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Methyl iodide → 2-Chloro-7,7-difluoro-5-methyl-9-(2-thiophen-2-yl-ethyl)-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one

HRID 1676802
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1676802
[Cl:1][C:2]1[N:3]=[CH:4][C:5]2[NH:11][C:10](=[O:12])[C:9]([F:14])([F:13])[CH2:8][N:7]([CH2:15][CH2:16][C:17]3[S:18][CH:19]=[CH:20][CH:21]=3)[C:6]=2[N:22]=1.[C:23](=O)([O-])[O-].[Cs+].[Cs+].IC>CN(C)C=O>[Cl:1][C:2]1[N:3]=[CH:4][C:5]2[N:11]([CH3:23])[C:10](=[O:12])[C:9]([F:13])([F:14])[CH2:8][N:7]([CH2:15][CH2:16][C:17]3[S:18][CH:19]=[CH:20][CH:21]=3)[C:6]=2[N:22]=1
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Komponenten

5

Edukt 3

HCID 6328Methyl iodideHCID 10796Cesium carbonateHCID 866375092-Chloro-7,7-difluoro-9-(2-thiophen-2-yl-ethyl)-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one

Produkt 1

HCID 866375102-Chloro-7,7-difluoro-5-methyl-9-(2-thiophen-2-yl-ethyl)-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-oneAusbeute 102,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

To a solution of 0.51 g (0.0015 mole) of 2-chloro-7,7-difluoro-9-(2-thiophen-2-yl-ethyl)-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one (VI-269) in 12 mL of dimethylformamide was added 0.58 g (0.0023 mole) of cesium carbonate, followed by 0.28 mL (0.0045 mole) of iodomethane. After stirring four hours, the mixture filtered and then concentrated under reduced pressure. Ice water and dichloromethane were added. The mixture was extracted with dichloromethane twice. The combined organic layers were washed three times with sodium carbonate, three times with brine, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure to give 0.55 g of 2-chloro-7,7-difluoro-5-methyl-9-(2-thiophen-2-yl-ethyl)-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one (VII-269) as a sticky solid.

Aufarbeitung

  1. filtrationthe mixture filtered
  2. concentrationconcentrated under reduced pressure
  3. additionIce water and dichloromethane were added
  4. extractionThe mixture was extracted with dichloromethane twice
  5. washThe combined organic layers were washed three times with sodium carbonate, three times with brine
  6. dry with materialdried over anhydrous sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-94c59bf6421d4ce8978f013aa3daba56
Quelldatensatz
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08003785B2

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