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2-Pyrrolidone : ウィキペディア英語版 | 2-Pyrrolidone
|Section2= |Section7= }} 2-Pyrrolidone is an organic compound consisting of a 5-membered lactam, making it the simplest γ-lactam. It is a colorless liquid that is miscible with water and most common organic solvents.〔Albrecht Ludwig Harreus, R. Backes, J.-O. Eichler, R. Feuerhake, C. Jäkel, U. Mahn, R. Pinkos, R. Vogelsang"2-Pyrrolidone" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, 2011, Weinheim. 〕 It is produced industrially by treating butyrolactone with ammonia. Alternative routes include the partial hydrogenation of succinimide and the carbonylation of allylamine with methyl amine. 2-Pyrrolidone is an intermediate in the production of vinylpyrrolidone and the drug piracetam.〔 ==Uses== A variety of pharmaceutical drugs are 2-pyrrolidone derivatives including: *Cotinine *Doxapram *Piracetam *Povidone *Ethosuximide 2-pyrrolidone is used in inkjet cartridges.
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