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公开(公告)号:CA2522799A1
公开(公告)日:2004-11-04
申请号:CA2522799
申请日:2004-04-16
Applicant: BASF AG
Inventor: JUNGKAMP TIM , FLORES MIGUEL ANGEL , HADERLEIN GERD , BARTSCH MICHAEL , BAUMANN ROBERT , SCHEIDEL JENS , LUYKEN HERMANN , KUNSMANN-KEITEL DAGMAR PASCALE , SIEGEL WOLFGANG
IPC: C07C253/30 , C07C255/07
Abstract: The invention relates to a method for the isomerization of 2-pentenenitrile to form trans-3-pentenenitrile in the presence of aluminium oxide as a catalyst . The invention is characterised in that the BET surface of the aluminium oxid e is at least 50 m2/g.
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公开(公告)号:DE10240012A1
公开(公告)日:2004-03-11
申请号:DE10240012
申请日:2002-08-27
Applicant: BASF AG
Inventor: JUNGKAMP TIM , SCHEIDEL JENS , LUYKEN HERMANN , BARTSCH MICHAEL , BAUMANN ROBERT , HADERLEIN GERD
IPC: C07C253/10 , C07C255/07 , C07C253/34 , C07C253/08
Abstract: A process for the recovery of a Lewis acid from a reaction mixture prepared by hydrocyanation of an olefinically unsaturated compound to form a nitrile that under certain conditions of quantities, pressure and temperature exhibit a miscibility gap with water, in the presence of a catalyst system containing a Lewis acid and a complex compound comprises phase separation and distillation. A process for the recovery of a Lewis acid from a reaction mixture (I), prepared by hydrocyanation of an olefinically unsaturated compound to form a nitrile that under certain conditions of quantities, pressure and temperature exhibit a miscibility gap with water, in the presence of a catalyst system containing a Lewis acid and a complex compound comprising a phosphorous containing ligand and a central atom is characterized in that: (a) the complex compound is separated from the mixture (I) to yield a mixture (II); (b) mixing of the mixture (II) with water under pressure and temperature to form a phase (III) that contains a higher water content than the nitrile and a phase (IV) having a higher nitrile content than water whereby the phase (III) has a higher content of Lewis acid than phase (IV); (c) mixing of the phase (III) with a liquid diluent (V) that does not form an azeotrope with water and whose b.pt. is higher than that of water or under certain conditions of pressure forms an azeotrope or a heteroazeotrope with water; (d) distillation of the mixture of (III) and (V) to yield a mixture (VI) having a higher water content than the diluent (V) and a mixture (VII) having a higher diluent (V) content than water whereby the mixture (VII) has a higher Lewis acid content than the mixture (VI) and; (e) addition of the mixture (VII) to a hydrocyanation of an olefinically unsaturated compound to form a nitrile that under certain conditions of quantities, pressure and temperature exhibit a miscibility gap with water, in the presence of a catalyst system containing a Lewis acid and a complex compound comprising a phosphorous containing ligand and a central atom.
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公开(公告)号:DE10207165A1
公开(公告)日:2003-08-21
申请号:DE10207165
申请日:2002-02-20
Applicant: BASF AG
Inventor: BARTSCH MICHAEL , BAUMANN ROBERT , KUNSMANN-KEITEL DAGMAR PASCA , HADERLEIN GERD , JUNGKAMP TIM , ALTMAYER MARCO , SIEGEL WOLFGANG , MOLNAR FERENC
IPC: B01J31/12 , C07C253/10 , C07C253/30 , C07C255/04 , C07C255/07 , C07F9/48 , C07F15/04
Abstract: Novel phosphonite compounds are claimed. Phosphonite compounds (I) of formula (1) or (2) are claimed as are processes for their production, their use as ligands in transition metal complexes, novel transition metal complexes, processes for their production, their use as catalysts and processes in the presence of such transition metal complexes as catalysts. R1,R2,R5-R9 = H, 1-8C alkyl, alkenyl or alkoxy; R3 = H or methyl; R4 = i-propyl or t-butyl; X = F, Cl or CF3 n = 1 or 2 Independent claims are included for: (1) Transition metal complexes (II) containing a phosphonite ligand of formula (1) or (2). (2) Processes for the production of transition metal complexes by reaction of a transition metal or tranisition metal compound with a phosphonite of formula (1) or (2). (3) A process for the addition of hydrocyanic acid to an olefinic double bond in the presence of a catalyst comprising a transition metal complex (II). (4) A process for the isomerization of organic nitriles in the presence of a catalyst comprising a complex (II).
