Preparation of carbazole (I) from diphenylamine (II) comprises contacting (II) in the liquid phase with a noble metal catalyst at 200-340 (preferably 220-310) degrees C.
申请公布号
EP0808834(A1)
申请公布日期
1997.11.26
申请号
EP19970107776
申请日期
1997.05.13
申请人
BAYER AG
发明人
SCHNATTERER, ALBERT, DR.;FIEGE, HELMUT, DR.;JENTSCH, JOERG-DIETRICH, DR.;ZIRNGIEBL, EBERHARD, DR.
