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Potassium Phosphate, Tribasic → 2-(3-(Formyl)-4-(1-methyl-5-(5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)pyridin-2-yl)-6,7,8,9-tetrahydro-pyrazino[1,2-a]indol-1(2H)-one

HRID 1411765
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1411765
Cl[C:2]1[C:7]([CH:8]=[O:9])=[C:6]([N:10]2[CH:22]=[CH:21][N:13]3[C:14]4[CH2:15][CH2:16][CH2:17][CH2:18][C:19]=4[CH:20]=[C:12]3[C:11]2=[O:23])[N:5]=[CH:4][CH:3]=1.[CH3:24][N:25]1[CH:30]=[C:29](B2OC(C)(C)C(C)(C)O2)[CH:28]=[C:27]([NH:40][C:41]2[CH:50]=[C:44]3[CH2:45][N:46]([CH3:49])[CH2:47][CH2:48][N:43]3[N:42]=2)[C:26]1=[O:51].[O-]P([O-])([O-])=O.[K+].[K+].[K+].C([O-])(=O)C.[Na+]>O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].C(#N)C>[CH:8]([C:7]1[C:6]([N:10]2[CH:22]=[CH:21][N:13]3[C:14]4[CH2:15][CH2:16][CH2:17][CH2:18][C:19]=4[CH:20]=[C:12]3[C:11]2=[O:23])=[N:5][CH:4]=[CH:3][C:2]=1[C:29]1[CH:28]=[C:27]([NH:40][C:41]2[CH:50]=[C:44]3[CH2:45][N:46]([CH3:49])[CH2:47][CH2:48][N:43]3[N:42]=2)[C:26](=[O:51])[N:25]([CH3:24])[CH:30]=1)=[O:9]
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Komponenten

8

Edukt 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 866839771-Methyl-3-(5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-oneHCID 866843584-Chloro-2-(1-oxo-6,7,8,9-tetrahydropyrazino[1,2-a]indol-2(1H)-yl)nicotinaldehyde

Produkt 1

HCID 86684359
2-(3-(Formyl)-4-(1-methyl-5-(5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)pyridin-2-yl)-6,7,8,9-tetrahydro-pyrazino[1,2-a]indol-1(2H)-one
Ausbeute 54,5 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 962WaterKatalysatorHCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)KatalysatorHCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

A 50-mL single-neck round-bottomed flask equipped with a reflux condenser was charged with 195f (130 mg, 0.40 mmol), 1-methyl-3-(5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-5-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 135a (154 mg, 0.40 mmol), Pd(dppf)Cl2 (29 mg, 0.040 mmol), K3PO4 (170 mg, 0.80 mmol), sodium acetate (66 mg, 0.80 mmol), water (6 drops), and acetonitrile (10 mL). After three cycles of vacuum/argon flush, the mixture was heated at reflux for 2 h. It was then cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure and the resulting residue was purified by silica-gel column chromatography eluting with 30:1 dichloromethane/methanol to afford 195g as yellow solid (120 mg, 54%). MS-ESI: [M+H]+ 551.2

Aufarbeitung

  1. customA 50-mL single-neck round-bottomed flask equipped with a reflux condenser
  2. customAfter three cycles of vacuum/argon flush
  3. temperaturethe mixture was heated
  4. temperatureat reflux for 2 h
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated under reduced pressure
  7. customthe resulting residue was purified by silica-gel column chromatography
  8. washeluting with 30:1 dichloromethane/methanol

Quellen und Nachweise

ORD-Eintrag
ord-61ec811871984b84b3ac71991a32300e
Quelldatensatz
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08921353B2

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