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Potassium Carbonate → 2-[3-(1,4-dimethyl-3H-indol-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-2-methyl-propionic acid tert-butyl ester

HRID 1747411
ノート
印刷プレビュー

反応式

HRID 1747411 の反応式
[C:1]([O:5][C:6](=[O:20])[C:7]([CH3:19])([N:9]1[C:13]2[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=2[NH:11][C:10]1=[O:18])[CH3:8])([CH3:4])([CH3:3])[CH3:2].[I-].[CH3:22][N:23]1[C:31]2[C:26](=[C:27]([CH3:32])[CH:28]=[CH:29][CH:30]=2)[C:25]([CH2:33][N+](C)(C)C)=[CH:24]1.C([O-])([O-])=O.[K+].[K+]>CN(C=O)C.CCOC(C)=O>[C:1]([O:5][C:6](=[O:20])[C:7]([N:9]1[C:13]2[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=2[N:11]([CH2:33][CH:25]2[C:26]3[C:31](=[CH:30][CH:29]=[CH:28][C:27]=3[CH3:32])[N:23]([CH3:22])[CH2:24]2)[C:10]1=[O:18])([CH3:8])[CH3:19])([CH3:2])([CH3:3])[CH3:4]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 11430Potassium CarbonateHCID 17836486((1,4-Dimethylindole-3-yl)methyl)trimethylammonium iodideHCID 594973462-Methyl-2-(2-oxo-2,3-dihydro-benzimidazol-1-yl)-propionic acid tert-butyl ester

生成物 1

HCID 673592312-[3-(1,4-dimethyl-3H-indol-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-2-methyl-propionic acid tert-butyl ester収率 68%

試薬・触媒・溶媒 2

HCID 6228
Dimethylformamide
溶媒
HCID 8857Ethyl Acetate溶媒

反応条件

温度
100 °C

実験手順

To a mixture of 2-methyl-2-(2-oxo-2,3-dihydro-benzimidazol-1-yl)-propionic acid tert-butyl ester (130 mg, 0.47 mmol) and (1,4-dimethyl-1H-indol-3-ylmethyl)-trimethylammonium iodide (250 mg, 0.73 mmol) in DMF (2.5 mL) was added K2CO3 (200 mg, 1.45 mmol). The mixture was stirred at 100° C. for 4 hours. The mixture was diluted with EtOAc (50 mL) and washed with H2O (50 mL×3). The organic layer was dried over sodium sulfate and concentrated. The resulting residue was purified by CombiFlash with 30% EtOAc in Hexane as the eluent to afford the desired 2-[3-(1,4-dimethyl-3H-indol-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-2methyl-propionic acid tert-butyl ester (138 mg, 68%).

後処理

  1. washwashed with H2O (50 mL×3)
  2. dry with materialThe organic layer was dried over sodium sulfate
  3. concentrationconcentrated
  4. customThe resulting residue was purified by CombiFlash with 30% EtOAc in Hexane as the eluent

出典と根拠

ORDレコード
ord-69f75cac6ad243258b0c45d8045d17d3
出典データセット
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09150556B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート