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Diisopropylethylamine → N-[6-[3-[4-(diphenylmethoxy)piperidino]propylamino]-3-methylimidazo[1,2-b]pyridazine-2-carbonyl]glycine ethyl ester

HRID 1169107
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1169107
[C:1]1([CH:7]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[O:8][CH:9]2[CH2:14][CH2:13][N:12]([CH2:15][CH2:16][CH2:17][NH2:18])[CH2:11][CH2:10]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH2:25]([O:27][C:28](=[O:44])[CH2:29][NH:30][C:31]([C:33]1[N:34]=[C:35]2[CH:40]=[CH:39][C:38](Cl)=[N:37][N:36]2[C:42]=1[CH3:43])=[O:32])[CH3:26].C(N(C(C)C)C(C)C)C>CN1CCCC1=O>[CH2:25]([O:27][C:28](=[O:44])[CH2:29][NH:30][C:31]([C:33]1[N:34]=[C:35]2[CH:40]=[CH:39][C:38]([NH:18][CH2:17][CH2:16][CH2:15][N:12]3[CH2:13][CH2:14][CH:9]([O:8][CH:7]([C:1]4[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=4)[C:19]4[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=4)[CH2:10][CH2:11]3)=[N:37][N:36]2[C:42]=1[CH3:43])=[O:32])[CH3:26]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 109693934-(Diphenylmethoxy)-1-piperidinepropaneamineHCID 22989322N-(6-chloro-3-methylimidazo[1,2-b]pyridazine-2-carbonyl)glycine ethyl ester

Produkt 1

HCID 22989214N-[6-[3-[4-(diphenylmethoxy)piperidino]propylamino]-3-methylimidazo[1,2-b]pyridazine-2-carbonyl]glycine ethyl esterAusbeute 35,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 13387
N-methyl-2-pyrrolidone
Lösungsmittel

Reaktionsbedingungen

Temperatur
95 °C

Versuchsvorschrift

1.17 g of 4-(diphenylmethoxy)-1-piperidinepropanamine and 0.891 g of N-(6-chloro-3-methylimidazo[1,2-b]pyridazine-2-carbonyl)glycine ethyl ester were dissolved in 10 ml of 1-methyl-2-pyrrolidone; 0.517 ml of N-ethyldiisopropylamine was added, followed by stirring in an oil bath (90-100° C.) for 15 hours. After cooling, ice water was added, followed by extraction with ethyl acetate; the extract was washed with saline, dried over magnesium sulfate and concentrated under reduced pressure. The residue was subjected to silica gel column chromatography and eluted with ethyl acetate:methanol:triethylamine (90:10:1). The desired fraction was collected and recrystallized with ethyl acetate-ethyl ether (1:1) to yield 0.629 g of the title compound.

Aufarbeitung

  1. temperatureAfter cooling
  2. extractionfollowed by extraction with ethyl acetate
  3. washthe extract was washed with saline
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated under reduced pressure
  6. washeluted with ethyl acetate:methanol:triethylamine (90:10:1)
  7. customThe desired fraction was collected
  8. customrecrystallized with ethyl acetate-ethyl ether (1:1)

Quellen und Nachweise

ORD-Eintrag
ord-3214432334ca47ef985d3a28a348f329
Quelldatensatz
uspto-grants-2003_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06627630B1

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