Phosphodiesterase 4 inhibitors

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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C514S406000, C546S119000, C548S361100

Reexamination Certificate

active

10825611

ABSTRACT:
Selective PDE4 inhibition is achieved by aryl and heteroaryl pyrazole compounds. The compounds exhibit improved PDE4 inhibition as compared to compounds such as rolipram and show selectivity with regard to inhibition of other classes of PDEs.

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