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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
ノート
印刷プレビュー

反応式

HRID 1269536 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 962
Water
溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-0e328756097745bc8bc6d54338499c63
出典データセット
uspto-grants-2007_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07199243B2

反応ノート

読み込み中…

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