title: [The compounds from n-butanol fraction of Alpinia oxyphylla].
abstract: Nine compounds were isolated from the n-butanol fraction of 95% ethanol extract of the fruit of Alpinia oxyphylla Miq. with a combination of various chromatographic approaches, including MDS resin, silica gel, reverse phase C18 and preparative HPLC. On the basis of spectroscopic data analysis, they were elucidated as (1R, 4R, 10R)-1β, 4α-dihydroxy-11, 12, 13-trinor-5, 6-eudesmen-7-one (1), 1β, 4β-dihydroxy-11, 12, 13-trinor-8, 9-eudesmen-7-one (2), oxyphyllenone A (3), oxyphyllenone B (4), rhamnocitrin (5), staphylionoside D (6), benzyl-1-O-β-D-glucopyranoside (7), 2-O-β-D-glucopyranosyl-(1S)-phenylethylene glycol (8), and (S)-1-phenylethyl-β-D-glucopyranoside (9). Among them, compound 1 is a new sesquiterpene, named as oxyphyllenone C; compounds 8 and 9 are new natural products; compounds 2 and 6 were isolated from the genus Alpinia for the first time, and compound 7 was isolated from A. oxyphylla for the first time.
authors.forename: Bin-Bin
authors.initials: BB
authors.lastname: Xie
authors.forename: Lei
authors.initials: L
authors.lastname: Hou
authors.forename: Bao-Lin
authors.initials: BL
authors.lastname: Guo
authors.forename: Wen-Hua
authors.initials: WH
authors.lastname: Huang
authors.forename: Jing-Guang
authors.initials: JG
authors.lastname: Yu
mesh_terms: D020001:1-Butanol; D032429:Alpinia / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D005638:Fruit / Q000737:chemistry*; D064209:Phytochemicals / Q000737:chemistry / Q000302:isolation & purification*; D012717:Sesquiterpenes / Q000737:chemistry / Q000302:isolation & purification
chemical_list: D064209:Phytochemicals; D012717:Sesquiterpenes; D020001:1-Butanol