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Triethylamine → 2-ethoxymethyl-7-(pyridin-3-yl)-1-{[1-(tetrahydrofuran-2-ylcarbonyl)piperidin-4-yl]methyl}-1H-imidazo[4,5-c]quinolin-4-amine

HRID 9394
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 9394
Cl.Cl.Cl.[CH2:4]([O:6][CH2:7][C:8]1[N:9]([CH2:28][CH:29]2[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]2)[C:10]2[C:19]3[CH:18]=[CH:17][C:16]([C:20]4[CH:21]=[N:22][CH:23]=[CH:24][CH:25]=4)=[CH:15][C:14]=3[N:13]=[C:12]([NH2:26])[C:11]=2[N:27]=1)[CH3:5].C(N(CC)CC)C.[O:42]1[CH2:46][CH2:45][CH2:44][CH:43]1[C:47](O)=[O:48].Cl.CON(OC)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1>C(Cl)(Cl)Cl>[CH2:4]([O:6][CH2:7][C:8]1[N:9]([CH2:28][CH:29]2[CH2:30][CH2:31][N:32]([C:47]([CH:43]3[CH2:44][CH2:45][CH2:46][O:42]3)=[O:48])[CH2:33][CH2:34]2)[C:10]2[C:19]3[CH:18]=[CH:17][C:16]([C:20]4[CH:21]=[N:22][CH:23]=[CH:24][CH:25]=4)=[CH:15][C:14]=3[N:13]=[C:12]([NH2:26])[C:11]=2[N:27]=1)[CH3:5]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 5

HCID 8471TriethylamineHCID 757711-HydroxybenzotriazoleHCID 86079(+-)-Tetrahydro-2-furoic acidHCID 219842792-ethoxymethyl-1-(piperidin-4-ylmethyl)-7-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amine trihydrochlorideHCID 219844591-(3-Dimethoxyaminopropyl)-3-ethylcarbodiimide hydrochloride

Produkt 1

HCID 21984141
2-ethoxymethyl-7-(pyridin-3-yl)-1-{[1-(tetrahydrofuran-2-ylcarbonyl)piperidin-4-yl]methyl}-1H-imidazo[4,5-c]quinolin-4-amine
Ausbeute 69,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6212ChloroformLösungsmittel2×

Reaktionsbedingungen

Temperatur
4 °C

Versuchsvorschrift

A solution of 2-ethoxymethyl-1-(piperidin-4-ylmethyl)-7-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amine trihydrochloride (1.0 g, 1.90 mmol) and triethylamine (1.35 mL, 9.50 mmol) in chloroform (80 mL) was cooled to 4° C. 2-Tetrahydrofuroic acid (0.243 g, 2.09 mmol) and 1-(3-dimethoxyaminopropyl)-3-ethylcarbodiimide hydrochloride (0.401 g, 2.09 mmol) were sequentially added, and the reaction was stirred for two hours. The reaction was incomplete as determined by thin layer chromatography (TLC) analysis. The reaction was cooled to 4° C., and 1-hydroxybenzotriazole (0.283 g, 2.09 mmol) was added. The reaction was allowed to warm to ambient temperature, stirred for 16 hours, and then diluted with chloroform (100 mL). The resulting solution was washed sequentially with water (100 mL), 4% aqueous sodium carbonate (2×100 mL), water (200 mL), and brine (150 mL); dried over sodium sulfate; filtered; and concentrated under reduced pressure. The residue was purified by HPFC followed by recrystallization from ethyl acetate to provide 0.68 g of 2-ethoxymethyl-7-(pyridin-3-yl)-1-{[1-(tetrahydrofuran-2-ylcarbonyl)piperidin-4-yl]methyl}-1H-imidazo[4,5-c]quinolin-4-amine as a white, crystalline solid, mp 191–192° C.

Aufarbeitung

  1. temperatureto warm to ambient temperature
  2. stirringstirred for 16 hours
  3. washThe resulting solution was washed sequentially with water (100 mL), 4% aqueous sodium carbonate (2×100 mL), water (200 mL), and brine (150 mL)
  4. dry with materialdried over sodium sulfate
  5. filtrationfiltered
  6. concentrationand concentrated under reduced pressure
  7. customThe residue was purified by HPFC
  8. customfollowed by recrystallization from ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-18c55e75a5c248f0a49de337c375323e
Quelldatensatz
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07091214B2

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