반응식
[CH3:1][Si:2]([CH3:9])([CH3:8])N1C=CN=C1.[Br:10][C:11]1[CH:16]=[CH:15][C:14]([C:17]([OH:20])([CH3:19])[CH3:18])=[CH:13][CH:12]=1.C(=O)(O)[O-].[Na+]>O1CCCC1>[Br:10][C:11]1[CH:12]=[CH:13][C:14]([C:17]([CH3:19])([O:20][Si:2]([CH3:1])([CH3:8])[CH3:9])[CH3:18])=[CH:15][CH:16]=1참가 물질
5
실험 절차
N-trimethylsilylimidazole (80.6 mL, 0.552 mol) was added to a solution of the crude 2-(4-bromo-phenyl)-propan-2-ol in tetrahydrofuran (500 mL) in a nitrogen atmosphere at room temperature, and the mixture was stirred at the same temperature overnight. The reaction mixture was poured into a saturated aqueous sodium bicarbonate solution, followed by extraction with ethyl acetate. The extract was washed with brine, dried over anhydrous magnesium sulfate and filtered, and the solvent was distilled off under reduced pressure. The resulting residue was subjected to silica gel chromatography (n-hexane:ethyl acetate=40:1) to give the title compound as a colorless oil (125.6 g, 87% in two steps).
후처리
- extractionfollowed by extraction with ethyl acetate
- washThe extract was washed with brine
- dry with materialdried over anhydrous magnesium sulfate
- filtrationfiltered
- distillationthe solvent was distilled off under reduced pressure
출처 및 근거
- ORD 기록
- ord-8cd1086b1c9341fca47e010f3347dc7a
- 출처 데이터셋
- uspto-grants-2011_05
- 특허 번호
- US07935688B2
연결된 노트
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