Process for preparing a piperidine derivative
US5599938A · kind A · utility
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3References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 9, 1994 |
| Grant date | Feb 4, 1997 |
| Priority date | — |
| Expiry date | Aug 9, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of the compound of formula (I), a useful intermediate for the preparation of analgesic agents. ##STR1## which comprises reading a compound of formula (II) or an acid addition salt thereof ##STR2## with propionic anhydride and then treating the resultant product with methanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.