The invention provides novel 8-azabicyclo[3.2.1]octane compounds of formula
wherein R
1
, R
2
, R
3
, and a are defined in the specification, or a pharmaceutically-acceptable salt thereof, that are antagonists at the mu opioid receptor. The invention also provides pharmaceutical compositions comprising such compounds, methods of using such compounds to treat conditions associated with mu opioid receptor activity, and processes and intermediates useful for preparing such compounds.
该发明提供了新的8-
氮杂
双环[3.2.1]辛烷化合物,其
化学式如下:其中R1、R2、R3和a在说明书中有定义,或其药学上可接受的盐,它们是mu阿片受体的
拮抗剂。该发明还提供了包含这种化合物的药物组合物,使用这种化合物治疗与mu阿片受体活性相关的疾病的方法,以及用于制备这种化合物的过程和
中间体。