Synthesis of new thiazolo-celecoxib analogues as dual cyclooxygenase-2/15-lipoxygenase inhibitors: Determination of regio-specific different pyrazole cyclization by 2D NMR.
Synthesis of new thiazolo-celecoxib analogues as dual cyclooxygenase-2/15-lipoxygenase inhibitors: Determination of regio-specific different pyrazole cyclization by 2D NMR.
http://www.bionmr.com//www.ncbi.nlm....PubMedLink.gif Related Articles Synthesis of new thiazolo-celecoxib analogues as dual cyclooxygenase-2/15-lipoxygenase inhibitors: Determination of regio-specific different pyrazole cyclization by 2D NMR. Eur J Med Chem. 2016 Aug 08;118:250-8 Authors: Abdelall EK, Kamel GM Abstract Two new series of 1,5-diaryl pyrazoles (5a, 5b, 7a, 7b and 10) and 1,5-diaryl pyrazoline (12a and 12b) were prepared as both Cyclooxygenase-2 and 15-lipoxygenase inhibitors. Carrageenan-induced rat paw edema, ulcer index and anti-COX-1/COX-2 and 15-LOX inhibition assays were also included. Cyclization of different pyrazoles was discussed using 2D NMR such as HSQC, HMBC and NOSEY determinations. Compound 5a is more effective with ED50*=*0.98 and 3.98*?M against COX-2 and 15-lipoxygenase respectively, than the references celecoxib (1.54*?M) and meclofenamate sodium (5.64*?M). PMID: 27131067 [PubMed - indexed for MEDLINE] More... |
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