发明名称 METHOD FOR PRODUCING DIARYL CARBONATES
摘要 The invention concerns a method for producing diaryl carbonates from monophenols and phosgene or chloroformic acid aryl esters in the presence of at least one optionally substituted pyridine or the hydrochloride salt thereof as catalyst, and the recovery and reinjection thereof back into the method. The method is carried out at least partially in a liquid phase without the use of an additional solvent, the catalyst being separated by means of distillation and recovered
申请公布号 WO2015169720(A1) 申请公布日期 2015.11.12
申请号 WO2015EP59656 申请日期 2015.05.04
申请人 COVESTRO DEUTSCHLAND AG 发明人 KÖHLER, KARL-HEINZ;LEIBERICH, RICARDA;HALLENBERGER, KASPAR;KRÄMER, KORBINIAN;LIPSKI, FLORIAN;KAHNIS, HENNING;DENECKER, GABRIEL;VANDEN EYNDE, JOHAN;WEERACHANAN, SOMHOM
分类号 C07C68/02;C07C69/96 主分类号 C07C68/02
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