m-Chloroperbenzoic acid → HCID 10295871、化合物
反応式
[CH2:1]([NH:5][C:6]1[N:11]2[N:12]=[C:13]([C:23]3[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=3)[C:14]([C:15]3[CH:20]=[CH:19][N:18]=[C:17]([S:21][CH3:22])[N:16]=3)=[C:10]2[CH:9]=[CH:8][CH:7]=1)[CH2:2][CH2:3][CH3:4].ClC1C=CC=C(C(OO)=[O:38])C=1>C(Cl)(Cl)Cl.C(=O)(O)[O-].[Na+]>[CH2:1]([NH:5][C:6]1[N:11]2[N:12]=[C:13]([C:23]3[CH:24]=[CH:25][C:26]([F:29])=[CH:27][CH:28]=3)[C:14]([C:15]3[CH:20]=[CH:19][N:18]=[C:17]([S:21]([CH3:22])=[O:38])[N:16]=3)=[C:10]2[CH:9]=[CH:8][CH:7]=1)[CH2:2][CH2:3][CH3:4]参加物
実験手順
To a cold (0° C.) solution of N-butyl-2-(4-fluorophenyl)-3-[2-(methylsulfanyl)-4-pyrimidinyl]pyrazolo[1,5-α]pyridin-7-amine (1.51 g, 3.7 mmol) in 50 mL chloroform was added m-chloroperbenzoic acid (0.87 g, 70–75%, 3.7 mmol). The reaction was allowed to warm to rt. After stirring for 5 h, another 0.2 g m-chloroperbenzoic acid was added and the reaction was stirred for 15 min. The reaction was diluted with aqueous sodium bicarbonate and extracted with dichloromethane. The organic extracts were washed with brine, dried over magnesium sulfate and concentrated. The crude product was recrystallized from ethyl acetate-hexanes to afford N-butyl-2-(4-fluorophenyl)-3-[2-(methylsulfinyl)-4-pyrimidinyl]pyrazolo[1,5-α]pyridin-7-amine (0.95 g, 60%) as an orange solid. 1H NMR (CDCl3): δ 8.40 (broad, 1H), 7.99 (d, 1H), 7.58 (m, 2H), 7.45 (t, 1H), 7.20 (t, 2H), 6.94 (d, 1H), 6.13 (d, 1H), 6.10 (broad, 1H), 3.38 (m, 2H), 2.98 (s, 3H), 1.79–1.42 (m, 4H), 0.97 (t, 3H); MS m/z 422 (M−1).
後処理
- stirringthe reaction was stirred for 15 min
- extractionextracted with dichloromethane
- washThe organic extracts were washed with brine
- dry with materialdried over magnesium sulfate
- concentrationconcentrated
- customThe crude product was recrystallized from ethyl acetate-hexanes
出典と根拠
- ORDレコード
- ord-d972d2e3392c4dd092a9edf420c2d185
- 出典データセット
- uspto-grants-2007_01
- 特許番号
- US07163940B2
反応ノート
読み込み中…