3-Alkyloxy and 3-amino phthalic acid derivatives were found to have metallo-β-lactamase inhibitory activity. Among them, 3-amino phthalic acid derivatives showed both potent activity against metallo-β-lactamase, IMP-1 inhibitory activity and a strong combination effect with biapenem (BIPM), carbapenem antibiotic. In particular, the 4'-hydroxy-piperidine derivative showed strong IMP-1 inhibitory activity and a combination effect with various antibiotics.

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http://dx.doi.org/10.1016/j.bmc.2013.07.006DOI Listing

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