[CH3:1][C:2]1[CH:7]=[C:6]([CH3:8])[NH:5][C:4](=[O:9])[C:3]=1[CH2:10][NH:11][C:12]([C:14]1[C:15]2[CH:24]=[N:23][N:22]([CH:25]([CH3:27])[CH3:26])[C:16]=2[N:17]=[C:18]([CH:20]=[O:21])[CH:19]=1)=[O:13].[OH:28]OS([O-])=O.[K+].O.CO.C(Cl)Cl>CN(C=O)C>[CH3:1][C:2]1[CH:7]=[C:6]([CH3:8])[NH:5][C:4](=[O:9])[C:3]=1[CH2:10][NH:11][C:12]([C:14]1[CH:19]=[C:18]([C:20]([OH:28])=[O:21])[N:17]=[C:16]2[N:22]([CH:25]([CH3:27])[CH3:26])[N:23]=[CH:24][C:15]=12)=[O:13]To a stirred solution of N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-formyl-1-isopropyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide (0.515 g, 1.40 mmol) in DMF (3 mL), Oxone (0.861 g, 1.40 mmol) was added and stirred it at room temperature for 3 h. On completion of reaction, water was added to it and extraction was carried out using 20% MeOH/DCM. The combined organic layers were washed with water, dried over anhydrous Na2SO4, filtered and concentrated under reduced pressure to afford crude material which was as such used for next step.
読み込み中…