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1. Ring structure characteristic of the group of opium alkaloids represented by papaverine.
2. A class of alkaloids containing the isoquinoline (1) ring structure.
References in periodicals archive ?
Among the isolated compounds (1-6) the higher lipophilicity of the three isoquinoline alkaloids oxychelerythrine (1), oxynitidine (2), and arnottianamide (3) (log P = 3.
Inhibition of H1N1 influenza A virus growth and induction of inflammatory mediators by the isoquinoline alkaloid berberine and extracts of goldenseal (Hydrastis canadensis).
In most studies, TYDC gene family has been used as a marker for the study, tracking and regulating the biosynthesis of Isoquinoline alkaloids in opium poppy [4].
Beneficial effects are mainly due to the high levels of isoquinoline alkaloids present, particularly berberine, which lend it its antibiotic and anti-infective properties.
Presence of methyl-6,7dihydroxy-1,2,3,4-tetrahydroisoquinolines, derivatives of the neurotoxin isoquinoline, in parkinsonian lumbar CSF.
It contains nine narcotic alkaloids of the isoquinoline series, some of them strychnine-like in physiological action, the rest morphine-like.
have shown that isoquinoline ligands decorated with pendant ureas are very efficient sulfate binders.
Previously, CYP4D10 and CYP28A1 from Drosophila mettleri were shown to be transcriptionally responsive to toxic isoquinoline alkaloids present in Drosophila mettleri's host plant.
Chemistry: family accumulates aluminum and produces triterpenes, iridoids, anthraquinones, various alkaloids (especially indole, but also quinoline, isoquinoline, and purine), and proanthocyanins, sometimes tanniferous and saponiferous, seldom cyanogenic.
Other alkaloids, like the isoquinoline alkaloids berberine, berbamine and palmatine, have also been shown to have antiinflammatory effects inhibiting serotonin-induced hind paw edema and acetic acid-induced increase in vascular permeability (Kupeli et al.
The simple chromophors quinoline, isoquinoline or phenanthridine will give access to new classes of compounds.