Ammonia → N-[1-(2-aminoethyl)-4-piperidinyl]-3-(2-pyridinylmethyl)-3H-imidazo[4,5-b]pyridin-2-amine

HRID 845778Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 845778
Cl.FC1C=CC(CNC2C=NC=CC=2[N+]([O-])=O)=CC=1.[N:20]1[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=1[CH2:26][N:27]1[C:31]2=[N:32][CH:33]=[CH:34][CH:35]=[C:30]2[N:29]=[C:28]1[NH:36][CH:37]1[CH2:42][CH2:41][N:40]([CH2:43][C:44]#[N:45])[CH2:39][CH2:38]1.N.[H][H]>[Ni].CO>[NH2:45][CH2:44][CH2:43][N:40]1[CH2:39][CH2:38][CH:37]([NH:36][C:28]2[N:27]([CH2:26][C:21]3[CH:22]=[CH:23][CH:24]=[CH:25][N:20]=3)[C:31]3=[N:32][CH:33]=[CH:34][CH:35]=[C:30]3[N:29]=2)[CH2:42][CH2:41]1

Komponenten

7

Edukt 4

HCID 222AmmoniaHCID 135880184-[[3-(2-pyridinylmethyl)-3H-imidazo[4,5-b]pyridin-2-yl]amino]-1-piperidineacetonitrileHCID 15614715HCID 15614715, VerbindungHCID 178418361HCID 178418361, Verbindung

Produkt 1

HCID 13588073N-[1-(2-aminoethyl)-4-piperidinyl]-3-(2-pyridinylmethyl)-3H-imidazo[4,5-b]pyridin-2-amineAusbeute 90 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 935NickelKatalysatorHCID 887MethanolLösungsmittel

Versuchsvorschrift

A mixture of 17 parts of 4-[[3-(2-pyridinylmethyl)-3H-imidazo[4,5-b]pyridin-2-yl]amino]-1-piperidineacetonitrile and 400 parts of methanol, saturated with ammonia, was hydrogenated at normal pressure and at room temperature with 3 parts of Raney-nickel catalyst. After the calculated amount of hydrogen was taken up, the catalyst was filtered off and the filtrate was evaporated. The residue was crystallized from acetonitrile, yielding 15 parts (90%) of N-[1-(2-aminoethyl)-4-piperidinyl]-3-(2-pyridinylmethyl)-3H-imidazo[4,5-b]pyridin-2-amine; mp. 151.1° C. (intermediate 102).

Aufarbeitung

  1. filtrationthe catalyst was filtered off
  2. customthe filtrate was evaporated
  3. customThe residue was crystallized from acetonitrile

Quellen und Nachweise

ORD-Eintrag
ord-85c00a7f55b94243b5ee40c6c3cd8c37
Quelldatensatz
uspto-grants-1988_07
Patentnummer
US04760074

Notizen zur Reaktion

Wird geladen…