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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
ノート
印刷プレビュー

反応式

HRID 2168971 の反応式
[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]
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 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、化合物

生成物 1

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

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-e070c6b2376748ae812d5c2154262f2c
出典データセット
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09045436B2

反応ノート

読み込み中…

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