8-methoxy-9H-isothiazolo[5,4-b]quinoline-3,4-diones and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S290000

Reexamination Certificate

active

08044204

ABSTRACT:
The invention provides compound and salts of Formula I and II, disclosed herein, which includes compounds of Formula A and Formula B:Such compounds possess useful antimicrobial activity. The variables R2, R3, R5, R6, R7, and R9shown in Formula A and B are defined herein.Certain compounds of Formula I and Formula II disclosed herein are potent and/or selective inhibitors of bacterial DNA synthesis and bacterial replication. The invention also provides antimicrobial compositions, including pharmaceutical compositions, containing one or more compounds of Formula I or Formula II and one or more carriers, excipients, or diluents. Such compositions may contain a compound of Formula I or Formula II as the only active agent or may contain a combination of a compound of Formula I or Formula II and one or more other active agents. The invention also provides methods for treating microbial infections in animals.

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