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公开(公告)号:DE10156292A1
公开(公告)日:2003-05-28
申请号:DE10156292
申请日:2001-11-19
Applicant: BASF AG
Inventor: BARTSCH MICHAEL , BAUMANN ROBERT , KUNSMANN-KEITEL DAGMAR PASCA , HADERLEIN GERD , JUNGKAMP TIM , ALTMAYER MARCO , SIEGEL WOLFGANG
IPC: C07F9/48
Abstract: Preparation of organodiphosphonites comprises reaction of one mole of an organo phosphorous chloride with one mole of an alcohol in the absence of an organic base at -25 to +10 deg C, treatment of the product with at least one equivalent of an organic base, and addition of a (hetero)aryl diol. A process for the production of organodiphosphonites of formula (I) comprises: (a) reaction of one mole of R PCl2 with one mole of R OH in the absence of an organic base at -25 to +10 deg C; (b) treatment of the product from step (a) with at least one equivalent of an organic base (with respect to (w.r.t.) R PCl2) to yield (R -O)R PCl and an essentially insoluble salt of the organic base with HCl, at -25 to +10 deg C; and (c) reaction of (R -O)R PCl) with a compound HO-Z-OH, where in the case that less than two equivalents of base were added in step (b), further base is added in an amount such that at least two equivalents (w.r.t. one mole of R PCl2) are added in steps (a), (b) and (c) at -25 to +10 deg C. (R -O)R P-O-Z-O-PR (O-R ) (I) R , R = optionally substituted aryl, heteroaryl, 4-8C cycloalkyl or 1-10C alkyl; Z = optionally substituted arylene, heteroarylene, 4-8C cycloalkylene or 1-10C alkylene.
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公开(公告)号:DE10150281A1
公开(公告)日:2003-04-30
申请号:DE10150281
申请日:2001-10-12
Applicant: BASF AG
Inventor: BARTSCH MICHAEL , BAUMANN ROBERT , KUNSMANN-KEITEL DAGMAR PASCA , HADERLEIN GERD , JUNGKAMP TIM , ALTMAYER MARCO , SIEGEL WOLFGANG , MOLNAR FERENC
IPC: B01J31/18 , C07C253/10 , C07C255/04 , C07C255/07 , C07F9/48 , C07F15/04 , B01J31/12 , C07C253/30 , C07C255/06
Abstract: Novel phosphonite compounds are claimed. Phosphonite compounds (I) of formula (1) or (2) are claimed as are processes for their production, their use as ligands in transition metal complexes, novel transition metal complexes, processes for their production, their use as catalysts and processes in the presence of such transition metal complexes as catalysts. R ,R ,R -R = H, 1-8C alkyl, alkenyl or alkoxy; R = H or methyl; R = i-propyl or t-butyl; X = F, Cl or CF3 n = 1 or 2 Independent claims are included for: (1) Transition metal complexes (II) containing a phosphonite ligand of formula (1) or (2). (2) Processes for the production of transition metal complexes by reaction of a transition metal or tranisition metal compound with a phosphonite of formula (1) or (2). (3) A process for the addition of hydrocyanic acid to an olefinic double bond in the presence of a catalyst comprising a transition metal complex (II). (4) A process for the isomerization of organic nitriles in the presence of a catalyst comprising a complex (II).
