An N-substituted-trans-4-azidopiperidin-3-ol represented by formula (II-1)
R
1
is as defined below, which is useful as a pharmaceutical intermediate and so on, is produced by reacting an N-substituted-3,4-epoxypiperidine represented by formula (I):
wherein R
1
represents an aralkyl group having 7 to 24 carbon atoms or an alkyl group having 1 to 12 carbon atoms, with sodium azide in the presence of an inorganic lithium salt.
由下式表示的N-取代-trans-4-偶氮基
哌啶-3-醇(II-1)R1如下定义,其作为制药中间体等是有用的,通过将由下式表示的N-取代-3,4-环氧
哌啶(I)与
氢氧化钠在无机
锂盐存在下反应而制得:其中R1代表具有7至24个碳原子的芳基烷基基团或具有1至12个碳原子的烷基基团。