公开(公告)号：MY136163A

公开(公告)日：2008-08-29

申请号：MYPI20034611

申请日：2003-12-03

Applicant: BASF AG

Inventor： FISCHER ROLF-HARTMUTH DR ,  KRUG THOMAS ,  HAUNERT ANDREA DR ,  PER MICHAEL R XD PROF DR ,  SIRCH TILMAN ,  XDCER WOLFRAM ST DR

IPC: C07C29/17

Abstract: THE PRESENT INVENTION PROVIDES A PROCESS FOR PREPARING 1, 6-HEXANEDIOL HAVING A PURITY OF ( )99.5BY WEIGHT BY CATALYTICALLY DIMERIZING ACRYLIC ESTERS AND CATALYTICALLY HYDROGENATING THE HEXENEDIOIC DIESTERS OBTAINED IN THIS WAY TO 1, 6-HEXANEDIOL BY A)DIMERIZING C( )-TO C( )-ACRYLIC ESTERS IN THE PRESENCE OF AT LEAST ONE FHODIUM COMPOUND TO GIVE MIXTURES OF PREDOMINANTLY 2- AND 3-HEXENEDIOIC DIESTERS,B)HYDROGENATING THE RESULTING DIMERIZING EFFLUENT IN THE PRESENCE OF CHROMIUM-FREE-CATALYSTS COMPRISING PREDOMINANTLY COPPER AS THE HYDROGENATION COMPONENT ANDC)PURIFYING THE CRUDE 1, 6-HEXANEDIOL OBTAINED IN THIS WAY BY FRACTIONAL DISTILLATION.