One-pot synthesis of 2-azetidinones has efficiently been carried out in excellent yields by treatment of imines
and substituted acetic acids with 3,5-dinitrobenzoyl chloride in the presence of triethylamine. The method is remarkably
convenient and pure products were obtained by simple crystallization.
Keywords: β-Lactam, 2-Azetidinone, Staudinger reaction, 3, 5-Dinitrobenzoyl chloride, Ketene, Imine.
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