piperidine

[pi-per-i-deen, -din, pahy-, pip-er-i-]

noun

Chemistry.

1. a colorless, water-soluble liquid, C 5 H 1 1 N, obtained from the alkaloid piperine or from pyridine: used chiefly as a solvent.

piperidine

/ pɪˈpɛrɪˌdiːn, -dɪn /

noun

1. a colourless liquid heterocyclic compound with a peppery ammoniacal odour: used in making rubbers and curing epoxy resins. Formula: C 5 H 11 N

Word History and Origins

Origin of piperidine¹

1850–55; < Latin piper pepper + -id ³ + -ine ¹

Example Sentences

Its structure is similar to piperidine, a chemical that occurs naturally in certain pepper plants.

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We may take piperidine and coniine as examples of the methods followed in alkaloidal synthesis; these are pyridine bases.

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We find, indeed, that obstacles are gradually being cleared away, and the actual synthetic formation of such alkaloids as piperidine and coniine is a proof that the chemist is on the right track in studying the decomposition products, and building up from them, theoretically, bodies of similar constitution.

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Pyridine has the formula C5H5N, that is, it is benzene with CH replaced by N. The relationship between these and piperidine is seen in the following formulæ: If we introduce six hydrogen atoms into pyridine, we convert it into piperidine.

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Ladenburg succeeded in so hydrogenizing pyridine by acting upon an alcoholic solution with sodium, and from the base which was formed he obtained a platinochloride which agreed with the similar double salt of piperidine.

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