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Diisopropylethylamine → 4-((6-(3-Chloro-4-(3-methyl-1,2,4-oxadiazol-5-yl)phenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methoxy)-7-methoxyquinoline

HRID 1513648
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1513648
CN(C(O[N:9]1N=N[C:11]2C=CC=[N:15][C:10]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[Cl:25][C:26]1[CH:34]=[C:33]([C:35]2[CH:36]=[CH:37][C:38]3[N:39]([C:41]([CH2:44][O:45][C:46]4[C:55]5[C:50](=[CH:51][C:52]([O:56][CH3:57])=[CH:53][CH:54]=5)[N:49]=[CH:48][CH:47]=4)=[N:42][N:43]=3)[N:40]=2)[CH:32]=[CH:31][C:27]=1[C:28](O)=[O:29].CCN(C(C)C)C(C)C.O/N=C(\N)/C>CN(C=O)C.O>[Cl:25][C:26]1[CH:34]=[C:33]([C:35]2[CH:36]=[CH:37][C:38]3[N:39]([C:41]([CH2:44][O:45][C:46]4[C:55]5[C:50](=[CH:51][C:52]([O:56][CH3:57])=[CH:53][CH:54]=5)[N:49]=[CH:48][CH:47]=4)=[N:42][N:43]=3)[N:40]=2)[CH:32]=[CH:31][C:27]=1[C:28]1[O:29][N:15]=[C:10]([CH3:11])[N:9]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 81531DiisopropylethylamineHCID 5487681(E)-N'-HydroxyacetimidamideHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 250657522-Chloro-4-(3-((7-methoxyquinolin-4-yloxy)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)benzoic acid

Produkt 1

HCID 25065972
4-((6-(3-Chloro-4-(3-methyl-1,2,4-oxadiazol-5-yl)phenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methoxy)-7-methoxyquinoline

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittel2×

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

HATU (0.370 g, 0.974 mmol) and 2-chloro-4-(3-((7-methoxyquinolin-4-yloxy)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)benzoic acid (0.300 g, 0.650 mmol) were taken up in DMF (5 mL). Added Hunig's Base (0.339 ml, 1.95 mmol). Stirred for 10 min. Added (Z)-N′-hydroxyacetamidine (0.289 g, 3.90 mmol). Stirred for an additional 30 min. Removed DMF in vacuo. Suspended in water. Isolated product by filtration. The resulting solid was allowed to try under vacuum. Split into 3 portions and separately took up in dioxane (4 mL) in a microwave tube and heated for 12 min at 150° C. Combined all 3 reactions. Concentrated. Purified on RPHPLC. Took fractions containing product and made basic with 9% sodium carbonate. Removed volatiles in vacuo. Product crashed out and was isolated by filtration. MS m/z=500.0 [M+1]+. Calc'd for C25H18ClN7O3: 499.1.

Aufarbeitung

  1. stirringStirred for an additional 30 min
  2. filtrationIsolated product by filtration
  3. customSplit into 3 portions
  4. customseparately took up in dioxane (4 mL) in a microwave tube
  5. concentrationConcentrated
  6. customPurified on RPHPLC
  7. additionTook fractions containing product
  8. customwas isolated by filtration

Quellen und Nachweise

ORD-Eintrag
ord-b6b22c9d3d2146a894fd1bf635b929a9
Quelldatensatz
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08217177B2

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