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Design, synthesis and anti-cancer evaluation of a novel series of pyrazolo [1, 5-a] pyrimidine substituted diamide derivatives

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Abstract

A novel series of pyrazolo [1, 5-a] pyrimidine substituted diamides has been designed and synthesized using a linear mode multistep synthesis. The synthesized compounds were characterized by 1H NMR, 13C NMR, ESI-MS and IR analyses. These new compounds were screened for their in vitro antiproliferative activity using an MTT assay. Out of 23 derivatives synthesized in the current study, compounds 10q, 10u and 10w showed good anticancer activity against HeLa cell line. Furthermore, these derivatives gave IC50 values of less than 10 µM against HeLa cell and were therefore more potent than the marketed anticancer drug cis-platin (17.83 µM).

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Acknowledgements

We would like to thank the Management Team at Anthem Biosciences Pvt. Ltd., Bangalore, India, for their valuable support and allocation of proper resources to allow for the completion of this work. We would also like to thank the Analytical Chemistry Team at the Department of Analytical Chemistry, Anthem Biosciences, Bangalore, India, for carried out all the analytical work mentioned in this study. Finally, we would like to thank the Molecular Biology Team at the Maratha Mandal Institute of Technology, Belagavi, Karnataka, India, for conducting the anti-proliferative studies by MTT assay.

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Correspondence to A.K. Ajeesh Kumar.

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Ajeesh Kumar, A., Bodke, Y.D., Lakra, P.S. et al. Design, synthesis and anti-cancer evaluation of a novel series of pyrazolo [1, 5-a] pyrimidine substituted diamide derivatives. Med Chem Res 26, 714–744 (2017). https://doi.org/10.1007/s00044-016-1770-0

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