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Sodium Carbonate → N-[4-(7,7-dimethyl-4-morpholino-6H-[1,4]dioxino[2,3-d]pyrimidin-2-yl)phenyl]acetamide

HRID 528484
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 528484
Cl[C:2]1[N:3]=[C:4]([N:14]2[CH2:19][CH2:18][O:17][CH2:16][CH2:15]2)[C:5]2[O:11][CH2:10][C:9]([CH3:13])([CH3:12])[O:8][C:6]=2[N:7]=1.CC1(C)C(C)(C)OB([C:28]2[CH:33]=[CH:32][C:31]([NH:34][C:35](=[O:37])[CH3:36])=[CH:30][CH:29]=2)O1.C(=O)([O-])[O-].[Na+].[Na+]>C(#N)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:12][C:9]1([CH3:13])[O:8][C:6]2[N:7]=[C:2]([C:28]3[CH:33]=[CH:32][C:31]([NH:34][C:35](=[O:37])[CH3:36])=[CH:30][CH:29]=3)[N:3]=[C:4]([N:14]3[CH2:19][CH2:18][O:17][CH2:16][CH2:15]3)[C:5]=2[O:11][CH2:10]1
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Komponenten

6

Edukt 3

HCID 10340Sodium CarbonateHCID 27346194'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)acetanilideHCID 867117472-Chloro-7,7-dimethyl-4-morpholin-4-yl-6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine

Produkt 1

HCID 73425616N-[4-(7,7-dimethyl-4-morpholino-6H-[1,4]dioxino[2,3-d]pyrimidin-2-yl)phenyl]acetamideAusbeute 59 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418476
HCID 178418476, Verbindung
Katalysator
HCID 6342AcetonitrileLösungsmittel

Reaktionsbedingungen

Temperatur
120 °C

Versuchsvorschrift

A microwave vial was charged with 2-chloro-7,7-dimethyl-4-morpholin-4-yl-6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine from Example 104 (50 mg, 0.18 mmol), N-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-acetamide (69 mg, 0.26 mmol), Pd(PPh3)2Cl2 (12 mg, 0.02 mmol) and sodium carbonate (0.5 mL, 0.5 mmol, 1M aqueous solution) in acetonitrile (1.5 mL) then was evacuated and back filled with nitrogen before being heated at 120° C. for 30 minutes using microwave irradiation. The reaction mixture was loaded onto an Isolute® SCX-2 cartridge which was washed with methanol and the product eluted with 2M ammonia in methanol. The basic fractions were combined and concentrated in vacuo. The resulting residue was purified by reverse phase HPLC (Phenomenex Gemini 5 μm C18, 0.1% HCO2H in water on a gradient of acetonitrile 5-98%) affording 112 as a white solid (40 mg, 59%). LCMS: RT=2.73 min, [M+H]+=344. 1H NMR (400 MHz, CDCl3): δ 8.28 (2H, d, J=8.8 Hz), 7.54 (2H, d, J=8.8 Hz), 7.22 (1H, broad s), 3.90 (2H, s), 3.87-3.78 (8H, m), 2.19 (3H, s), 1.46 (6H, s)

Aufarbeitung

  1. customthen was evacuated
  2. additionback filled with nitrogen
  3. custommicrowave irradiation
  4. washwas washed with methanol
  5. washthe product eluted with 2M ammonia in methanol
  6. concentrationconcentrated in vacuo
  7. customThe resulting residue was purified by reverse phase HPLC (Phenomenex Gemini 5 μm C18, 0.1% HCO2H in water on a gradient of acetonitrile 5-98%)

Quellen und Nachweise

ORD-Eintrag
ord-0f402d6870624339b4eff3b0f2a11b48
Quelldatensatz
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09346817B2

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