Bioorg Med Chem. 2011 Oct 1;19(19):5852-60. doi: 10.1016/j.bmc.2011.08.018. Epub 2011 Aug 16.

Searching for new NO-donor aspirin-like molecules: Furoxanylacyl derivatives of salicylic acid and related furazans.

Lazzarato L, Cena C, Rolando B, Marini E, Lolli ML, Guglielmo S, Guaita E, Morini G, Coruzzi G, Fruttero R, Gasco A.

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Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, 10125 Torino, Italy.

Abstract

A new group of derivatives of salicylic acid containing NO-donor furoxans, and the related des-NO-furazans, were synthesized and evaluated as new aspirin-like molecules. Their stability was assessed in acid (pH 1) and physiological solutions (pH 7.4), and in human serum. No compound exhibited COX-inhibitory activity against COX-1 and COX-2 isoforms, when tested up to 100μM, respectively, on isolated platelets and on monocytes. Phenylsulfonyl- and cyano-substituted furoxans inhibited platelet aggregation induced by collagen in human platelet-rich plasma, through a cGMP dependent mechanism. Furoxan derivatives displayed cGMP-dependent vasodilator activities, tested on rat aorta strips precontracted with phenylephrine. All products showed anti-inflammatory activity similar to that of ASA, tested on rats by the carrageenan-induced paw edema assay. Unlike ASA, all products showed markedly reduced gastrotoxicity in a rat lesion model.

PMID:: 21906954; [PubMed - indexed for MEDLINE]

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Searching for new NO-donor aspirin-like molecules: Furoxanylacyl derivatives of ...
Searching for new NO-donor aspirin-like molecules: Furoxanylacyl derivatives of salicylic acid and related furazans.
Bioorg Med Chem. 2011 Oct 1 ;19(19):5852-60. doi: 10.1016/j.bmc.2011.08.018. Epub 2011 Aug 16 .

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