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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 632848
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 632848
[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
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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

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 mL of N-methylpyrrolidone was heated to 70° C. and stirred overnight (17 h). The reaction was complete and allowed to cool to room temperature. The reaction was extracted with EtOAc (3ט5 mL) and with NaHCO3 (2ט10 mL). The crude organic layers were combined, dried over anhydrous Na2SO4 (s), 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 desired product was collected as an off white solid (115 mg, 27%). 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. extractionThe reaction was extracted with EtOAc (3ט5 mL) and with NaHCO3 (2ט10 mL)
  2. dry with materialdried over anhydrous Na2SO4 (s)
  3. filtrationfiltered
  4. concentrationthe concentrated in vacuo
  5. customThe crude mixture was then purified
  6. customwas collected as an off white solid (115 mg, 27%)

Quellen und Nachweise

ORD-Eintrag
ord-38a338a4704a49cc83c5bb3ddca243cd
Quelldatensatz
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09321766B1

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