-
公开(公告)号:DE59703923D1
公开(公告)日:2001-08-02
申请号:DE59703923
申请日:1997-09-22
Applicant: BASF AG
Inventor: MASSONNE KLEMENS , BECKER RAINER , NEUHAUSER HORST , ZIMMERMANN HORST , REIF WOLFGANG , CRAMERS PETER , NARDIN DANIEL
IPC: C07D307/88
Abstract: PCT No. PCT/EP97/05186 Sec. 371 Date Apr. 1, 1999 Sec. 102(e) Date Apr. 1, 1999 PCT Filed Sep. 22, 1997 PCT Pub. No. WO98/14441 PCT Pub. Date Apr. 9, 1998A process for preparing phthalides of the general formula I, where R1, R2, R3 and R4 are independently hydrogen, C1-C4-alkyl or C1-C4-alkoxy, by hydrogenating phthalic anhydrides of the general formula II, where R1, R2, R3 and R4 are each as defined above, with hydrogen in the presence of suspended catalysts of the Raney type in a hydrogenation apparatus by using a mixing apparatus to mix a liquid phase, which includes the catalyst and the phthalic anhydride used and resulting phthalide, and a gas phase, which includes the hydrogenating hydrogen, comprises using the mixing apparatus to introduce a mixing intensity of at least 50 W/l into the liquid phase.
-
公开(公告)号:DE59506673D1
公开(公告)日:1999-09-30
申请号:DE59506673
申请日:1995-06-24
Applicant: BASF AG
Inventor: REIF WOLFGANG , HESSE MICHAEL , ZIMMERMANN HORST , LINGK HEINZ
IPC: B01J23/72 , B01J23/76 , C07C209/48 , C07C209/60 , C07C211/09
Abstract: A catalyst (C) consisting of 85-100 wt.% copper oxide and zirconium oxide and 15-0 wt.% metal oxides of groups Ib to VIIb and VIII of the Periodic Table is new. Also claimed is the prepn. of amines by reaction of nitrile with ammonia, or prim. or sec. amine at 80-250 degrees C and 1-400 bar with hydrogen and a catalyst (C). Pref. prepn. of NR1R2-CH2R3 (I) comprises reaction of R3CN with NHR1R2. R1, R2 = H, 1-20C alkyl, 3-12C cycloalkyl, aryl, 7-20C aralkyl, 7-20C alkylaryl; R3 = 1-200C alkyl, 3-12C cycloalkyl, 1-20C alkyl (substd. with NH2, NHMe, NMe2 and/or OH), 2-30C alkoxyalkyl, (CH2-CHR5-O)nR4, aryl, 7-20C aralkyl or 7-20C alkylaryl; n = 2-30; R4 = H, 1-4C alkyl; R5 = H or Me.
-
公开(公告)号:SK142797A3
公开(公告)日:1998-06-03
申请号:SK142797
申请日:1996-05-04
Applicant: BASF AG
Inventor: FUCHS EBERHARD , ZIMMERMANN HORST , WITZEL TOM , BREITSCHEIDEL BORIS , BECKER RAINER , HEUHAUSER HORST
IPC: B01J23/40 , C07C213/02 , C07C213/06
Abstract: A process for preparing N-methyl-2-(3,4-dimethoxyphenyl)-ethylamine comprises hydrogenating 3,4-dimethoxyphenylacetonitrile with a methylamine of the general formula I (I) where R1 is hydrogen, benzyl or tert-butyl, and hydrogen in the presence of a supported catalyst which comprises from 0.05 to 50 % by weight of copper chromite, copper, silver, gold, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum or mixtures thereof, in the presence or absence of water at from 20 DEG to 200 DEG C. under from 1 to 300 bar.
-
公开(公告)号:AT202566T
公开(公告)日:2001-07-15
申请号:AT97909303
申请日:1997-09-22
Applicant: BASF AG
Inventor: MASSONNE KLEMENS , BECKER RAINER , NEUHAUSER HORST , ZIMMERMANN HORST , REIF WOLFGANG , CRAMERS PETER , NARDIN DANIEL
IPC: C07D307/88
Abstract: PCT No. PCT/EP97/05186 Sec. 371 Date Apr. 1, 1999 Sec. 102(e) Date Apr. 1, 1999 PCT Filed Sep. 22, 1997 PCT Pub. No. WO98/14441 PCT Pub. Date Apr. 9, 1998A process for preparing phthalides of the general formula I, where R1, R2, R3 and R4 are independently hydrogen, C1-C4-alkyl or C1-C4-alkoxy, by hydrogenating phthalic anhydrides of the general formula II, where R1, R2, R3 and R4 are each as defined above, with hydrogen in the presence of suspended catalysts of the Raney type in a hydrogenation apparatus by using a mixing apparatus to mix a liquid phase, which includes the catalyst and the phthalic anhydride used and resulting phthalide, and a gas phase, which includes the hydrogenating hydrogen, comprises using the mixing apparatus to introduce a mixing intensity of at least 50 W/l into the liquid phase.
-
公开(公告)号:SK281665B6
公开(公告)日:2001-06-11
申请号:SK142797
申请日:1996-05-04
Applicant: BASF AG
Inventor: FUCHS EBERHARD , ZIMMERMANN HORST , WITZEL TOM , BREITSCHEIDEL BORIS , BECKER RAINER , HEUHAUSER HORST
IPC: B01J23/40 , C07C213/02 , C07C213/06
Abstract: PCT No. PCT/EP96/01861 Sec. 371 Date Jan. 23, 1998 Sec. 102(e) Date Jan. 23, 1998 PCT Filed May 4, 1996 PCT Pub. No. WO96/36589 PCT Pub. Date Nov. 21, 1996A process for preparing N-methyl-2-(3,4-dimethoxyphenyl)-ethylamine comprises hydrogenating 3,4-dimethoxyphenylacetonitrile with a methylamine of the general formula I (I) where R1 is hydrogen, benzyl or tert-butyl, and hydrogen in the presence of a supported catalyst which comprises from 0.05 to 50% by weight of copper chromite, copper, silver, gold, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum or mixtures thereof, in the presence or absence of water at from 20 DEG to 200 DEG C. under from 1 to 300 bar.
