反应详情

The quinoxalin-2-one of the present example is prepared with 4,5-Dimethoxy-benzene-1,2-diamine and (thiophen-2-yl) oxo-acetic acid via the method described in Example 12 to afford 6,7-Methoxy-3-thiophen-2-yl-1H-quinoxalin-2-one.