A new diterpenoid trisaccharide, smithoside A, was isolated from Aster smithianus. Itsstructure was identified as pimar-15 (16)-β-en-3β, 8β, 11α-triol-3-O-β-D-glucopyranosyl (1→3)-[β-glucopyranosyl (1→2)]-β-D...A new diterpenoid trisaccharide, smithoside A, was isolated from Aster smithianus. Itsstructure was identified as pimar-15 (16)-β-en-3β, 8β, 11α-triol-3-O-β-D-glucopyranosyl (1→3)-[β-glucopyranosyl (1→2)]-β-D-glucopyranoside on the basis of the spectral and chemical methods.展开更多
文摘A new diterpenoid trisaccharide, smithoside A, was isolated from Aster smithianus. Itsstructure was identified as pimar-15 (16)-β-en-3β, 8β, 11α-triol-3-O-β-D-glucopyranosyl (1→3)-[β-glucopyranosyl (1→2)]-β-D-glucopyranoside on the basis of the spectral and chemical methods.