公开(公告)号：DE59709132D1

公开(公告)日：2003-02-20

申请号：DE59709132

申请日：1997-09-04

Applicant: BASF AG

Inventor： MERCKER DR ,  PAPE DR ,  SIMON DR ,  HENNE DR ,  HESSE DR ,  KOEHLER DR ,  DOSTALEK DR ,  FREIRE ERDBRUEGGER DR ,  KRATZ DR

IPC: C07D307/33 ,  B01J23/72 ,  B01J23/78 ,  C07B61/00 ,  C07D307/32 ,  C07D315/00

Abstract: Gas phase dehydration of butan-1,4-diol (I) to gamma -butyrolactone (II) is carried out in the presence of a catalyst (III) containing copper (Cu), which contains 4-40 wt.% Cu and 0-5 wt.% sodium oxide (Na2O) on a support of 80-100 wt.% silica (SiO2) and 0-20 wt.% calcium oxide (CaO). Also claimed is catalyst (III) per se.

公开(公告)号：DE59806783D1

公开(公告)日：2003-02-06

申请号：DE59806783

申请日：1998-04-20

Applicant: BASF AG

Inventor： SIMON DR ,  SCHLEGEL REINHOLD ,  LEUTNER DR

IPC: B22F9/16 ,  B22F9/12 ,  B22F9/30 ,  C22B5/20 ,  H01F1/20 ,  H01F1/24

Abstract: Production of Si-containing Fe powder comprises thermally decomposing a gas mixture containing Fe-pentacarbonyl and a volatile Si-compound. The volatile Si-compound is a silane or organosilane, except triethylsilane and tetraethoxysilane. Also claimed is an apparatus for carrying out the process comprising: (a) a heated decomposition pipe; (b) a device for adjusting two different temperature zones; (c) a device for vaporising liquid Fe-pentacarbonyl; (d) a device for dosing and mixing gases; and (e) a separator for Si-containing Fe powder.

公开(公告)号：DE50000116D1

公开(公告)日：2002-04-04

申请号：DE50000116

申请日：2000-07-06

Applicant: BASF AG

Inventor： RIECHERS DR ,  HOEHN DR ,  SIMON DR ,  LANG ORTMUND ,  SCHOENMAKERS DR ,  RAULS DR ,  CLAERBOUT KOEN

IPC: C07D471/08 ,  C07D487/08

Abstract: Preparation of a solution of pure triethylenediamine (TEDA) comprises vaporizing TEDA and passing the TEDA vapor into a liquid solvent. An Independent claim is also included for the preparation of pure TEDA by preparing the solution as above and crystallizing TEDA from this solution.

公开(公告)号：DE59705243D1

公开(公告)日：2001-12-13

申请号：DE59705243

申请日：1997-06-17

Applicant: BASF AG

Inventor： SIMON DR ,  DOSTALEK DR ,  LINGK HEINZ ,  BECKER DR ,  HENNE DR ,  LEBKUECHER DR ,  FREIRE ERDBRUEGGER DR ,  HESSE DR ,  KRATZ DR

IPC: C07D295/02 ,  B01J23/72 ,  B01J37/02 ,  C07B61/00 ,  C07D295/03

Abstract: Preparation of N-substituted cyclic amines of formula (I) comprises reacting primary amines of formula R NH2 (II) with diols of formula HO-A-OH (III) in the presence of hydrogen and a catalyst containing copper obtained by impregnating an inert support with an aqueous solution of an ammine complex of a Cu compound (IV) that readily undergoes thermal decomposition, then drying and calcining to give a catalyst containing 5-50 wt.% Cu, calculated as oxide. A = alkylene or (CH2)n-ÄO-CH2)mÜr (optionally substituted by one or more R ); R , R = alkyl, alkoxyalkyl, optionally alkyl- or alkoxy-substituted cycloalkyl, cycloalkylalkyl, aryl or arylalkyl; n, m = 2-8; r = 1-3.

