公开(公告)号：DE19636768A1

公开(公告)日：1998-03-12

申请号：DE19636768

申请日：1996-09-10

Applicant: BASF AG

Inventor： FLICK KLEMENS DR ,  FISCHER ROLF DR ,  EBEL KLAUS DR ,  SCHNURR WERNER DR ,  VOIT GUIDO DR

IPC: B01J23/75 ,  B01J23/74 ,  B01J23/76 ,  B01J25/00 ,  C07B61/00 ,  C07C253/30 ,  C07C255/24 ,  C07C255/25

Abstract: The invention concerns catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles, containing: (a) metallic cobalt, a cobalt compound or their mixtures, the metallic cobalt portion being between 20 and 100 wt % relative to (a); (b) between 10 and 70 wt %, relative to (a), of metallic iron, iron oxide, a further iron compound or their mixtures, the iron oxide portion being between 20 and 100 wt % relative to (b); and (c) between 0 and 1 wt %, relative to (a), of a compound based on an alkali metal, alkaline earth metal or zinc.

公开(公告)号：DE19636767A1

公开(公告)日：1998-03-12

申请号：DE19636767

申请日：1996-09-10

Applicant: BASF AG

Inventor： EBEL KLAUS DR ,  FISCHER ROLF DR ,  FLICK KLEMENS DR ,  MERGER MARTIN DR ,  VOIT GUIDO DR

IPC: C07C209/48 ,  C07C211/12 ,  C07C253/30 ,  C07C255/24

Abstract: In the production of aliphatic alpha ,w-aminonitriles (I) by catalytic partial hydrogenation of aliphatic alpha ,w-dinitriles (II), the catalyst contains: (a) iron (Fe) and/or Fe compound(s); (b) 0.01-5 wt.%, with respect to (a), of a promoter based on group 2, 3, 4 or 5 elements selected from aluminium, silicon, zirconium, titanium and vanadium; and (c) 0-0.5 wt.%, with respect to (a), of an alkali(ne earth) metal compound. Preferably component (a) is based on Fe oxide(s) and (b) on Al, Si and V. The catalyst is optionally supported. Simultaneous production of ACN and HMD from ADN comprises: (1) catalytic partial hydrogenation of ADN to a mixture containing ACN, HMD and ADN; (2) separation of ACN and HMD from the mixture; (3) adding an acid or acid ion exchanger to the mixture containing ADN especially in an amount of 0.01-10 wt.% with respect to ADN, ADN is then separated. If ADN is separated by distillation, the acid used has a boiling point above that of ADN at the pressure used for distillation and a pKa value \} 10. The purified ADN is then recycled. Hydrogenation may be carried out in a suspension or stationary bed reactor.

公开(公告)号：DE19636764A1

公开(公告)日：1998-03-12

申请号：DE19636764

申请日：1996-09-10

Applicant: BASF AG

Inventor： LUYKEN HERMANN ,  REHFINGER ALWIN DR ,  BASLER PETER DR ,  VOIT GUIDO DR ,  FISCHER ROLF DR ,  MERGER MARTIN DR ,  RUST HARALD

IPC: C07C209/86 ,  C07C211/36 ,  C07C211/12

Abstract: Separation of 2-aminomethylcyclopentylamine (I) from a mixture with hexamethylene diamine (II) is carried out by distillation at 1-200 mbar.

公开(公告)号：DE19622644A1

公开(公告)日：1997-12-11

申请号：DE19622644

申请日：1996-06-05

Applicant: BASF AG

Inventor： HAGEMEYER ALFRED DR ,  HEINEKE DANIEL DR ,  VOIT GUIDO DR ,  WITZEL TOM DR

IPC: C07C245/08 ,  C07C291/08 ,  B01J23/18

Abstract: A process for the reductive coupling of nitrobenzene (NB) to give azobenzene (AB) and azoxybenzene (AOB), comprises passing NB with gaseous, hydrogen-free reducing agent(s) (RA) at elevated temperature in the gas phase over a heterogeneous redox catalyst in its reduced or partly reduced form. The catalyst contains active metal(s) of Bi, V, Cr, Mn, Fe, Co, Pb, Mo, Ce, U, Sn, Sb, Cu, La, W, Nb, Pd, Pt, Ni and/or In, and the average oxidation state of the active metal before contact with NB and RA is at least 0.5 below the maximum oxidation state which is stable under the reaction conditions. Also claimed is (i) a similar process in which the NB is deoxygenated by passing over a redox catalyst as above in the absence of any free gaseous RA and in amounts such that the catalyst is not completely spent; and (ii) redox catalysts as above.

