[Chemical constituents of Pileostegia viburnoides var. glabrescens]. 2012

Ju-ying Zou, and Sheng-huang Chen, and Qin-wen Li, and Yang-wen Ou, and Han-jun Chen, and Wei Wang
Key Lab of Modernization of Chinese Medicine, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China. bingfei86@yahoo.com.cn

OBJECTIVE To study the chemical constituents of Pileostegia viburnoides var. glabrescens. METHODS The compounds were isolated and purified by various techniques. Their structures were determined by physicochemical properties and spectral analysis. RESULTS Five compounds were isolated and identified as friedelin (1), beta-sitosterol (2), umbelliferone (3), daucosterol (4) and skimmin (5). CONCLUSIONS All the compounds were isolated from this genus for the first time.

UI MeSH Term Description Entries
D009682 Magnetic Resonance Spectroscopy Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING). In Vivo NMR Spectroscopy,MR Spectroscopy,Magnetic Resonance,NMR Spectroscopy,NMR Spectroscopy, In Vivo,Nuclear Magnetic Resonance,Spectroscopy, Magnetic Resonance,Spectroscopy, NMR,Spectroscopy, Nuclear Magnetic Resonance,Magnetic Resonance Spectroscopies,Magnetic Resonance, Nuclear,NMR Spectroscopies,Resonance Spectroscopy, Magnetic,Resonance, Magnetic,Resonance, Nuclear Magnetic,Spectroscopies, NMR,Spectroscopy, MR
D012855 Sitosterols A family of sterols commonly found in plants and plant oils. Alpha-, beta-, and gamma-isomers have been characterized.
D014315 Triterpenes A class of terpenes (the general formula C30H48) formed by the condensation of six isoprene units, equivalent to three terpene units. Triterpene,Triterpenoid,Triterpenoids
D014468 Umbelliferones 7-Hydroxycoumarins. Substances present in many plants, especially umbelliferae. Umbelliferones are used in sunscreen preparations and may be mutagenic. Their derivatives are used in liver therapy, as reagents, plant growth factors, sunscreens, insecticides, parasiticides, choleretics, spasmolytics, etc. 7-Hydroxycoumarins,Hydrangin,Skimmetin,7 Hydroxycoumarins
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D031995 Saxifragaceae The saxifrage plant family of the order SAXIFRAGALES, class Magnoliopsida. The leaves are alternate and sometimes deeply lobed or form rosettes. The flowers have both male and female parts and 4 or 5 sepals and petals; they are usually in branched clusters. The fruit is a capsule with many seeds. Saxifraga,Saxifrage

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