2,3,7-Tribromo-4-hydroxy-1-phenyl-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester → 2,3-Dibromo-7-cyano-4-hydroxy-1-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:15]([Br:16])=[C:14]([Br:17])[N:13]([C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)[C:9]2=[C:10](Br)[N:11]=1)=[O:5])[CH3:2].[C:25]([Cu])#[N:26]>>[CH2:1]([O:3][C:4]([C:6]1[C:7]([OH:24])=[C:8]2[C:15]([Br:16])=[C:14]([Br:17])[N:13]([C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)[C:9]2=[C:10]([C:25]#[N:26])[N:11]=1)=[O:5])[CH3:2]Participants
3
Procedure
Prepared in analogy to that of Example 105(a) from 2,3,7-tribromo-4-hydroxy-1-phenyl-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester and CuCN. The title compound, ESI MS (m/z): 464 (M+H)+.
Sources & evidence
- ORD record
- ord-690f40b938864e91a6cad37e15f53e44
- Source dataset
- uspto-grants-2010_04
- Patent number
- US07696223B2
Reaction notes
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