PROCESS FOR PREPARING 2-(4-PYRIDYL)AMINO-6-DIALKYLOXYPHENYL-PYRIDO 2,3-D PYRIMIDIN-7-ONES

PROCESS FOR PREPARING 2-(4-PYRIDYL)AMINO-6-DIALKYLOXYPHENYL-PYRIDO 2,3-D PYRIMIDIN-7-ONES

The present invention relates to a process for preparing 2-(pyridin-4-ylamino-pyrido [2,3-d]pyrimidine of Formula II by reacting a 4-aminopyridine of the formula with a 2-(4-imino-4H-pyridin-1-yl)-pyrido[2,3-d]pyrimidine of Formula I in the presence of a base. It also relates to an alternative proce...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE, RICHARD, J, MARLATT, MARK, E, BEYLIN, VLADIMIR G
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to a process for preparing 2-(pyridin-4-ylamino-pyrido [2,3-d]pyrimidine of Formula II by reacting a 4-aminopyridine of the formula with a 2-(4-imino-4H-pyridin-1-yl)-pyrido[2,3-d]pyrimidine of Formula I in the presence of a base. It also relates to an alternative process for preparing a compound of Formula II by reacting the aminopyridine hereinabove with in a unreactive organic solvent. It also relates to the compound of Formula III.