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1. (Article ID: 12248)
 
Huang J, Ogihara Y, Zhang H, Shimizu N, Takeda T
Ardisimamillosides C-F, four new triterpenoid saponins from Ardisia mamillata
Chemical and Pharmaceutical Bulletin 48(10) (2000) 1413-1417
 

Four new triterpenoid saponins, ardisimamilloside C (1), 3-O-{α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranosyl}-3β, 16α, 28, 30-tetrahydroxy-olean 12-en, ardisimamilloside D (2), 3-Or-{α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranosyl}-3β, 15α, 28, 30-tetrahydroxy-olean-12-en, ardisimamilloside E (3), 3-O-{α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranosyl}-13β, 28-epoxy-3β, 16α, 29-oleananetriol, and ardisimamilloside F (4), 3-O-{α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranosyl}-3β, 16α-dihydroxy-13β, 28-epoxy-oleanan-30-oic acid were isolated from the roots of Ardisia mamillata HANCE. Structure assignments were established on the basis of highresolution (HR)-FAB-MS, 1H-, 13C-, and two-dimensional (2D)-NMR spectra, and on the chemical evidence.

D, triterpenoid saponin, E, F, Myrsinaceae, Ardisia mamillata, ardisimamilloside C

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2. (Article ID: 12249)
 
Huang J, Ogihara Y, Zhang H, Shimizu N, Takeda T
Triterpenoid saponins from Ardisia mamillata
Phytochemistry 54(8) (2000) 817-822
 

Two saponins were isolated from the roots of Ardisia mamillata HANCE. Their structures were established on the basis of MALDI-TOFMS, 1H, 13C NMR and 2D NMR (COSY, HOHAHA, HETCOR, HMBC and ROESY) spectra, and on chemical evidence, to be ardisimamilloside A, 3-O-{α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranosyl}-3β, 16α,28α-trihydroxy-13β,28-epoxy-oleanan-30-al; and ardisimamilloside B, 3-O-{α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranosyl}-3β-hydroxy-13β,28-epoxy-oleanan-16-oxo-30-al.

triterpenoid saponin, Myrsinaceae, Ardisia mamillata, ardisimamilloside A, ardisimamilloside B

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