公开(公告)号：DE59711908D1

公开(公告)日：2004-10-21

申请号：DE59711908

申请日：1997-06-11

Applicant: BASF AG

Inventor： BREITENBACH DR ,  ROSENBERG DR ,  NEUMANN DR ,  ZEIDLER DR ,  SIMON DR ,  DIENER DR

IPC: A61K31/19 ,  A61K9/16 ,  A61K31/00 ,  B01J19/00 ,  C07C51/41 ,  C07C57/30 ,  C07C229/26

Abstract: Preparation of a salt of a pharmaceutically active carboxylic acid compound comprises reacting the acid in an extruder with ≥ 1 stoichiometric equivalent of a base in melt form.

公开(公告)号：DE59811485D1

公开(公告)日：2004-07-08

申请号：DE59811485

申请日：1998-03-04

Applicant: BASF AG

Inventor： SIMON DR ,  BECKER DR ,  LEBKUECHER DR ,  NEUHAUSER DR

IPC: C07D295/02 ,  B01J23/72 ,  B01J23/78 ,  B01J23/86 ,  C07B61/00 ,  C07C209/16 ,  C07C211/03 ,  C07D295/023

Abstract: A method for the N-alkylation of amines by reacting alcohol with (di)alkylamine in the presence of hydrogen is carried out in the presence of a catalyst based on copper and magnesium silicate, which contains 0-2 wt.% each of barium oxide, chromium (III) oxide (Cr2O3) and/or zinc oxide. Also claimed is the use of this catalyst for N-alkylation of amines.

公开(公告)号：DE59904437D1

公开(公告)日：2003-04-10

申请号：DE59904437

申请日：1999-12-16

Applicant: BASF AG

Inventor： RIECHERS DR ,  SIMON DR ,  HENNE DR ,  HOEHN DR

IPC: C07D295/08 ,  B01J23/72 ,  C07D295/088

Abstract: 2,2'-Dimorpholinodiethyl ether is produced by reacting diethylene glycol with ammonia under pressure at elevated temperature in the presence of hydrogen. The active hydrogenation catalyst, before reduction with hydrogen, contains 20-85 wt.% alumina, zirconium dioxide, titanium dioxide and/or silica, 1-70 wt.% copper oxide (CuO), less than 20 wt.% nickel oxide with respect to CuO and 0-50 wt.% other metal oxide(s). In the production of 2,2'-dimorpholinodiethyl ether (DMDEE) by reacting diethylene glycol with ammonia under pressure at elevated temperature in the presence of hydrogen and a hydrogenation catalyst, the active catalyst, before reduction with hydrogen, contains 20-85 wt.% aluminum oxide (Al2O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silica (SiO2), 1-70 wt.% copper oxide (expressed as CuO), 0-50 wt.% magnesium, chromium, zinc, barium and/or calcium oxide (expressed as MgO, Cr2O3, ZnO, BaO and CaO) and less than 20 wt.% nickel oxide (expressed as NiO) with respect to CuO.

公开(公告)号：DE50000896D1

公开(公告)日：2003-01-23

申请号：DE50000896

申请日：2000-04-07

Applicant: BASF AG

Inventor： WULFF-DOERING DR ,  SIMON DR ,  HESSE DR ,  WAHL DR

IPC: B01J23/42 ,  B01J23/44 ,  B01J23/63 ,  C07B61/00 ,  C07D207/32 ,  C07D207/323

Abstract: The preparation of pyrrole derivatives (I) comprises catalytic dehydrogenation of pyrrolidines (II) at 150-300 degrees C and 0.01-50 bar on a catalyst comprising: (1) a composite (30-100 wt.%) comprising either (i) palladium on a rare earth or Group IVB metal oxide or (ii) platinum and palladium on alumina or a rare earth or Group IVB metal oxide; and (2) alkali(ne earth) metal oxide (0-70 wt.%). The preparation of pyrrole derivatives of formula (I) comprises catalytic dehydrogenation of pyrrolidines of formula (II) a 150-300 degrees C and 0.01-50 bar on a catalyst comprising: (1) a composite (30-100 wt.%) comprising either (i) palladium on a rare earth or Group IVB metal oxide or (ii) platinum and palladium on alumina or a rare earth or Group IVB metal oxide; and (2) alkali(ne earth) metal oxide (0-70 wt.%). R -R = H, 1-12C alkyl or 3-12C cycloalkyl.