QUATERNARY AMMONIUM COMPOUNDS USEFUL AS MUSCARINIC RECEPTOR ANTAGONISTS
申请人:Husfeld Craig
公开号:US20120232053A1
公开(公告)日:2012-09-13
The invention provides compounds of the formula:
in salt or zwitterionic form or a pharmaceutically acceptable salt thereof, wherein R
1-6
, a, Z and Q are as defined in the specification. These compounds are muscarinic receptor antagonists. The invention also provides pharmaceutical compositions containing such compounds, processes for preparing such compounds and methods of using such compounds to, for example, treat pulmonary disorders such as chronic obstructive pulmonary disease and asthma.