new triterpenoid saponins from the roots of sinocrassula asclepiadea

2004 Terpenes Terpenes U 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 saponin 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 31- 146

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Page 1: New Triterpenoid Saponins from the Roots of Sinocrassula asclepiadea

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

31- 146

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