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■ A Revised Structure for the Product of the Acid Catalyzed Rearrangement of N-(1-Phentlpropionyl)-N-phenylhydroxylamine

Giuseppe Capozzi, Alba Chimirri, Silvana Grasso, and Giovanni Romeo*

*Dipartimento Farmaco-Chimico, Università di Messina, Viale Annunziata, 98168 Messina, Italy

Abstract

The reaction of N-(1-phenylpropionyl)-N-phenylhydroxylamine 2 with trifluoromethanesulphonic acid at 80°C gives the 1-phenyl-1,2,3,4-tetrahydroquinolin-2-one 3. For this compound a 5,6,7,8-tetrahydro-dibenz[b,d]azocin-6-one 1 has bean previously reported. Spectroscopic evidences support the proposed structure.