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Sodium Hydroxide → 7-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2,2-dimethyl-7-phenylheptanoic acid

HRID 1464529
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HRID 1464529 반응식
[OH-].[Na+].[CH3:3][O:4][C:5]1[C:10]([CH3:11])=[C:9]([CH3:12])[C:8]([O:13][CH3:14])=[C:7]([CH3:15])[C:6]=1[CH:16]([C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=1)[CH2:17][CH2:18][CH2:19][CH2:20][C:21]([CH3:28])([CH3:27])[C:22]([O:24]CC)=[O:23]>C(O)C>[CH3:3][O:4][C:5]1[C:10]([CH3:11])=[C:9]([CH3:12])[C:8]([O:13][CH3:14])=[C:7]([CH3:15])[C:6]=1[CH:16]([C:29]1[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=1)[CH2:17][CH2:18][CH2:19][CH2:20][C:21]([CH3:28])([CH3:27])[C:22]([OH:24])=[O:23]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 14798Sodium HydroxideHCID 19088026Ethyl 7-(2,5-dimethoxy-3,4,6-trimethylphenyl)-2,2-dimethyl-7-phenylheptanoate

생성물 1

HCID 190880747-(2,5-Dimethoxy-3,4,6-trimethylphenyl)-2,2-dimethyl-7-phenylheptanoic acid수율 99%

시약·촉매·용매 1

HCID 702Ethanol용매

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온도
90 °C

실험 절차

3N Sodium hydroxide (9 ml) was added to a solution of 1.20 g (2.73 mmole) of ethyl 7-(2,5-dimethoxy-3,4,6-trimethylphenyl)-2,2-dimethyl-7-phenylheptanoate in ethanol (12 ml), followed by stirring at 90° C. overnight (15 hours). After cooling by standing at room temperature, the ethanol was distilled off under reduced pressure, and the residue was made acid by adding a 10% aqueous phosphoric acid solution, followed by extraction of the product with isopropyl ether. The isopropyl ether layer was washed with aqueous sodium hydrochloride solution, dried (magnesium sulfate) and evaporated to give 1.11 g (99%) of 7-(2,5-dimethoxy-3,4,6-trimethylphenyl)-2,2-dimethyl-7-phenylheptanoic acid. Its typical physical properties and nuclear magnetic resonance spectrum data are shown in Table 14.

후처리

  1. temperatureAfter cooling
  2. customby standing at room temperature
  3. distillationthe ethanol was distilled off under reduced pressure
  4. additionby adding a 10% aqueous phosphoric acid solution
  5. extractionfollowed by extraction of the product with isopropyl ether
  6. washThe isopropyl ether layer was washed with aqueous sodium hydrochloride solution
  7. dry with materialdried (magnesium sulfate)
  8. customevaporated

출처 및 근거

ORD 기록
ord-dd8279bd3f19434e86b244c90abd2244
출처 데이터셋
uspto-grants-1994_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05304658

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