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Acetic Acid → 1-methyl-3-pentyl-3,7-dihydro-1H-purine-2,6-dione

HRID 2386641
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2386641
[CH3:1][N:2]1[C:10](=[O:11])[C:9]2[N:8](CC=C)[CH:7]=[N:6][C:5]=2[N:4]([CH2:15][CH2:16][CH2:17][CH2:18][CH3:19])[C:3]1=[O:20].C1([SiH3])C=CC=CC=1.C(O)(=O)C>C(Cl)Cl.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:1][N:2]1[C:10](=[O:11])[C:9]2[NH:8][CH:7]=[N:6][C:5]=2[N:4]([CH2:15][CH2:16][CH2:17][CH2:18][CH3:19])[C:3]1=[O:20]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 176Acetic AcidHCID 12752PhenylsilaneHCID 592995971-methyl-3-pentyl-7-(2-propen-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Produkt 1

HCID 248477161-methyl-3-pentyl-3,7-dihydro-1H-purine-2,6-dione

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397HCID 178418397, VerbindungKatalysator
HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

1-methyl-3-pentyl-7-(2-propen-1-yl)-3,7-dihydro-1H-purine-2,6-dione (0.45 g, 1.63 mmol), phenylsilane (0.25 ml, 2.03 mmol) and tetrakis(triphenylphosphine)palladium(0) (0.35 g, 0.3 mmol) was dissolved in DCM (10 ml) containing acetic acid (6 ml). The air in the flask was replaced by nitrogen by evacuating the flask then filling with nitrogen (×3) and the reaction mixture heated to 45 C for 4 h. The solution was allowed to cool diluted with DCM then washed with water then saturated sodium bicarbonate solution. The organics were isolated, dried and concentrated to yield crude product. Purification by SPE (silica) eluting with ether provided the product, 0.06 g, 16%. m/z 237 [MH+].

Aufarbeitung

  1. customby evacuating the flask
  2. temperaturethe reaction mixture heated to 45 C for 4 h
  3. temperatureto cool
  4. additiondiluted with DCM
  5. washthen washed with water
  6. customThe organics were isolated
  7. customdried
  8. concentrationconcentrated
  9. customto yield crude product
  10. customPurification by SPE (silica)
  11. washeluting with ether
  12. customprovided the product, 0.06 g, 16%

Quellen und Nachweise

ORD-Eintrag
ord-2d6d7a3bc4484ed1a3698d70d5153fb2
Quelldatensatz
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08268839B2

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