Amide Boronic Acid Inhibitors of AmpC b-lactamase to Reverse Bacterial Resistance to b-lactam Antibiotics.

The invention provides novel non-$g(b)-lactam inhibitors of $g(b)-lactamases. In particular, the invention provides such inhibitors which are boronic acids of formula (1) which is set forth in the specification. These compounds may be used with $g(b)-lactam antibiotics to treat $g(b)-lactam-antibiotic-resistant bacterial infections. Finally, the invention provides a pharmaceutical composition comprising these compounds.