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公开(公告)号:CA2553027A1
公开(公告)日:2005-08-11
申请号:CA2553027
申请日:2005-01-27
Applicant: BASF AG
Inventor: JUNGKAMP TIM , SCHEIDEL JENS , HADERLEIN GERD , BAUMANN ROBERT , LUYKEN HERMANN , BARTSCH MICHAEL
IPC: C07C253/10 , C07C255/07
Abstract: The invention relates to a method for continuous hydrocyanation of 1,3- butadiene in the presence of at least one nickel(0)-catalyst with chelate ligands, wherein 1,3-butadiene and cyanohydrogen are used in a molar ratio o f 1,6 - 1,1 to 1.
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公开(公告)号:CA2552860A1
公开(公告)日:2005-08-11
申请号:CA2552860
申请日:2005-01-27
Applicant: BASF AG
Inventor: SCHEIDEL JENS , JUNGKAMP TIM , BARTSCH MICHAEL , HADERLEIN GERD , LUYKEN HERMANN , BAUMANN ROBERT
IPC: C07C253/10 , C07C253/34 , C07C255/07
Abstract: The invention relates to a method for producing 3-pentenenitrile, said metho d being characterised by the following steps: (a) 1,3-butadiene is reacted wit h hydrogen cyanide on at least one catalyst to obtain a flow (1) containing 3- pentenenitrile, 2-methyl-3-butenenitrile, the at least one catalyst, and 1,3 - butadiene; (b) the flow (1) is distilled in a column to obtain a top product flow (2) rich in 1,3-butadiene, and a bottom product flow (3) that is poor i n 1,3-butadiene and contains 3-pentenenitrile, the at least one catalyst, and 2- methyl-3-butenenitrile; (c) the flow (3) is distilled in a column to obtain a top product flow (4) containing 1,3-butadiene, a flow (5) in a side-tap of t he column, containing 3-pentenenitrile and 2-methyl-3-butenenitrile, and a bott om product flow (6) containing the at least one catalyst; and (d) the flow (5) is distilled to obtain a top product flow (7) containing 2-methyl-3- butenenitrile, and a bottom product flow (8) containing 3-pentenenitrile.
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133.
公开(公告)号:AR043781A1
公开(公告)日:2005-08-10
申请号:ARP040101050
申请日:2004-03-30
Applicant: BASF AG
Inventor: BARTSCH MICHAEL , BAUMANN R , HADERLEIN G , FLORES MIGUEL , JUNGKAMP T , LUYKEN HERMANN , SCHEIDEL J , SIEGEL WOLFGANG , MOLNAR F
IPC: B01J23/755 , B01J31/02 , B01J31/14 , B01J31/18 , C07C253/10 , C07C255/04 , B01J27/18 , B01J31/28 , C07B43/08
Abstract: La presente se refiere a un sistema apropiado como catalizador para la hidrocianuración de compuestos olefínicamente insaturados, que contiene: (a) Ni(O); (b) un compuesto secuestrante de Ni(O) como ligando, que contiene fósforo de triple enlace; (c) un ácido Lewis; y (d) un compuesto de la fórmula MRn en donde M significa Al o Ti; R significa radicales alcoxi monovalentes iguales o diferentes, pudiendo varios de los radicales alcoxi estar ponteados entre sí, y donde R significa, adicionalmente, en caso de M = Al, radicales alquilo monovalentes iguales o diferentes, pudiendo varios de los radicales alquilo estar ponteados entre sí o pudiendo uno o varios de los radicales alquilo estar ponteados por uno o varios de los radicales alcoxi arriba mencionados; n tiene el valor de M, así como un procedimiento para la hidrocianuración de un compuesto olefínicamente insaturado en presencia de tal sistema.
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公开(公告)号:BR0311998A
公开(公告)日:2005-04-26
申请号:BR0311998
申请日:2003-07-04
Applicant: BASF AG
Inventor: JUNGKAMP TIM , SCHEIDEL JENS , LUYKEN HERMANN , BARTSCH MICHAEL , BAUMANN ROBERT , HADERLEIN GERD
IPC: B01D3/36 , C01G9/04 , F26B5/00 , F26B7/00 , C07C253/34
Abstract: A process for the removal of water from a mixture comprising water and zinc chloride, which comprises adding to said mixture comprising water and zinc chloride an aprotic, polar diluent whose boiling point in the case where an azeotrope is not formed between said diluent and water under the pressure conditions of the distillation mentioned below is higher than the boiling point of water and which is in liquid form at this boiling point of water or which forms an azeotrope or heteroazeotrope with water under the pressure and temperature conditions of the distillation mentioned below, and distilling the mixture comprising water, zinc chloride and the diluent with removal of water or said azeotrope or said heteroazeotrope from this mixture, giving an anhydrous mixture comprising zinc chloride and said diluent.
