公开(公告)号：BG101632A

公开(公告)日：1998-02-27

申请号：BG10163297

申请日：1997-06-17

Applicant: BASF AG

Inventor： SCHURR WERNER ,  FISCHER ROLF ,  BASSLER PETER ,  HARDER WOLFGANG

IPC: C07B61/00 ,  C07C253/30 ,  C07C255/24

Abstract: Aliphatic alpha,omega-aminonitriles are prepared by partiallyhydrogenating aliphatic alpha,omega-dinitriles at an increasedtemperature and pressure in the presence of a base and anhydrogenation catalyst. Hydrogenation is carried out in thepresence of ammonia and lithium hydroxide or a compound thatreleases lithium hydroxide during the hydrogenation process.

公开(公告)号：NZ297803A

公开(公告)日：1999-08-30

申请号：NZ29780395

申请日：1995-12-16

Applicant: BASF AG

Inventor： MELDER JOHANN-PETER ,  SCHURR WERNER ,  FLICK KLEMENS ,  EBEL KLAUS ,  WITZEL TOM ,  FISCHER ROLF ,  HARDER WOLFGANG ,  REHFINGER ALWIN

IPC: B01J23/76 ,  B01J23/889 ,  B01J23/89 ,  B01J27/18 ,  B01J37/02 ,  C07B61/00 ,  C07C253/30 ,  C07C255/24

Abstract: Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which (a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and (b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and (c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal. with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.

公开(公告)号：ID16587A

公开(公告)日：1997-10-16

申请号：ID971147

申请日：1997-04-04

Applicant: BASF AG

Inventor： SCHURR WERNER ,  VOIT GUIDO ,  FLICK KLEMENS ,  MELDER JOHANN-PETER ,  FISCHER ROLF ,  HARDER WOLFGANG

IPC: C07B61/00 ,  B01J25/02 ,  C07C209/48 ,  C07C211/12 ,  C07C253/30 ,  C07C255/24

Abstract: A process for the coproduction of 6-aminocapronitrile (ACN) and hexamethylenediamine (HMD) by treatment of adiponitrile (ADN) with hydrogen in the presence of a nickel-containing catalyst at temperatures not below room temperature and elevated hydrogen partial pressure in the presence or absence of a solvent comprises, after the conversion based on ADN and/or the selectivity based on ACN has or have dropped below a defined value (a) interrupting the treatment of ADN with hydrogen by stopping the feed of ADN and of the solvent, if used, (b) treating the catalyst at from 150 DEG to 400 DEG C. with hydrogen using a hydrogen pressure within the range from 0.1 to 30 MPa and a treatment time within the range from 2 to 48 h, and (c) then continuing the hydrogenation of ADN with the treated catalyst of stage (b).