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Acetic Acid → N-[4-(2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl) butyl]tetrahydro-2H-pyran-4-amine

HRID 1520414
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1520414
[CH2:1]([C:3]1[N:4]([CH2:16][CH2:17][CH2:18][CH2:19][NH2:20])[C:5]2[C:14]3[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=3[N:8]=[CH:7][C:6]=2[N:15]=1)[CH3:2].C(O)(=O)C.[O:25]1[CH2:30][CH2:29][C:28](=O)[CH2:27][CH2:26]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>O1CCCC1>[CH2:1]([C:3]1[N:4]([CH2:16][CH2:17][CH2:18][CH2:19][NH:20][CH:28]2[CH2:29][CH2:30][O:25][CH2:26][CH2:27]2)[C:5]2[C:14]3[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=3[N:8]=[CH:7][C:6]=2[N:15]=1)[CH3:2]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 176Acetic AcidHCID 121599Tetrahydro-4H-pyran-4-oneHCID 5049666Sodium triacetoxyborohydrideHCID 223444144-(2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl)butan-1-amine

Produkt 1

HCID 66896898N-[4-(2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl) butyl]tetrahydro-2H-pyran-4-amine

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

To a suspension of 4-(2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl)butan-1-amine obtained in step VI of example I in tetrahydrofuran was added acetic acid (1 eq.) and tetrahydro-pyran-4-one (1.1 eq.). Resulting reaction mixture was stirred for 10 min. Sodium triacetoxyborohydride (2.2 eq.) was added to reaction mixture over a period of 1 hrs and resulting suspension was then stirred for 4-5 hrs. Reaction was then quenched with methanol and concentrated to dryness. Reaction mixture was basified using aq.sodium hydroxide solution and extracted with chloroform. Organic layer was dried over sodium sulphate and concentrated under reduced pressure to yield sticky solid. Product was then purified by silica gel column chromatography to afford N-[4-(2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl)butyl]tetrahydro-2H-pyran-4-amine.

Aufarbeitung

  1. customResulting
  2. customreaction mixture
  3. customresulting suspension
  4. stirringwas then stirred for 4-5 hrs
  5. customReaction
  6. customwas then quenched with methanol
  7. concentrationconcentrated to dryness
  8. customReaction mixture
  9. extractionsodium hydroxide solution and extracted with chloroform
  10. dry with materialOrganic layer was dried over sodium sulphate
  11. concentrationconcentrated under reduced pressure
  12. customto yield sticky solid
  13. customProduct was then purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-d1f1608422954e29b76e5b7b48cc1e5c
Quelldatensatz
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09073913B2

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