| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing an N-substituted trans-4-azidopiperidin-3-ol. Ž<P>SOLUTION: An N-substituted trans-4-azidopiperidin-3-ol represented by formula (II-1) (wherein R<SP>1</SP>is as defined below) and being useful as e.g., a pharmaceutical intermediate is produced by reacting an N-substituted 3,4-epoxypiperidine represented by formula (I) (wherein R<SP>1</SP>is 7-24C aralkyl or 1-12C alkyl) with sodium azide in the presence of an inorganic lithium salt. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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