱ GLYCOSIDEJ. Acta Pharmaceutica Sinica, 1981, 16(6): 445-447.
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THE STRUCTURE OF CUCURBITACIN Ⅱ GLYCOSIDE

    Abstract
  • A new bitter principle, Cucurbitacin Ⅱ glycoside, C38 H60 O13, mp 154.2～158.2℃, αd7+44°, has been isolated from Hemsleya amabilis Diels. On the basis of spectroscopic 1H NMR and 13C NMR, acid hydrolysis or enzyme hydrolysis, the structure was. found to be 2-O-β-D-glucopyranosyl cucurbitacin.
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