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    PROCESS FOR PRODUCING N-METHYL-2-(3,4 DIMETHOXYPHENYL)-ETHYLAMINE
    12.
    发明专利
    PROCESS FOR PRODUCING N-METHYL-2-(3,4 DIMETHOXYPHENYL)-ETHYLAMINE 未知

    公开(公告)号：HU9801069A2

    公开(公告)日：1999-05-28

    申请号：HU9801069

    申请日：1996-05-04

    Applicant: BASF AG

    Inventor： BECKER RAINER ,  BREITSCHEIDEL BORIS ,  FUCHS EBERHARD ,  NEUHAUSER HORST ,  WITZEL TOM ,  ZIMMERMANN 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.

    13.
    发明专利
    未知

    公开(公告)号：BR9608468A

    公开(公告)日：1998-12-29

    申请号：BR9608468

    申请日：1996-05-04

    Applicant: BASF AG

    Inventor： ZIMMERMANN HORST ,  WITZEL TOM ,  BREITSCHEIDEL BORIS ,  BECKER RAINER ,  NEUHAUSER HORST ,  FUCHS EBERHARD

    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.

    PROCESS FOR PREPARING N-METHYL-2-(3,4-DIMETHOXYPHENYL)ETHYLAMINE
    15.
    发明专利
    PROCESS FOR PREPARING N-METHYL-2-(3,4-DIMETHOXYPHENYL)ETHYLAMINE 未知

    公开(公告)号：CZ345597A3

    公开(公告)日：1998-04-15

    申请号：CZ345597

    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.

    17.
    发明专利
    未知

    公开(公告)号：ES2158511T3

    公开(公告)日：2001-09-01

    申请号：ES97909303

    申请日：1997-09-22

    Applicant: BASF AG

    Inventor： MASSONNE KLEMENS ,  BECKER RAINER ,  NEUHAUSER HORST ,  ZIMMERMANN HORST ,  REIF WOLFGANG ,  CRAMERS PETER

    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.

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