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Bioorg Med Chem. 2006 Nov 1;14(21):7113-20. Epub 2006 Aug 2.

Identification and evaluation of antioxidant, analgesic/anti-inflammatory activity of the most active ninhydrin-phenol adducts synthesized.

Author information

1
Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal 576 104, India.

Erratum in

  • Bioorg Med Chem. 2013 Apr 1;21(7):2177.

Abstract

Treatment of phenols with ninhydrin in acidic medium afforded 2-hydroxy-2-(ortho-hydroxy-phenyl/naphthyl)-1,3-dioxoindanes, which being unstable were isolated in their hemiketal forms. These synthesized compounds were subjected to TLC screening for radical scavenging and in vitro lipoxgenase and cycloxygenase enzyme inhibition assays. The best compound was identified and studied in detail for steady-state and time-resolved free radical kinetics, viz., DPPH, ABTS(-), *OH and rate constants for these reactions were evaluated. The best compound was also subjected to in vivo anti-inflammatory and analgesic activities in which the compound showed good promise for further structural optimization.

PMID:
16889968
DOI:
10.1016/j.bmc.2006.06.068
[Indexed for MEDLINE]

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