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Sodium Hydroxide → (3R,5S)-(tert-butoxycarbonyl)-5-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]piperidine-3-carboxylic acid

HRID 1509434
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HRID 1509434 반응식
[CH3:1][O:2][CH2:3][CH2:4][CH2:5][CH2:6][N:7]1[C:11]2[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=2[N:9]=[C:8]1[C:16]([N:18]([CH2:36][CH:37]([CH3:39])[CH3:38])[C@@H:19]1[CH2:24][N:23]([C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])[CH2:22][C@H:21]([C:32]([O:34]C)=[O:33])[CH2:20]1)=[O:17].[OH-].[Na+]>CO>[C:28]([O:27][C:25]([N:23]1[CH2:24][C@@H:19]([N:18]([C:16]([C:8]2[N:7]([CH2:6][CH2:5][CH2:4][CH2:3][O:2][CH3:1])[C:11]3[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=3[N:9]=2)=[O:17])[CH2:36][CH:37]([CH3:38])[CH3:39])[CH2:20][C@@H:21]([C:32]([OH:34])=[O:33])[CH2:22]1)=[O:26])([CH3:30])([CH3:31])[CH3:29]
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참가 물질

4

반응물 2

HCID 14798Sodium HydroxideHCID 583555501-tert-Butyl 3-methyl(3R,5S)-5-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]piperidine-1,3-dicarboxylate

생성물 1

HCID 58355779(3R,5S)-(tert-butoxycarbonyl)-5-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]piperidine-3-carboxylic acid수율 102.6%

시약·촉매·용매 1

HCID 887Methanol용매

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온도
50 °C

실험 절차

1-tert-Butyl 3-methyl (3R,5S)-5-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]piperidine-1,3-dicarboxylate (15 g) was dissolved in methanol (150 ml), 4N-aqueous sodium hydroxide solution (250 ml) was added, and the mixture was stirred at 50° C. for 1 hr. The solvent was evaporated under reduced pressure, and the residue was ice-cooled, neutralized with 2N hydrochloric acid, and extracted twice ethyl acetate (500 ml). The extract was washed with brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was dried under reduced pressure to give the object product (15.0 g).

후처리

  1. customThe solvent was evaporated under reduced pressure
  2. temperaturecooled
  3. extractionextracted twice ethyl acetate (500 ml)
  4. washThe extract was washed with brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. customThe solvent was evaporated under reduced pressure
  7. customThe residue was dried under reduced pressure

출처 및 근거

ORD 기록
ord-de1ebcb1f6544e599ff1db2a94481f69
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09221836B2

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