Sodium methanolate methanol → tert-butyl (3R,5S)-3-(1-hydroxy-2-methoxyethyl)-5-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]piperidine-1-carboxylate
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]([CH2:35][CH:36]([CH3:38])[CH3:37])[C@H:19]1[CH2:24][C@@H:23]([CH:25]2[CH2:27][O:26]2)[CH2:22][N:21]([C:28]([O:30][C:31]([CH3:34])([CH3:33])[CH3:32])=[O:29])[CH2:20]1)=[O:17].[CH3:39][O-:40].[Na+].CO>CO>[OH:26][CH:25]([C@@H: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])[CH2:35][CH:36]([CH3:38])[CH3:37])[CH2:20][N:21]([C:28]([O:30][C:31]([CH3:32])([CH3:34])[CH3:33])=[O:29])[CH2:22]1)[CH2:27][O:40][CH3:39]참가 물질
4
반응물 2
생성물 1
시약·촉매·용매 1
반응 조건
- 온도
- 70 °C
실험 절차
tert-Butyl (3S,5R)-3-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]-5-oxirane-2-ylpiperidine-1-carboxylate (200 mg) was dissolved in methanol (5 ml), 28% sodium methylate-methanol solution was added, and the mixture was stirred at 70° C. for 6 hr. The solvent was evaporated under reduced pressure, and the residue was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was subjected to silica gel column chromatography, and a fraction eluted with ethyl acetate-hexane (1:1-1:0) was concentrated under reduced pressure to give the object product (157 mg). MS (ESI+, m/e) 561(M+1)
후처리
- customThe solvent was evaporated under reduced pressure
- extractionthe residue was extracted with ethyl acetate
- washThe extract was washed with saturated brine
- dry with materialdried over anhydrous sodium sulfate
- customThe solvent was evaporated under reduced pressure
- washa fraction eluted with ethyl acetate-hexane (1:1-1:0)
- concentrationwas concentrated under reduced pressure
출처 및 근거
- ORD 기록
- ord-4d545112da954c5dbc163a40c278a577
- 출처 데이터셋
- uspto-grants-2014_03
- 특허 번호
- US08664380B2
반응 노트
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