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Dimethylformamide → [2-difluoromethoxy-8-fluoro-3-(4-fluorobenzyl)-4-methylquinolin-5-yloxy]acetic Acid Methyl Ester

HRID 2266556
ノート
印刷プレビュー

反応式

HRID 2266556 の反応式
[CH3:1][O:2][C:3](=[O:27])[CH2:4][O:5][C:6]1[CH:15]=[CH:14][C:13]([F:16])=[C:12]2[C:7]=1[C:8]([CH3:26])=[C:9]([CH2:18][C:19]1[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=1)[C:10](=[O:17])[NH:11]2.CN(C)C=O.C(=O)([O-])[O-].[K+].[K+].Cl[C:40](OC(=O)C)([F:42])[F:41]>O>[CH3:1][O:2][C:3](=[O:27])[CH2:4][O:5][C:6]1[CH:15]=[CH:14][C:13]([F:16])=[C:12]2[C:7]=1[C:8]([CH3:26])=[C:9]([CH2:18][C:19]1[CH:20]=[CH:21][C:22]([F:25])=[CH:23][CH:24]=1)[C:10]([O:17][CH:40]([F:42])[F:41])=[N:11]2
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 68782919[8-Fluoro-3-(4-fluorobenzyl)-4-methyl-2-oxo-1,2-dihydroquinolin-5-yloxy]acetic acid methyl esterHCID 86613376Chlorodifluoromethyl acetate

生成物 1

HCID 68786070[2-difluoromethoxy-8-fluoro-3-(4-fluorobenzyl)-4-methylquinolin-5-yloxy]acetic Acid Methyl Ester

試薬・触媒・溶媒 1

HCID 962Water溶媒

反応条件

温度
70 °C

実験手順

A mixture of [8-fluoro-3-(4-fluorobenzyl)-4-methyl-2-oxo-1,2-dihydroquinolin-5-yloxy]acetic acid methyl ester (0.48 g), N,N-dimethylformamide (6.0 mL), potassium carbonate (0.72 g) and acetic acid chlorodifluoromethyl ester (1.7 mL) was stirred at 70° C. for 5 days. The mixture was diluted with Water, extracted with ethyl acetate and the combined extracts washed with water and then dried over magnesium sulfate. The solvent was removed under reduced pressure and purification of the residue by column chromatography on silica gel, eluting with a mixture of ethyl acetate and cyclohexane (1:6 by volume), followed by washing with diethyl ether gave title compound as a white solid, 0.29 g.

後処理

  1. extractionextracted with ethyl acetate
  2. washthe combined extracts washed with water
  3. dry with materialdried over magnesium sulfate
  4. customThe solvent was removed under reduced pressure and purification of the residue by column chromatography on silica gel
  5. washeluting with a mixture of ethyl acetate and cyclohexane (1:6 by volume)
  6. washby washing with diethyl ether

出典と根拠

ORDレコード
ord-8bdeba77f22a4907abebe6764d1675f8
出典データセット
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07858640B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート