Methyl 5-(2-ethoxy-2-oxoethylamino)-4-nitrothiophene-2-carboxylate → Methyl 2-oxo-1,2,3,4-tetrahydrothieno[3,2-b]pyrazine-6-carboxylate
Reaktionsgleichung
C([O:3][C:4](=O)[CH2:5][NH:6][C:7]1[S:11][C:10]([C:12]([O:14][CH3:15])=[O:13])=[CH:9][C:8]=1[N+:16]([O-])=O)C>C(O)(=O)C.O.[Fe]>[O:3]=[C:4]1[NH:16][C:8]2[CH:9]=[C:10]([C:12]([O:14][CH3:15])=[O:13])[S:11][C:7]=2[NH:6][CH2:5]1Komponenten
5
