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Potassium Carbonate → 4-[4-Acetyl-3-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]-2-propylphenoxy]butanoic acid ethyl ester

HRID 2231470
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HRID 2231470 반응식
[OH:1][C:2]1[C:7]([CH2:8][CH2:9][CH3:10])=[C:6](O)[CH:5]=[CH:4][C:3]=1[C:12](=[O:14])[CH3:13].[CH2:15]([O:17][C:18](=[O:46])[CH2:19][CH2:20][CH2:21][O:22][C:23]1[CH:28]=[CH:27][C:26]([C:29](=[O:31])[CH3:30])=[C:25]([O:32][CH2:33][CH2:34][O:35][CH2:36][CH2:37][O:38]S(C)(=O)=O)[C:24]=1[CH2:43][CH2:44][CH3:45])[CH3:16].C(=O)([O-])[O-].[K+].[K+]>CC(C)=O.CN(C)C=O>[CH2:15]([O:17][C:18](=[O:46])[CH2:19][CH2:20][CH2:21][O:22][C:23]1[CH:28]=[CH:27][C:26]([C:29](=[O:31])[CH3:30])=[C:25]([O:32][CH2:33][CH2:34][O:35][CH2:36][CH2:37][O:38][C:6]2[CH:5]=[CH:4][C:3]([C:12](=[O:14])[CH3:13])=[C:2]([OH:1])[C:7]=2[CH2:8][CH2:9][CH3:10])[C:24]=1[CH2:43][CH2:44][CH3:45])[CH3:16]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 27751982',4'-Dihydroxy-3'-propylacetophenoneHCID 143300094-[4-Acetyl-3-[2-[2-[(methylsulfonyl)oxy]ethoxy]-ethoxy]-2-propylphenoxy]butanoic acid ethyl ester

생성물 1

HCID 143299774-[4-Acetyl-3-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]-2-propylphenoxy]butanoic acid ethyl ester수율 18%

시약·촉매·용매 2

HCID 180
Acetone
용매
HCID 6228Dimethylformamide용매

실험 절차

A mixture of 1 g (0.0052 mol) of 1-(2,4-dihydroxy-3-propylphenyl)ethanone, 2.45 g (0.0052 mol) of 4-[4-acetyl-3-[2-[2-[(methylsulfonyl)oxy]ethoxy]-ethoxy]-2-propylphenoxy]butanoic acid ethyl ester and 2.6 g (0.019 mol) of anhydrous potassium carbonate in 100 ml of anhydrous acetone and 50 ml of anhydrous dimethylformamide was stirred at reflux for 19 hours. The reaction mixture was filtered and the filtrate was concentrated in vacuo to an oil which was treated with ethyl acetate and sodium chloride solution. The organic phase was washed with 1N sodium hydroxide solution and sodium chloride solution. The yellow oil obtained on concentration of the ethyl acetate was purified by column chromatography, eluting with 5% ethyl acetate-toluene to yield 0.526 g (18% yield) of 4-[4-acetyl-3-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]-2-propylphenoxy]butanoic acid ethyl ester as a pale yellow oil.

후처리

  1. temperatureat reflux for 19 hours
  2. filtrationThe reaction mixture was filtered
  3. concentrationthe filtrate was concentrated in vacuo to an oil which
  4. additionwas treated with ethyl acetate and sodium chloride solution
  5. washThe organic phase was washed with 1N sodium hydroxide solution and sodium chloride solution
  6. customThe yellow oil obtained on concentration of the ethyl acetate
  7. customwas purified by column chromatography
  8. washeluting with 5% ethyl acetate-toluene

출처 및 근거

ORD 기록
ord-3c09815f33504869a6d9c5442decc4e9
출처 데이터셋
uspto-grants-1988_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04782176

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