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Sodium Bicarbonate → N-(3-{[2-(acetylamino)[1,3]thiazolo[5,4-d]pyrimidin-5-yl]amino}-4-methylphenyl)-3-(difluoromethoxy)benzamide

HRID 1800749
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Reaktionsgleichung

Reaktionsgleichung von HRID 1800749
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([CH3:22])=[C:6]([NH:8][C:9]2[N:10]=[CH:11][C:12]3[N:17]=[C:16]([NH:18][C:19](=[O:21])[CH3:20])[S:15][C:13]=3[N:14]=2)[CH:7]=1.[F:23][CH:24]([F:35])[O:25][C:26]1[CH:27]=[C:28]([CH:32]=[CH:33][CH:34]=1)[C:29](O)=[O:30].F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.C(=O)([O-])O.[Na+]>N1C=CC=CC=1>[C:19]([NH:18][C:16]1[S:15][C:13]2[N:14]=[C:9]([NH:8][C:6]3[CH:7]=[C:2]([NH:1][C:29](=[O:30])[C:28]4[CH:32]=[CH:33][CH:34]=[C:26]([O:25][CH:24]([F:23])[F:35])[CH:27]=4)[CH:3]=[CH:4][C:5]=3[CH3:22])[N:10]=[CH:11][C:12]=2[N:17]=1)(=[O:21])[CH3:20]
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Komponenten

6

Edukt 4

HCID 516892Sodium BicarbonateHCID 8426143-(Difluoromethoxy)benzoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 86646095N-{5-[(5-amino-2-methylphenyl)amino][1,3]thiazolo[5,4-d]pyrimidin-2-yl}acetamide

Produkt 1

HCID 59506946
N-(3-{[2-(acetylamino)[1,3]thiazolo[5,4-d]pyrimidin-5-yl]amino}-4-methylphenyl)-3-(difluoromethoxy)benzamide
Ausbeute 61,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1049PyridineLösungsmittel

Versuchsvorschrift

A solution of N-{5-[(5-amino-2-methylphenyl)amino][1,3]thiazolo[5,4-d]pyrimidin-2-yl}acetamide (120 mg, 382 μmol) produced in Example D35(v), 3-(difluoromethoxy)benzoic acid (86 mg, 458 μmol) and O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (174 mg, 458 μmol) in pyridine (3 mL) was stirred at room temperature for 1 hr. To the reaction mixture was added saturated aqueous sodium hydrogen carbonate solution (15 mL), and the mixture was extracted with ethyl acetate (20 mL, 5 mL). The combined organic layer was washed with saturated brine (5 mL), 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 basic silica gel column chromatography (hexane/ethyl acetate=20/80→0/100), and the fractions containing the object product were concentrated under reduced pressure. The obtained residue was recrystallized from tetrahydrofuran and ethyl acetate to give the title compound (113 mg, 61%) as colorless crystals.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate (20 mL, 5 mL)
  2. washThe combined organic layer was washed with saturated brine (5 mL)
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationThe insoluble material was filtered off
  5. concentrationthe filtrate was concentrated under reduced pressure
  6. customThe obtained residue was purified by basic silica gel column chromatography (hexane/ethyl acetate=20/80→0/100)
  7. additionthe fractions containing the object product
  8. concentrationwere concentrated under reduced pressure
  9. customThe obtained residue was recrystallized from tetrahydrofuran and ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-77d94c9de928472b895d24089fdccaf4
Quelldatensatz
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08344135B2

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