[4-Acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenoxy)propoxy]-2-propylphenoxy]acetic acid ethyl ester → [4-Acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenoxy)propoxy]-2-propylphenoxy]acetic acid

HRID 2231444노트

반응식

HRID 2231444 반응식
C([O:3][C:4](=[O:37])[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][CH2:19][O:20][C:21]2[CH:26]=[CH:25][C:24]([C:27](=[O:29])[CH3:28])=[C:23]([OH:30])[C:22]=2[CH2:31][CH2:32][CH3:33])[C:8]=1[CH2:34][CH2:35][CH3:36])C>C(O)C.[OH-].[Na+]>[C:13]([C:10]1[CH:11]=[CH:12][C:7]([O:6][CH2:5][C:4]([OH:37])=[O:3])=[C:8]([CH2:34][CH2:35][CH3:36])[C:9]=1[O:16][CH2:17][CH2:18][CH2:19][O:20][C:21]1[CH:26]=[CH:25][C:24]([C:27](=[O:29])[CH3:28])=[C:23]([OH:30])[C:22]=1[CH2:31][CH2:32][CH3:33])(=[O:15])[CH3:14]

참가 물질

4

실험 절차

A suspension of 1.94 g of [4-acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenoxy)propoxy]-2-propylphenoxy]acetic acid ethyl ester in 5 ml of ethanol and 20 ml of 1.0N sodium hydroxide was refluxed for 1 hour. After cooling, ice water was added and the mixture was acidified. The precipitate was extracted with methylene chloride. The dried, over magnesium sulfate, extract was concentrated in vacuo to an oil. Crystallization from ether-hexane gave 1.29 g, mp 124°-125°, (71% yield) of [4-acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenoxy)propoxy]-2-propylphenoxy]acetic acid.

후처리

  1. temperaturewas refluxed for 1 hour
  2. temperatureAfter cooling
  3. extractionThe precipitate was extracted with methylene chloride
  4. extractionThe dried, over magnesium sulfate, extract
  5. concentrationwas concentrated in vacuo to an oil
  6. customCrystallization from ether-hexane

출처 및 근거

ORD 기록
ord-22a5865a0cab4ea391f33686d999af0f
출처 데이터셋
uspto-grants-1988_11
특허 번호
US04782176

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