2004 Terpenes

TerpenesU 0200 New Triterpenoid Saponins from the Roots of Sinocrassula asclepiadea. —

Eleven triterpenoid saponins, five triterpenoid monodesmosides, (I) and (II), and six bisdesmosides are isolated from the roots of S. asclepiadea along with one known sa-ponin and two phytoecdysteroids. Sinocrassulosides (Ib), (Ic) and (II) incorporate dif-ferent acyl groups in their glycosidic moieties and additionally, sinocrassulosides (II) contain a novel A-seco aglycone structure. — (ZHAO, J.; NAKAMURA, N.; HATTORI*, M.; YANG, X.-W.; KOMATSU, K.; QIU, M.-H.; Chem. Pharm. Bull. 52 (2004) 2, 230-237; Dep. Metab. Eng., Toyama Med. Pharm. Univ., Toyama 930-01, Japan; Eng.) — H. Hoennerscheid

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