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    Free Radicals and AntioxidantsNOW IN
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    Synthesis of (4-benzoyl-phenoxy)-acetic acid derivatives and their efficacy as antioxidant agents

    T. Prashanth1, V. Lakshmi Ranganatha1, P. Naveen1, H.D. Gurupadaswamy1, A. Bushra Begum2, Mohammed Al-Ghorbani1, Shaukath Ara Khanum1★★ Corresponding author

    1. 1Department of Chemistry, Yuvaraja College, University of Mysore, Mysore 570 005, Karnataka, INDIA.
    2. 2Department of Chemistry, D. Banumaih’s P U Science College, Mysore 570 024, Karnataka, INDIA.

    CORRESPONDENCE

    Shaukath Ara Khanum

    Department of Chemistry, Yuvaraja College, University of Mysore, Mysore 570 005, Karnataka, INDIA.

    shaukathara@yahoo.co.in

    Volume 3, Issue 2S · pp. S50–S54 · PUBLISHED · DOI: 10.1016/j.fra.2013.09.002

    View on Free Rad. Antiox. original site ↗

    ABSTRACT

    Aim & background: To study the synthesis of a series of (4-benzoyl-phenoxy)-acetic acid derivatives (6aek) and to test their antioxidant activity.Methods:The newly synthesized compounds were characterized by IR, 1 H NMR and LCeMS analyses. All these compounds were screened for their in vitro antioxidant activity by employing 1,1-diphenyl-1- picrylhydrazyl (DPPH), nitric oxide (NO) and hydrogen peroxide (H2O2) radical scavenging assays.Results:Compounds 6h with chloro substituent in benzoyl ring and 6f with no substituent in benzoyl ring showed good radical scavenging activity in all the three methods compared to the standard drug ascorbic acid. Whereas compound 6k with methoxy substituent in benzoyl ring showed good antioxidant activity only in hydrogen peroxide method and remaining compounds showed moderate to mild radical scavenging activity. Conclusion:Compounds 6f, 6h and 6i showed excellent activity, almost equivalent to that of standard and the remaining compounds showed moderate to mild scavenging activity.

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      Prashanth, T., Ranganatha, V. L., Naveen, P., Gurupadaswamy, H., Begum, A. B., Al-Ghorbani, M., & Khanum, S. A. (). Synthesis of (4-benzoyl-phenoxy)-acetic acid derivatives and their efficacy as antioxidant agents. Free Radicals and Antioxidants, 3(2S), S50–S54. https://doi.org/10.1016/j.fra.2013.09.002