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ent-Kaurane glycosides from Tricalysia okelensis. 2010

Wen-Hui Xu, and Melissa Ruth Jacob, and Ameeta Kishore Agarwal, and Alice Mae Clark, and Zong-Suo Liang, and Xing-Cong Li
National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, The University of Mississippi, University, MS 38677, USA.

Tricalysiosides V and W, two new ent-kaurane glycosides with an acylated disaccharide moiety at the C-3 position, were isolated from the roots of Tricalysia okelensis and their structures established by spectroscopic and chemical methods as ent-kauran-3alpha,16alpha,17-triol-19-al 3-O-[5-O-vanilloyl-beta-D-apiopyranosyl(1-->6)]-beta-D-glucopyranoside (1) and ent-kauran-3alpha,16alpha,17-triol-19-al 3-O-[5-O-E-sinapoyl-beta-D-apiopyranosyl(1-->6)]-beta-D-glucopyranoside (2).

UI MeSH Term Description Entries
D006027 Glycosides Any compound that contains a constituent sugar, in which the hydroxyl group attached to the first carbon is substituted by an alcoholic, phenolic, or other group. They are named specifically for the sugar contained, such as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. Upon hydrolysis, a sugar and nonsugar component (aglycone) are formed. (From Dorland, 28th ed; From Miall's Dictionary of Chemistry, 5th ed) Glycoside
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
D045786 Diterpenes, Kaurane A group of DITERPENES cyclized into four rings. Ent-Kaurane,Ent-Kaurene,Kaurane,Kaurane Diterpenoid,Kaurane Diterpenoids,Ent-Kauranes,Ent-Kaurenes,Kauranes,Diterpenoid, Kaurane,Diterpenoids, Kaurane,Ent Kaurane,Ent Kaurene,Kaurane Diterpenes
D018517 Plant Roots The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990) Plant Bulbs,Plant Root,Bulb, Plant,Bulbs, Plant,Plant Bulb,Root, Plant,Roots, Plant
D019666 Rubiaceae The Madder plant family of the order Gentianales (formerly Rubiales), subclass Asteridae, class Magnoliopsida includes important medicinal plants that provide QUININE; IPECAC; and COFFEE. They have opposite leaves and interpetiolar stipules. Bouvardia,Chiococca,Cruciata,Isertia,Nauclea,Palicourea,Pentanisia,Pentas,Randia,Saprosma,Schumanniophyton,Bouvardias,Chiococcas,Cruciatas,Isertias,Naucleas,Palicoureas,Pentanisias,Randias,Saprosmas,Schumanniophytons

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