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Potassium Phosphate, Tribasic → (2-{4,4-Dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}-4-(5-{[5-(2-methoxyethyl)-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl]amino}-1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)pyridin-3-yl)methyl Acetate

HRID 593108
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 593108
Cl[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:23]=[C:14]3[CH2:15][N:16]([CH2:19][CH2:20][O:21][CH3:22])[CH2:17][CH2:18][N:13]3[N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[N:7]=1.[C:24]([O:27][CH2:28][C:29]1[C:30]([N:44]2[CH2:55][CH2:54][N:53]3[C:46](=[CH:47][C:48]4[CH2:49][C:50]([CH3:57])([CH3:56])[CH2:51][C:52]=43)[C:45]2=[O:58])=[N:31][CH:32]=[CH:33][C:34]=1B1OC(C)(C)C(C)(C)O1)(=[O:26])[CH3:25].[O-]P([O-])([O-])=O.[K+].[K+].[K+].C([O-])(=O)C.[Na+]>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.O>[C:24]([O:27][CH2:28][C:29]1[C:30]([N:44]2[CH2:55][CH2:54][N:53]3[C:46](=[CH:47][C:48]4[CH2:49][C:50]([CH3:57])([CH3:56])[CH2:51][C:52]=43)[C:45]2=[O:58])=[N:31][CH:32]=[CH:33][C:34]=1[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:23]=[C:14]3[CH2:15][N:16]([CH2:19][CH2:20][O:21][CH3:22])[CH2:17][CH2:18][N:13]3[N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[N:7]=1)(=[O:26])[CH3:25]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 86684419(2-(7,7-dimethyl-1-oxo-3,4,7,8-tetrahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2(6H)-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl acetateHCID 866845536-Chloro-4-(5-(2-methoxyethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-2-methylpyridazin-3(2H)-one

Produkt 1

HCID 86684552
(2-{4,4-Dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}-4-(5-{[5-(2-methoxyethyl)-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl]amino}-1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)pyridin-3-yl)methyl Acetate
Ausbeute 43 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)KatalysatorHCID 18373917Acetonitrile--water (1/1)Lösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A 25-mL round-bottomed flask equipped with a reflux condenser was charged with 305a (200 mg, 0.60 mmol), {3-[(acetoxy)methyl]-2-{4,4-dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}pyridin-4-yl}boronic acid 199e (238 mg, 0.60 mmol), K3PO4 (254 mg, 1.2 mmol), sodium acetate (98 mg, 1.2 mmol) and Pd(dppf)Cl2 (22 mg, 0.030 mmol), and acetonitrile/water (8/0.5 mL). The system was subjected to three cycles of vacuum/nitrogen flush and heated at 100° C. under N2 protection for 1 h. Analysis of the reaction mixture by LCMS showed complete conversion to the desired product. The reaction mixture was cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure. The residue was partitioned between dichloromethane (30 mL) and water (20 mL). The water layer was extracted with dichloromethane (2×30 mL). The combined organic extract was dried over Na2SO4, filtered, and concentrated under reduced pressure. The dark residue was purified by silica-gel column chromatography eluting with dichloromethane/methanol (80/1 to 30/1) to afford 305b (169 mg, 43%) as a yellow solid. MS-ESI: [M+H]+ 655.9

Aufarbeitung

  1. customA 25-mL round-bottomed flask equipped with a reflux condenser
  2. customflush
  3. temperatureThe reaction mixture was cooled to room temperature
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customThe residue was partitioned between dichloromethane (30 mL) and water (20 mL)
  7. extractionThe water layer was extracted with dichloromethane (2×30 mL)
  8. extractionThe combined organic extract
  9. dry with materialwas dried over Na2SO4
  10. filtrationfiltered
  11. concentrationconcentrated under reduced pressure
  12. customThe dark residue was purified by silica-gel column chromatography
  13. washeluting with dichloromethane/methanol (80/1 to 30/1)

Quellen und Nachweise

ORD-Eintrag
ord-f0133c04b4604268bf97799679851be8
Quelldatensatz
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09238655B2

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