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Iodobenzene → (8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one

HRID 80605
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 80605
[N:1]1([C:7]2[N:8]=[C:9]3[NH:17][C@H:16]([C:18]([F:21])([F:20])[F:19])[CH2:15][CH2:14][N:10]3[C:11](=[O:13])[CH:12]=2)[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].I[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1>[Cu](I)I.CN(C)C=O>[N:1]1([C:7]2[N:8]=[C:9]3[N:17]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)[C@H:16]([C:18]([F:20])([F:21])[F:19])[CH2:15][CH2:14][N:10]3[C:11](=[O:13])[CH:12]=2)[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1
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Komponenten

6

Edukt 3

HCID 11575IodobenzeneHCID 62657Potassium Phosphate, TribasicHCID 136238743(S)-8-(Morpholin-4-yl)-2-(trifluoromethyl)-1,2,3,4-tetrahydropyrimido[1,2-a]pyrimidin-6-one

Produkt 1

HCID 49853991(8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 83717
Copper iodide
Katalysator
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

In a microwave tube, 425 mg of (S)-2-morpholin-4-yl-8-trifluoromethyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one (Example 1e) are introduced into 1 ml of dimethylformamide, 422 mg of tripotassium phosphate, 380 mg of copper iodide and 2 ml of iodobenzene. The mixture obtained is heated in a microwave oven for 30 minutes at 150° C. The reaction mixture is then centrifuged. The separated supernatant is then rinsed with ethyl acetate and then evaporated to dryness. The residue is taken up with ethyl acetate and the solution obtained is washed with water. The organic phase is separated and then dried over magnesium sulphate, filtered, and concentrated under vacuum. After purification by silica chromatography (gradient of 5% to 15% of the eluent CH2Cl2/MeOH/NH4OH 28% 38/17/2 in dichloromethane), 150 mg of (8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one are obtained, the characteristics of which are the following:

Aufarbeitung

  1. customThe mixture obtained
  2. washThe separated supernatant is then rinsed with ethyl acetate
  3. customevaporated to dryness
  4. customthe solution obtained
  5. washis washed with water
  6. customThe organic phase is separated
  7. dry with materialdried over magnesium sulphate
  8. filtrationfiltered
  9. concentrationconcentrated under vacuum
  10. customAfter purification by silica chromatography (gradient of 5% to 15% of the eluent CH2Cl2/MeOH/NH4OH 28% 38/17/2 in dichloromethane), 150 mg of (8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one
  11. customare obtained

Quellen und Nachweise

ORD-Eintrag
ord-6bf47a4ec8af4408815c10fc742f740f
Quelldatensatz
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08846670B2

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