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Sodium hydride → (2S)-2-(1-(2-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-3-cyclobutoxy-N-(5-methylpyrazin-2-yl)propanamide

HRID 1098017
ノート
印刷プレビュー

反応式

HRID 1098017 の反応式
[H-].[Na+].[CH:3]1([O:7][CH2:8][C@H:9]([OH:20])[C:10]([NH:12][C:13]2[CH:18]=[N:17][C:16]([CH3:19])=[CH:15][N:14]=2)=[O:11])[CH2:6][CH2:5][CH2:4]1.Cl[C:22]1[N:27]=[CH:26][N:25]=[C:24]2[N:28]([C:31]3[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=3[Cl:37])[N:29]=[CH:30][C:23]=12>C1COCC1.C(OCC)(=O)C>[Cl:37][C:32]1[CH:33]=[CH:34][CH:35]=[CH:36][C:31]=1[N:28]1[C:24]2=[N:25][CH:26]=[N:27][C:22]([O:20][C@@H:9]([CH2:8][O:7][CH:3]3[CH2:6][CH2:5][CH2:4]3)[C:10]([NH:12][C:13]3[CH:18]=[N:17][C:16]([CH3:19])=[CH:15][N:14]=3)=[O:11])=[C:23]2[CH:30]=[N:29]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 24758Sodium hydrideHCID 112655704-Chloro-1-(2-chlorophenyl)-1H-pyrazolo[3,4-D]pyrimidine2 回HCID 57504623HCID 57504623、化合物

生成物 1

HCID 59279550(2S)-2-(1-(2-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-3-cyclobutoxy-N-(5-methylpyrazin-2-yl)propanamide収率 73.8%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran
溶媒
HCID 8857Ethyl Acetate溶媒

反応条件

温度
0 °C

実験手順

Sodium hydride (44.4 mg, 1.11 mmol) was added to (S)-3-cyclobutoxy-2-hydroxy-N-(5-methylpyrazin-2-yl)propanamide (Intermediate R1) (186 mg, 0.74 mmol) in anhydrous THF (5 mL) at 0° C. under nitrogen. The resulting mixture was stirred for 10 minutes at 0° C. and 4-chloro-1-(2-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidine (Intermediate B1) (255 mg, 0.96 mmol) was added and the reaction was allowed to warm up to room temperature and stirred for 30 minutes. The reaction mixture was diluted with ethyl acetate (20 mL), and washed sequentially with water (10 mL) and saturated brine (5 mL). The organic layer was dried (MgSO4) and evaporated. The crude product was purified by flash silica chromatography, eluting with 0-100% ethyl acetate in isohexane to afford the product (262 mg, 73.8%). 1H NMR (400 MHz, DMSO) δ 1.39-1.52 (m, 1H), 1.56-1.67 (m, 1H), 1.77-1.91 (m, 2H), 2.13-2.24 (m, 2H), 2.44 (s, 3H), 3.88-4.02 (m, 2H), 4.06-4.15 (m, 1H), 5.89-5.94 (m, 1H), 7.56-7.70 (m, 3H), 7.73-7.78 (m, 1H), 8.31-8.33 (m, 1H), 8.54 (s, 1H), 8.63 (s, 1H), 9.10 (s, 1H), 11.17 (s, 1H). m/z (ESI+) (M+H)+=480.33; HPLC tR=2.45 min.

後処理

  1. temperatureto warm up to room temperature
  2. stirringstirred for 30 minutes
  3. washwashed sequentially with water (10 mL) and saturated brine (5 mL)
  4. dry with materialThe organic layer was dried (MgSO4)
  5. customevaporated
  6. customThe crude product was purified by flash silica chromatography
  7. washeluting with 0-100% ethyl acetate in isohexane

出典と根拠

ORDレコード
ord-5efe645ad8bc41878e99021ad7f4f0bf
出典データセット
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08143263B2

反応ノート

読み込み中…

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