公开(公告)号：DE4440055A1

公开(公告)日：1996-05-15

申请号：DE4440055

申请日：1994-11-10

Applicant: BASF AG

Inventor： HOLDERBAUM MARTIN DR ,  AUMUELLER ALEXANDER DR ,  TRAUTH HUBERT ,  VOIT GUIDO DR

IPC: C07B63/04 ,  C07C255/19 ,  C07C255/30 ,  C07C255/41 ,  C07C255/42 ,  C07D211/46 ,  C08K5/315 ,  C08K5/3435 ,  C09D7/12 ,  C07C255/08 ,  C09K15/20

Abstract: 2-Cyanoacrylic acid esters of formula (I) are new: R , R = H or a gp. of formula (i): R = H or 1-10 C alkyl; R -R = H, 1-4 C alkyl, Cl, Br, CN, OH, acetyl, 1-18 C alkoxy, 1-12 C alkoxy carbonyl or 3-8 C cycloalkoxy carbonyl; X = 3-20 C n-valent polyol gp. of formula X(OH)n contg. 0-8 non-adjacent O atoms in its C chain; m = 0-1; and n = 3-10, with the proviso that only one of R or R is H and that R is only H if m = 1. Also claimed are (i) the prepn. of (I) by reacting cyanoacetic acid esters of formula (II) with either the opt. corresponding substd. benzophenone imines (m = 0), or with the opt. corresponding substd. aromatic amines in the presence of trialkyl orthoformates (m = 1), and (ii) organic materials, plastics or lacquers stabilised against the effects of light, oxygen and heat by 0.01-5 wt. % (I).

公开(公告)号：MY120584A

公开(公告)日：2005-11-30

申请号：MYPI9903707

申请日：1999-08-27

Applicant: BASF AG

Inventor： LUYKEN HERMANN ,  ACHHAMMER G XDCNTHER DR ,  OHLBACH FRANK DR ,  ANSMANN ANDREAS DR ,  BASLER PETER DR ,  FISCHER ROLF DR ,  MELDER JOHANN-PETER DR ,  MERGER MARTIN DR ,  REHFINGER ALWIN DR ,  VOIT GUIDO DR

IPC: C07C209/48 ,  C07B61/00 ,  C07C209/84 ,  C07C211/12 ,  C07C253/30 ,  C07C253/34 ,  C07C255/24

Abstract: A PROCESS FOR THE COPRODUCTION OF 6-AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE STARTING FROM ADIPONITRILE BY A) HYDROGENATING ADIPONITRILE IN THE PRESENCE OF A CATALYST COMPRISING AN ELEMENT OF THE EIGHTH TRANSITION GROUP AS CATALYTICALLY ACTIVE COMPONENT, TO OBTAIN A MIXTURE COMPRISING 6-AMINOCAPRONITRILE, HEXAMETHLENEDIAMINE, ADIPONITRILE AND HIGH BOILERS, B) DISTILLATIVELY REMOVING HEXAMETHYLENEDIAMINE FROM THE MIXTURE COMPRISING 6-AMINOCAPRONITRILE, HEXAMETHYLENEDIAMINE, ADIPONITRILE AND HIGH BOILERS, AND EITHER C1) DISTILLATIVELY REMOVING 6-AMINOCAPRONITRILE, AND THEN D1) DISTILLATIVELY REMOVING ADIPONITRILE, OR C2) SIMULTANEOUSLY DISTILLATIVELY REMOVING 6-AMINOCAPRONITRILE AND ADIPONITRILE INTO SEPARATE FRACTIONS IS CHARACTERIZED BY BASE OF COLUMN TEMPERATURES BELOW 185°C IN STEPS D1) OR C2).

