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1,1'-Carbonyldiimidazole → 1-(4-Methyl-5-(3-methyl-1,2,4-oxadiazol-5-yl)thiazol-2-yl)-3-(4-(trifluoromethyl)benzyl)imidazolidin-2-one

HRID 560861
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HRID 560861 반응식
[CH3:1][C:2]1[N:3]=[C:4]([N:10]2[CH2:14][CH2:13][N:12]([CH2:15][C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)[C:11]2=[O:26])[S:5][C:6]=1[C:7](O)=[O:8].C(N1C=CN=C1)(N1C=CN=C1)=O.O[NH:40][C:41](=[NH:43])[CH3:42]>CN(C)C=O.C(OCC)(=O)C>[CH3:1][C:2]1[N:3]=[C:4]([N:10]2[CH2:14][CH2:13][N:12]([CH2:15][C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:24])([F:23])[F:25])=[CH:18][CH:17]=3)[C:11]2=[O:26])[S:5][C:6]=1[C:7]1[O:8][N:43]=[C:41]([CH3:42])[N:40]=1
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참가 물질

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반응물 3

HCID 682631,1'-CarbonyldiimidazoleHCID 579199574-Methyl-2-(2-oxo-3-(4-(trifluoromethyl)benzyl)imidazolidin-1-yl)thiazole-5-carboxylic acidHCID 178465666HCID 178465666, 화합물2회

생성물 1

HCID 580315321-(4-Methyl-5-(3-methyl-1,2,4-oxadiazol-5-yl)thiazol-2-yl)-3-(4-(trifluoromethyl)benzyl)imidazolidin-2-one수율 15%

시약·촉매·용매 2

HCID 6228
Dimethylformamide
용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 4-methyl-2-(2-oxo-3-(4-(trifluoromethyl)benzyl)imidazolidin-1-yl)thiazole-5-carboxylic acid (0.39 g, 1.00 mmol) in N,N-dimethylformamide (10 mL) was added 1,1′-carbonyldiimidazole (0.24 g, 1.50 mmol). The reaction mixture was stirred at ambient temperature for 10 minutes, and N-hydroxyacetamidine (0.08 g, 1.1 mmol) was added. The stirring was continued at ambient temperature for 6 hours, and another portion of N-hydroxyacetamidine (0.08 g, 1.1 mmol) was added. The reaction mixture was heated for 23 hours at 110° C. and cooled to ambient temperature, diluted with ethyl acetate and washed with water and brine. The organic solution was dried over anhydrous sodium sulfate, and filtered and concentrated in vacuo. The residue was purified by column chromatography to afford the title compound in 15% yield (0.06 g): mp 163-164° C. (ethyl acetate): 1H NMR (300 MHz, CDCl3) δ 7.60 (d, J=8.1 Hz, 2 H), 7.41 (d, J=8.1 Hz, 2H), 4.55 (s, 2H), 4.15-4.09 (m, 2H), 3.51-3.45 (m, 2 H), 2.68 (s, 3H), 2.41 (s, 3H): 13C NMR (75 MHz, CDCl3) δ 170.8, 167.3, 160.5, 155.3, 154.5, 139.6. 128.5, 125.9, 125.8, 122.1, 109.0, 47.6, 421 41.9, 17.5, 11.6: MS (ES+) m/z 424.1 (M+1).

후처리

  1. waitThe stirring was continued at ambient temperature for 6 hours
  2. temperatureThe reaction mixture was heated for 23 hours at 110° C.
  3. temperaturecooled to ambient temperature
  4. washwashed with water and brine
  5. dry with materialThe organic solution was dried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by column chromatography

출처 및 근거

ORD 기록
ord-14554aa601b6460d8d47c6e8e2cc2713
출처 데이터셋
uspto-grants-2011_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08063084B2

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