-
公开(公告)号:PL323359A1
公开(公告)日:1998-03-30
申请号:PL32335996
申请日:1996-05-04
Applicant: BASF AG
Inventor: FUCHS EBERHARD , ZIMMERMANN HORST , WITZEL TOM , BREITSCHEIDEL BORIS , BECKER RAINER , HEUHAUSER HORST
IPC: B01J23/40 , C07C213/02 , C07C213/06
Abstract: PCT No. PCT/EP96/01861 Sec. 371 Date Jan. 23, 1998 Sec. 102(e) Date Jan. 23, 1998 PCT Filed May 4, 1996 PCT Pub. No. WO96/36589 PCT Pub. Date Nov. 21, 1996A process for preparing N-methyl-2-(3,4-dimethoxyphenyl)-ethylamine comprises hydrogenating 3,4-dimethoxyphenylacetonitrile with a methylamine of the general formula I (I) where R1 is hydrogen, benzyl or tert-butyl, and hydrogen in the presence of a supported catalyst which comprises from 0.05 to 50% by weight of copper chromite, copper, silver, gold, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum or mixtures thereof, in the presence or absence of water at from 20 DEG to 200 DEG C. under from 1 to 300 bar.
-
公开(公告)号:TR9701373T1
公开(公告)日:1998-02-21
申请号:TR9701373
申请日:1996-05-04
Applicant: BASF AG
Inventor: FUCHS EBERHARD , ZIMMERMANN HORST , WITZEL TOM , BREITSCHEIDEL BORIS , HEUHHAUSER HORST , BECKER RAINER
IPC: B01J23/40 , C07C213/02 , C07C213/06
CPC classification number: C07C213/06 , B01J23/40 , C07C213/02
-
公开(公告)号:TR199701373T1
公开(公告)日:1998-02-21
申请号:TR9701373
申请日:1996-05-04
Applicant: BASF AG
Inventor: FUCHS EBERHARD , ZIMMERMANN HORST , WITZEL TOM , BREITSCHEIDEL BORIS , HEUHHAUSER HORST , BECKER RAINER
IPC: B01J23/40 , C07C213/02 , C07C213/06
Abstract: PCT No. PCT/EP96/01861 Sec. 371 Date Jan. 23, 1998 Sec. 102(e) Date Jan. 23, 1998 PCT Filed May 4, 1996 PCT Pub. No. WO96/36589 PCT Pub. Date Nov. 21, 1996A process for preparing N-methyl-2-(3,4-dimethoxyphenyl)-ethylamine comprises hydrogenating 3,4-dimethoxyphenylacetonitrile with a methylamine of the general formula I (I) where R1 is hydrogen, benzyl or tert-butyl, and hydrogen in the presence of a supported catalyst which comprises from 0.05 to 50% by weight of copper chromite, copper, silver, gold, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum or mixtures thereof, in the presence or absence of water at from 20 DEG to 200 DEG C. under from 1 to 300 bar.
-
公开(公告)号:AU5813496A
公开(公告)日:1996-11-29
申请号:AU5813496
申请日:1996-05-04
Applicant: BASF AG
Inventor: FUCHS EBERHARD , ZIMMERMANN HORST , WITZEL TOM , BREITSCHEIDEL BORIS , BECKER RAINER , NEUHAUSER HORST
IPC: B01J23/40 , C07C213/02 , C07C213/06
Abstract: PCT No. PCT/EP96/01861 Sec. 371 Date Jan. 23, 1998 Sec. 102(e) Date Jan. 23, 1998 PCT Filed May 4, 1996 PCT Pub. No. WO96/36589 PCT Pub. Date Nov. 21, 1996A process for preparing N-methyl-2-(3,4-dimethoxyphenyl)-ethylamine comprises hydrogenating 3,4-dimethoxyphenylacetonitrile with a methylamine of the general formula I (I) where R1 is hydrogen, benzyl or tert-butyl, and hydrogen in the presence of a supported catalyst which comprises from 0.05 to 50% by weight of copper chromite, copper, silver, gold, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum or mixtures thereof, in the presence or absence of water at from 20 DEG to 200 DEG C. under from 1 to 300 bar.
-
公开(公告)号:DE19518018A1
公开(公告)日:1996-11-21
申请号:DE19518018
申请日:1995-05-17
Applicant: BASF AG
Inventor: ZIMMERMANN HORST , WITZEL TOM , FUCHS EBERHARD
IPC: B01J23/40 , C07C213/06 , C07C211/03 , B01J23/00 , B01J23/89 , C07C209/22 , C07F1/08 , C07F1/10 , C07F1/12 , C07F15/04 , C07F15/06
Abstract: Process for prodn. of N-methyl-2-(3,4-dimethoxyphenyl)-ethylamine (I) by hydrogenating 3,4-dimethoxyphenyl-methylnitrile (II) with a methylamine cpd. of formula NHMeR1 (III) and hydrogen in the presence of a catalyst contg. 0.05-50 wt. % (C), opt. in the presence of water, at 20-200 deg C and 1-300 bar. (C) = copper chromite, copper, silver, gold, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, and/or platinum; R1 = H, benzyl or tert. butyl.
-
-
-
-
-
-
-
-
-