Abstract
We report herein the synthesis of 3,5-disubstituted 1,2,4-oxadiazoles from amidoximes and substituted or unsubstituted benzoyl cyanides under microwave irradiation. Substituted or unsubstituted O -carboxyphenyl amidoxime is a key intermediate of this alternative method developed for the synthesis of these heterocycles. These reactions employ simple synthetic protocols devoid of lengthy purification procedures and proceed with good yield.
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