New phenolic constituents from Smilax bracteata.
From the methanol extract of Smilax bracteata rhizomes, six new phenolic compounds, (2S,3S)-5-O-beta-D-glucopyranosyloxy-6-methyl-3'-methoxy-3,7,3'-trihydroxyflavan (1), (2S,3S)-5-O-beta-D-glucopyranosyloxy-6-methyl-4'-methoxy-3,7,4'-trihydroxyflavan (2), 3beta-(3',5'-dihydroxyphenyl)-2alpha-(4' '-hydroxyphenyl)dihydrobenzofuran-5-carbaldehyde (3), (1-p-O-coumaroyl-6-O-feruroyl)-beta-D-fructofuranosyl-alpha-D-glucopyranoside (4), (1-p-O-coumaroyl-3,6-di-O-feruroyl)-beta-D-fructofuranosyl-alpha-D-glucopyranoside (5), and (6-O-feruroyl)-beta-D-fructofuranosyl-(6-O-acetyl)-alpha-D-glucopyranoside (6) were isolated together with five known compounds. Their structures were established by spectral data interpretation.
Li
Shu Yuan
SY
Guangzhou Institute for Drug Control, 23 Xizeng Road, Xicun Guangzhou, 510160, People's Republic of China.
Fuchino
Hiroyuki
H
Kawahara
Nobuo
N
Sekita
Setsuko
S
Satake
Motoyoshi
M
D000956:Antigens, Viral / Q000187:drug effects; D002855:Chromatography, Thin Layer; D002942:Circular Dichroism; D006027:Glycosides / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D007564:Japan; D019668:Liliaceae / Q000737:chemistry*; D008519:Medicine, Traditional; D008968:Molecular Conformation; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D010636:Phenols / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D010946:Plants, Medicinal / Q000737:chemistry*; D027343:Rhizome / Q000737:chemistry; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
D000956:Antigens, Viral; C033305:Epstein-Barr virus early antigen; D006027:Glycosides; D010636:Phenols