公开(公告)号：ES2178802T3

公开(公告)日：2003-01-01

申请号：ES98120710

申请日：1998-10-31

Applicant: BASF AG

Inventor： VOIT GUIDO DR ,  WITZEL TOM DR ,  BREITSCHEIDEL BORIS DR ,  LUYKEN HERMANN ,  ROSS KARL-HEINZ DR ,  WAHL PETER DR

IPC: C07C209/26 ,  C07C209/48 ,  C07C209/52 ,  C07C211/36

Abstract: 3-Aminomethyl-3,5,5-trimethyl-cyclohexylamine (IPDA) with a cis:trans isomer ratio of at least 70/30 is obtained by catalytic imination of 3-cyano-3,5,5-trimethyl-cyclohexanone (IPN) followed by catalytic hydrogenation of the resulting imine in presence of an acid. A process for the production of IPDA with a cis:trans isomer ratio of at least 70/30 comprises: (a) imination of IPN with ammonia in presence of an imination catalyst at 20-150 degrees C and 1.5-30 Mpa, and (b) hydrogenation of the resulting imine at 80-160 degrees C and 5-30 Mpa in presence of ammonia on catalysts containing copper and/or a Group VIII metal and also in presence of an acid in amounts corresponding to an acid number of 0.1-2 based on the IPN used.

公开(公告)号：DE59804409D1

公开(公告)日：2002-07-18

申请号：DE59804409

申请日：1998-10-31

Applicant: BASF AG

Inventor： VOIT GUIDO DR ,  WITZEL TOM DR ,  BREITSCHEIDEL BORIS DR ,  LUYKEN HERMANN ,  ROSS KARL-HEINZ DR ,  WAHL PETER DR

IPC: C07C209/26 ,  C07C209/48 ,  C07C209/52 ,  C07C211/36

Abstract: 3-Aminomethyl-3,5,5-trimethyl-cyclohexylamine (IPDA) with a cis:trans isomer ratio of at least 70/30 is obtained by catalytic imination of 3-cyano-3,5,5-trimethyl-cyclohexanone (IPN) followed by catalytic hydrogenation of the resulting imine in presence of an acid. A process for the production of IPDA with a cis:trans isomer ratio of at least 70/30 comprises: (a) imination of IPN with ammonia in presence of an imination catalyst at 20-150 degrees C and 1.5-30 Mpa, and (b) hydrogenation of the resulting imine at 80-160 degrees C and 5-30 Mpa in presence of ammonia on catalysts containing copper and/or a Group VIII metal and also in presence of an acid in amounts corresponding to an acid number of 0.1-2 based on the IPN used.

公开(公告)号：ES2169169T3

公开(公告)日：2002-07-01

申请号：ES96106610

申请日：1996-04-26

Applicant: BASF AG

Inventor： BREITSCHEIDEL BORIS DR ,  POLANEK PETER DR ,  VOIT GUIDO DR ,  WITZEL TOM DR ,  LINDEN GERD DR ,  HESSE MICHAEL DR

IPC: B01J23/78 ,  B01J23/889 ,  B01J27/185 ,  B01J27/187 ,  C07B61/00 ,  C07C209/48 ,  C07C209/52 ,  C07C211/03

Abstract: Cobalt catalysts (I) are claimed, in which the active material contains 55-98 wt% Co, 0.2-15 wt% P, 0.2-15 wt% Mn and 0.05-5 wt% alkali metal, calcd. as oxide. The calcined catalyst is reduced in a stream of hydrogen at final temps. of 200-400 degrees C and then surface-oxidised in a stream of air at final temps. of 20-60 degrees C. Also claimed is a process for the hydrogenation of organic nitriles and/or imines at 60-150 degrees C and 50-300 bar using (I) as catalyst.

公开(公告)号：ES2131356T3

公开(公告)日：1999-07-16

申请号：ES96102839

申请日：1996-02-26

Applicant: BASF AG

Inventor： VOIT GUIDO DR ,  WITZEL TOM DR ,  BREITSCHEIDEL BORIS DR ,  HARDER WOLFGANG DR ,  LUYKEN HERMANN ,  PAUL AXEL DR

IPC: B01J23/46 ,  B01J23/75 ,  B01J23/755 ,  C07B61/00 ,  C07C209/48 ,  C07C211/36

Abstract: Prepn. of 3-aminomethyl-3,5,5-trimethylcyclohexylamine (isophorone diamine; IPDA) from 3-cyano-3,5,5-trimethyl-cyclohexanone (isophorone nitrile; IPN) is carried out in three separate reaction zones by: (a) reacting IPN with excess liquid NH3 at 20-150 deg.C and 50-300 bar; (b) hydrogenating the reaction prod. with H2 in the presence of excess NH3 at 50-100 deg.C and 50-300 bar; and (c) hydrogenating the reaction prod. with N2 at 110-160 deg.C and 150-300 bar. Acidic metal oxide catalyst is used in stage (a); and hydrogenation catalyst, opt. with basic components or on neutral or basic supports, in stages (b) and (c).