公开(公告)号：NO990432D0

公开(公告)日：1999-01-29

申请号：NO990432

申请日：1999-01-29

Applicant: BASF AG

Inventor： SCHNURR WERNER ,  VOIT GUIDO ,  FLICK KLEMENS ,  FISCHER ROLF

IPC: B01J23/78 ,  B01J23/94 ,  B01J27/187 ,  B01J27/28 ,  B01J38/10 ,  C07B43/04 ,  C07B61/00 ,  C07C20060101 ,  C07C209/48 ,  C07C209/52 ,  C07C211/12 ,  C07C211/35 ,  C07C253/30 ,  C07C255/24 ,  C07C

Abstract: A process for preparing an NH2-containing compound by hydrogenating a compound containing at least one unsaturated carbon-nitrogen bond with hydrogen in the presence of a catalyst at temperatures not below room temperature and elevated hydrogen partial pressure in the presence or absence of a solvent which process includes the following steps: a) using a catalyst comprising a cobalt- and/or iron-containing catalyst, and b) after the conversion based on the compound to be hydrogenated and/or the selectivity based on the desired product has or have dropped below a defined value or the amount of an unwanted by-product has risen beyond a defined value, interrupting the hydrogenation by stopping the feed of the compound to be hydrogenated and of the solvent, if used, c) 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 d) subsequently continuing the hydrogenation of the compound containing at least one unsaturated carbon-nitrogen bond.

公开(公告)号：ES2121477T3

公开(公告)日：1998-11-16

申请号：ES96904060

申请日：1996-02-10

Applicant: BASF AG

Inventor： TELES JOAQUIM HENRIQUE ,  SCHNURR WERNER ,  FISCHER ROLF ,  RIEBER NORBERT ,  SCHULZ MICHAEL

IPC: C07C45/41 ,  C07D301/14 ,  C07D303/04

Abstract: PCT No. PCT/EP96/00578 Sec. 371 Date Aug. 5, 1997 Sec. 102(e) Date Aug. 5, 1997 PCT Filed Feb. 10, 1996 PCT Pub. No. WO96/26198 PCT Pub. Date Aug. 29, 1996Preparation of epoxides from olefins by means of aromatic peroxycarboxylic acids comprises a step A of epoxidizing the olefin and removing the resulting aromatic carboxylic acid from the epoxide, a step B of catalytically hydrogenating the removed aromatic carboxylic acid to the corresponding aromatic aldehyde, and a step C of oxidizing this aldehyde with oxygen or an oxygen-containing gas mixture back to the aromatic peroxycarboxylic acid for re-use for epoxidizing an olefin.

公开(公告)号：AT172728T

公开(公告)日：1998-11-15

申请号：AT95924255

申请日：1995-06-16

Applicant: BASF AG

Inventor： LINGELBACH PETER ,  ROSER JOACHIM ,  SIGWART CHRISTOPH ,  SCHNURR WERNER ,  WEYER HANS-JUERGEN

IPC: B01J23/44 ,  B01J23/656 ,  B01J27/053 ,  C07D301/00 ,  C07D303/04

Abstract: PCT No. PCT/EP95/02337 Sec. 371 Date Dec. 27, 1996 Sec. 102(e) Date Dec. 27, 1996 PCT Filed Jun. 16, 1995 PCT Pub. No. WO96/00222 PCT Pub. Date Jan. 4, 1996A process for the preparation of 1,2-butylene oxide by the catalytic hydrogenation of vinyl oxirane, in which use is made of a palladium catalyst on a support of barium sulfate, zirconium oxide or titanium dioxide or a rhenium-containing supported palladium catalyst.

公开(公告)号：CZ184598A3

公开(公告)日：1998-09-16

申请号：CZ184598

申请日：1997-04-04

Applicant: BASF AG

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

IPC: B01J25/02 ,  C07B61/00 ,  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).

公开(公告)号：SK154797A3

公开(公告)日：1998-06-03

申请号：SK154797

申请日：1996-05-07

Applicant: BASF AG

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

IPC: C07D201/08 ,  C07D223/12

Abstract: A process for preparing caprolactam by reacting 6-aminocapronitrile with water in the presence of catalysts comprises using a starting mixture of 6-aminocapronitrile and the tetrahydroazepine derivative of the formulaand conducting the reaction in liquid phase in the presence of a heterogeneous catalyst. Also describes a process for preparing said tetrahydroazepine derivative I and its use for preparing caprolactam and polycaprolactam.

