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Updated: May 11, 2025
The formation of a series of alkaloids under the name of codeines, by the substitution of other organic radicals instead of methyl in the codeine reaction, has already been alluded to. Atropine can be formed by uniting tropine and tropic acid, the two decomposition products already noted.
Its meythl ester, which can be formed from it, is codeine, one of the accompanying alkaloids of opium. Besides the methyl derivative, however, others are possible, and several have been recently prepared, giving rise to a class of artificial alkaloids known as codeines. Morphine, rapidly distilled over zinc dust, yields phenanthren, trimethyl-amine, pyrrol, pyridine, quinoline, and other bases.
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