Quinuclidine derivatives of (hetero) arylcycloheptanecarboxylic acid, process for their preparation, pharmaceutical compositions containing them and use thereof in the preparation of medicaments for therapy

摘要

The invention provides compounds of formula (I) wherein R 4 is a group of formula (II) or (IIIa) or (IIIb) and R 1 , R 2 , R 3 , R 5 , a, b and X are as defined in the specification, a process for their preparation, pharmaceutical compositions containing them, a process for preparing pharmaceutical compositions, their use in therapy and intermediates of use in their preparation