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Water → 2-(3-{5-[(4R)-4-Ethyl-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-{[(2S)-1-methoxypropan-2-yl]oxy}phenoxy)-5-(methylsulfonyl)pyrazine

HRID 909623
ノート
印刷プレビュー

反応式

HRID 909623 の反応式
[CH2:1]([C@@H:3]1[CH2:7][O:6][C:5]([C:8]2[NH:12][C:11]([C:13]3[CH:14]=[C:15]([OH:25])[CH:16]=[C:17]([O:19][C@@H:20]([CH3:24])[CH2:21][O:22][CH3:23])[CH:18]=3)=[CH:10][CH:9]=2)=[N:4]1)[CH3:2].Cl[C:27]1[CH:32]=[N:31][C:30]([S:33]([CH3:36])(=[O:35])=[O:34])=[CH:29][N:28]=1.C(=O)([O-])[O-].[Cs+].[Cs+].O>C(#N)C>[CH2:1]([C@@H:3]1[CH2:7][O:6][C:5]([C:8]2[NH:12][C:11]([C:13]3[CH:14]=[C:15]([CH:16]=[C:17]([O:19][C@@H:20]([CH3:24])[CH2:21][O:22][CH3:23])[CH:18]=3)[O:25][C:27]3[CH:32]=[N:31][C:30]([S:33]([CH3:36])(=[O:35])=[O:34])=[CH:29][N:28]=3)=[CH:10][CH:9]=2)=[N:4]1)[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 10796Cesium carbonateHCID 668912093-{5-[(4R)-4-Ethyl-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl]-5-{[(2S)-1-methoxypropan-2-yl]oxy}phenolHCID 866495742-Chloro-5-(methylsulfonyl)pyrazine

生成物 1

HCID 668910952-(3-{5-[(4R)-4-Ethyl-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-{[(2S)-1-methoxypropan-2-yl]oxy}phenoxy)-5-(methylsulfonyl)pyrazine
収率 105.4%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

3-{5-[(4R)-4-Ethyl-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-{[(2S)-1-methoxypropan-2-yl]oxy}phenol (272 mg, 0.79 mmol) synthesized in Example (108b) was dissolved in acetonitrile (5.0 mL), and 2-chloro-5-(methylsulfonyl)pyrazine (220 mg, 1.14 mmol) synthesized in Example (97c) and cesium carbonate (640 mg, 1.96 mmol) were added at room temperature, followed by stirring at room temperature for 3.5 hours under nitrogen atmosphere. To this reaction solution, water (20 mL) was added, and extraction was carried out with methylene chloride (30 mL). The organic layer was washed with saturated brine, and subsequently dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the resulting residue was purified using silica gel column chromatography (elution solvent: methanol/methylene chloride=2%-3%) to afford the desired compound (417 mg, yield ˜100%) as a pale yellow solid.

後処理

  1. extractionextraction
  2. washThe organic layer was washed with saturated brine
  3. dry with materialsubsequently dried over anhydrous magnesium sulfate
  4. distillationThe solvent was distilled off under reduced pressure
  5. customthe resulting residue was purified
  6. washsilica gel column chromatography (elution solvent: methanol/methylene chloride=2%-3%)

出典と根拠

ORDレコード
ord-e08ae0fca4e54a56b6d99bba72cd92ba
出典データセット
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08017610B2

反応ノート

読み込み中…

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