CATALYST SYSTEM CONTAINING NI(0) FOR HYDROCYANATION

    公开(公告)号:CA2454912A1

    公开(公告)日:2003-02-13

    申请号:CA2454912

    申请日:2002-07-16

    Applicant: BASF AG

    Abstract: A catalyst system containing a) Ni (0), b) 4 -10 mol per mol Ni (0) accordin g to a) a compound (I) of formula P (X1R1) (X2R2) (X3R3) (I) wherein X1, X2, X 3 independently represent oxygen or a single bond R1, R2, R3 represent independently, the same or different organic radicals, and c) 1 -4 mol per m ol Ni (0) according to a) a compound (II) of formula (II) wherein X11, X12, X13 , X21, X22, X23 independnetly represent oxygen or a single bond, R11, R12 independently represent the same or different individual or bridged organic radicals, R21, R22 independently represent the same or different, individual or bridged organic radicals, Y represents a bridge group. The invention also relates to a method for the production of mixtures of monoolefin C5- mononitrils with a n-conjugated C=C and C=N bond by hydrocyanation of a hydrocarbon mixture containing 1,3-butadiene in the presence of at least one such system and to a method for the production of a dinitrile by hydrocyanation of a mixture of monoolefin C5-mononitriles with a non- conjugated C=C- and C=N bond in the presence of at least one such system.

    75.
    发明专利
    未知

    公开(公告)号:BRPI0507197B1

    公开(公告)日:2014-12-30

    申请号:BRPI0507197

    申请日:2005-01-27

    Applicant: BASF AG

    Abstract: A process is described for preparing 3-pentenenitrile, characterized by the following process steps: (a) isomerizing a reactant stream which comprises 2-methyl-3-butenenitrile over at least one dissolved or dispersed isomerization catalyst to give a stream 1 which comprises the at least one isomerization catalyst, 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile, (b) distilling stream 1 to obtain a stream 2 as the top product which comprises 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile, and a stream 3 as the bottom product which comprises the at least one isomerization catalyst, (c) distilling stream 2 to obtain a stream 4 as the top product which, compared to stream 2, is enriched in (Z)-2-methyl-2-butenenitrile, based on the sum of all pentenenitriles in stream 2, and a stream 5 as the bottom product which, compared to stream 2, is enriched in 3-pentenenitrile and 2-methyl-3-butenenitrile, based on the sum of all pentenenitriles in stream 2, (d) distilling stream 5 to obtain a stream 6 as the bottom product which comprises 3-pentenenitrile and a stream 7 as the top product which comprises 2-methyl-3-butenenitrile.

    SEPARACION DE COMPLEJOS DE NIQUEL (0) Y LIGANDOS FOSFORADOS A PARTIR DE MEZCLAS DE NITRILOS.

    公开(公告)号:ES2289689T3

    公开(公告)日:2008-02-01

    申请号:ES05701205

    申请日:2005-01-27

    Applicant: BASF AG

    Abstract: Procedimiento para la separación por extracción de complejos de níquel (0) con ligandos fosforados y/o ligandos fosforados libres a partir de una descarga de reacción de un hidrocianado de mononitrilos insaturados para dar dinitrilos, mediante extracción por medio de un hidrocarburo efectuándose una separación de fases de hidrocarburo y descarga de reacción en dos fases a una temperatura T (en ºC), caracterizado porque, en la descarga de reacción de hidrocianado, el contenido en complejos de níquel (0) con ligandos fosforados y/o ligandos fosforados libres, dependiendo de la temperatura T, asciende al menos a y % en peso, e independientemente de la temperatura T asciende a un máximo de un 60 % en peso, determinándose el valor numérico del contenido mínimo y mediante la ecuación Y = 0, 5 . T + 20 y debiéndose emplear T en la ecuación como valor numérico adimensional.

    80.
    发明专利
    未知

    公开(公告)号:AT359254T

    公开(公告)日:2007-05-15

    申请号:AT04739502

    申请日:2004-06-02

    Applicant: BASF AG

    Abstract: The invention is a process for preparing tetraalkyl-substituted biphenol which comprises reacting a 2,4- or 2,6-dialkyl substituted phenol in which the alkyl groups contain 1 to 6 carbon atoms with a peroxidase enzyme in the presence of a peroxide in an aqueous medium to yield a tetraalkyl-substituted biphenol by oxidative coupling of the 2,4- or 2,6-dialkyl substituted phenol, or yielding a tetra-alkyl substituted quinone, and reducing the quinone to obtain a tetraalkyl-substituted biphenol. The invention further includes a process for preparing a tetraaryl-substituted biphenol in which the aryl groups contain 6 to 10 carbon atoms which comprises racting a 2,4 or 2,6 diarylphenol with a peroxidase enzyme to yield a tetraaryl-substituted biphenol. A process for reducing a tetraalkyl-substituted quinone to corresponding tetraalkyl-substituted biphenol which comprises reducing the quinone with a phenol in an aqueous medium at a temperature of about 60° to 120° C. is also included.

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