Abstract
Various functionalized mono- and diarylanthranilo-1,3-dinitriles were synthesized and evaluated for their in vitro antihyperglycemic activity against the PTP-1B, glucose-6-phosphatase, glycogen phosphorylase and α-glucosidase enzymes. Among various screened compounds, 5,6-diaryl substituted anthranilo-1,3-dinitriles 3a, 3b, and 3d showed good inhibitory activity against PTP-1B with IC 50 values of 58–72 μM. Three of the test compounds showed significant (25–37%) lowering of plasma glucose level at 24 h in sucrose-challenged streptozotocin-induced diabetic Sprague–Dawley rat model.
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