公开(公告)号：JPH10338664A

公开(公告)日：1998-12-22

申请号：JP8866898

申请日：1998-04-01

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR ,  BECKER RAINER ,  BREITSCHEIDEL BORIS DR ,  NEUHAUSER HORST DR

IPC: B01J23/44 ,  C07B61/00 ,  C07C209/48 ,  C07C211/09 ,  C07C211/12 ,  C07C213/02 ,  C07C215/08

Abstract: PROBLEM TO BE SOLVED: To obtain a tertiary amine by allowing nitrile to react with a secondary amine in the presence of a specific palladium catalyst that is improved in its long-term stability and its operation hours. SOLUTION: A nitrile represented by formula I (R and R are each an alkyl, a cycloalkyl, an aryl, an aralkyl; X is an alkyl, a cycloalkyl, amino, hydroxyl; (n) is 1-4; (m) is 1-2), a secondary amine of formula II and hydrogen are allowed to react to one another at 50-250 deg.C under a pressure of 5-350 bar, thus giving the objective amine of formula III. At this time, it is preferable to use a supported palladium catalyst that has 0.1-10 wt.% of Pd, 0.01-10 wt.% of at least one of other metals selected from the group consisting of metals of the group IB, group VIII of the periodic table, cerium, and lanthanum on the support on the basis of the whole catalyst weight.

公开(公告)号：CZ289886B6

公开(公告)日：2002-04-17

申请号：CZ202797

申请日：1995-12-22

Applicant: BASF AG

Inventor： ACHHAMMER GUNTHER DR ,  BASSLER PETER DR ,  FISCHER ROLF DR ,  FUCHS EBERHARD DR ,  LUYKEN HERMANN ,  SCHNURR WERNER DR ,  WITZEL TOM DR

IPC: C07D201/02 ,  C07C209/48 ,  C07C211/12 ,  C07D201/08 ,  C07D223/10

Abstract: Disclosed is a process for simultaneously preparing caprolactam and hexamethylenediamine from adiponitrile. The invented preparation process is characterized by (a) partial hydrogenation of adiponitrile, (b) subjecting the obtained mixture to distillation to obtain a portion of ammonia as a top product and a heavy fraction I, whereby distillation is carried out in the presence of an inert compound A, (c) subjecting the heavy fraction I to a second distillation to obtain a mixture of the inert compound A and ammonia as a top product and a heavy fraction II, (d) subjecting the heavy fraction II to another distillation to obtain the inert compound A as a top product and a heavy fraction III, whereby the distillation is optionally carried out in the presence of a compound B, (e) subjecting the heavy fraction to distillation to obtain a top product KP1 and a heavy fraction IV, (f) subjecting the KP1 top to distillation to obtain a top product KP2 and a heavy fraction V, whereby the se KP2 top product is supplied at least partially to a third column and the residue is discharged, and (g) subjecting the heavy fraction IV to distillation in order to obtain 6-aminocapronitrile as a top product with adiponitrile at the column bottom, and so obtained 6-aminocapronitrile is then recycled to caprolactam.

公开(公告)号：CZ289460B6

公开(公告)日：2002-01-16

申请号：CZ357897

申请日：1996-05-07

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR ,  WITZEL TOM DR ,  FLICK KLEMENS DR

IPC: C07D201/08

Abstract: In the present invention there is disclosed a process for preparing cyclic lactams by reacting amino carboxylic acid nitriles with water, performed in the liquid phase at a temperature ranging from 140 to 320 degC, in the presence of heterogeneous catalysts based on titanium dioxide with a rutile content in the range from 0.1 to 95 percent by weight and an anatase content in the range from 99.9 to 5 percent by weight, based in both cases on the total titanium dioxide weight.

公开(公告)号：CZ288217B6

公开(公告)日：2001-05-16

申请号：CZ197297

申请日：1995-12-22

Applicant: BASF AG

Inventor： RITZ JOSEF DR ,  FISCHER ROLF DR ,  SCHNURR WERNER DR ,  ACHHAMMER GUENTER DR ,  LUYKEN HERMANN DR ,  FUCHS EBERHARD DR

