[Br:1][C:2]1[CH:11]=[CH:10][C:9]2[NH:8][C:7](=S)[CH2:6][CH2:5][C:4]=2[C:3]=1[C:13]#[N:14].[C:15]([NH:18][NH2:19])(=O)[CH3:16]>C(O)CCC>[Br:1][C:2]1[CH:11]=[CH:10][C:9]2[N:8]3[C:15]([CH3:16])=[N:18][N:19]=[C:7]3[CH2:6][CH2:5][C:4]=2[C:3]=1[C:13]#[N:14]To a stirred solution of 6-bromo-2-thioxo-1,2,3,4-tetrahydroquinoline-5-carbonitrile (145-3; 0.5 g, 0.00188 mol) in n-butanol (10 mL) was added acetic hydrazide (0.35 g, 0.0047 mol). Reaction mass was heated at 120° C. for 16 h. The reaction mixture was concentrated and directly purified by silica gel column chromatography to obtain title compound. (MS (M+1): 289.
読み込み中…