Azavinyl Azomethine Ylides from Thermal Ring Opening of α-Aziridinohydrazones: Unprecedented 1,5-Electrocyclization to Imidazoles
作者:Orazio A. Attanasi、Paolo Davoli、Gianfranco Favi、Paolino Filippone、Arrigo Forni、Giada Moscatelli、Fabio Prati
DOI:10.1021/ol701522t
日期:2007.8.1
in the formation of alpha-aziridinohydrazone adducts. In toluene under reflux, alpha-aziridinohydrazones gave imidazoles in moderate to good yields. Such a reactivity pattern is explained by 1,5-electrocyclization of azavinyl azomethine ylide generated through thermal ring opening of alpha-aziridinohydrazones.