IPC: C07D201/08 ,  C07B63/02 ,  C07D201/16

Abstract: The invented continuous purification process of raw caprolactam by hydrogenation followed by subsequent treatment in acid environment and then by distillation in alkaline medium is characterized by (a) converting 6-aminocapronitrile by reaction thereof with water to raw caprolactam, (b) separating high- and low-boiling components from the raw caprolactam of the stage (a), (c) treating the raw caprolactam obtained in the stage (b) with hydrogen at a temperature ranging from 50 to 150 degC and pressure in the range of 0.15 to 2.5 MPa in the presence of a hydrogenation catalyst and a required solvent and so obtaining a mixture A, (d1) conducting the mixture A in the solvent and at a temperature ranging from 30 to 80 degC and pressure in the range of 0.1 to 0.5 MPa through an ion exchanger containing acid terminal groups and to thereby obtaining a mixture B1 or (d2) distilling the mixture A in the presence of sulfuric acid, whereby prior addition of sulfuric acid the solvent being present can be removed and to thereby obtaining a mixture B2 and (e) distilling the mixture B1 or the mixture B2 in the presence of a base to thereby obtaining raw caprolactam.

公开(公告)号：DE19738464A1

公开(公告)日：1999-03-04

申请号：DE19738464

申请日：1997-09-03

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR ,  FLICK KLEMENS DR

IPC: B01J21/06 ,  B01J37/06 ,  C07D201/08 ,  B01J35/02 ,  C07D223/10 ,  C07D227/087

Abstract: The invention relates to the use of essentially shaped bodies containing a catalytically active oxide as a catalyst comprising no soluble constituent, under the reaction conditions, for the production of cyclic lactams by reacting aminocarboxylic acid nitriles with water in aqueous phase, in a fixed bed reactor. This catalyst is composed of shaped bodies which can be obtained by shaping the oxide into shaped bodies and by treating the oxide with an acid which is hardly soluble, having 0.1 to 30 % by weight of the oxide, before or after the shaping process.

公开(公告)号：CZ357897A3

公开(公告)日：1998-04-15

申请号：CZ357897

申请日：1996-05-07

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR ,  WITZEL TOM DR ,  FLICK KLEMENS DR

IPC: C07D201/08

Abstract: Production of cyclic lactams by the reaction of amino carboxylic acid nitriles with water, performed in the liquid phase in the presence of heterogeneous catalysts based on titanium dioxide with a rutile content in the range from 0.1 to 95 wt.% and an anatase content in the range from 99.9 to 5 wt.% in relation to the total titanium dioxide content.

公开(公告)号：DE19623662A1

公开(公告)日：1997-12-18

申请号：DE19623662

申请日：1996-06-13

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR

IPC: C07D201/08 ,  C07D201/16 ,  C07D223/10

Abstract: The invention concerne a method of purifying epsilon -caprolactam by reacting raw caprolactam with a complex hydride of boron or aluminium.

公开(公告)号：DE19548289A1

公开(公告)日：1997-06-26

申请号：DE19548289

申请日：1995-12-22

Applicant: BASF AG

Inventor： ACHHAMMER GUENTHER DR ,  BASLER PETER DR ,  FISCHER ROLF DR ,  FUCHS EBERHARD DR ,  LUYKEN HERMANN ,  SCHNURR WERNER DR ,  VOIT GUIDO DR ,  HILPRECHT LUTZ DR

IPC: C07C209/48 ,  C07C209/86 ,  C07C211/12 ,  C07D201/08 ,  C07D223/10

Abstract: A process is disclosed for simultaneously preparing caprolactam and hexamethylene diamine starting from adipodinitrile.

公开(公告)号：DE59401758D1

公开(公告)日：1997-03-20

申请号：DE59401758

申请日：1994-09-10

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR ,  WITZEL TOM DR ,  STADLER KLAUS PETER DR

IPC: C07C209/84 ,  C07C211/12 ,  C07C211/35

公开(公告)号：DE19517823A1

公开(公告)日：1996-11-21

申请号：DE19517823

申请日：1995-05-18

Applicant: BASF AG

Inventor： FUCHS EBERHARD DR ,  MELDER JOHANN-PETER DR ,  SCHNURR WERNER DR ,  FISCHER ROLF DR

IPC: C07D201/08 ,  C07D223/12 ,  C07D223/10

Abstract: The production of caprolactam by reacting 6-amino capronitrile with water in the presence of catalysts, using an initial mixture of 6-amino capronitrile and the tetrahydroazepine derivative of formula (I), and reaction in the liquid phase in the presence of heterogeneous catalysts, and a process for producing tetrahydroazepine derivative (I) and its use for making caprolactam and polycaprolactam.