13.
    发明专利
    未知

    公开(公告)号:BR9609533A

    公开(公告)日:1999-02-23

    申请号:BR9609533

    申请日:1996-07-02

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/02891 Sec. 371 Date Jan. 8, 1998 Sec. 102(e) Date Jan. 8, 1998 PCT Filed Jul. 2, 1996 PCT Pub. No. WO97/03969 PCT Pub. Date Feb. 6, 1997N-substituted 3-hydroxypyrazoles of the formula I where R1 is unsubstituted or substituted alkyl, aryl or heteroaryl and R2, R3 is hydrogen, cyano, halogen or unsubstituted or substituted alkyl, aryl or heteroaryl, are prepared by oxidation of a corresponding pyrazolidin-3-one with atmospheric oxygen in the presence of a metal salt in an essentially pH-neutral medium.

    15.
    发明专利
    未知

    公开(公告)号:DE19726507A1

    公开(公告)日:1998-12-24

    申请号:DE19726507

    申请日:1997-06-23

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of tetrahydrofuran in the presence of at least one telogene and/or comonomer on a sulfate-containing heterogeneous supported catalyst. A sulfate-containing heterogeneous supported catalyst is used containing at least one metal sulfate, metal hydrogen sulfate, metal oxide sulfate or mixtures thereof.

    METHOD OF PREPARING AMINES FROM OLEFINS OVER BORON 'BETA'-ZEOLITES

    公开(公告)号:SK20298A3

    公开(公告)日:1998-11-04

    申请号:SK20298

    申请日:1996-08-19

    Applicant: BASF AG

    Abstract: Disclosed is a method for production of amines according to formula (I), wherein the variables with the upper index are R1, R2, R3, R4, R5, R6, H, C1-20 alkyl, C2-20 alkenyl, C2-20 alkinyl, C3-20 cycloalkyl, C4-20 alkylcycloalkyl, C4-20 cycloalkylalkyl, aryl, C7-20 alkylaryl or C7-20 aralkyl, R1 and R2 together saturated or unsaturated C3-9 alkylene di-chain and R3 or R5 C21-200 alkyl, C21-200 alkenyl or together C2-12 alkylene di-chain, by reaction olefine according to formula (II) wherein R3, R4, R5 and R6 have the said meanings, with ammonia or primary or secondary amines according to general formula (III), wherein R1 and R2 have the said meanings, under the temperature from 200 C to 350 C and under the pressure from 100 to 300 . 10exp(5) Pa in the presence of zeolite catalyst with the use of boro-BETA-zeolites as a zeolite catalyst.

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