N-bromobutanimide → 2,3,7-Tribromo-4-hydroxy-1-(4-fluoro-phenyl)-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester
Reaction equation
[CH2:1]([O:3][C:4]([C:6]1[C:7]([OH:24])=[C:8]2[C:14]([Br:15])=[C:13]([Br:16])[N:12]([C:17]3[CH:22]=[CH:21][C:20]([F:23])=[CH:19][CH:18]=3)[C:9]2=[CH:10][N:11]=1)=[O:5])[CH3:2].C1C(=O)N([Br:32])C(=O)C1>CC#N>[CH2:1]([O:3][C:4]([C:6]1[C:7]([OH:24])=[C:8]2[C:14]([Br:15])=[C:13]([Br:16])[N:12]([C:17]3[CH:22]=[CH:21][C:20]([F:23])=[CH:19][CH:18]=3)[C:9]2=[C:10]([Br:32])[N:11]=1)=[O:5])[CH3:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Prepared in analogy to that of Example 133(a) from 2,3-dibromo-1-(4-fluoro-phenyl)-4-hydroxy-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester and NBS in MeCN. The title compound, ESI MS (m/z): 535 (M+H)+.