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Sodium Hydroxide → [4-Acetyl-3-[2-[2-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]-2-propylphenoxy]acetic acid

HRID 2164954
ノート
印刷プレビュー

反応式

HRID 2164954 の反応式
C([O:3][C:4](=[O:45])[CH2:5][O:6][C:7]1[CH:12]=[CH:11][C:10]([C:13](=[O:15])[CH3:14])=[C:9]([O:16][CH2:17][CH2:18][O:19][CH2:20][CH2:21][O:22][CH2:23][CH2:24][O:25][CH2:26][CH2:27][O:28][C:29]2[CH:34]=[CH:33][C:32]([C:35](=[O:37])[CH3:36])=[C:31]([OH:38])[C:30]=2[CH2:39][CH2:40][CH3:41])[C:8]=1[CH2:42][CH2:43][CH3:44])C.[OH-].[Na+]>CO>[C:13]([C:10]1[CH:11]=[CH:12][C:7]([O:6][CH2:5][C:4]([OH:45])=[O:3])=[C:8]([CH2:42][CH2:43][CH3:44])[C:9]=1[O:16][CH2:17][CH2:18][O:19][CH2:20][CH2:21][O:22][CH2:23][CH2:24][O:25][CH2:26][CH2:27][O:28][C:29]1[CH:34]=[CH:33][C:32]([C:35](=[O:37])[CH3:36])=[C:31]([OH:38])[C:30]=1[CH2:39][CH2:40][CH3:41])(=[O:15])[CH3:14]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 14798Sodium HydroxideHCID 14329981[4-Acetyl-3-[2-[2-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]ethoxy]-ethoxy]-2-propylphenoxy]acetic acid ethyl ester

生成物 1

HCID 14329980[4-Acetyl-3-[2-[2-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]-2-propylphenoxy]acetic acid収率 66%

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

A solution of 1.25 g (0.002 mole) of [4-acetyl-3-[2-[2-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]-2-propylphenoxy]acetic acid ethyl ester in 30 ml of methanol and 10 ml (0.01 mole) of 1.0N sodium hydroxide was stirred at reflux for 5 hours. Most of the solvent was removed in vacuo and the pH of the residue was adjusted to 2.0 with 6N hydrochloric acid. The product was extracted with methyl acetate and the dried (magnesium sulfate) extract was concentrated in vacuo to an oil which was purified by chromatography on 75 g of silica gel. Elution with toluene-ethyl acetate-acetic acid (65:25:10) gave 0.79 g (66% yield) of [4-acetyl-3-[2-[2-[2-[2-(4-acetyl-3-hydroxy-2-propylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]-2-propylphenoxy]acetic acid as an oil.

後処理

  1. temperatureat reflux for 5 hours
  2. customMost of the solvent was removed in vacuo
  3. extractionThe product was extracted with methyl acetate
  4. dry with materialthe dried (magnesium sulfate)
  5. extractionextract
  6. concentrationwas concentrated in vacuo to an oil which
  7. customwas purified by chromatography on 75 g of silica gel
  8. washElution with toluene-ethyl acetate-acetic acid (65:25:10)

出典と根拠

ORDレコード
ord-1fb0c8a8ace34515bcc47dc16dcd11d8
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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