公开(公告)号：DE4417696A1

公开(公告)日：1995-11-23

申请号：DE4417696

申请日：1994-05-20

Applicant: BASF AG

Inventor： SCHNURR WERNER DR ,  FISCHER ROLF DR

IPC: C07D309/12 ,  C07D309/30 ,  C07D309/38 ,  C07D315/00 ,  B01J23/80 ,  B01J23/72 ,  B01J23/34 ,  C07B41/06

Abstract: The prodn. of cyclic ether-ketones of formula (I) comprises reacting cyclic ether-aldehydes (II) with O2-contg. gas at 50-300 degrees C and 0.01-10 bar in the presence of a solid or supported catalyst contg. Cu and/or Mn (III): R , R = H or 1-4 C alkyl; m, n = 1-5.

公开(公告)号：DE59203987D1

公开(公告)日：1995-11-16

申请号：DE59203987

申请日：1992-11-27

Applicant: BASF AG

Inventor： FISCHER ROLF DR ,  GOETZ NORBERT DR ,  KUEKENHOEHNER THOMAS DR ,  RUST HARALD ,  SCHNURR WERNER DR

IPC: C07B61/00 ,  C07D309/08

公开(公告)号：DE19505183A1

公开(公告)日：1995-08-31

申请号：DE19505183

申请日：1995-02-16

Applicant: BASF AG

Inventor： WEYER HANS-JUERGEN DR ,  BECKER RAINER DR ,  SCHNURR WERNER DR

IPC: C07C43/13 ,  C07D307/12 ,  C08G18/32 ,  C08G18/48 ,  C08G63/672 ,  C08G65/20 ,  C07C41/18

Abstract: New derivs. of butane-1,4-diol or tetrahydrofuran of formula (Ia) or (Ib), where R = 1-12C opt. hydroxy-substd. alkyl opt. contg. O atoms in the C chain, cyclopentyl or cyclohexyl opt. substd. with 1-4C alkyl, 1-4C alkoxy and/or hydroxyl, phenyl opt. substd. with 1-4C alkyl, 1-4C alkoxy, hydroxyl and/or Cl gps. or phenyl 2-6C alkyl. Also claimed are (i) polyethers, polyesters or polyurethanes contg. (Ia) or (b) as repeat units, and (ii) the prepn. of (Ia) or (Ib) by the catalyst hydrogenation of a butyric acid of formula (IIa, (IIb) or (IIc), where R , R = organic carbon gp..

公开(公告)号：DE4228669A1

公开(公告)日：1994-03-03

申请号：DE4228669

申请日：1992-08-28

Applicant: BASF AG

Inventor： BORCHERS DIRK DR ,  FISCHER ROLF DR ,  GOETZ NORBERT DR ,  KUEKENHOEHNER THOMAS DR ,  SCHNURR WERNER DR

IPC: B01J21/04 ,  C07B61/00 ,  C07D309/08 ,  C07D307/32

Abstract: Tetrahydropyran-4-carboxylic acid and its esters of the general formula I in which R denotes hydrogen, C1- to C6-alkyl, C5- to C8-cycloalkyl or aryl, are prepared by reacting dihydro-2(3H)furanones of the general formula II in which R denotes hydrogen, C1- to C6-alkyl or -CO-R and R denotes hydrogen or C1- to C6-alkyl with water or alcohols of the general formula III R -OH (III> in which R has the abovementioned meaning, at temperatures from 200 to 350 DEG C in the presence of acidic heterogeneous catalysts, by employing fixed-bed acidic heterogeneous catalysts.

公开(公告)号：CZ290780B6

公开(公告)日：2002-10-16

申请号：CZ357797

申请日：1996-05-07

Applicant: BASF AG

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

IPC: C07D201/08 ,  C07D223/12

Abstract: In the present invention there is disclosed a process for preparing caprolactam by reacting 6-aminocaprolactam with water in the presence of catalyst, wherein there is used a starting mixture consisting of 6-aminocaprolactam and a tetrahydroazepine derivative of the general formula I, whereby the amount of the tetrahydroazepine derivative of the general formula I related to the amount of the 6-aminocaprolactam in the starting mixture ranges within 0.01 to 95 percent by weight and the change is carried out in a liquid phase at temperatures ranging from 140 to 320 degC in the presence of heterogeneous catalysts being selected from the group comprising acid, basic or amphoteric oxides of element of the first, second, third or fourth main groups of the Periodic System of Elements, metal oxides of the second through the sixth minor groups of the Periodic System of Elements, lanthanide and actinide oxides and phosphates.

