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Ring structures glycosides

Hyoscyamine, present in Datura stramonium Atropine, present in Atropa belladonna Cocaine, present in Erythroxylon coca Codeine and morphine, present in Papaver somniferum Terpenoids (come from semiterpene oligomerization) Azadirachtin, present in seeds of Azadirachta indica (neem) Artemisinin, present in Artemisia annua Tetrahydrocannabinol, present in Cannabis sativa Steroids (terpenes with a particular ring structure) Glycosides (heavily modified sugar molecules)... [Pg.410]

Diverse plants (A) are sources of sugar-containing compounds (glycosides) that also contain a steroid ring (structural formulas, p. 133) and augment the contractile force of heart muscle (B) cardiotonic glycosides, cardiosteroids, or digitalis."... [Pg.130]

Monomers and polymers of carbohydrates, (a) The most common carbohydrates are the simple six-carbon (hexose) and five-carbon (pentose) sugars. In aqueous solution, these sugar monomers form ring structures, (b) Polysaccharides are usually composed of hexose monosaccharides covalently linked together by glycosidic bonds to form long straight-chain or branched-chain structures. [Pg.11]

Figure 5. Molecular structure of methyl 2,3,4,6,2, 4, 6 -hepata-0-acetyl-fS-l>-laminarabioside (19). The upper ring is glycosidic residue. Shaded and nonshaded ellipsoids, and small spheres represent C, O, and H atoms, respectively. Figure 5. Molecular structure of methyl 2,3,4,6,2, 4, 6 -hepata-0-acetyl-fS-l>-laminarabioside (19). The upper ring is glycosidic residue. Shaded and nonshaded ellipsoids, and small spheres represent C, O, and H atoms, respectively.
Pathirana, C., Tapiolas, D.M., Jensen, P.R., Dwight, R., and Fenical, W., Structure determination of maduralide a new 24-membered ring macrolide glycoside produced by a marine bacterium (Actino-... [Pg.589]

Question In what respect does a glycoside ring differ from the ring structure of a monosaccharide ... [Pg.43]

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See also in sourсe #XX -- [ Pg.31 , Pg.212 ]



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Glycoside ring

Ring structures

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