Two Tannins from Phyllanthus tenellus

Two novel tannins, pinocembrin-7-O-[4‘‘,6‘‘-(S)-hexahydroxydiphenoyl]-β-d-glucose (1) and pinocembrin-7-O-[3‘‘-O-galloyl-4‘‘,6‘‘-(S)-hexahydroxydiphenoyl]-β-d-glucose (2) were isolated from Phyllanthus tenellus. The structures of new tannins were established on the basis of spectral and chemical evi...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 1998-04, Vol.61 (4), p.523-524
Main Authors: Huang, Yu-Lin, Chen, Chien-Chih, Hsu, Feng-Lin, Chen, Chieh-Fu
Format: Article
Language:English
Subjects:
ASTRAGALIN
Biological and medical sciences
CHEMICAL COMPOSITION
CHEMICAL STRUCTURE
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
CORILAGIN
ESPECTROMETRIA
ESTRUCTURA QUIMICA
FLAVONOIDE
FLAVONOIDES
FLAVONOIDS
GALLIC ACID
General pharmacology
GERANIIN
LIGNANAS
LIGNANE
LIGNANS
Medical sciences
MYRICITRIN
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
PHYLLANTHUS
PHYLLANTHUS NIRURI
PHYLLANTHUS VIRGATUS
QUERCITRIN
SPECTRAL ANALYSIS
SPECTROMETRIE
SPECTROMETRY
STRUCTURE CHIMIQUE
TAIWAN
TANINOS
TANNIN
TANNINS
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Summary:Two novel tannins, pinocembrin-7-O-[4‘‘,6‘‘-(S)-hexahydroxydiphenoyl]-β-d-glucose (1) and pinocembrin-7-O-[3‘‘-O-galloyl-4‘‘,6‘‘-(S)-hexahydroxydiphenoyl]-β-d-glucose (2) were isolated from Phyllanthus tenellus. The structures of new tannins were established on the basis of spectral and chemical evidence.
ISSN:0163-3864
1520-6025
DOI:10.1021/np970428k