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公开(公告)号:DE10046026A1
公开(公告)日:2002-03-28
申请号:DE10046026
申请日:2000-09-18
Applicant: BASF AG
Inventor: AHLERS WOLFGANG , WIEBELHAUS DAG , PACIELLO ROCCO , BARTSCH MICHAEL , BAUMANN ROBERT , VOGT DIETER , HEWAT ALISON
IPC: B01J31/18 , B01J31/22 , C07C45/50 , C07F9/655 , C07F9/6571 , C07F9/6574 , C07F15/00 , B01J31/12 , C07F9/6561 , C07F9/74 , C07F9/90 , C07B41/06 , C07B45/02 , C07B31/00
Abstract: The invention relates to a method for the hydroformylation of ethylenically unsaturated compounds, whereby at least one complex of a metal of subgroup VIII is used as the hydroformylation catalyst, having at least one compound containing phosphorus, arsenic, or antimony as a ligand. Each compound comprises two groups having a P, As, or Sb atom and at least two other heteroatoms, said groups being bound to a xanthene-type molecular structure. The invention also relates to novel compounds of this type and catalysts comprising at least one complex of a metal of subgroup VIII having at least one such compound as a ligand.
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公开(公告)号:CA2389608A1
公开(公告)日:2001-05-25
申请号:CA2389608
申请日:2000-10-25
Applicant: BASF AG
Inventor: BAUMANN ROBERT , SIEGEL WOLFGANG , FISCHER JAKOB , KUNSMANN-KEITEL DAGMAR PASCALE , JUNGKAMP TIM
IPC: B01J31/22 , B01J31/02 , B01J31/18 , C07B61/00 , C07C253/10 , C07C253/30 , C07C255/03 , C07C255/07 , C07C255/19 , C07F9/145 , C07F15/04
Abstract: The invention relates to phosphites of the formula (I) P (O-R1)x (O-R2)y (O- R3)z (O-R4)p where R1= an aromatic group with a C1-C18-alkyl substituent ort ho to the O atom, or an aromatic substituent ortho to the O atom, or a fused aromatic system ortho to the O atom; R2= an aromatic group with a C1-C18 alk yl substituent meta to the O atom, or an aromatic substituent meta to the O ato m, or a fused aromatic system meta to the O atom, whereby the aromatic residue ortho to the O atom has a hydrogen atom; R3 = an aromatic group with a C1-C1 8 alkyl substituent para to the O atom, or an aromatic substituent para to the O atom, whereby the aromatic group ortho to the O atom has a hydrogen atom; R4 = an aromatic group with substituents ortho, meta and para to the o atom which are different to those defined for R1, R2 and R3, whereby the aromatic group ortho to the O atom has a hydrogen atom; x = 1 or 2; y, z and p, independent of each other = 0, 1 or 2 with the proviso, that x+y+z+p =3.
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公开(公告)号:BRPI0507129B1
公开(公告)日:2014-10-21
申请号:BRPI0507129
申请日:2005-01-27
Applicant: BASF AG
Inventor: SCHEIDEL JENS , JUNGKAMP TIM , BARTSCH MICHAEL , HADERLEIN GERD , BAUMANN ROBERT , LUYKEN HERMANN
IPC: C07C253/10 , C07C255/07
Abstract: A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene, wherein 1,3-butadiene is reacted with hydrogen cyanide in the presence of at least one catalyst and the stream resulting therefrom is purified distillatively, the bottom temperature during the distillation not exceeding 140° C.
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公开(公告)号:BRPI0507199A
公开(公告)日:2007-06-26
申请号:BRPI0507199
申请日:2005-01-26
Applicant: BASF AG
Inventor: JUNGKAMP TIM , KUNSMANN-KEITEL DAGMAR PASCALE , BARTSCH MICHAEL , HADERLEIN GERD , LUYKEN HERMANN , SCHEIDEL JENS , BAUMANN ROBERT
IPC: C07C253/10 , C07C255/07
Abstract: A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene with hydrogen cyanide over at least one catalyst, wherein the 1,3-butadiene and/or hydrogen cyanide is contacted with at least one microporous solid before the reaction.
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公开(公告)号:BRPI0507197A
公开(公告)日:2007-06-26
申请号:BRPI0507197
申请日:2005-01-27
Applicant: BASF AG
Inventor: JUNGKAMP TIM , BAUMANN ROBERT , BARTSCH MICHAEL , HADERLEIN GERD , LUYKEN HERMANN , SCHEIDEL JENS , AECHTNER TOBIAS , PFAB PETER , DECKERT PETRA , SIEGEL WOLFGANG , BASSLER PETER
IPC: C07C253/10 , C07C255/07
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.
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