Abstract
An efficient one-pot synthesis of bioactive pyrazolylphosphonates is accomplished by the reaction of 3-methyl-1-phenyl-2-pyrazoline-5-one with various aryl aldehydes and diethyl phosphite in the presence of β-cyclodextrin (β-CD) as a catalyst. The compounds were tested for their anti-oxidant activity by DPPH and H2O2 radical scavenging assay and for anticancer activity against breast cancer (MCF-7), prostate cancer (DU-145) and lung cancer (A-549) cell lines with sulfarodamine-B (SRB) assay. Most of the synthesized compounds showed promising anti-oxidant activity and significant anticancer activity when compared with the standard drugs.
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Acknowledgements
The authors are grateful to Prof. C. Devendranath Reddy, Department of Chemistry, S.V. University, Tirupati, for his helpful discussions and acknowledge the funding support from DST-SERB, New Delhi, India, through Project No. SB/S1/OC-96/2013, Dt. 05-11-2014. One of the authors Dr. S. Santhisudha expresses sincere thanks to the Science and Engineering Research Board (SERB), New Delhi, India, for providing financial assistance (DST No: PDF/2016/000102, Dt: 11-07-2016). The corresponding author, Prof. C. Suresh Reddy, being an associate member of Institute of Food Security and Sustainable Agriculture, University Malaysia Kelantan, Jeli Campus, Malaysia, expresses his sincere thanks to University Malaysia Kelantan for their timely encouragement in our research work.
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Mohan, G., Santhisudha, S., Murali, S. et al. One-pot green synthesis and bio-assay of pyrazolylphosphonates. Res Chem Intermed 44, 3475–3491 (2018). https://doi.org/10.1007/s11164-018-3319-y
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DOI: https://doi.org/10.1007/s11164-018-3319-y