公开(公告)号：CA1194037A

公开(公告)日：1985-09-24

申请号：CA425444

申请日：1983-04-07

Applicant: BASF AG

Inventor： DUEMBGEN GERD ,  FOUQUET GERD ,  KRABETZ RICHARD ,  LUCAS EKHART ,  MERGER FRANZ ,  NEES FRIEDBERT

IPC: B01J31/00 ,  B01J31/04 ,  C07B61/00 ,  C07C45/00 ,  C07C45/75 ,  C07C47/21 ,  C07C47/22 ,  C07C67/00

Abstract: .alpha.-Alkylacroleins are prepared by a process wherein an alkanal is reacted with formaldehyde in the presence of a secondary amine and, if desired, of an acid, in the liquid phase, under superatmospheric pressure and at above 150.degree.C, for not more than 25 minutes. The .alpha.-alkylacroleins obtainable by the process are useful starting materials for dyes, drugs and pesticides.