[CH3:1][N:2]([CH3:15])[CH2:3][C:4]#[C:5][C:6]1[CH:11]=[CH:10][C:9]([N+:12]([O-])=O)=[CH:8][CH:7]=1.[Sn](Cl)Cl>>[CH3:15][N:2]([CH3:1])[CH2:3][C:4]#[C:5][C:6]1[CH:7]=[CH:8][C:9]([NH2:12])=[CH:10][CH:11]=1The reaction of 4-(3-dimethylaminoprop-1-ynyl)-nitrobenzene with tin dichloride analogously to Example 269 yields the following three products:
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