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.

From Washington Post

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.

From Project Gutenberg

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

From Project Gutenberg

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.

From Project Gutenberg

Pentamethylinediamine is the principal intermediary product, and this gives piperidine when distilled with superheated steam.

From Project Gutenberg