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Hydrochloric Acid → (R)-3-[1-(1,4-Dimethyl-1H-indol-3-ylmethyl)-5-methyl-2-oxo-1,2-dihydro-imidazo[4,5-b]pyridin-3-yl]-3-phenyl-propionic acid

HRID 2175170
ノート
印刷プレビュー

反応式

HRID 2175170 の反応式
C([O:3][C:4](=[O:36])[CH2:5][C@@H:6]([N:13]1[C:17]2=[N:18][C:19]([CH3:22])=[CH:20][CH:21]=[C:16]2[N:15]([CH2:23][C:24]2[C:32]3[C:27](=[CH:28][CH:29]=[CH:30][C:31]=3[CH3:33])[N:26]([CH3:34])[CH:25]=2)[C:14]1=[O:35])[C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1)C.[OH-].[Na+].Cl>CO>[CH3:34][N:26]1[C:27]2[C:32](=[C:31]([CH3:33])[CH:30]=[CH:29][CH:28]=2)[C:24]([CH2:23][N:15]2[C:16]3[C:17](=[N:18][C:19]([CH3:22])=[CH:20][CH:21]=3)[N:13]([C@@H:6]([C:7]3[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=3)[CH2:5][C:4]([OH:36])=[O:3])[C:14]2=[O:35])=[CH:25]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 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 58497460(R)-3-[1-(1,4-Dimethyl-1H-indol-3-ylmethyl)-5-methyl-2-oxo-1,2-dihydro-imidazo[4,5-b]pyridin-3-yl]-3-phenyl-propionic acid ethyl ester

生成物 1

HCID 58497404(R)-3-[1-(1,4-Dimethyl-1H-indol-3-ylmethyl)-5-methyl-2-oxo-1,2-dihydro-imidazo[4,5-b]pyridin-3-yl]-3-phenyl-propionic acid収率 77.3%

試薬・触媒・溶媒 1

HCID 887
Methanol
溶媒

実験手順

To a solution of (R)-3-[1-(1,4-dimethyl-1H-indol-3-ylmethyl)-5-methyl-2-oxo-1,2-dihydro-imidazo[4,5-b]pyridin-3-yl]-3-phenyl-propionic acid ethyl ester (200 mg, 0.41 mmol) in MeOH (5 mL) was added 2N NaOH (2 mL). The reaction mixture was stirred at room temperature for 2 hours. The reaction mixture was then treated with 1N HCl and extracted with CH2Cl2 twice. The combined organic phase was dried over Na2SO4 and concentrated. The resulting residue was purified by silica gel preparative TLC using 95:5 CH2Cl2:MeOH as an eluent to afford 144 mg (76%) of the title compound as off-white solid. LCMS, M++1, m/z: 455.00.

後処理

  1. extractionextracted with CH2Cl2 twice
  2. dry with materialThe combined organic phase was dried over Na2SO4
  3. concentrationconcentrated
  4. customThe resulting residue was purified by silica gel preparative TLC

出典と根拠

ORDレコード
ord-9ba96d6b36d54a8b93b867cf9a3ebf10
出典データセット
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09062056B2

反応ノート

読み込み中…

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