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Acetic Acid → HCID 178448865, Verbindung

HRID 1158232
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1158232
[CH:1]([NH:4][C:5]1[N:10]=[C:9]([C:11](=O)[C:12]([C:14]2[CH:19]=[CH:18][C:17]([F:20])=[CH:16][CH:15]=2)=O)[CH:8]=[CH:7][N:6]=1)([CH3:3])[CH3:2].[CH2:22]1[N:27]2CN3CN(C2)C[N:23]1C3.[O-]S([O-])(=O)=O.[Na+].[Na+].[CH3:39]C(O)=O>>[C:1]([NH:4][C:5]1[N:10]=[C:9]([C:11]2[N:23]=[CH:22][NH:27][C:12]=2[C:14]2[CH:19]=[CH:18][C:17]([F:20])=[CH:16][CH:15]=2)[CH:8]=[CH:7][N:6]=1)([CH3:39])([CH3:3])[CH3:2]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 4

HCID 176Acetic AcidHCID 4101HexamethylenetetramineHCID 24436Sodium SulfateHCID 121652381-(2-iso-propylamino-pyrimidin-4-yl)-2-(4-fluoro-phenyl)-ethane-1,2-dione

Produkt 1

HCID 178448865HCID 178448865, VerbindungAusbeute 52 %

Reaktionsbedingungen

Temperatur
65 °C

Versuchsvorschrift

A mixture of 1-(2-iso-propylamino-pyrimidin-4-yl)-2-(4-fluoro-phenyl)-ethane-1,2-dione (12.5 g, 43.5 mmol), hexamethylenetetramine (12.2 g, 87.1 mmol), NH4OAc (17 g, 220 mmol), and Na2SO4 (12 g) in AcOH (150 mL) was heated at 65° C. After 4 h, the mixture was cooled to rt. The mixture was filtered, washing with AcOH. The filtrate was concentrated, and the residue was dissolved in CH2Cl2. The organic solution was washed with 1 N NaOH, dried (Na2SO4), and concentrated. The crude product was purified by column chromatography (MeOH/hexanes) to afford the title compound as a light yellow solid (6.8 g, 52%). TLC (10% MeOH/CH2Cl2): Rf=0.21. 1H NMR: 8.13 (br s, 1H), 7.84 (br s, 1H), 7.61 (br s, 2H), 7.14 (t, J=7.8 Hz, 2H), 6.87 (br s, 1H), 5.31 (br s, 1H), 4.14 (br s, 1H), 1.26 (d, J=9.8 Hz, 6H). HRMS (ESI): [M+H]+calcd. for C16H17FN5, 298.1463; found, 298.1461.

Aufarbeitung

  1. temperaturethe mixture was cooled to rt
  2. filtrationThe mixture was filtered
  3. washwashing with AcOH
  4. concentrationThe filtrate was concentrated
  5. dissolutionthe residue was dissolved in CH2Cl2
  6. washThe organic solution was washed with 1 N NaOH
  7. dry with materialdried (Na2SO4)
  8. concentrationconcentrated
  9. customThe crude product was purified by column chromatography (MeOH/hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-d10ba44a6823437fa2a3c565687f9063
Quelldatensatz
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07807832B2

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