Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 126, Issue -, Pages 183-189Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2016.10.005
Keywords
Amiloride; Benzotriazole; Platelet swelling assay; Sodium hydrogen exchanger
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Series of benzotriazole derivatives were synthesized and evaluated for their Sodium hydrogen exchanger-1 inhibitory potential. All compounds inhibit Sodium hydrogen exchanger-1 in the in-vitro platelet swelling assay. This is perhaps the first report of NHE-1 inhibitory activity of benzotriazole. The 1-alkyl benzotriazole derivatives were found to be more active than the 2-alkyl isomers. The activity increases with increase in chain length of alkyl moiety. Potency increased from that of benzotriazole (IC50 = 192.68 mu M) to heptyl derivative (compound 13; IC50 = 59.23 mu M). Introduction of electronegative oxygen atom further increased potency as shown by the benzoyl (compound 16, IC50 = 51.57 mu M) and sulfonyl groups (compound 17, IC50 = 50.89 mu M; compound 18, IC50 = 49.95 mu M). (C) 2016 Elsevier Masson SAS. All rights reserved.
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