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

HRID 642277
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반응식

HRID 642277 반응식
[CH2:1]([O:3][C:4]([C:6]1[S:10][C:9]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)=[N:8][C:7]=1[CH2:17]Br)=[O:5])[CH3:2].[CH2:19]([O:21][C:22](=[O:36])[CH2:23][NH:24][CH2:25][C:26]1[CH:31]=[CH:30][C:29]([O:32][CH3:33])=[CH:28][C:27]=1[O:34][CH3:35])[CH3:20].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][CH:14]=[CH:13][CH:12]=2)=[N:8][C:7]=1[CH2:17][N:24]([CH2:25][C:26]1[CH:31]=[CH:30][C:29]([O:32][CH3:33])=[CH:28][C:27]=1[O:34][CH3:35])[CH2:23][C:22]([O:21][CH2:19][CH3:20])=[O:36])=[O:5])[CH3:2]
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 12736369Ethyl 4-(bromomethyl)-2-phenyl-1,3-thiazole-5-carboxylateHCID 19895532Ethyl 2-(2,4-dimethoxybenzylamino)acetate

생성물 1

HCID 684272284-{[(2,4-Dimethoxy-benzyl)-ethoxycarbonylmethyl-amino]-methyl}-2-phenyl-thiazole-5-carboxylic acid ethyl ester수율 70.4%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

A mixture of 4-bromomethyl-2-phenyl-thiazole-5-carboxylic acid ethyl ester (5.29 g, 16.3 mmol), (2,4-dimethoxy-benzylamino)-acetic acid ethyl ester (4.12 g, 16.3 mmol) and potassium carbonate (3.37 g, 24.4 mmol) in anhydrous dimethylformamide (50 mL) was stirred at room temperature for 16 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 499.0 (M+H+), 521.2 (M+Na+).

후처리

  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

출처 및 근거

ORD 기록
ord-679c6d58713044399b1beac66ada98ca
출처 데이터셋
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07696223B2

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