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Sodium hydride → HCID 54288573, 화합물

HRID 2225808
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HRID 2225808 반응식
[CH3:1][O:2][C:3](=[O:13])[C:4](=[O:12])[C:5]1[CH:10]=[CH:9][C:8]([OH:11])=[CH:7][CH:6]=1.[H-].[Na+].[CH:16]1([NH:24][C:25](=[O:28])[CH2:26]Br)[CH2:23][CH2:22][CH2:21][CH2:20][CH2:19][CH2:18][CH2:17]1>CN(C)C=O>[CH3:1][O:2][C:3](=[O:13])[C:4](=[O:12])[C:5]1[CH:10]=[CH:9][C:8]([O:11][CH2:26][C:25]([NH:24][CH:16]2[CH2:23][CH2:22][CH2:21][CH2:20][CH2:19][CH2:18][CH2:17]2)=[O:28])=[CH:7][CH:6]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 24758Sodium hydrideHCID 3084696Benzeneacetic acid, 4-hydroxy-alpha-oxo-, methyl esterHCID 190044022-Bromo-N-cyclooctylacetamide

생성물 1

HCID 54288573HCID 54288573, 화합물수율 40.8%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매2회

실험 절차

Bromoacetyl chloride (0.25 mL) was added slowly to a chilled (ice-water-bath) solution of cyclooctylamine (0.763g) in dichloromethane (15 mL) and the mixture was stirred with cooling for 45 minutes, then at room temperature overnight. After water (20 mL) was added, the layers were separated and the dried organic layer (MgSO4) was evaporated to provide 0.7 g of N-cycloocyl-bromoacetamide. A solution of 4-hydroxy-alpha-oxobenzeneacetic acid methyl ester (0.605 g) in dimethylformamide (8 mL) under argon was treated with 55% sodium hydride (0.147 g), stirred for 30 minutes and then N-cyclooctyl-bromoacetamide (0.7 g) in dimethylformamide (5 mL) was added. The solution was stirred at room temperature for 18 hours and worked up as in Example 20. The crude material was purified by flash chromatography (ethyl acetate-hexane; 3:7) to yield 0.4 g of 4-[2-(cyclooctylamino)-2-oxoethoxy]-alpha-oxobenzeneacetic acid methyl ester as an oil.

후처리

  1. stirringThe solution was stirred at room temperature for 18 hours
  2. customThe crude material was purified by flash chromatography (ethyl acetate-hexane; 3:7)

출처 및 근거

ORD 기록
ord-1e303509778f4e74812ebedeced39728
출처 데이터셋
uspto-grants-1994_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05344843

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