Abstract:In this contribution, an operationally simple and efficient synthetic procedure for synthesizing derivatives of 4-(arylmethylene)-5-oxo-4,5-dihydroisoxazol-3-yl)acetate has been developed. This interesting synthetic protocol involves the one-pot cyclocondensation of diethyl 3-oxopentanedioate, aryl or heteroaryl aldehydes, and hydroxylamine hydrochloride catalyzed in an aqueous medium using an azolium salt as a robust organo-catalyst. In this work, for the first time, 1,3-dibenzyl-1H-benzo[d]imidazol-3-ium chl… Show more
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