公开(公告)号：DE4214808A1

公开(公告)日：1993-11-11

申请号：DE4214808

申请日：1992-05-04

Applicant: BASF AG

Inventor： GEHRER EUGEN DR ,  HADER WOLFGANG DR ,  VOGEL HERBERT DR ,  KNUTH BERNHARD DR ,  EBEL KLAUS DR ,  GROENING CARSTEN DR

IPC: C07B61/00 ,  C07C45/00 ,  C07C45/75 ,  C07C49/17 ,  C07D277/62 ,  C07D277/20 ,  C07D277/84 ,  B01J31/02

Abstract: Process for the preparation of dihydroxyacetone by the thiazolium ylide-catalysed condensation of formaldehyde, in which the reaction is carried out in a reaction system consisting of an aqueous phase and at least one organic liquid phase.