Penicillanic acid derivative compounds and methods of making

Details Penicillanic acid derivative compounds and methods of making Penicillanic acid derivative compounds and methods of making

2006-10-24

2006-10-24

Berch, Mark L. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07125986

ABSTRACT:
Compounds of formula I:wherein R1, R2, R3, R4and n have any of the values defined in the specification, and their pharmaceutically acceptable salts, are useful for inhibiting β-lactamase enzymes, for enhancing the activity of β-lactam antibiotics, and for treating β-lactam resistant bacterial infections in a mammal. The invention also provides pharmaceutical compositions, processes for preparing compounds of formula I, and novel intermediates useful for the synthesis of compounds of formula I.

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