Synthesis of derivatives of the keto-pyrrolyl-difluorophenol scaffold: Some structural aspects for aldose reductase inhibitory activity and selectivity
2013
Kotsampasakou, Eleni | Demopoulos, Vassilis J.
Seven novel ARIs (3a–c, 4a–c and 5) were synthesized with the implementation of an optimized and, partially, selective synthetic procedure, via a Friedel–Crafts acylation reaction. The synthesized ARIs have values of IC₅₀ ᴬᴸᴿ² ranging from 0.19μM (in case of compound 3b) to 2.3μM (in case of compound 4a), while the values of selectivity index towards ALR1 range from 1 (in case of compound 3b) to 238 (in case of compound 3a). Finally, we found out that the presence of an additional (secondary) aromatic area is not a prerequisite feature for ARI activity.
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