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  • Title: Convenient synthesis and biological profile of 5-amino-substituted 1,2,4-oxadiazole derivatives.
    Author: Ispikoudi M, Amvrazis M, Kontogiorgis C, Koumbis AE, Litinas KE, Hadjipavlou-Litina D, Fylaktakidou KC.
    Journal: Eur J Med Chem; 2010 Dec; 45(12):5635-45. PubMed ID: 20888086.
    Abstract:
    We describe herein a convenient straightforward synthesis of 5-amino-substituted 1,2,4-oxadiazoles, upon the reactions of amidoximes with carbodiimides, as well as their further derivatization to acetamides, in good yields. Most of the compounds exhibited in general low interaction with the stable radical 1,1-diphenyl-2-picryl-hydrazyl. Compounds 32 and 39 inhibited significantly soybean lipoxygenase. Selected compounds were screened for their in vivo anti-inflammatory activity using the carrageenin paw edema model and showed significant anti-inflammatory activity (26, 51%). The ability of the compounds to release NO in the presence of a thiol factor has been also investigated.
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