Triterpene saponins from Tetrapanax papyriferum K. KOCH

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KOJIMA K., Saracoglu I., MUTSUGA M., OGIHARA Y.

CHEMICAL & PHARMACEUTICAL BULLETIN, cilt.44, sa.11, ss.2107-2110, 1996 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 44 Sayı: 11
  • Basım Tarihi: 1996
  • Doi Numarası: 10.1248/cpb.44.2107
  • Dergi Adı: CHEMICAL & PHARMACEUTICAL BULLETIN
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.2107-2110
  • Hacettepe Üniversitesi Adresli: Evet

Özet

Four new oleanane-type saponins, papyrioside LA-LD, were isolated from the leaves of Tetrapanax papyriferum. The structures of these new compounds were elucidated as 11 alpha-hydroxy-3,21-dioxo-olean-12-en-28-oyl-alpha-L-rhamnopyranosyl-( 1-->4)-(6-O-acetyl-beta-D-glucopyranosyl)-(1-->6)-beta-D-glucopyranoside, 11 alpha-methoxy-3,21-dioxo-olean-12 -en-28-oyl-alpha-L-rhamnopyranosyl-(1-->4)-(6-O-acetyl-beta-D-glucopyranosyl)-(1-->6)-beta-D-glucopyranoside, 3 alpha-hydroxy-11 alpha-methoxy-21-oxo-olean-12-en-28-oyl-alpha-L-rhamnopyranosyl-(1-->4)-(6-O-acetyl-beta-D-glucopy- ranosyl)-(1-->6)-beta-D-glucopyranoside and 21 alpha-hydroxy-11 alpha-methoxy-3-oxo-olean-12-en-28-oyl-alpha-L-rhamnopy- ranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopy-ranoside, respectively, on the basis of spectroscopic and chemical evidence.