公开(公告)号：MY135723A

公开(公告)日：2008-06-30

申请号：MYPI20030657

申请日：2003-02-25

Applicant: BASF AG

Inventor： BOHLING RALF DR ,  STEINBRENNER ULRICH DR ,  FUNKE FRANK DR ,  MULLER GUNTER ,  GAUS GUNTER DR ,  BENISCH CHRISTOPH DR

IPC: C07B61/00 ,  C07C209/60 ,  C07C211/05 ,  C07C211/08

Abstract: THE PRESENT INVENTION DESCRIBES A PROCESS FOR THE PREPARATION OF ETHYLDIMETHYLAMINE AND TRIETHYLAMINE WITH THE FOLLOWING STEPS: (I) REACTION OF A MIXTURE OF DIETHYLAMINE AND DIMETHYL AMINE WITH ETHYLENE IN THE PRESENCE OF A CATALYST FROM THE GROUP OF ALKALI METAL DIMETHYLAMIDES, ALKALI METAL DIETHYLAMIDES AND ALKALI METAL HYDRIDES (II) REMOVAL OF THE CATALYST (III) DISTILLATION SEPARATION OF THE RESULTING MIXTURE IN TRIETHYLAMINE AND ETHYLDIMETHYLAMINE AND OPTIONALLY DIETHYLAMINE AND DIMETHYLAMINE (IV) OPTIONAL RETURN OF THE CATALYST AND OF THE STARTING AMINES TO THE REACTION.THE PROCESS ACCORDING TO THE INVENTION PERMITS THE COPRODUCTION OF ETHYLDIMETHYLAMINE AND DIETHYLAMINE IN A SIMPLE PROCESS.