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Trifluoroacetic acid → 4-amino-N,N-dicyclopropyl-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridine-7-carboxamide

HRID 220347
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 220347
[CH:1]1([N:4]([CH:41]2[CH2:43][CH2:42]2)[C:5]([C:7]2[N:38]([CH2:39][CH3:40])[C:10]3=[N:11][C:12]([N:19](CC4C=CC(OC)=CC=4OC)C(=O)OC(C)(C)C)=[C:13]4[N:17]=[CH:16][N:15]([CH3:18])[C:14]4=[C:9]3[CH:8]=2)=[O:6])[CH2:3][CH2:2]1.C(O)(C(F)(F)F)=O>ClCCl>[NH2:19][C:12]1[N:11]=[C:10]2[N:38]([CH2:39][CH3:40])[C:7]([C:5]([N:4]([CH:41]3[CH2:43][CH2:42]3)[CH:1]3[CH2:3][CH2:2]3)=[O:6])=[CH:8][C:9]2=[C:14]2[N:15]([CH3:18])[CH:16]=[N:17][C:13]=12
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 58180545Tert-butyl 7-(dicyclopropylcarbamoyl)-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridin-4-yl(2,4-dimethoxybenzyl)carbamate

Produkt 1

HCID 581805034-amino-N,N-dicyclopropyl-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridine-7-carboxamideAusbeute 79 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344Dichloromethane
Lösungsmittel

Versuchsvorschrift

To a solution of tert-butyl 7-(dicyclopropylcarbamoyl)-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridin-4-yl(2,4-dimethoxybenzyl)carbamate (example 1I, 2.66 g, 4.51 mmol) in dichloromethane (33.8 mL) was added TFA (11.28 mL). The reaction mixture was stirred at rt 45 min and was concentrated in vacuo. The crude residue was partitioned between ethyl acetate and saturated aqueous sodium bicarbonate. The aqueous layer was extracted with ethyl acetate (2×) and the combined organics were dried over anhydrous sodium sulfate, filtered and concentrated in vacuo. The crude solid was purified by flash chromatography using an Isco 40 g column eluting with 4-10% MeOH/CH2Cl2 to yield 4-amino-N,N-dicyclopropyl-6-ethyl-1-methyl-1,6-dihydroimidazo[4,5-d]pyrrolo[2,3-b]pyridine-7-carboxamide (1.2 g, 3.55 mmol, 79% yield) as a pale yellow solid.

Aufarbeitung

  1. concentrationwas concentrated in vacuo
  2. customThe crude residue was partitioned between ethyl acetate and saturated aqueous sodium bicarbonate
  3. extractionThe aqueous layer was extracted with ethyl acetate (2×)
  4. dry with materialthe combined organics were dried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude solid was purified by flash chromatography
  8. washeluting with 4-10% MeOH/CH2Cl2

Quellen und Nachweise

ORD-Eintrag
ord-6fb78fdba74349dc84d5349fa5bd4146
Quelldatensatz
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08202881B2

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