Piperidine derivative
US8138206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2006 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jun 23, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D498/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a substance having an antagonistic effect on the binding of histamine to a histamine H3 receptor or an inhibitory effect on the activity which a histamine H3 receptor constantly exhibits. A compound represented by the formula (I) or a pharmaceutically acceptable salt thereof; (I)wherein R1 represents a phenyl group which may be substituted or the like and R2 represents a cyano group which may be substituted or the like, or R1 and R2 together form an aliphatic heterocylic ring which may be substituted; R3 represents a group represented by the formula (II-1) below;and all of X1 to X4 represent a carbon atom or the like: (II-1) where R4 and R5 represent a lower alkyl group or the like; and m1 represents an integer of 2 to 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.