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Potassium Carbonate → 3-{4-Fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)-ethoxy}pyridine

HRID 1241310
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HRID 1241310 반응식
[OH:1][C:2]1[C:3]([O:8][CH:9]([C:11]([O:13][CH3:14])=[O:12])[CH3:10])=[N:4][CH:5]=[CH:6][CH:7]=1.F[C:16]1[CH:21]=[C:20]([N:22]2[C:27](=[O:28])[CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[N:24]([CH3:33])[C:23]2=[O:34])[C:19]([F:35])=[CH:18][C:17]=1[N+:36]([O-:38])=[O:37].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[F:35][C:19]1[C:20]([N:22]2[C:27](=[O:28])[CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[N:24]([CH3:33])[C:23]2=[O:34])=[CH:21][C:16]([O:1][C:2]2[C:3]([O:8][CH:9]([C:11]([O:13][CH3:14])=[O:12])[CH3:10])=[N:4][CH:5]=[CH:6][CH:7]=2)=[C:17]([N+:36]([O-:38])=[O:37])[CH:18]=1
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 121155092,5-Difluoro-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]nitrobenzeneHCID 219335243-Hydroxy-2-{1-(methoxycarbonyl)ethoxy}pyridine

생성물 1

HCID 219335633-{4-Fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)-ethoxy}pyridine수율 73.5%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
70 °C

실험 절차

To a mixture of 0.18 g of 3-hydroxy-2-{1-(methoxycarbonyl)ethoxy}-pyridine, 0.19 g of 2,5-difluoro-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]nitrobenzene, and 2.0 ml of N,N-dimethylformamide was added 90 mg of potassium carbonate, and the mixture was stirred at 70° C. for 3 hours. The reaction mixture was cooled to room temperature and then poured into ice water, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel column chromatography to give 0.21 g of 3-{4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}-2-{1-(methoxycarbonyl)ethoxy}pyridine as a mixture of diastereoisomers.

후처리

  1. temperatureThe reaction mixture was cooled to room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated aqueous sodium chloride solution
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-c863fdc101f74444b9a493a72c1cc82a
출처 데이터셋
uspto-grants-2006_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07115544B2

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