Quinuclidine derivatives and their use as muscarinic M3 receptor antagonists
US8084463B2 · kind B2 · utility
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1References
7Claims
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Assignee
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Key dates
| Filing date | Mar 11, 2010 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Mar 11, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of Formula (I); in salt or zwitterionic form wherein R1, R2, R3 and R4 have the meanings as indicated in the specification, are useful for treating conditions that are mediated by the muscarinic M3 receptor, especially inflammatory or obstructive airways diseases. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.