title: Chemical of Vitex trifolia.
abstract: A new steroidal ester, beta-rosaterol palmitate (1) along with ten known compounds, uvaol(2), 3-epi-ursolic acid (3), 2alpha, 3beta, 24-trihydroxyolean-12-en-28-oic acid (4), 2alpha, 3alpha, 24-trihydroxyurs-12-en-28-oic acid (5), 2alpha, 3alpha, 24-trihydroxyolean-12-en-28-oic acid (6), 2alpha, 3alpha, 24-trihydroxyolean-12-en-28-oic acid-28-O-beta-D-glucopyranosyl ester (7), (Z)-9-hexadecenoic acid (8), octacosyl alcohol (9), beta-sitosterol (10) and beta-daucosterol (11), has been isolated from the stems and leaves of Vitex trifolia. Their structures were elucidated using a combination of 1D and 2D NMR techniques (COSY, HMQC, and HMBC)and HR-ESI-MS analyses. Compounds 2-7 were isolated from this plant for the first time.
authors.forename: Quan-Yu
authors.initials: QY
authors.lastname: Liu
authors.forename: Yong-Sheng
authors.initials: YS
authors.lastname: Chen
authors.forename: Fei
authors.initials: F
authors.lastname: Wang
authors.forename: Shi-Wu
authors.initials: SW
authors.lastname: Chen
authors.forename: Yong-Hong
authors.initials: YH
authors.lastname: Zhang
mesh_terms: D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D021241:Spectrometry, Mass, Electrospray Ionization; D020950:Vitex / Q000737:chemistry*
chemical_list: D004365:Drugs, Chinese Herbal