公开(公告)号：SK84097A3

公开(公告)日：1998-05-06

申请号：SK84097

申请日：1995-12-22

Applicant: BASF AG

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

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

Abstract: Crude capronitrile is purified by hydrogenation, subsequent treatment in an acidic medium and subsequent distillation in an alkaline medium, by a process in which (a) 6-aminocapronitrile is converted into crude caprolactam by reaction with water, (b) high boilers and low boilers are separated off from the crude caprolactam from step (a), (c) the crude caprolactam from step (b) is treated with hydrogen at from 50 DEG to 150 DEG C. and from 1.5 to 250 bar in the presence of a hydrogenation catalyst and, if desired, of a solvent to give a mixture A, (d1) mixture A in a solvent is passed, at from 30 DEG to 80 DEG C. and from 1 to 5 bar, over an ion exchanger containing terminal acid groups to give a mixture B1, or (d2) mixture A is distilled in the presence of sulfuric acid, any solvent present being removed before the addition of the sulfuric acid, to give a mixture B2, and (e) mixture B1 or mixture B2 is distilled in the presence of a base to give pure caprolactam.

公开(公告)号：PL323390A1

公开(公告)日：1998-03-30

申请号：PL32339096

申请日：1996-05-07

Applicant: BASF AG

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

IPC: C07D201/08 ,  C07D223/12

Abstract: A process for preparing caprolactam by reacting 6-aminocapronitrile with water in the presence of catalysts comprises using a starting mixture of 6-aminocapronitrile and the tetrahydroazepine derivative of the formulaand conducting the reaction in liquid phase in the presence of a heterogeneous catalyst. Also describes a process for preparing said tetrahydroazepine derivative I and its use for preparing caprolactam and polycaprolactam.

公开(公告)号：MX9708677A

公开(公告)日：1998-02-28

申请号：MX9708677

申请日：1996-05-07

Applicant: BASF AG

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

IPC: C07D201/08 ,  C07D223/12 ,  C07D201/18

Abstract: Un proceso para preparar caprolactama haciendo reaccionar 6-aminocapronitrilo con agua en presencia de catalizadores, que comprende usar una mezcla de partida de 6-aminocapronitrilo y el derivado de tetrahidroazepina de la formula (I) N(H)-(CH2)5CN llevando a cabo la reaccion en la fase líquida en presencia de un catalizador heterogéneo . Se describe también un proceso para preparar el derivado I de tetrahidroazepina y se uso para preparar caprolactama y policaprolactama.

公开(公告)号：BG101672A

公开(公告)日：1998-02-27

申请号：BG10167297

申请日：1997-06-25

Applicant: BASF AG

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

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

Abstract: The invention relates to a method where the raw caprolactamis purified by hydrogenation after which it is treated in acidicmedium and is distilled in alkaline medium, when: (a)6-aminiocapronitrile is converted in raw caprolactam by reactionwith water, (b) the high-boiling and low-boiling components areseparated from the raw caprolactam from stage (a), (c) the rawcaprilactam of stage (b) is treated with hydrogen at temperaturesranging from 50 to 150°C and from 1.5 to 250 bar in the presenceof hydrogenation catalyst and optionally of solvent, thusproducing mixtire A, (d1) mixture A in a solvent is passed at 30to 80°C and from 1 to 5 bar through ion-exchange resin having andacidic groups, thus producing mixture B1, or (d2) mixture A isdistilled in the presence of sulphuric acid and any amount ofsolvent is eliminated before the addition of the sulphuric acid,thus producing mixture B2, and mixture B1 or B2 is distilled inthe presence of a base, thus producing pure caprolactam.

公开(公告)号：ID17978A

公开(公告)日：1998-02-12

申请号：ID972699

申请日：1997-08-04

Applicant: BASF AG

Inventor： FISCHER ROLF ,  PACIELLO ROCCO ,  ROPER MICHAEL ,  SCHNURR WERNER

IPC: B01J31/18 ,  B01J31/24 ,  C07C209/26 ,  C07C253/30 ,  C07C255/24 ,  C07F9/6574

Abstract: PCT No. PCT/EP97/03988 Sec. 371 Date Feb. 1, 1999 Sec. 102(e) Date Feb. 1, 1999 PCT Filed Jul. 23, 1997 PCT Pub. No. WO98/05632 PCT Pub. Date Feb. 12, 1998Manufacture of 6-aminocapronitrile or 6-aminocapronitrile/hexamethylene diamine mixtures, involving a) the reaction of at least one pentennitrile, selected from the group consisting of 2,3 and 4-pentennitrile with carbon monoxide and hydrogen in the presence of catalysts, which contain at least one element of the eighth subgroup as active components, obtaining a hydrogenation formylating discharge (I), b) the optional separation of carbon monoxide, hydrogen and the catalyst from the hydrogenation formylating discharge (I), obtaining a hydrogenation formylating discharge (II), c) the separation of 5-formyl valeronitrile from the hydrogenation formylating discharge (I) or (II), d) the reaction of separated 5-formyl valeronitrile with ammonia and hydrogen in the presence of hydrogenating catalysts, selected from the group consisting of rhenium, copper and its compounds as well as metals and metallic compounds of the eighth group, obtaining a hydrogenation discharge, and e) obtaining 6-aminocapronitrile and if necessary hexamethylene diamine.