Cesium carbonate → (S)-4-Benzyl-3-((S)-3-(isoxazol-3-yl)-3-(4-(2-(4-(trifluoromethyl)phenoxy)ethoxy)phenyl)propanoyl)oxazolidin-2-one

HRID 2235632ノート

反応式

HRID 2235632 の反応式
[CH2:1]([C@H:8]1[CH2:12][O:11][C:10](=[O:13])[N:9]1[C:14](=[O:32])[CH2:15][C@@H:16]([C:22]1[CH:27]=[CH:26][C:25]([O:28][CH2:29][CH2:30]Br)=[CH:24][CH:23]=1)[C:17]1[CH:21]=[CH:20][O:19][N:18]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(=O)([O-])[O-].[Cs+].[Cs+].[F:39][C:40]([F:49])([F:48])[C:41]1[CH:46]=[CH:45][C:44]([OH:47])=[CH:43][CH:42]=1>CN(C=O)C.O>[CH2:1]([C@H:8]1[CH2:12][O:11][C:10](=[O:13])[N:9]1[C:14](=[O:32])[CH2:15][C@H:16]([C:17]1[CH:21]=[CH:20][O:19][N:18]=1)[C:22]1[CH:27]=[CH:26][C:25]([O:28][CH2:29][CH2:30][O:47][C:44]2[CH:45]=[CH:46][C:41]([C:40]([F:39])([F:48])[F:49])=[CH:42][CH:43]=2)=[CH:24][CH:23]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

参加物

6

反応物 3

HCID 10796Cesium carbonateHCID 678744-(Trifluoromethyl)phenolHCID 59300638(S)-4-Benzyl-3-((S)-3-(4-(2-bromoethoxy)phenyl)-3-(isoxazol-3-yl)propanoyl)oxazolidin-2-one

生成物 1

HCID 59300648(S)-4-Benzyl-3-((S)-3-(isoxazol-3-yl)-3-(4-(2-(4-(trifluoromethyl)phenoxy)ethoxy)phenyl)propanoyl)oxazolidin-2-one収率 50%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

The bromide 47.1 (100 mg, 0.2 mmol) was dissolved in DMF (2.0 mL). Cesium carbonate (260 mg, 0.8 mmol) and 4-trifluoromethylphenol (130 mg, 0.8 mmol) were added to the solution and the mixture was then heated with stirring for three hours. The reaction mixture was then cooled to room temperature and diluted with water. The mixture was extracted with EtOAc (2×50 mL). The combined organic layers were washed with 1M lithium chloride solution (1×25 mL), water (1×25 mL) and brine (1×25 mL) and dried over magnesium sulfate. The filtrate was concentrated under reduced pressure and the residue purified by medium pressure chromatography (silica, 0 to 60% EtOAc: hexanes) to obtain 47.2 (58 mg). MS ESI (pos.): m/e 581.2 (M+H).

後処理

  1. temperaturethe mixture was then heated
  2. extractionThe mixture was extracted with EtOAc (2×50 mL)
  3. washThe combined organic layers were washed with 1M lithium chloride solution (1×25 mL), water (1×25 mL) and brine (1×25 mL)
  4. dry with materialdried over magnesium sulfate
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customthe residue purified by medium pressure chromatography (silica, 0 to 60% EtOAc: hexanes)

出典と根拠

ORDレコード
ord-c730455176864bf9a077d0158f313b30
出典データセット
uspto-grants-2010_05
特許番号
US07714008B2

反応ノート

読み込み中…