[Synthesis of triterpene 2,6-dideoxy-alpha-L-arabino-hexopyranosides from L-rhamnal. Their pharmacological properties]. 1997

L A Baltina, and O B Flekhter, and V A Davydova, and A F Ismagilova, and F S Zarudiĭ, and Kh M Nasyrov, and L S Gromakova, and G A Tolstikov

Triterpene 2,6-dideoxy-alpha-L-arabino-hexopyranosides were synthesized by the glycosylation of oleanane triterpene alcohols with L-rhamnal acetate in the presence of cationite KU-2-8 and lithium bromide. 2,6-Dideoxy-alpha-L-arabino-hexopyranosides of allobetulin and methyl glycyrrhetinate showed pronounced antiulcerous activity; the latter also stimulated reparative skin regeneration in rats and was effective as a hepatoprotectant.

UI MeSH Term Description Entries
D007475 Ion Exchange Resins High molecular weight, insoluble polymers which contain functional groups that are capable of undergoing exchange reactions (ION EXCHANGE) with either cations or anions. Ion Exchange Resin,Exchange Resin, Ion,Exchange Resins, Ion,Resin, Ion Exchange,Resins, Ion Exchange
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D001965 Bromides Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Bromide
D002251 Carbon Tetrachloride A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed) Tetrachloromethane,Tetrachloride, Carbon
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
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000897 Anti-Ulcer Agents Various agents with different action mechanisms used to treat or ameliorate PEPTIC ULCER or irritation of the gastrointestinal tract. This has included ANTIBIOTICS to treat HELICOBACTER INFECTIONS; HISTAMINE H2 ANTAGONISTS to reduce GASTRIC ACID secretion; and ANTACIDS for symptomatic relief. Anti-Ulcer Drugs,Agents, Anti-Ulcer,Anti Ulcer Agents,Anti Ulcer Drugs,Drugs, Anti-Ulcer
D012210 Rhamnose A methylpentose whose L- isomer is found naturally in many plant glycosides and some gram-negative bacterial lipopolysaccharides. Deoxymannose,Rhamnose, L-Isomer,Rhamnose, L Isomer
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
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

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