Dimethylformamide → 4-(2,5-difluoro-4-nitrophenoxy)-1-(4-methoxybenzyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine

HRID 2241323

反応式

HRID 2241323 の反応式
[CH3:1][O:2][C:3]1[CH:20]=[CH:19][C:6]([CH2:7][N:8]2[C:12]3[N:13]=[CH:14][CH:15]=[C:16]([OH:17])[C:11]=3[C:10]([CH3:18])=[N:9]2)=[CH:5][CH:4]=1.[F:21][C:22]1[CH:27]=[C:26]([N+:28]([O-:30])=[O:29])[C:25]([F:31])=[CH:24][C:23]=1F.C(=O)([O-])[O-].[K+].[K+].CN(C=O)C>CCOC(C)=O.CCCCCC>[F:21][C:22]1[CH:27]=[C:26]([N+:28]([O-:30])=[O:29])[C:25]([F:31])=[CH:24][C:23]=1[O:17][C:16]1[CH:15]=[CH:14][N:13]=[C:12]2[N:8]([CH2:7][C:6]3[CH:5]=[CH:4][C:3]([O:2][CH3:1])=[CH:20][CH:19]=3)[N:9]=[C:10]([CH3:18])[C:11]=12

参加物

6

実験手順

A 100 mL flask was charged with 1-(4-methoxybenzyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-4-ol (1.00 g, 3.71 mmol obtained from Example 5, step B), 1,2,4-trifluoro-5-nitrobenzene (1.32 g, 7.43 mmol), potassium carbonate (1.03 g, 7.43 mmol), and DMF (25 mL). The solution was allowed to stir overnight at room temperature for 3 days. The crude material was isolated by filtration and flash chromatography (EtOAc/Hexane 1:3) to afford 2.50 g (55%) of the desired product. LRMS M+1 (426.9) observed.

出典と根拠

ORDレコード
ord-9bd8bab4d38b412d89e74f19d1d8dac0
出典データセット
uspto-grants-2010_05
特許番号
US07723330B2

関連ノート

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