公开(公告)号：CZ288943B6

公开(公告)日：2001-10-17

申请号：CZ197697

申请日：1995-12-16

Applicant: BASF AG

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

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

Abstract: In the present invention there is disclosed a process for the preparation of aliphatic alpha, omega-aminonitriles of the general formula II NC-(CHi)in-CHi2-Nhi2, wherein n is an integer from 1 to 10, by partial hydrogenation of aliphatic alpha-omega-dinitriles of the general formula NC-(CHi2)in-CN, in which n is as specified above at a temperature ranging from 30 to 160 degC and super-atmospheric pressure ranging from 2 to 40 MPa in the presence of a solvent and of a catalyst, which comprises contains (a) at least one metal-based compound being selected from a group comprising nickel, cobalt, iron, ruthenium and rhodium and from 0.01 to 25 percent by weight, based on (a), of at least one 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, silicon, titanium, zirconium and rare earth metal

公开(公告)号：CZ288850B6

公开(公告)日：2001-09-12

申请号：CZ197797

申请日：1995-12-16

Applicant: BASF AG

Inventor： SCHNURR WERNER DR ,  FISCHER ROLF DR ,  BASSLER PETER DR ,  HARDER WOLFGANG DR

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

Abstract: The present invention relates to a process for preparing aliphatic alpha, omega-aminonitriles of the general formula NC-(CHi2)in-CHi2-NHi2, wherein n represents an integer ranging from 1 to 10, by using partial hydrogenation of aliphatic alpha, omega-dinitriles of the general formula NC-(CHi2)in-CN, in which n is as specified above, at a temperature ranging from 40 to 120 degC and at pressure in the range of 2 to 12 MPa in the presence of a base and a hydrogenation catalyst, whereby hydrogenation is carried out in the presence of ammonia and lithium hydroxide or a compound providing lithium hydroxide during hydrogenation.

公开(公告)号：DE59505505D1

公开(公告)日：1999-05-06

申请号：DE59505505

申请日：1995-12-07

Applicant: BASF AG

Inventor： IRGANG MATTHIAS DR ,  HESSE MICHAEL DR ,  SCHNURR WERNER DR ,  DR JOACHIM WULFF-DOERING FRANK

IPC: B01J21/06 ,  C01G25/02

公开(公告)号：DE59209536D1

公开(公告)日：1998-11-26

申请号：DE59209536

申请日：1992-11-30

Applicant: BASF AG

Inventor： KUEKENHOEHNER THOMAS DR ,  GOETZ NORBERT DR ,  FISCHER ROLF DR ,  SCHNURR WERNER DR

IPC: C07D309/08

公开(公告)号：ES2117073T3

公开(公告)日：1998-08-01

申请号：ES93112912

申请日：1993-08-12

Applicant: BASF AG

Inventor： WEYER HANS-JUERGEN DR ,  FISCHER ROLF DR ,  SCHNURR WERNER DR ,  GOETZ NORBERT DR ,  KUEKENHOEHNER THOMAS DR

IPC: C07C29/151 ,  C07C31/20 ,  C07C31/27 ,  C07D307/06 ,  C07D307/94 ,  C08G63/08 ,  C08G65/02

Abstract: Preparation of reduction products of 4-hydroxybutyric acid derivatives of the general formula IIa in which one of the radicals A and B denotes a methylene group and the other a cyclopropylidene group, or of C1-C4-alkyl esters (IIb) or of lactones (IIc) of these acids IIa, by catalytically hydrogenating the compounds IIa or IIb or IIc with hydrogen in the presence of a heterogeneous hydrogenation catalyst, novel compounds prepared by this process and polymers prepared therefrom.