Abstract
A series of new 2,5-disubstituted 1,3,4-oxadiazoles have been conveniently synthesized through an oxidative C–O coupling by direct C–H bond activation of N-aroyl-N-arylidinehydrazines using a catalytic quantity of CuO nanoparticles. Twenty compounds have been synthesized in good to excellent yields (75–90 %). All the synthesized compounds were evaluated for their in vitro antiproliferative, antibacterial, and antifungal activity. Compounds 8d and 10d are more promising antiproliferative agents with IC50 value of 3.66 and 3.89 µM in MCF-7 cell line, and compounds 8a and 10a were showed more potent antifungal activity than standard drug.
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Acknowledgments
The authors are thankful to the Director, Indian Institute of Chemical Technology, Hyderabad for the encouragement, RP thankful to CSIR, New Delhi, India for the award of research fellowships. We thank CSIR for financial support under the 12th Five Year plan projects “Affordable Cancer Therapeutics (ACT)’’ (CSC 0301) and “Small Molecules in Lead Exploration (SMiLE)” (CSC0111).
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Murty, M.S.R., Penthala, R., Buddana, S.K. et al. Recyclable CuO nanoparticles-catalyzed synthesis of novel-2,5-disubstituted 1,3,4-oxadiazoles as antiproliferative, antibacterial, and antifungal agents. Med Chem Res 23, 4579–4594 (2014). https://doi.org/10.1007/s00044-014-1025-x
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DOI: https://doi.org/10.1007/s00044-014-1025-x