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antidiabetic carboxylic acids

Design, synthesis, ADME prediction and anti-hyperglycemic evaluation of new alkoxyimino-substituted phenyl carboxylic acids as potent α-glucosidase inhibitors

Manisha Khatri, Ritika Singh, Samreen Fatima, Neetu Sain


In an attempt to further explore the role of substituted carboxylic acid derivatives as antidiabetic agent, a series of alkoxyimino-substituted carboxylic acid derivatives (101-206) were designed, synthesized and evaluated for their inhibitory potential against a-amylase and a-glucosidase enzyme. Among all the tested compounds, 102 & 105 has displayed the most potent activity against a-glucosidase with the IC50 of 142.21±1.8 mM and 182.83±2.43 mM respectively, as compared to the standard drug acarbose  (136.89±1.67 mM). Based on the inhibition percentage, the inhibition activity of 102 and 105 on α-glucosidase had higher potential than α-amylase. The mode of binding interactions between the α-glucosidase enzyme and the compound 102 was established to be uncompetitive using kinetic analysis. The predicted drug-likeness properties (Lipinski parameters and in silico ADME properties) of the compounds revealed their suitability as potential drug candidate.


Carboxylic acid derivatives; anti-hyperglycemic; α-glucosidase inhibition; ADME properties; kinetic analysis;

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ISSN 2347–9825

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