[OH:1][CH2:2][C:3]([NH:6][C:7]([C:9]1[C:17]2[C:12](=[N:13][CH:14]=[C:15]([N:18]3[C:26]4[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=4)[C:20]([CH:27]4[CH2:32][CH2:31][N:30](C(OC(C)(C)C)=O)[CH2:29][CH2:28]4)=[N:19]3)[N:16]=2)[N:11]([CH2:40][O:41][CH2:42][CH2:43][Si:44]([CH3:47])([CH3:46])[CH3:45])[CH:10]=1)=[O:8])([CH3:5])[CH3:4]>FC(F)(F)CO>[OH:1][CH2:2][C:3]([NH:6][C:7]([C:9]1[C:17]2[C:12](=[N:13][CH:14]=[C:15]([N:18]3[C:26]4[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=4)[C:20]([CH:27]4[CH2:32][CH2:31][NH:30][CH2:29][CH2:28]4)=[N:19]3)[N:16]=2)[N:11]([CH2:40][O:41][CH2:42][CH2:43][Si:44]([CH3:46])([CH3:45])[CH3:47])[CH:10]=1)=[O:8])([CH3:5])[CH3:4]A stirred solution of tert-butyl 4-(1-(7-(1-hydroxy-2-methylpropan-2-ylcarbamoyl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)-1H-indazol-3-yl)piperidine-1-carboxylate (120 mg, 181 μmol) in 2,2,2-trifluoroethanol (2 mL) was heated in a microwave at 150° C. for 4 h. The mixture was concentrated in vacuo and used in the next step without purification.
Loading…