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・ 4-oxalmesaconate hydratase
・ 4-oxalocrotonate decarboxylase
・ 4-Oxalocrotonate tautomerase
・ 4-oxalomesaconate tautomerase
・ 4-Oxo-2-nonenal
・ 4-oxoproline reductase
・ 4-Phenyl-1,2,4-triazole-3,5-dione
・ 4-Phenyl-4-(1-piperidinyl)cyclohexanol
・ 4-Phenylazepane
・ 4-Phenylfentanyl
・ 4-Phenylpiperidine
・ 4-Phenylthiosemicarbazide
・ 4-phosphoerythronate dehydrogenase
・ 4-phosphopantoate—beta-alanine ligase
・ 4-phytase
4-Piperidinone
・ 4-Player Bowling Alley
・ 4-polytope
・ 4-poster
・ 4-PPBP
・ 4-pyridoxolactonase
・ 4-Pyridylnicotinamide
・ 4-Pyrone
・ 4-Sight Fax
・ 4-Starr Collection
・ 4-string banjo
・ 4-sulfobenzoate 3,4-dioxygenase
・ 4-Sulfomuconolactone hydrolase
・ 4-tert-Butylcatechol
・ 4-Toluenesulfonyl chloride


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4-Piperidinone : ウィキペディア英語版
4-Piperidinone

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4-Piperidinone is a derivative of piperidine with the molecular formula C5H9NO. 4-Piperidone is used as an intermediate in the manufacture of chemicals and pharmaceutical drugs (e.g., fentanyl).
==Piperidones==
Piperidones are a class of chemical compounds sharing the piperidone skeleton. A classic named reaction for the synthesis of piperidones is the Petrenko-Kritschenko piperidone synthesis which involves combining an alkyl-1,3-acetonedicarboxylate with benzaldehyde and an amine.〔''Ueber die Condensation von Aceton-dicarbonsäureestern mit Benzaldehyd unter Anwendung von Ammoniak'' P. Petrenko-Kritschenko, N. Zoneff Berichte der deutschen chemischen Gesellschaft
Volume 39 Issue 2, Pages 1358 - 1361 1906 〕 This multicomponent reaction is related to the Hantzsch pyridine synthesis.

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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