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Water → 2-Propen-1-yl {3-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate

HRID 590035
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HRID 590035 반응식
[Cl:1][C:2]1[N:7]=[C:6]([CH2:8][C:9]([C:11]2[C:12]([F:24])=[C:13]([NH:17][C:18](=[O:23])[O:19][CH2:20][CH:21]=[CH2:22])[CH:14]=[CH:15][CH:16]=2)=O)[CH:5]=[CH:4][N:3]=1.C1C(=O)N(Br)C(=O)C1.[CH3:33][C:34]([CH3:39])([CH3:38])[C:35](=[S:37])[NH2:36].O>CC(N(C)C)=O>[Cl:1][C:2]1[N:7]=[C:6]([C:8]2[S:37][C:35]([C:34]([CH3:39])([CH3:38])[CH3:33])=[N:36][C:9]=2[C:11]2[C:12]([F:24])=[C:13]([NH:17][C:18](=[O:23])[O:19][CH2:20][CH:21]=[CH2:22])[CH:14]=[CH:15][CH:16]=2)[CH:5]=[CH:4][N:3]=1
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HCID 962WaterHCID 67184N-bromobutanimideHCID 30311302,2-DimethylpropanethioamideHCID 579899922-Propen-1-yl {3-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate2회

생성물 1

HCID 579897172-Propen-1-yl {3-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}carbamate수율 35.4%

시약·촉매·용매

1
HCID 31374Dimethylacetamide용매

실험 절차

To a solution of 2-propen-1-yl {3-[(2-chloro-4-pyrimidinyl)acetyl]-2-fluorophenyl}carbamate (30 g, 85.9 mmol) (Intermediate 20) in DMA (300 mL), NBS (15.3 g, 85.9 mmol) was added. The reaction mixture was stirred at rt for 1 h. Then 2,2-dimethylpropanethioamide (11.0 g, 94.5 mmol) was added at 0° C. The mixture was stirred at rt for 2 h. The mixture was poured into water and extracted with EtOAc (200 mL×3). The combined organic layers were washed with water and brine successively, dried over Na2SO4, filtered and concentrated under reduced pressure to give the crude product, which was purified by column chromatography on silica gel (DCM:petroleum ether 2:1) to afford the title compound. (11 g, 35.4% yield). 1H NMR (400 MHz, CDCl3) δ ppm 8.29 (d, J=5.27 Hz, 1H), 8.12-8.19 (m, 1H), 7.12-7.25 (m, 2H), 6.80-6.88 (m, 2H), 5.85-5.98 (m, 1H), 5.20-5.37 (m, 2H), 4.61-4.67 (m, 2H). MS (ES+): 447 [M+H]+.

후처리

  1. stirringThe mixture was stirred at rt for 2 h
  2. extractionextracted with EtOAc (200 mL×3)
  3. washThe combined organic layers were washed with water and brine successively
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customto give the crude product, which
  8. customwas purified by column chromatography on silica gel (DCM:petroleum ether 2:1)

출처 및 근거

ORD 기록
ord-f48c9b4d83cf451285cacffc5d8dfc80
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09233956B2

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