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piperidine : ウィキペディア英語版
piperidine

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Piperidine is an organic compound with the molecular formula (CH2)5NH. This heterocyclic amine consists of a six-membered ring containing five methylene bridges (--) and one amine bridge (-NH-). It is a colorless fuming liquid with an odor described as ammoniacal or pepper-like; the name comes from the genus name ''Piper'', which is the Latin word for pepper. Piperidine is a widely used building block and chemical reagent in the synthesis of organic compounds, including pharmaceuticals.
== Production ==
Industrially, piperidine is produced by the hydrogenation of pyridine, usually over a molybdenum disulfide catalyst:〔Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" Ullmann's Encyclopedia of Industrial Chemistry 2002 Wiley-VCH. 〕
: C5H5N + 3 H2 → C5H10NH
Pyridine can also be reduced to piperidine via a modified Birch reduction using sodium in ethanol.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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