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Ammonium Chloride → N-[5-(4-Fluoro-2-methoxy-phenyl)-pyridazin-4-yl]-3-methanesulfonyl-N-methyl-5-trifluoromethyl-benzamide

HRID 403395
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 403395
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:9]([NH:14][CH3:15])=[CH:10][N:11]=[N:12][CH:13]=2)=[C:4]([O:16][CH3:17])[CH:3]=1.[CH3:18][S:19]([C:22]1[CH:23]=[C:24]([CH:28]=[C:29]([C:31]([F:34])([F:33])[F:32])[CH:30]=1)[C:25](Cl)=[O:26])(=[O:21])=[O:20].C(N(CC)C(C)C)(C)C.[Cl-].[NH4+]>ClCCl>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:9]([N:14]([CH3:15])[C:25](=[O:26])[C:24]3[CH:28]=[C:29]([C:31]([F:34])([F:33])[F:32])[CH:30]=[C:22]([S:19]([CH3:18])(=[O:21])=[O:20])[CH:23]=3)=[CH:10][N:11]=[N:12][CH:13]=2)=[C:4]([O:16][CH3:17])[CH:3]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 25517Ammonium ChlorideHCID 81531DiisopropylethylamineHCID 866708083-(Methylsulfonyl)-5-(trifluoromethyl)benzoyl chlorideHCID 866984835-(4-fluoro-2-methoxyphenyl)-N-methylpyridazin-4-amine

Produkt 1

HCID 71766376N-[5-(4-Fluoro-2-methoxy-phenyl)-pyridazin-4-yl]-3-methanesulfonyl-N-methyl-5-trifluoromethyl-benzamide
Ausbeute 26,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel2×

Versuchsvorschrift

To a solution of 5-(4-fluoro-2-methoxyphenyl)-N-methylpyridazin-4-amine (27 mg, 116 μmol) in dichloromethane (1 mL) were added 3-(methylsulfonyl)-5-(trifluoromethyl)benzoyl chloride (66.4 mg, 232 mmol) and N,N-diisopropylethylamine (60 mg, 80.9 μL, 463 μmol). The clear, light brown solution was stirred at room temperature for 1.75 h and then poured on saturated aqueous ammonium chloride solution and dichloromethane and the layers were separated. The aqueous layer was extracted three times with dichloromethane. The organic layers were dried over magnesium sulfate, filtered, treated with silica gel and evaporated. The compound was purified by silica gel chromatography on a 10 g column using a MPLC system (CombiFlash Companion, Isco Inc.) eluting with a gradient of n-heptane:ethyl acetate (100:0 to 0:100) to give the desired compound as a light brown solid (15 mg; 25%). MS (ESI+): m/z=483.09 ([M+H]+).

Aufarbeitung

  1. customthe layers were separated
  2. extractionThe aqueous layer was extracted three times with dichloromethane
  3. dry with materialThe organic layers were dried over magnesium sulfate
  4. filtrationfiltered
  5. additiontreated with silica gel
  6. customevaporated
  7. customThe compound was purified by silica gel chromatography on a 10 g column
  8. washeluting with a gradient of n-heptane:ethyl acetate (100:0 to 0:100)

Quellen und Nachweise

ORD-Eintrag
ord-2b52fa2986fa44508a31d6cb3482726e
Quelldatensatz
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08748434B2

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