[CH2:1]([O:3][C:4]([C:6]1[C:7]([O:23][C:24](=[O:26])[CH3:25])=[C:8]2[CH:16]=[CH:15][N:14]([C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)[C:9]2=[C:10]([C:12]#[N:13])[N:11]=1)=[O:5])[CH3:2].C1C(=O)N([Br:34])C(=O)C1.C(OOC(C1C=CC=CC=1)=O)(C1C=CC=CC=1)=O>>[CH2:1]([O:3][C:4]([C:6]1[C:7]([O:23][C:24](=[O:26])[CH3:25])=[C:8]2[C:16]([Br:34])=[CH:15][N:14]([C:17]3[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=3)[C:9]2=[C:10]([C:12]#[N:13])[N:11]=1)=[O:5])[CH3:2]Prepared in analogy to a bromination procedure in that of Example 103(a) from 4-Acetoxy-7-cyano-1-phenyl-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester, NBS and BzOOBz. The title compound, ESI MS (m/z): 428 (M+H)+.
Wird geladen…