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Sodium hydride → Methyl 4-[2-(4-morpholinyl)ethoxy]phenylacetate

HRID 2257024
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HRID 2257024 반응식
[H-].[Na+].[OH:3][C:4]1[CH:9]=[CH:8][C:7]([CH2:10][C:11]([O:13][CH3:14])=[O:12])=[CH:6][CH:5]=1.Cl.Cl[CH2:17][CH2:18][N:19]1[CH2:24][CH2:23][O:22][CH2:21][CH2:20]1>CN(C=O)C>[N:19]1([CH2:18][CH2:17][O:3][C:4]2[CH:5]=[CH:6][C:7]([CH2:10][C:11]([O:13][CH3:14])=[O:12])=[CH:8][CH:9]=2)[CH2:24][CH2:23][O:22][CH2:21][CH2:20]1
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참가 물질

5

반응물 3

HCID 24758Sodium hydrideHCID 77210Morpholine, 4-(2-chloroethyl)-, hydrochloride (1:1)HCID 518900Benzeneacetic acid, 4-hydroxy-, methyl ester

생성물 1

HCID 21830903Methyl 4-[2-(4-morpholinyl)ethoxy]phenylacetate수율 69.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

97% NaH (3.56 g, 0.14 mol) was suspended in DMF (100 ml) and methyl 4-hydroxyphenylacetate (10 g, 0.06 mol) was added. The reaction mixture was stirred for 0.5 hours, then N-(2-chloroethyl)morpholine hydrochloride (11.2 g) was added and the reaction mixture was stirred at room temperature for about 2 days, and then was heated on a steam bath for 2 hours. The reaction mixture was cooled, filtered and the filtrate was stripped. The residue was partitioned between water and ether, the layers were separated and the aqueous layer was extracted with ether. The organic layers were combined, washed with brine, and dried over MgSO4, filtered and concentrated to afford 11.59 g (69%) of methyl 4-[2-(4-morpholinyl)ethoxy]phenylacetate.

후처리

  1. stirringthe reaction mixture was stirred at room temperature for about 2 days
  2. temperaturewas heated on a steam bath for 2 hours
  3. temperatureThe reaction mixture was cooled
  4. filtrationfiltered
  5. customThe residue was partitioned between water and ether
  6. customthe layers were separated
  7. extractionthe aqueous layer was extracted with ether
  8. washwashed with brine
  9. dry with materialdried over MgSO4
  10. filtrationfiltered
  11. concentrationconcentrated

출처 및 근거

ORD 기록
ord-31d11aa6b193499094f997156835c70c
출처 데이터셋
uspto-grants-1997_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05656629

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