Method for the production of n,n -carbonyldiazoles

Method for the production of n,n -carbonyldiazoles

Disclosed is a method for producing N,N'-carbonyldiazoles by reacting azoles with phosgene in polar solvents from the group comprising ethers, ketones, and chlorinated aliphatic solvents. According to the inventive method, the azole and the phosgene are dosed such that 0.17 to 0.37 mole of phos...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GRIEHSEL BERND, JOB ANDREAS, SCHERER JOHANNES
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Disclosed is a method for producing N,N'-carbonyldiazoles by reacting azoles with phosgene in polar solvents from the group comprising ethers, ketones, and chlorinated aliphatic solvents. According to the inventive method, the azole and the phosgene are dosed such that 0.17 to 0.37 mole of phosgene are dosed during the time one mole of azole is dosed.