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

HRID 2266589
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HRID 2266589 반응식
[CH3:1][O:2][C:3](=[O:31])[CH2:4][O:5][C:6]1[CH:15]=[CH:14][C:13]([F:16])=[C:12]2[C:7]=1[C:8]([CH3:30])=[C:9]([CH2:18][C:19]1[CH:24]=[CH:23][C:22]([S:25]([CH2:28][CH3:29])(=[O:27])=[O:26])=[CH:21][CH:20]=1)[C:10](=[O:17])[NH:11]2.CN(C)C=O.C(=O)([O-])[O-].[K+].[K+].Cl[C:44](OC(=O)C)([F:46])[F:45]>[Cl-].[NH4+]>[CH3:1][O:2][C:3](=[O:31])[CH2:4][O:5][C:6]1[CH:15]=[CH:14][C:13]([F:16])=[C:12]2[C:7]=1[C:8]([CH3:30])=[C:9]([CH2:18][C:19]1[CH:24]=[CH:23][C:22]([S:25]([CH2:28][CH3:29])(=[O:27])=[O:26])=[CH:21][CH:20]=1)[C:10]([O:17][CH:44]([F:46])[F:45])=[N:11]2
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참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 68779494[3-(4-Ethanesulfonylbenzyl)-8-fluoro-4-methyl-2-oxo-1,2-dihydroquinolin-5-yloxy]acetic acid methyl esterHCID 86613376Chlorodifluoromethyl acetate

생성물 1

HCID 68781836[2-difluoromethoxy-3-(4-ethanesulfonylbenzyl)-8-fluoro-4-methylquinolin-5-yloxy]acetic Acid Methyl Ester

시약·촉매·용매

1
HCID 25517Ammonium Chloride용매

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온도
70 °C

실험 절차

A mixture of [3-(4-ethanesulfonylbenzyl)-8-fluoro-4-methyl-2-oxo-1,2-dihydroquinolin-5-yloxy]acetic acid methyl ester (0.33 g), N,N-dimethylformamide (5.0 mL), potassium carbonate (0.16 g) and acetic acid chlorodifluoromethyl ester (1.2 mL) was stirred at 70° C. for 3 days. The mixture was diluted with saturated aqueous ammonium chloride solution, extracted with ethyl acetate and the combined extracts washed with saturated aqueous sodium chloride solution 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 dichloromethane gave title as a white solid, 0.10 g.

후처리

  1. extractionextracted with ethyl acetate
  2. washthe combined extracts washed with saturated aqueous sodium chloride solution
  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 dichloromethane
  6. customgave title as a white solid, 0.10 g

출처 및 근거

ORD 기록
ord-22700ee6a8a641cd8ea4b684ba9ed337
출처 데이터셋
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07858640B2

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