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Chloromethyl Methyl Ether → 1-[3-{[tert-Butyl(dimethyl)silyl]oxy}-2-(methoxymethoxy)propyl]-7-methoxyquinoxalin-2(1H)-one

HRID 1847001
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HRID 1847001 반응식
[Si:1]([O:8][CH2:9][CH:10]([OH:25])[CH2:11][N:12]1[C:21]2[C:16](=[CH:17][CH:18]=[C:19]([O:22][CH3:23])[CH:20]=2)[N:15]=[CH:14][C:13]1=[O:24])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].C(N(CC)C(C)C)(C)C.Cl[CH2:36][O:37][CH3:38]>ClCCl>[Si:1]([O:8][CH2:9][CH:10]([O:25][CH2:36][O:37][CH3:38])[CH2:11][N:12]1[C:21]2[C:16](=[CH:17][CH:18]=[C:19]([O:22][CH3:23])[CH:20]=2)[N:15]=[CH:14][C:13]1=[O:24])([C:4]([CH3:7])([CH3:5])[CH3:6])([CH3:3])[CH3:2]
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참가 물질

5

반응물 3

HCID 7864Chloromethyl Methyl Ether2회HCID 81531Diisopropylethylamine2회HCID 867249301-(3-{[tert-Butyl(dimethyl)silyl]oxy}-2-hydroxypropyl)-7-methoxyquinoxalin-2(1H)-one

생성물 1

HCID 867249311-[3-{[tert-Butyl(dimethyl)silyl]oxy}-2-(methoxymethoxy)propyl]-7-methoxyquinoxalin-2(1H)-one수율 39%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매
2회

실험 절차

1-(3-{[Tert-butyl(dimethyl)silyl]oxy}-2-hydroxypropyl)-7-methoxyquinoxalin-2(1H)-one (2.0 g, 5.49 mmol) was dissolved in dichloromethane (30 ml). N,N-Diisopropylethylamine (3.35 ml, 19.22 mmol) and chloromethylmethyl ether (1.04 ml, 13.73 mmol) were added to this solution under cooling on ice, and the mixture was stirred for 2 hours. N,N-Diisopropylethylamine (3.35 ml, 19.22 mmol) and chloromethylmethyl ether (1.04 ml, 13.73 mmol) were further added to the reaction solution and stirred for 14 hours, and the reaction solution was diluted with dichloromethane and washed with water. The organic layer was dried over anhydrous sodium sulfate, the solvent was removed under reduced pressure, and the residue was purified by silica gel column chromatography (hexane/ethyl acetate) to yield 863 mg (39%) of the title compound in the form of a yellow oily product.

후처리

  1. temperatureunder cooling on ice
  2. stirringstirred for 14 hours
  3. washwashed with water
  4. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  5. customthe solvent was removed under reduced pressure
  6. customthe residue was purified by silica gel column chromatography (hexane/ethyl acetate)

출처 및 근거

ORD 기록
ord-32e5f2a837cd4adba705dd1c663f42ec
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08952010B2

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