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Water → 2-[4-(4-Trifluoromethylpyridin-2-yloxy)-phenyl]-ethanol

HRID 339813
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HRID 339813 반응식
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][CH2:9][OH:10])=[CH:4][CH:3]=1.C([O-])([O-])=O.[K+].[K+].F[C:18]1[CH:23]=[C:22]([C:24]([F:27])([F:26])[F:25])[CH:21]=[CH:20][N:19]=1.O>CS(C)=O>[F:25][C:24]([F:27])([F:26])[C:22]1[CH:21]=[CH:20][N:19]=[C:18]([O:1][C:2]2[CH:7]=[CH:6][C:5]([CH2:8][CH2:9][OH:10])=[CH:4][CH:3]=2)[CH:23]=1
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참가 물질

6

반응물 4

HCID 962WaterHCID 10393TyrosolHCID 11430Potassium CarbonateHCID 111595142-Fluoro-4-(trifluoromethyl)pyridine

생성물 1

HCID 581742462-[4-(4-Trifluoromethylpyridin-2-yloxy)-phenyl]-ethanol수율 75.4%

시약·촉매·용매 1

HCID 679Dimethyl Sulfoxide
용매

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온도
25 °C

실험 절차

2-(4-Hydroxyphenyl)ethanol (4.0 g, 29 mmol), K2CO3 (8.0 g, 58 mmol) and 2-fluoro-4-trifluoromethylpyridine (3.6 g, 22 mmol) were combined in DMSO (30 mL) and stirred at 25° C. for 20 h. The mixture was poured into H2O and extracted twice with Et2O. The combined Et2O extracts were washed with 1M NaOH, H2O, brine, and concentrated in vacuo to give 2-[4-(4-trifluoromethylpyridin-2-yloxy)-phenyl]-ethanol (4.7 g; 57%), mp 78-79° C.; EIMS m/z 283; 1H NMR (300 MHz, DMSO-d6) δ 8.38 (d, J=5.3 Hz, 1H), 7.0-7.5 (m, 8H), 4.67 (t, J=5.0 Hz, 2H), 2.74 (t, J=5.2 Hz, 2H).

후처리

  1. extractionextracted twice with Et2O
  2. washThe combined Et2O extracts were washed with 1M NaOH, H2O, brine
  3. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-657573fce8ea451f8a3083ec107e46d2
출처 데이터셋
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08895568B2

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