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Water → N-{4-(4-(5-Methoxypyrazin-2-ylthio)-2,6-dimethylphenyl)thiazol-2-yl}isonicotinamide

HRID 1465571
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HRID 1465571 반응식
I[C:2]1[CH:7]=[C:6]([CH3:8])[C:5]([C:9]2[N:10]=[C:11]([NH:14][C:15](=[O:22])[C:16]3[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=3)[S:12][CH:13]=2)=[C:4]([CH3:23])[CH:3]=1.[CH3:24][O:25][C:26]1[N:27]=[CH:28][C:29]([SH:32])=[N:30][CH:31]=1.C(=O)([O-])[O-].[K+].[K+].O>CN(C=O)C.[Cu](I)I>[CH3:24][O:25][C:26]1[N:27]=[CH:28][C:29]([S:32][C:2]2[CH:7]=[C:6]([CH3:8])[C:5]([C:9]3[N:10]=[C:11]([NH:14][C:15](=[O:22])[C:16]4[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=4)[S:12][CH:13]=3)=[C:4]([CH3:23])[CH:3]=2)=[N:30][CH:31]=1
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참가 물질

7

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 58442460N-(4-(4-iodo-2,6-dimethylphenyl)thiazol-2-yl)isonicotinamideHCID 178493800HCID 178493800, 화합물

생성물 1

HCID 71586284N-{4-(4-(5-Methoxypyrazin-2-ylthio)-2,6-dimethylphenyl)thiazol-2-yl}isonicotinamide수율 75.1%

시약·촉매·용매 2

HCID 83717
Copper iodide
촉매
HCID 6228Dimethylformamide용매

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온도
80 °C

실험 절차

A mixture of N-(4-(4-iodo-2,6-dimethylphenyl)thiazol-2-yl)isonicotinamide (25-1, 173.5 mg, 0.40 mmol), 5-methoxypyrazine-2-thiol (25-2, 170 mg, 17.5 mmol), copper iodide (3.8 mg, 0.02 mmol), and potassium carbonate (165.3 mg, 1.2 mmol) in DMF (2 mL) was heated at 80° C. for 16 h. The solution was added with water and extracted with ethyl acetate. The organic layer was collected, dried over MgSO4(s), and concentrated under reduced pressure. The residue was purified by flash column chromatography on silica gel (20% EtOAc in hexanes as eluant) to provide N-{4-(4-(5-methoxypyrazin-2-ylthio)-2,6-dimethylphenyl)thiazol-2-yl}isonicotinamide (25, 135 mg) as yellow solids in 24% yield: 1H NMR (500 MHz, DMSO-d6) δ 8.77 (s, 2 H), 8.28 (s, 1 H), 8.18 (s, 1 H), 7.94-7.95 (m, 2 H), 7.14-7.21 (m, 3 H), 3.88 (s, 3 H), 2.03 (s, 6 H). ESI-MS: m/z 450.3 (M+H)+.

후처리

  1. extractionextracted with ethyl acetate
  2. customThe organic layer was collected
  3. dry with materialdried over MgSO4(s)
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by flash column chromatography on silica gel (20% EtOAc in hexanes as eluant)

출처 및 근거

ORD 기록
ord-9c138780b82d49a18383d9bb2d47c227
출처 데이터셋
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08999983B2

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