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Synthesis of 1,2,4-triazole Derivatives: Binding Properties on Endothelin Receptors

[ Vol. 3 , Issue. 6 ]


L. Salerno, F. Guerrera, M. Modica, G. Romeo, V. Pittala, M. A. Siracusa, I. Mereghetti, A. Cagnotto and T. Mennini   Pages 551 - 560 ( 10 )


In the present study we describe the synthesis of a new series of 1,2,4-triazoles: [3-(arylmethyl)thio-5-aryl-4H- [1,2,4]triazol-4-yl]acetic acids 5a-g, [5-(arylmethyl)thio-3-aryl-1H-[1,2,4]triazol-1-yl]acetic acids 8a-d, and [3-(arylmethyl) thio-5-aryl-1H-[1,2,4]triazol-1-yl] acetic acids 9a-d. These compounds were tested in binding assays to evaluate their ability as ligands for human ETA and ETB receptors stably expressed in CHO cells; some of the tested compounds showed affinity in the micromolar range.


Hypertension, endothelins, ET receptors, binding assays, 1,2,4-triazoles, regioisomers


Dipartimento di Scienze Farmaceutiche,Universita degli Studi di Catania, viale A. Doria, 6, 95125 -Catania, Italy.

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