Cl[C:2]([C:6]([CH3:9])([CH3:8])[CH3:7])=[CH:3][C:4]#[N:5].[Se-2:10].[Na+].[Na+].Br[CH2:14][N+:15]([O-:17])=[O:16]>>[NH2:5][C:4]1[CH:3]=[C:2]([C:6]([CH3:9])([CH3:8])[CH3:7])[Se:10][C:14]=1[N+:15]([O-:17])=[O:16]The 3-chloro-3-tert-butylprop-2-enenitrile is reacted with sodium selenide, bromonitromethane in the presence of a base to provide 3-amino-5-tert-butyl-2-nitroselenophene.
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