Compounds having β 2 adrenergic receptor agonist and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C514S316000, C514S318000, C514S319000, C514S320000, C514S321000, C514S322000, C546S186000, C546S191000, C546S194000, C546S196000, C546S198000, C546S199000, C546S248000

Reexamination Certificate

active

07569586

ABSTRACT:
This invention provides compounds of formula I:wherein R1, R2, R3, R4,R5, R6, R7, R8a, R8b, W, a, b, c and m are as defined in the specification, or a pharmaceutically acceptable salt or solvate or stereoisomer thereof. The compounds of this invention possess both β2adrenergic receptor agonist and muscarinic receptor antagonist activity. Accordingly, such compounds are expected to be useful as therapeutic agents for treating pulmonary disorders, such as chronic obstructive pulmonary disease and asthma.

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