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Methanol → 3-[3-(1-Carboxy-1-methyl-ethoxy)-4-methyl-phenyl]-piperidine-1-carboxylic acid 4-trifluoromethyl-benzyl ester

HRID 1269536
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HRID 1269536 반응식
[F:1][C:2]([F:36])([F:35])[C:3]1[CH:34]=[CH:33][C:6]([CH2:7][O:8][C:9]([N:11]2[CH2:16][CH2:15][CH2:14][CH:13]([C:17]3[CH:22]=[CH:21][C:20]([CH3:23])=[C:19]([O:24][C:25]([C:28]([O:30]CC)=[O:29])([CH3:27])[CH3:26])[CH:18]=3)[CH2:12]2)=[O:10])=[CH:5][CH:4]=1.C(=O)([O-])[O-].[K+].[K+].CO>O>[F:35][C:2]([F:1])([F:36])[C:3]1[CH:34]=[CH:33][C:6]([CH2:7][O:8][C:9]([N:11]2[CH2:16][CH2:15][CH2:14][CH:13]([C:17]3[CH:22]=[CH:21][C:20]([CH3:23])=[C:19]([O:24][C:25]([C:28]([OH:30])=[O:29])([CH3:27])[CH3:26])[CH:18]=3)[CH2:12]2)=[O:10])=[CH:5][CH:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 887MethanolHCID 11430Potassium CarbonateHCID 688868503-[3-(1-Ethoxycarbonyl-1-methyl-ethoxy)-4-methyl-phenyl]-piperidine-1-carboxylic acid 4-trifluoromethyl-benzyl ester

생성물 1

HCID 103450363-[3-(1-Carboxy-1-methyl-ethoxy)-4-methyl-phenyl]-piperidine-1-carboxylic acid 4-trifluoromethyl-benzyl ester수율 94%

시약·촉매·용매 1

HCID 962
Water
용매

실험 절차

A mixture of 3-[3-(1-ethoxycarbonyl-1-methyl-ethoxy)-4-methyl-phenyl]-piperidine-1-carboxylic acid 4-trifluoromethyl-benzyl ester (156 mg, 0.31 mmol), potassium carbonate (85 mg, 0.62 mmol), methanol (10 mL) and water (2 mL) was heated at reflux for 3 h, cooled to room temperature and concentrated under reduced pressure. The resulting residue was taken up in water (50 mL), acidified with 1N aqueous hydrochloric acid and extracted with ethyl acetate (2×50 mL). The combined organic extracts were washed with saturated aqueous sodium chloride, dried over anhydrous sodium sulfate, filtered, concentrated under reduced pressure to yield 139 mg (94%) of 3-[3-(1-carboxy-1-methyl-ethoxy)-4-methyl-phenyl]-piperidine-1-carboxylic acid 4-trifluoromethyl-benzyl ester as a white solid.

후처리

  1. temperaturewas heated
  2. temperatureat reflux for 3 h
  3. concentrationconcentrated under reduced pressure
  4. extractionextracted with ethyl acetate (2×50 mL)
  5. washThe combined organic extracts were washed with saturated aqueous sodium chloride
  6. dry with materialdried over anhydrous sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-0e328756097745bc8bc6d54338499c63
출처 데이터셋
uspto-grants-2007_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07199243B2

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