opium alkaloids
. Classification:. Opium alkaloids can be subclassified into 3 main groups with different basic nuclei:Phenanthrene alkaloids e.g. morphine and codeine.Benzylisoquinoline alkaloids e.g. papaverine and noscapine (narcotine). Phenylethylamine alkaloids e.g. narceine. . Phenantheren group:. Morphine:Properties:Morphine is levorotatory, insoluble in water, sparingly soluble in ethanol (1:250) and chloroform (1:1500), practically insoluble in ether and benzene.It contains 2 OH groups, o1144
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