Synthesis and structure–activity relationship of 4-quinolone-3-carboxylic acid based inhibitors of glycogen synthase kinase-3β

The synthesis, GSK-3β inhibitory activity, and anti-microbial activity of bicyclic and tricyclic derivatives of the 5,7-diamino-6-fluoro-4-quinolone-3-carboxylic acid scaffold were studied. Kinase selectivity profiling indicated that members of this class were potent and highly selective GSK-3 inhibitors.

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