Behavior of 3-benzylamino-5-aryl-2(3<i>H</i>)-furanones towards some nitrogen nucleophiles
作者:Kamal A. Kandeel、Ahmed S. A. Youssef、Wael S. I. Abou-Elmagd、Ahmed I. Hashem
DOI:10.1002/jhet.5570430422
日期:2006.7
ropionic acids (3) with acetic anhydride afforded 3-N-benzylamino-5-aryl-2(3H)-furanones (4). The reaction of the furanones (4) with benzylamine in benzene was found to be time dependent. Thus refluxing the reaction mixture for 1 h only afforded the open-chain amides (5a-c). When the reaction was conducted for 3 h the 2(3H)-pyrrolones (6) were obtained. Hydrazine hydrate affected ring opening of the