Two new oleanane-type triterpenoid saponins, asterbatanoside B and C have been isolated from the roots of Aster batsngensis and their structures elucidated as -2a, 3P, 23-trihydroxyolean-12-en-28-cio acid -28-O-β-D-g...Two new oleanane-type triterpenoid saponins, asterbatanoside B and C have been isolated from the roots of Aster batsngensis and their structures elucidated as -2a, 3P, 23-trihydroxyolean-12-en-28-cio acid -28-O-β-D-glucopyranosyl-(1-6) β-Dglucopyranoside and 3-O-β-D-glucopyrsnosyl-2D, 3β, 23-trihydroxyolean-12-en-28-oicacid-28-O-β-D-glucopyranoside by means of spectral data and chemical evidence.展开更多
Two new triterpenoid saponins named asterbatanoside D and E have been isolated from Aster batgngensis and their structures elucidated as 3-O-β-D-glucopyranosyl-bayogenin-28-O- β-D-glucopyranosyl-(1→6)-β-D-glucopyr...Two new triterpenoid saponins named asterbatanoside D and E have been isolated from Aster batgngensis and their structures elucidated as 3-O-β-D-glucopyranosyl-bayogenin-28-O- β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside and 3-O-6'-acetyl-β-D-glucopyranosyl-bayogenin-28-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl. based on MS, 1D and 2D NMR techniques (COSY,TOCSY,ROESY, HMQC and HMBC), and Chemical reactions.展开更多
A new p-acetylphenyl glycoside,asterbatanoside A has been isolated from the roots of Aster batangensis, and its structure has been elucidated as p-hydroxyacetophenone- -O-α-D-xylopyranosyl-(1,6) -β-D-glucopyranosid...A new p-acetylphenyl glycoside,asterbatanoside A has been isolated from the roots of Aster batangensis, and its structure has been elucidated as p-hydroxyacetophenone- -O-α-D-xylopyranosyl-(1,6) -β-D-glucopyranoside by chemical and spectral means.For the confirmation of this structure. the synthesis of this compound was also reported in this paper.展开更多
文摘Two new oleanane-type triterpenoid saponins, asterbatanoside B and C have been isolated from the roots of Aster batsngensis and their structures elucidated as -2a, 3P, 23-trihydroxyolean-12-en-28-cio acid -28-O-β-D-glucopyranosyl-(1-6) β-Dglucopyranoside and 3-O-β-D-glucopyrsnosyl-2D, 3β, 23-trihydroxyolean-12-en-28-oicacid-28-O-β-D-glucopyranoside by means of spectral data and chemical evidence.
文摘Two new triterpenoid saponins named asterbatanoside D and E have been isolated from Aster batgngensis and their structures elucidated as 3-O-β-D-glucopyranosyl-bayogenin-28-O- β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside and 3-O-6'-acetyl-β-D-glucopyranosyl-bayogenin-28-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl. based on MS, 1D and 2D NMR techniques (COSY,TOCSY,ROESY, HMQC and HMBC), and Chemical reactions.
文摘A new p-acetylphenyl glycoside,asterbatanoside A has been isolated from the roots of Aster batangensis, and its structure has been elucidated as p-hydroxyacetophenone- -O-α-D-xylopyranosyl-(1,6) -β-D-glucopyranoside by chemical and spectral means.For the confirmation of this structure. the synthesis of this compound was also reported in this paper.
