Process for preparing N,N'-carbonyldiazoles

Process for preparing N,N'-carbonyldiazoles

A process is provided for preparing N,N'-carbonyldiazoles by reacting azoles with phosgene in halogenated aliphatic hydrocarbon solvents, the entirety of the azole for reaction being introduced in the solvent, followed by the addition of phosgene.

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Bibliographische Detailangaben
Hauptverfasser: GRIEHSEL BERND, JOB ANDREAS
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A process is provided for preparing N,N'-carbonyldiazoles by reacting azoles with phosgene in halogenated aliphatic hydrocarbon solvents, the entirety of the azole for reaction being introduced in the solvent, followed by the addition of phosgene.