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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 2164945
ノート
印刷プレビュー

反応式

HRID 2164945 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 2

HCID 180
Acetone
溶媒
HCID 6228Dimethylformamide溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-f19407219aa64dfa999948d79a483407
出典データセット
uspto-grants-1985_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04507498

反応ノート

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