METHOD FOR PRODUCING DIARYL CARBONATES

申请公布号：WO2013007601(A1)

申请号：WO2012EP63145

申请日期：2012.07.05

申请公布日期：2013.01.17

申请人：

BAYER INTELLECTUAL PROPERTY GMBH;OOMS, PIETER;RISSE, FRIEDHELM;DUEX, ANDRE;BUCHALY, CARSTEN;LEIBERICH, RICARDA;RONGE, GEORG;KRAEMER, KORBINIAN;SCHELLEN, RALPH;KOEHLER, KARL-HEINZ;VANDEN EYNDE, JOHAN

发明人：OOMS, PIETER;RISSE, FRIEDHELM;DUEX, ANDRE;BUCHALY, CARSTEN;LEIBERICH, RICARDA;RONGE, GEORG;KRAEMER, KORBINIAN;SCHELLEN, RALPH;KOEHLER, KARL-HEINZ;VANDEN EYNDE, JOHAN

分类号：C07C68/02;C07C68/08;C07C69/96

主分类号：C07C68/02

摘要：<p>Die Erfindung betrifft ein Verfahren zur Herstellung von Diarylcarbonat durch Umsetzung von Monohydroxyaromaten mit Phosgen in der Schmelze in Gegenwart von wenigstens einem Katalysator und ohne Zugabe von zusätzlichem Lösemittel, dadurch gekennzeichnet, dass aus der Aufarbeitung des Diarylcarbonats der oder die Katalysator(en) zurückgeführt wird/werden.</p>

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