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Propargyl alcohol → 3-(3-fluorophenyl)prop-2-yn-1-ol

HRID 889001
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HRID 889001 반응식
[CH2:1]([OH:4])[C:2]#[CH:3].[F:5][C:6]1[CH:7]=[C:8](I)[CH:9]=[CH:10][CH:11]=1>[Cu](I)I.C(NCC)C>[F:5][C:6]1[CH:11]=[C:10]([C:3]#[C:2][CH2:1][OH:4])[CH:9]=[CH:8][CH:7]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 7859Propargyl alcoholHCID 707251-Fluoro-3-iodobenzene

생성물 1

HCID 27826973-(3-fluorophenyl)prop-2-yn-1-ol수율 93%

시약·촉매·용매 2

HCID 83717Copper iodide촉매HCID 8021Diethylamine용매

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온도
25 °C

실험 절차

A mixture of propargyl alcohol (0.200 g, 5.4 mmol), 3-fluoro iodobenzene (0.63 ml, 5.4 mmol), copper iodide (0.103 g, 0.54 mol), dichlorobis (triphenylphosphine) palladium (II) (0.190 g, 0.3 mmol), diethylamine (10 ml) was degassed for 10 min. and stirred for 20 hrs at 25-25° C. Excess of diethyl amine was distilled off under vacuum. The residue was diluted with water (10 ml) and extracted with ethyl acetate. The organic layer was washed with brine solution and dried over Na2SO4. The solvent was evaporated and the crude product was purified by column chromatography (10% Ethyl acetate in hexane) to obtain pure 3-(3-fluoro-phenyl)-prop-2-yn-1-ol (0.750 g, 93%).

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후처리

  1. customwas degassed for 10 min.
  2. distillationExcess of diethyl amine was distilled off under vacuum
  3. additionThe residue was diluted with water (10 ml)
  4. extractionextracted with ethyl acetate
  5. washThe organic layer was washed with brine solution
  6. dry with materialdried over Na2SO4
  7. customThe solvent was evaporated
  8. customthe crude product was purified by column chromatography (10% Ethyl acetate in hexane)

출처 및 근거

ORD 기록
ord-b4b81e05f590466c97e4a268ba559317
출처 데이터셋
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08252797B2

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