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135.
公开(公告)号:AR038161A1
公开(公告)日:2004-12-29
申请号:ARP030100139
申请日:2003-01-17
Applicant: BASF AG
Inventor: MASSONNE KLEMENS , HALBRITTER KLAUS , NOE RALF , BARTSCH MICHAEL , SIEGEL WOLFGANG , FLORES MIGUEL , HUTTENLOCH OLIVER , BECKER MICHAEL , MAASE MATTHIAS , STEGMANN VEIT
IPC: C07D233/58 , B01J31/24 , C07B61/00 , C07B63/00 , C07B63/02 , C07C1/30 , C07C7/10 , C07C13/23 , C07C45/50 , C07C67/14 , C07C67/58 , C07C69/14 , C07C69/78 , C07C403/12 , C07D233/60 , C07D403/12 , C07F7/18 , C07F9/02 , C07F9/12 , C07F9/142 , C07F9/145 , C07F9/22 , C07F9/46 , C07F9/48 , C07F9/50 , C07F9/52 , C07F9/572 , C07F9/6503 , C07F9/6574 , C07F9/6584
Abstract: Procedimiento para separar ácidos de mezclas de reacción mediante una base auxiliar, en donde: a) la base auxiliar forma una sal con el ácido, cuya sal es líquida a temperaturas a las que el producto de valor no es descompuesto significativamente durante la separación de la sal líquida; y b) la sal de la base auxiliar forma con el producto de valor o la solución del producto de valor en un disolvente apropiado dos fases líquidas no miscibles entre sí. La base auxiliar c) actúa simultáneamente como catalizador nucleófilo, y la sal de la base auxiliar tiene un punto de fusión por debajo de 160°C. En dicho procedimiento se usa una base, que es seleccionada de entre las fórmulas (a) a (r), en donde: R1, R2, R3, R4, R5 y R6 significan, independientemente, hidrógeno, alquilo C1-18, alquilo C2-18, arilo C6-12, cicloalquilo C5-12 eventualmente interrumpidos por uno o varios átomos de oxígeno y/o átomos de azufre y/o uno o varios grupos imino sustituidos o no sustituidos, o un heterociclo de 5 a 6 miembros que presenta átomos de oxígeno, nitrógeno y/o átomos de azufre, cuyos radicales mencionados pueden estar sustituidos en cada caso por grupos funcionales, arilo, alquilo, ariloxi, alquiloxi, halógeno, heteroátomos y/o heterocicleno. Uso de una fosfina, de ésteres de ácido fosfínico, ésteres de ácido fosfinoso (fosfinitas), ésteres de ácido fosfónico, haluros de ácido fosfónico, amidas de ácido fosfónico, ésteres de ácido fosfonoso (fosfonitas), amidas de ácido fosfonoso, haluros de ácido fosfonoso, ésteres de ácido fosfórico, haluros de diésteres de ácido fosfórico, amidas de diésteres de ácido fosfórico, dihaluros de ésteres de ácido fosfórico, diamidas de ésteres de ácido fosfórico, ésteres de ácidos fosforosos (fosfitas), haluros de diésteres de ácido fosforoso, amidas de diésteres de ácido fosforoso, dihaluros de ésteres de ácido fosforoso o de diamidas de ésteres de ácido fosforoso, obtenidos según el procedimiento descripto como ligandos para catalizadores.
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公开(公告)号:DE10317929A1
公开(公告)日:2004-11-11
申请号:DE10317929
申请日:2003-04-17
Applicant: BASF AG
Inventor: BARTSCH MICHAEL , BAUMANN ROBERT , HADERLEIN GERD , FLORES MIGUEL , JUNGKAMP TIM , LUYKEN HERMANN , SCHEIDEL JENS , SIEGEL WOLFGANG , KUNSMANN-KEITEL DAGMAR PASCALE , BASLER PETER
Abstract: A process for dewatering hydrocyanic acid by distillation, which includes distilling crude hydrocyanic acid containing from 50 to 99.9% by weight of HCN, from 0.1 to 40% by weight of water, from 0 to 15% by weight of carbon oxides and optionally from 0.01 to 1% by weight of an involatile stabilizer, at a pressure of from 1 bar to 2.5 bar, a bottom temperature of from 100° C. to 130° C. and a top temperature of from 25° C. to 54° C., in the absence of a volatile stabilizer, in a distillation column to obtain a top draw stream containing purified, anhydrous hydrocyanic acid and carbon oxides and a bottom draw stream including water and, optionally, the involatile stabilizer.
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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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