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Cesium carbonate → Acetic acid 2-(6-tert-butyl-8-fluoro-1-oxo-1H-phthalazin-2-yl)-6-{1-methyl-5-[6-((1S,4S)-5-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl)-pyridazin-3-ylamino]-6-oxo-1,6-dihydro-pyridazin-3-yl}-benzyl ester

HRID 449661
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 449661
[CH3:1][N:2]1[CH2:7][C@@H:6]2[CH2:8][C@H:3]1[CH2:4][N:5]2[C:9]1[N:14]=[N:13][C:12]([NH2:15])=[CH:11][CH:10]=1.Br[C:17]1[C:22](=[O:23])[N:21]([CH3:24])[N:20]=[C:19]([C:25]2[CH:35]=[CH:34][CH:33]=[C:32]([N:36]3[N:45]=[CH:44][C:43]4[C:38](=[C:39]([F:50])[CH:40]=[C:41]([C:46]([CH3:49])([CH3:48])[CH3:47])[CH:42]=4)[C:37]3=[O:51])[C:26]=2[CH2:27][O:28][C:29](=[O:31])[CH3:30])[CH:18]=1.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C(=O)([O-])[O-].[Cs+].[Cs+]>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[C:46]([C:41]1[CH:42]=[C:43]2[C:38](=[C:39]([F:50])[CH:40]=1)[C:37](=[O:51])[N:36]([C:32]1[CH:33]=[CH:34][CH:35]=[C:25]([C:19]3[CH:18]=[C:17]([NH:15][C:12]4[N:13]=[N:14][C:9]([N:5]5[CH2:4][C@@H:3]6[CH2:8][C@H:6]5[CH2:7][N:2]6[CH3:1])=[CH:10][CH:11]=4)[C:22](=[O:23])[N:21]([CH3:24])[N:20]=3)[C:26]=1[CH2:27][O:28][C:29](=[O:31])[CH3:30])[N:45]=[CH:44]2)([CH3:47])([CH3:48])[CH3:49]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 667421922-(5-bromo-1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-6-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)benzyl acetateHCID 667430796-((1S,4S)-5-Methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl)-pyridazin-3-ylamine

Produkt 1

HCID 66743398
Acetic acid 2-(6-tert-butyl-8-fluoro-1-oxo-1H-phthalazin-2-yl)-6-{1-methyl-5-[6-((1S,4S)-5-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl)-pyridazin-3-ylamino]-6-oxo-1,6-dihydro-pyridazin-3-yl}-benzyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 9811564Bis(dibenzylideneacetone)palladiumKatalysator

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

6-((1S,4S)-5-Methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl)-pyridazin-3-ylamine (100 mg, 0.487 mmol, Eq: 1.00), acetic acid 2-(5-bromo-1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl)-6-(6-tert-butyl-8-fluoro-1-oxo-1H-phthalazin-2-yl)-benzyl ester (284 mg, 0.512 mmol, Eq: 1.05), xantphos (42.3 mg, 0.073 mmol, Eq: 0.15), tris(dibenzylideneacetone)-dipalladium (0) (33.5 mg, 0.036 mmol, Eq: 0.075) and cesium carbonate (476 mg, 1.46 mmol, Eq: 3.00) were added to a microwave vial. The vial was capped and purged. Degassed dioxane (about 5 ml) was added through a syringe and the vial was purged again and back filled with nitrogen. The reaction was heated at 100° C. overnight in a sand bath. The reaction was filtered through celite and concentrated. The crude product was purified by chromatography using a gradient of 0% to 25% methanol in DCM. LCMS and NMR showed major impurities. Took on to next step without further purification.

Aufarbeitung

  1. customThe vial was capped
  2. custompurged
  3. additionDegassed dioxane (about 5 ml) was added through a syringe
  4. customthe vial was purged again
  5. additionback filled with nitrogen
  6. filtrationThe reaction was filtered through celite
  7. concentrationconcentrated
  8. customThe crude product was purified by chromatography
  9. customTook on to next step without further purification

Quellen und Nachweise

ORD-Eintrag
ord-b328632016074ca0a970e618ec7a9266
Quelldatensatz
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08481540B2

Notizen zur Reaktion

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