PROCESS FOR THE PREPARATION OF 7-ALKOXYALKYL-1,2,4-TRIAZOLO[1,5-A] PYRIMIDINE DERIVATIVES

PROCESS FOR THE PREPARATION OF 7-ALKOXYALKYL-1,2,4-TRIAZOLO[1,5-A] PYRIMIDINE DERIVATIVES

An improved process for the preparation of 1,2,4-triazolo¢1,5-a!pyrimidine compounds comprising the reaction involving a compound of formula (II), and a compound of formula (III), in the presence of an oxidising agent and a reducing agent, wherein a metal salt is added to form a complex with the oxi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOSER, STEFAN, HOLMAN, NICHOLAS JOHN
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:An improved process for the preparation of 1,2,4-triazolo¢1,5-a!pyrimidine compounds comprising the reaction involving a compound of formula (II), and a compound of formula (III), in the presence of an oxidising agent and a reducing agent, wherein a metal salt is added to form a complex with the oxidised reducing agent produced in the process, and this complex is separated from the desired product.