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Sodium Hydroxide → 2-Methoxyphenethyl alcohol

HRID 408491
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HRID 408491 반응식
[H-].[Al+3].[Li+].[H-].[H-].[H-].C[O:8][C:9](=O)[CH2:10][C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[O:17][CH3:18].[OH-].[Na+]>O1CCCC1>[CH3:18][O:17][C:12]1[CH:13]=[CH:14][CH:15]=[CH:16][C:11]=1[CH2:10][CH2:9][OH:8]
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참가 물질

5

반응물 3

HCID 14798Sodium HydroxideHCID 99590Methyl 2-methoxybenzeneacetateHCID 21226445Aluminium lithium hydride

생성물 1

HCID 819092-Methoxyphenethyl alcohol수율 57%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

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온도
0 °C

실험 절차

Lithium aluminum hydride (21 g, 0.55 mol) was added to a solution of (2-methoxy-phenyl)-acetic acid methyl ester (90 g, 0.50 mol) in anhydrous tetrahydrofuran (500 mL) at 0° C. After stirred at 0° C. for 30 minutes, the mixture was treated with sodium hydroxide (5% aqueous solution, 180 g). The mixture was extracted three times with ethyl acetate (400 mL) and the combined organic layers were washed with a saturated aqueous solution of sodium chloride, dried over sodium sulfate, filtered, and evaporated to dryness to give 2-(2-methoxy-phenyl)-ethanol (43 g, 0.28 mol, 57%), which was used directly in the next step.

후처리

  1. extractionThe mixture was extracted three times with ethyl acetate (400 mL)
  2. washthe combined organic layers were washed with a saturated aqueous solution of sodium chloride
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltered
  5. customevaporated to dryness

출처 및 근거

ORD 기록
ord-46f5291157c747c4992affd6825b5387
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08759335B2

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