Pyrazin-2(1<i>H</i>)-ones from 3,4-Disubstituted 4-Aminoisoxazol-5(4<i>H</i>)-ones
作者:Egle M. Beccalli、Alessandro Marchesini
DOI:10.1055/s-1991-26594
日期:——
A new synthesis for 3,5,6-trisubstituted pyrazin-2(1H)-ones from 3,4-disubstituted 4-(phenyloxalylamino)- and 4-(alkyloxalylamino) -isoxazol-5(4H)-ones is reported.