4-hydroxy-4-phenylpiperidine derivatives and pharmaceuticals containing the same
US6362203B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2000 |
| Grant date | Mar 26, 2002 |
| Priority date | — |
| Expiry date | Oct 30, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described is a 4-hydroxy-4-phenylpiperidine derivative represented by the following formula (1): [wherein, R1 and R2 are the same or different and each independently represents a hydrogen atom, a lower alkyl, or the like, R3 represents a hydrogen atom or a group —(CR4R5)n—Y (in which, R4 and R5 each represents a hydrogen atom or a lower alkyl group, Y represents a group —COOR6, —CONR7R8, —OR9 or —OCOR10 (in which R6, R9 and R10 each independently represents a hydrogen atom, a lower alkyl group, or the like, R7 and R8 are the same or different and each independently represents a hydrogen atom, a lower alkyl group, or the like), and n stands for 1 to 6)], or salt thereof.The compound exhibits excellent peripheral analgesic action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.