Abstract
Two new acetylated flavan glycosides (2S,4R)-4,5,7-trihydroxy-4'-methoxy-6,8-dimethylflavan-5-O-β-D-6-acetylglucopyranoside-7-O-β-D-glucopyranoside (1) and (2S,4R)-5,7-dihydroxy-4,4'-dimethoxy-6,8-dimethylflavan-5-O-β-D-6-acetylglucopyranoside-7-O-β-D-glucopyranoside (2) were isolated from the rhizomes of Abacopteris penangiana. Their structures were elucidated on the basis of spectroscopic methods including IR, HR-ESI-MS, 1D and 2D NMR, and chemical evidences.
MeSH terms
-
Acetylation
-
Antineoplastic Agents, Phytogenic / chemistry
-
Antineoplastic Agents, Phytogenic / isolation & purification*
-
Antineoplastic Agents, Phytogenic / pharmacology
-
Drug Screening Assays, Antitumor
-
Drugs, Chinese Herbal / chemistry
-
Drugs, Chinese Herbal / isolation & purification*
-
Drugs, Chinese Herbal / pharmacology
-
Ferns / chemistry*
-
Flavonoids / chemistry
-
Flavonoids / isolation & purification*
-
Flavonoids / pharmacology
-
Glucosides / chemistry
-
Glucosides / isolation & purification*
-
Glucosides / pharmacology
-
Glycosides / chemistry
-
Glycosides / isolation & purification*
-
Glycosides / pharmacology
-
Hep G2 Cells
-
Humans
-
Molecular Structure
-
Nuclear Magnetic Resonance, Biomolecular
-
Rhizome / chemistry
Substances
-
(2S,4R)-4,5,7-trihydroxy-4'-methoxy-6,8-dimethylflavan-5-O-beta-D-6-acetylglucopyranoside-7-O-beta-D-glucopyranoside
-
(2S,4R)-5,7-dihydroxy-4,4'-dimethoxy-6,8-dimethylflavan-5-O-beta-D-6-acetylglucopyranoside-7-O-beta-D-glucopyranoside
-
Antineoplastic Agents, Phytogenic
-
Drugs, Chinese Herbal
-
Flavonoids
-
Glucosides
-
Glycosides