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N,N'-Dimethylethylenediamine → tert-butyl {4-[3-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methyl-2-oxopyridin-1(2H)-yl]phenyl}carbamate

HRID 632844
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 632844
[NH2:1][C:2]1[N:3]=[CH:4][C:5]2[CH2:11][N:10]([C:12]3[C:13](=[O:19])[NH:14][CH:15]=[CH:16][C:17]=3[CH3:18])[CH2:9][CH2:8][C:6]=2[N:7]=1.[C:20]([O:24][C:25](=[O:34])[NH:26][C:27]1[CH:32]=[CH:31][C:30](I)=[CH:29][CH:28]=1)([CH3:23])([CH3:22])[CH3:21].CNCCNC.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>CN1CCCC1=O.[Cu](I)I>[NH2:1][C:2]1[N:3]=[CH:4][C:5]2[CH2:11][N:10]([C:12]3[C:13](=[O:19])[N:14]([C:30]4[CH:29]=[CH:28][C:27]([NH:26][C:25](=[O:34])[O:24][C:20]([CH3:22])([CH3:21])[CH3:23])=[CH:32][CH:31]=4)[CH:15]=[CH:16][C:17]=3[CH3:18])[CH2:9][CH2:8][C:6]=2[N:7]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 8070N,N'-DimethylethylenediamineHCID 62657Potassium Phosphate, TribasicHCID 2773612tert-butyl N-(4-iodophenyl)carbamateHCID 1212495913-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methylpyridin-2(1H)-one

Produkt 1

HCID 121261407tert-butyl {4-[3-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methyl-2-oxopyridin-1(2H)-yl]phenyl}carbamate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 83717Copper iodideKatalysatorHCID 13387N-methyl-2-pyrrolidoneLösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

A degassed solution of 3-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methylpyridin-2(1H)-one (250 mg, 0.97 mmol), tert-butyl(4-iodophenyl)carbamate (200 mg, 0.97 mmol), N1,N2-dimethylethane-1,2-diamine (50 mg, 0.49 mmol), copper iodide (40 mg, 0.20 mmol), and potassium phosphate (410 mg, 1.94 mmol) in 2.0 mL of N-methylpyrrolidone was heated to 70° C. After allowing the reaction to stir overnight (17 h) at 70° C., the reaction was complete and allowed to cool to room temperature. The reaction was extracted with EtOAc (3×5 mL) and 2×'s with NaHCO3 (2×10 mL). The crude organic layers were combined, dried over anhydrous Na2SO4, filtered and the concentrated in vacuo. The crude mixture was then purified using the ISCO flash chromatography system using an 0-100% EtOAc/100-0% Hexane gradient mixture. Following concentration of the appropriate fractions the title compound was collected as an off white solid (150 mg, 33%). 1H NMR (DMSO) δ: 9.52 (s, 1H), 7.92 (s, 1H), 7.45-7.52 (m, 2H), 7.41 (d, J=6.7 Hz, 1H), 7.24-7.31 (m, 2H), 6.28 (s, 2H), 6.17 (d, J=7.0 Hz, 1H), 3.96 (br. S, H), 3.29 (s, 2H), 2.66(t, j=5.3 Hz, 2H), 2.18 (s, 3H), 1.39 (s, 9H).

Aufarbeitung

  1. customthe reaction
  2. temperatureto cool to room temperature
  3. extractionThe reaction was extracted with EtOAc (3×5 mL) and 2×'
  4. dry with materialdried over anhydrous Na2SO4
  5. filtrationfiltered
  6. concentrationthe concentrated in vacuo
  7. customThe crude mixture was then purified
  8. customwas collected as an off white solid (150 mg, 33%)

Quellen und Nachweise

ORD-Eintrag
ord-1227c361e552445895c330a38aa21cc4
Quelldatensatz
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09321766B1

Notizen zur Reaktion

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