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Hydrochloric Acid → N-(4-(3-(piperidin-4-yl)pyrazin-2-yloxy)phenyl)pyridin-2-amine dihydrochloride

HRID 473709
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 473709
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[NH:7][C:8]1[CH:33]=[CH:32][C:11]([O:12][C:13]2[C:14]([C:19]3[CH2:24][CH2:23][N:22](C(OC(C)(C)C)=O)[CH2:21][CH:20]=3)=[N:15][CH:16]=[CH:17][N:18]=2)=[CH:10][CH:9]=1.C(Cl)[Cl:35].[ClH:37]>O1CCOCC1>[ClH:35].[ClH:37].[NH:22]1[CH2:21][CH2:20][CH:19]([C:14]2[C:13]([O:12][C:11]3[CH:32]=[CH:33][C:8]([NH:7][C:2]4[CH:3]=[CH:4][CH:5]=[CH:6][N:1]=4)=[CH:9][CH:10]=3)=[N:18][CH:17]=[CH:16][N:15]=2)[CH2:24][CH2:23]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 313Hydrochloric Acid2×HCID 6344DichloromethaneHCID 59374036tert-butyl 4-(3-(4-(pyridin-2-ylamino)phenoxy)pyrazin-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate

Produkt 1

HCID 67425394N-(4-(3-(piperidin-4-yl)pyrazin-2-yloxy)phenyl)pyridin-2-amine dihydrochloride

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 31275
1,4-Dioxane
Lösungsmittel
2×

Versuchsvorschrift

To a solution of tert-butyl 4-(3-(4-(pyridin-2-ylamino)phenoxy)pyrazin-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate (5.2 g, 11.67 mmol) and DCM (100 mL) was added 4M HCl in dioxane (12 mL, 48.0 mmol). After 4 hours, another 5 mL of 4M HCl in dioxane was added. After a further 16 hours, the precipitates had clung to the walls of the flask and the clear stirring solution was decanted away. The precipitates were washed with another 50 mL of DCM and the solution again decanted away. The flask was placed under vacuum for 30 minutes to give N-(4-(3-(piperidin-4-yl)pyrazin-2-yloxy)phenyl)pyridin-2-amine dihydrochloride as a hydroscopic yellow solid.

Aufarbeitung

  1. waitAfter a further 16 hours
  2. customthe clear stirring solution was decanted away
  3. washThe precipitates were washed with another 50 mL of DCM
  4. customthe solution again decanted away
  5. waitThe flask was placed under vacuum for 30 minutes

Quellen und Nachweise

ORD-Eintrag
ord-e10ea50882b549f3973317976f9f5d2f
Quelldatensatz
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08637500B2

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