Process for producing carbonic acid diaryl ester

Process for producing carbonic acid diaryl ester

An improvement to the interfacial boundary process for producing carbonic acid diaryl esters is disclosed. In the two-stage process that entails phosgene and monophenols reaction in an inert solvent, in the presence of alkali and in the presence of a nitrogen base catalyst, the improvement comprisin...

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Hauptverfasser: Kuhling, Steffen, Alewelt, Wolfgang
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creator Kuhling, Steffen
Alewelt, Wolfgang
description An improvement to the interfacial boundary process for producing carbonic acid diaryl esters is disclosed. In the two-stage process that entails phosgene and monophenols reaction in an inert solvent, in the presence of alkali and in the presence of a nitrogen base catalyst, the improvement comprising maintaining a temperature below 50° C. in the first and second stages.
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title Process for producing carbonic acid diaryl ester
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