公开(公告)号：US09981904B2

公开(公告)日：2018-05-29

申请号：US15505803

申请日：2015-08-25

Applicant: BASF SE

Inventor： Christof Wilhelm Wigbers ,  Wolfgang Maegerlein ,  Thomas Krug ,  Johann-Peter Melder ,  Thomas Heidemann ,  Bernd Stein

IPC: C07C209/48 ,  B01J23/75 ,  B01J37/18 ,  B01J35/00 ,  B01J23/78

CPC classification number: C07C209/48 ,  B01J23/75 ,  B01J23/78 ,  B01J35/0006 ,  B01J35/002 ,  B01J37/18 ,  C07C2523/75 ,  Y02P20/582 ,  C07C211/11 ,  C07C211/09 ,  C07C211/12 ,  C07C211/18

Abstract: The invention relates to a process for preparing primary amines, which comprises hydrogenating at least one nitrile in an apparatus (V1) in the presence of an unsupported cobalt catalyst to obtain at least one primary amine, with recurrent or continuous addition of at least one compound (I) to the apparatus (V1), said compound (I) comprising at least one component selected from alkali metal, alkaline earth metal and rare earth metal.