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Water → N-(5-{[2-(acetylamino)[1,3]thiazolo[5,4-b]pyridin-5-yl]oxy}-2-fluorophenyl)-2-chloro-3-(1-cyano-1-methylethoxy)benzamide

HRID 1800566
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Reaktionsgleichung

Reaktionsgleichung von HRID 1800566
[Cl:1][C:2]1[C:10]([O:11][C:12]([C:15]#[N:16])([CH3:14])[CH3:13])=[CH:9][CH:8]=[CH:7][C:3]=1[C:4]([OH:6])=O.CN(C)C=O.[NH2:22][C:23]1[CH:24]=[C:25]([CH:40]=[CH:41][C:42]=1[F:43])[O:26][C:27]1[N:32]=[C:31]2[S:33][C:34]([NH:36][C:37](=[O:39])[CH3:38])=[N:35][C:30]2=[CH:29][CH:28]=1.O>C(Cl)(=O)C(Cl)=O.CN(C)C(=O)C>[C:37]([NH:36][C:34]1[S:33][C:31]2[C:30]([N:35]=1)=[CH:29][CH:28]=[C:27]([O:26][C:25]1[CH:40]=[CH:41][C:42]([F:43])=[C:23]([NH:22][C:4](=[O:6])[C:3]3[CH:7]=[CH:8][CH:9]=[C:10]([O:11][C:12]([C:15]#[N:16])([CH3:14])[CH3:13])[C:2]=3[Cl:1])[CH:24]=1)[N:32]=2)(=[O:39])[CH3:38]
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Komponenten

7

Edukt 4

HCID 962WaterHCID 6228DimethylformamideHCID 684177462-Chloro-3-(1-cyano-1-methylethoxy)benzoic acidHCID 86646025N-(5-(3-amino-4-fluorophenoxy)[1,3]thiazolo[5,4-b]pyridin-2-yl]acetamide

Produkt 1

HCID 59507050N-(5-{[2-(acetylamino)[1,3]thiazolo[5,4-b]pyridin-5-yl]oxy}-2-fluorophenyl)-2-chloro-3-(1-cyano-1-methylethoxy)benzamide
Ausbeute 14 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 31374DimethylacetamideLösungsmittelHCID 65578Oxalyl chlorideLösungsmittel

Versuchsvorschrift

To a solution of 2-chloro-3-(1-cyano-1-methylethoxy)benzoic acid (0.12 g, 0.5 mmol) in oxalyl chloride (0.5 mL) was added N,N-dimethylformamide (40 μL), and the mixture was stirred at room temperature for 30 min, and concentrated to dryness under reduced pressure. This was dissolved in a mixture of N,N-dimethylacetamide (1 mL) and tetrahydrofuran (1 mL), and a solution was added dropwise to a solution of N-[5-(3-amino-4-fluorophenoxy)[1,3]thiazolo[5,4-b]pyridin-2-yl]acetamide (0.11 g, 0.33 mmol) produced in Example C64(ii) in N,N-dimethylacetamide (1 mL) under ice-cooling. The reaction mixture was stirred at room temperature for 3 hr, and poured into water (100 mL), and the mixture was extracted with ethyl acetate (100 mL×2). The ethyl acetate layers were combined, and dried over anhydrous sodium sulfate. The insoluble material was filtered off, and the filtrate was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate/hexane=0/100→100/0), and recrystallized from methanol to give the title compound (24 mg, 14%) as colorless crystals.

Aufarbeitung

  1. concentrationconcentrated to dryness under reduced pressure
  2. dissolutionThis was dissolved in a mixture of N,N-dimethylacetamide (1 mL) and tetrahydrofuran (1 mL)
  3. temperaturecooling
  4. stirringThe reaction mixture was stirred at room temperature for 3 hr
  5. extractionthe mixture was extracted with ethyl acetate (100 mL×2)
  6. dry with materialdried over anhydrous sodium sulfate
  7. filtrationThe insoluble material was filtered off
  8. concentrationthe filtrate was concentrated under reduced pressure
  9. customThe obtained residue was purified by silica gel column chromatography (ethyl acetate/hexane=0/100→100/0)
  10. customrecrystallized from methanol

Quellen und Nachweise

ORD-Eintrag
ord-233fb980c94e4cd0bec1a45dd9ca26a0
Quelldatensatz
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08344135B2

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