Potassium Carbonate → 4-{[(2,4-Dimethoxy-benzyl)-ethoxycarbonylmethyl-amino]-methyl}-2-(4-methoxy-phenyl)-thiazole-5-carboxylic acid ethyl ester

HRID 642295ノート

反応式

HRID 642295 の反応式
[CH2:1]([O:3][C:4]([C:6]1[S:10][C:9]([C:11]2[CH:16]=[CH:15][C:14]([O:17][CH3:18])=[CH:13][CH:12]=2)=[N:8][C:7]=1[CH2:19]Br)=[O:5])[CH3:2].[CH2:21]([O:23][C:24](=[O:38])[CH2:25][NH:26][CH2:27][C:28]1[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][C:29]=1[O:36][CH3:37])[CH3:22].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[CH2:1]([O:3][C:4]([C:6]1[S:10][C:9]([C:11]2[CH:16]=[CH:15][C:14]([O:17][CH3:18])=[CH:13][CH:12]=2)=[N:8][C:7]=1[CH2:19][N:26]([CH2:27][C:28]1[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][C:29]=1[O:36][CH3:37])[CH2:25][C:24]([O:23][CH2:21][CH3:22])=[O:38])=[O:5])[CH3:2]

参加物

5

反応物 3

HCID 11430Potassium CarbonateHCID 19895532Ethyl 2-(2,4-dimethoxybenzylamino)acetateHCID 684274184-Bromomethyl-2-(4-methoxy-phenyl)-thiazole-5-carboxylic acid ethyl ester

生成物 1

HCID 684265294-{[(2,4-Dimethoxy-benzyl)-ethoxycarbonylmethyl-amino]-methyl}-2-(4-methoxy-phenyl)-thiazole-5-carboxylic acid ethyl ester収率 226.4%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

A mixture of 4-bromomethyl-2-(4-methoxy-phenyl)-thiazole-5-carboxylic acid ethyl ester (1.70 g, 4.78 mmol), (2,4-dimethoxy-benzylamino)-acetic acid ethyl ester (1.21 g, 4.78 mmol) and potassium carbonate (992 mg, 7.18 mmol) in anhydrous dimethylformamide (15 mL) was stirred at room temperature for 18 h before it was quenched with water, extracted with ethyl acetate. The organic layer was washed with water, brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel with a gradient of ethyl acetate and hexanes to give the title compound as a yellow oil (5.72 g): MS: (+) m/z 529.10 (M+H+), 551.20 (M+Na+).

後処理

  1. customwas quenched with water
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with water, brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by flash column chromatography on silica gel with a gradient of ethyl acetate and hexanes

出典と根拠

ORDレコード
ord-c176288dab5941babeffe0510a92b29b
出典データセット
uspto-grants-2010_04
特許番号
US07696223B2

反応ノート

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