Hydantoin derivatives as metalloproteinase 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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Details

C544S333000, C514S300000, C514S309000, C546S122000, C546S141000

Reexamination Certificate

active

07655664

ABSTRACT:
The invention provides compounds of formula (I): wherein R1, R2, A, A1and B are as defined in the specification; processes for their preparation; pharmaceutical compositions containing them; a process for preparing the pharmaceutical compositions; and their use in therapy. The compounds are useful as MMP inhibitors.

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