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Butyl iodide → 6-Amino-2-(4-chloro-2-fluoro-3-methoxyphenyl)-5-vinyl-pyrimidine-4-carboxylic acid butyl ester

HRID 245304
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인쇄 미리보기

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HRID 245304 반응식
[NH2:1][C:2]1[N:7]=[C:6]([C:8]2[CH:13]=[CH:12][C:11]([Cl:14])=[C:10]([O:15][CH3:16])[C:9]=2[F:17])[N:5]=[C:4]([C:18]([OH:20])=[O:19])[C:3]=1[CH:21]=[CH2:22].I[CH2:24][CH2:25][CH2:26][CH3:27].C(=O)([O-])[O-].[Li+].[Li+]>CN(C=O)C>[CH2:24]([O:19][C:18]([C:4]1[C:3]([CH:21]=[CH2:22])=[C:2]([NH2:1])[N:7]=[C:6]([C:8]2[CH:13]=[CH:12][C:11]([Cl:14])=[C:10]([O:15][CH3:16])[C:9]=2[F:17])[N:5]=1)=[O:20])[CH2:25][CH2:26][CH3:27]
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참가 물질

5

반응물 3

HCID 10962Butyl iodideHCID 11125Lithium CarbonateHCID 468509124-Amino-2-(4-chloro-2-fluoro-3-methoxyphenyl)-5-ethenylpyrimidine-6-carboxylic acid

생성물 1

HCID 594320876-Amino-2-(4-chloro-2-fluoro-3-methoxyphenyl)-5-vinyl-pyrimidine-4-carboxylic acid butyl ester수율 52.7%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

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온도
60 °C

실험 절차

6-Amino-2-(4-chloro-2-fluoro-3-methoxyphenyl)-5-vinyl-pyrimidine-4-carboxylic acid (0.150 g, 0.46 mmol), iodobutane (0.111 g, 0.60 mmol), and lithium carbonate (0.044 g, 0.6 mmol) were combined in DMF (1.5 mL) and heated at 60° C. overnight. The cooled reaction mixture was concentrated and partitioned between ethyl acetate and water. The organic phase was dried and concentrated. The product was purified by flash chromatography on silica gel (ethyl acetate/hexane gradient) to yield the title compound (0.092 g, 52.3% yield): 1H NMR (CDCl3) δ 7.65 (dd, 1H), 7.19 (dd, 1H), 7.75 (dd, 1H), 5.62-5.67 (m, 2H), 5.35 (br s, 2H), 4.34 (t, 3H), 3.99 (dd, 3H), 1.74 (m, 2H), 1.45 (m, 2H), 0.97 (t, 3H).

후처리

  1. customThe cooled reaction mixture
  2. concentrationwas concentrated
  3. custompartitioned between ethyl acetate and water
  4. customThe organic phase was dried
  5. concentrationconcentrated
  6. customThe product was purified by flash chromatography on silica gel (ethyl acetate/hexane gradient)

출처 및 근거

ORD 기록
ord-f1786629b665455cb6b49adf475e259f
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658791B2

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