2-[N-methyl-N-(4-nitrophenyl)amino]-4H-pyrido[3,2-e]-1,3-thiazin-4-one → HCID 23287735、化合物

反応式

[CH3:1][N:2]([C:12]1[S:13][C:14]2[N:22]=[CH:21][CH:20]=[CH:19][C:15]=2[C:16](=[O:18])[N:17]=1)[C:3]1[CH:8]=[CH:7][C:6]([N+:9]([O-])=O)=[CH:5][CH:4]=1.[H][H]>[Ni].CN(C=O)C>[NH2:9][C:6]1[CH:7]=[CH:8][C:3]([N:2]([C:12]2[S:13][C:14]3[N:22]=[CH:21][CH:20]=[CH:19][C:15]=3[C:16](=[O:18])[N:17]=2)[CH3:1])=[CH:4][CH:5]=1

参加物

実験手順

A mixture of 1.505 g (4.79 mmol) of 2-[N-methyl-N-(4-nitrophenyl)amino]-4H-pyrido[3,2-e]-1,3-thiazin-4-one obtained in Example 63, 50 ml of DMF and about 1.5 g of Raney nickel was stirred in an atmosphere of hydrogen for 5 hours. The resulting insoluble matters were then removed by filtration. The resulting filtrate was then concentrated under reduced pressure. The residue was then recrystallized from ethanol to obtain 984 mg of 2-[N-(4-aminophenyl)-N-methylamino]-4H-pyrido[3,2-e]-1,3-thiazin-4-one.