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Sodium Thiosulfate → Methyl 3-methyl-6-[(1-methylethyl)sulfonyl]-7-(methyloxy)-2-[3-(trifluoromethyl)phenyl]-4-quinolinecarboxylate

HRID 245191
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 245191
[CH3:1][C:2]1[C:3]([C:22]2[CH:27]=[CH:26][CH:25]=[C:24]([C:28]([F:31])([F:30])[F:29])[CH:23]=2)=[N:4][C:5]2[C:10]([C:11]=1[C:12]([O:14][CH3:15])=[O:13])=[CH:9][C:8](SC(C)C)=[C:7]([O:20][CH3:21])[CH:6]=2.Cl[C:33]1[CH:34]=C(C=C[CH:42]=1)C(OO)=O.C([O-])(O)=O.[Na+].[O-:48][S:49]([O-:52])(=S)=O.[Na+].[Na+]>ClCCl>[CH3:1][C:2]1[C:3]([C:22]2[CH:27]=[CH:26][CH:25]=[C:24]([C:28]([F:31])([F:29])[F:30])[CH:23]=2)=[N:4][C:5]2[C:10]([C:11]=1[C:12]([O:14][CH3:15])=[O:13])=[CH:9][C:8]([S:49]([CH:33]([CH3:34])[CH3:42])(=[O:52])=[O:48])=[C:7]([O:20][CH3:21])[CH:6]=2
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Komponenten

6

Edukt 4

HCID 24477Sodium ThiosulfateHCID 70297m-Chloroperbenzoic acidHCID 516892Sodium BicarbonateHCID 67383440Methyl 3-methyl-6-[(1-methylethyl)thio]-7-(methyloxy)-2-[3-(trifluoromethyl)phenyl]-4-quinolinecarboxylate

Produkt 1

HCID 67383265Methyl 3-methyl-6-[(1-methylethyl)sulfonyl]-7-(methyloxy)-2-[3-(trifluoromethyl)phenyl]-4-quinolinecarboxylate
Ausbeute 91 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

A solution of methyl 3-methyl-6-[(1-methylethyl)thio]-7-(methyloxy)-2-[3-(trifluoromethyl)phenyl]-4-quinolinecarboxylate (5.5 g, 4.04 mmol) and 3-chloroperoxybenzoic acid (1.819 g, 8.12 mmol) in dichloromethane (50 mL) was stirred overnight. Saturated aqueous NaHCO3 and Na2S2O3 were added slowly, and the mixture was stirred for 30 min before it was extracted with methylene chloride (three times). The combined organic extracts were washed with brine (two times), dried over Na2SO4, filtered, and concentrated in vacuo. The residue was purified via column chromatography (ISCO, 0-15% ethyl acetate/methylene chloride) to afford methyl 3-methyl-6-[(1-methylethyl)sulfonyl]-7-(methyloxy)-2-[3-(trifluoromethyl)phenyl]-4-quinolinecarboxylate (1.76 g, 91% yield). 1H NMR (400 MHz, DMSO-d6) δ8.24 (s, 1H), 7.99-8.05 (m, 2H), 7.92 (d, J=8.03 Hz, 1H), 7.76-7.84 (m, 2H), 4.09 (s, 6H), 3.83 (quin, J=6.78 Hz, 1H), 2.37 (s, 3H), 1.21 (s, 3H), 1.20 (s, 3H); MS (m/z) 482.1 (M+H+).

Aufarbeitung

  1. extractionwas extracted with methylene chloride (three times)
  2. washThe combined organic extracts were washed with brine (two times)
  3. dry with materialdried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified via column chromatography (ISCO, 0-15% ethyl acetate/methylene chloride)

Quellen und Nachweise

ORD-Eintrag
ord-cd91f90a563645acb98af5f33089d996
Quelldatensatz
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08658636B2

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