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Ethyl bromoacetate → Ethyl 2-(3-fluorophenoxy)acetate

HRID 1432885
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HRID 1432885 반응식
[F:1][C:2]1[CH:3]=[C:4]([OH:8])[CH:5]=[CH:6][CH:7]=1.[H-].[Na+].Br[CH2:12][C:13]([O:15][CH2:16][CH3:17])=[O:14].[NH4+].[Cl-]>CN(C=O)C.CCOC(C)=O.O>[CH2:16]([O:15][C:13](=[O:14])[CH2:12][O:8][C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=1)[CH3:17]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 7748Ethyl bromoacetateHCID 97433-FluorophenolHCID 24758Sodium hydrideHCID 25517Ammonium Chloride

생성물 1

HCID 15078057Ethyl 2-(3-fluorophenoxy)acetate수율 93.5%

시약·촉매·용매 3

HCID 962Water용매
HCID 6228
Dimethylformamide
용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 3-fluorophenol (1.2 g, 11.8 mmol) in 20 mL of DMF at 0° C. is added sodium hydride (0.47 g, 10.7 mmol). After stirring for 10 minutes Ethyl bromoacetate (1.2 g, 10.7 mmol) is added dropwise. The reaction is allowed to warm to ambient temperatures and is stirred for 16 hours. To the reaction is added a saturated solution NH4Cl (aq.). The resulting mixture is diluted with EtOAc and H2O. The layers are separted. The organic layer is washed with H2O and a saturated solution NaCl (aq.). The organic layer is dried over MgSO4, filtered and concentrated to give the product (2 g, 10 mmol) as an oil. 1H NMR (CDCl3, 300 MHz) δ7.22 (m, 1H), 6.65 (m, 3H), 4.61 (s, 2H), 4.27 (q, 2H), 1.24 (t, 3H).

후처리

  1. additionis added dropwise
  2. temperatureto warm to ambient temperatures
  3. washThe organic layer is washed with H2O
  4. dry with materialThe organic layer is dried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-dd4207a3c48c469b8e912476b958cafe
출처 데이터셋
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07612075B2

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