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Methanol → Benzoic acid, 3-ethyl-

HRID 273113
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HRID 273113 반응식
[OH-:1].[Na+].[C:3]([C:6]1[CH:7]=[C:8]([CH:11]=[CH:12][CH:13]=1)[C:9]#N)(=[O:5])C.[CH3:14]O>>[CH2:9]([C:8]1[CH:7]=[C:6]([CH:13]=[CH:12][CH:11]=1)[C:3]([OH:5])=[O:1])[CH3:14]
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참가 물질

4

반응물 3

HCID 887MethanolHCID 14798Sodium HydroxideHCID 802223-Acetylbenzonitrile

생성물 1

HCID 96207Benzoic acid, 3-ethyl-

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온도
90 °C

실험 절차

6M Sodium hydroxide (25 mL) was added to 3-acetylbenzonitrile (850 mg, 5.82 mmol) in methanol (25 mL) and then heated at 90° C. overnight. After concentrating the reaction mixture, the aqueous layer was washed with dichloromethane (2×), then acidified pH˜3 with 12M HCl. The precipitate was extracted with ethyl acetate then washed with water and saturated brine, dried over anhydrous sodium sulfate filtered and concentrated to afford 3-ethylbenzoic acid as a colorless oil; 0.800 g (92%). 1H NMR (CDCl3) δ (ppm): 8.70 (s, 2H), 8.33 (d, 2H), 8.24 (d, 2H), 7.64 (t, 1H), 2.70 (s, 3H).

후처리

  1. concentrationAfter concentrating the reaction mixture
  2. washthe aqueous layer was washed with dichloromethane (2×)
  3. extractionThe precipitate was extracted with ethyl acetate
  4. washthen washed with water and saturated brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-f1bf1501feb8487385fce92e8cb8483d
출처 데이터셋
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07456200B2

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