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 IIand a compound of formula IIIin the presence of an oxidizing agent and a reducing agent, wherein a metal salt is added to form a complex with the oxidized re...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOSER, STEFAN, HOLMAN, NICHOLAS, JOHN
Format: Patent
Sprache:eng ; fre ; ger
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 IIand a compound of formula IIIin the presence of an oxidizing agent and a reducing agent, wherein a metal salt is added to form a complex with the oxidized reducing agent produced in the process, and this complex is separated from the desired product.