Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1 -3-Me-4-piperidinyl)amides
US5387688A · kind A · utility
7Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1992 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | Dec 11, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/58
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel piperidinyl intermediates as set forth below wherein R, R.sup.1 and Ar are as set forth in the specification and W is either hydrogen or benzyloxycarbonyl. The intermediates are useful in the preparation of N-phenyl-N-(4-piperidinyl) amides having potent analgesic activity. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.