Design, synthesis and biological evaluation of novel arylidine-malononitrile derivatives as non-carboxylic inhibitors of protein tyrosine phosphatase 1B

Girdhar Singh Deora1,2, Chandrabose Karthikeyan2, N. S. Hari Narayana Moorthy2,3, Vandana Rathore4,1, Arun K. Rawat5, Akhilesh K. Tamrakar5, A. K. Srivastava5, Piyush Trivedi2
1Dr Reddy's Institute of Life Sciences, University of Hyderabad Campus, Gachibowli, Hyderabad, India
2School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, India
3Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
4B. N. Institute of Pharmaceutical Sciences, Udaipur, India
5Division of Biochemistry, Central Drug Research Institute, Lucknow, India

Tóm tắt

In this study, we describe the design, synthesis, biological evaluation and molecular modelling studies of novel non-carboxylic arylidine malononitrile-based molecules as Protein Tyrosine Phosphatase 1B (PTP1B) inhibitors. The synthesized derivatives were evaluated in vitro for glucose reuptake using L6 muscle cell lines and enzymatic assay against PTP1B. The biological activity results showed that the 2-methoxy substituted (14b) compound exhibited significant activity in both the assays. The unsubstituted compound (14a) also possessed comparable activity on glucose reuptake in L6 muscle cell lines and better inhibitory activity on PTP1B enzyme assays. Docking analysis was performed on the most potent compound of the series to understand the nature of interactions governing the binding of the designed molecule with the PTP1B enzyme.

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