An expeditious and convenient method for the synthesis of 1-(5-aryl-[1,3,4]oxadiazol-2-ylmethyl)-3-( m-chlorophenyl)-1 H-[1,8]-naphthyridin-2-ones 5 from [2-oxo-3-( m-chlorophenyl)-2 H-[1,8]naphthyridin-1yl]acetic acid arylidenehydrazides 4 using chloramine-T under microwave irradiation is described.
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Mogilaiah et al. (2004) studied this question.
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