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Ammonium Chloride → tert-butyl (3S,5R)-3-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]-5-propanoyl-piperidine-1-carboxylate

HRID 2168971
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HRID 2168971 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]([CH2:38][CH:39]([CH3:41])[CH3:40])[C@H:19]1[CH2:24][C@@H:23]([C:25](=[O:30])N(OC)C)[CH2:22][N:21]([C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])[CH2:20]1)=[O:17].[CH2:42]([Mg]Br)[CH3:43].C1COCC1.[Cl-].[NH4+]>C1COCC1>[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]([CH2:38][CH:39]([CH3:40])[CH3:41])[C@H:19]1[CH2:24][C@@H:23]([C:25](=[O:30])[CH2:42][CH3:43])[CH2:22][N:21]([C:31]([O:33][C:34]([CH3:37])([CH3:35])[CH3:36])=[O:32])[CH2:20]1)=[O:17]
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참가 물질

5

반응물 3

HCID 25517Ammonium ChlorideHCID 58355290tert-butyl (3S,5R)-3-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]-5-[methoxy(methyl)carbamoyl]piperidine-1-carboxylateHCID 178420660HCID 178420660, 화합물

생성물 1

HCID 67025990tert-butyl (3S,5R)-3-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]-5-propanoyl-piperidine-1-carboxylate

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

To a solution of tert-butyl (3S,5R)-3-[{[1-(4-methoxybutyl)-1H-benzimidazol-2-yl]carbonyl}(2-methylpropyl)amino]-5-[methoxy(methyl)carbamoyl]piperidine-1-carboxylate (22.7 g) in THF (20 ml) was added 1M-ethylmagnesium bromide-THF solution (119 ml) at room temperature, and the mixture was stirred at room temperature for 5 hr. The reaction mixture was poured into saturated aqueous ammonium chloride solution, and the mixture was extracted with ethyl acetate. The extract was washed with water and 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 (1:9-3:2) was concentrated under reduced pressure to give the object product (14.96 g).

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with water and saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. washa fraction eluted with ethyl acetate-hexane (1:9-3:2)
  6. concentrationwas concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-e070c6b2376748ae812d5c2154262f2c
출처 데이터셋
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09045436B2

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