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    Novel imidazolium and imidazolidinium salts can be used as precursors for carbene ligands for use in the preparation of novel metal complexes useful as catalysts
    11.
    发明专利
    Novel imidazolium and imidazolidinium salts can be used as precursors for carbene ligands for use in the preparation of novel metal complexes useful as catalysts 未知

    公开(公告)号：DE102004006422A1

    公开(公告)日：2005-08-25

    申请号：DE102004006422

    申请日：2004-02-09

    Applicant: BASF AG

    Inventor： PREISHUBER-PFLUEGL PETER ,  BOEHM VOLKER ,  SAVA XAVIER ,  BILDSTEIN BENNO ,  STEINER GEORG

    IPC: C07D233/54 ,  C07F11/00 ,  C07F15/00 ,  C07F15/04

    Abstract: Imidazolium and imidazolidinium salts are new, as are also metal complexes obtained from the salts. Imidazolium and imidazolidinium salts of formulae (Ia) and (Ib) are new. E : N, As or P; R1> and R2>H, optionally cyclic alkyl or optionally substituted aryl; R3> and R4>optionally cyclic alkyl or optionally substituted aryl; R5>as for R1> and R2> or a group of formula (R1>)'>-(E)'>:C((R2>)'>)-C((R3>)'>(R4>)'>)-; E'>as for E; (R1>)'> - (R4>)'>as for R1> - R4>; R6> and R7>H, optionally cyclic alkyl, optionally substituted aryl, halogen or nitro or together with the C atom to which they are bonded form a 4-10-membered ring which is optionally unsaturated and optionally contains 1 or 2 heteroatoms; X : an anionic group; and R8> and R9>H, optionally cyclic alkyl, optionally substituted aryl, halogen or nitro. Independent claims are also included for: (1) preparation of (Ia); (2) metal complexes which are derived from (Ia) and (Ib) and which are of formula (IIa) - (IIg); and (3) preparation of the metal complexes. R1> - R4> and R6> and R7>as above; R5>as for R1> and R2>; (R1>)''> - (R4>)''>as for R1> - R4>; E''>as for E; M : Group 3-13 metal; Y : monoanionic mono- or bi-dentate ligand; L : neutral mono- or bi-dentate ligand; n and m : 0-6, the ligands for n or m >= 1 being the same or different, n being such that the total Y charge corresponds to the valency of the metal and the sum n + m being dependent on the coordination numbers of the metals, the dentate values of Y and L and the number and dentate values of the functionalized carbene ligands; and the (R)' and (R)''> variables = as above. [Image] [Image] [Image] [Image].

    12.
    发明专利
    未知

    公开(公告)号：DE50202933D1

    公开(公告)日：2005-06-02

    申请号：DE50202933

    申请日：2002-07-17

    Applicant: BASF AG

    Inventor： SLANY MICHAEL ,  LUINSTRA GERRIT ,  SAVA XAVIER

    IPC: C08G63/78 ,  C08G63/06 ,  C08G63/82 ,  C08L101/16

    Abstract: A process for preparing thermoplastic poly(3-hydroxyalkanoates) with a molar mass greater than 6 000 g/mol and a melting point in the range from 70 to 170° C., by reacting an oxirane compound with carbon monoxide in the presence of a transition metal catalyst which has rhodium(0), nickel(0), iron(0), cobalt(0) or palladium(0) as central metal and has been chelated with neutral Lewis bases, and also in the presence of diisocyanates, ortho esters, acetals, anhydrides, P 2 O 5 , MgO, MgCl 2 , MgSO 4 , zeolites, or a mixture of these, at a pressure in the range from 1 to 250 bar and at from room temperature to 150° C.

    14.
    发明专利
    未知

    公开(公告)号：DE10234005A1

    公开(公告)日：2004-02-05

    申请号：DE10234005

    申请日：2002-07-25

    Applicant: BASF AG

    Inventor： CHOWDHRY MUBARIK MAHMOOD ,  SCHMID MARKUS ,  PREISHUBER-PFUEGL PETER ,  SAVA XAVIER ,  WEIS HORST ,  MECKING STEFAN ,  BAUERS FLORIAN M

    IPC: C08F2/22 ,  C08F2/24 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F4/42 ,  C08F10/00

    Abstract: A method for the emulsion polymerization of one or more olefins by reacting a ligand of general formulae Ia and Ib or a mixture of at least two ligands Ia or Ib, wherein R respectively represents one or several of the following radicals; hydrogen, halogen, nitrile, C1-C12-alkyl groups, C1-C12-alkoxy groups, C7-C13-aralkyl groups, C6-C14-aryl groups, and wherein identical or different compounds of general formulae Ia and Ib can, optionally, be concatenated by one or several bridges, with a phosphine compound PR3′ and a metal compound of general formula M(L2)2 or M(L2)2 (L1)z, wherein the variables are defined as follows: M is a transition metal of groups 7-10 in the periodic system of the elements; L1 represents phosphanes (R5)xPH3-x or amines (R5)xNH3-x with identical or different radicals R5, ether (R5)2O, H2O, alkohols (R5)OH, pyridine, pyridine derivatives of formula C5H5-x(R5)xN, CO, C1-C12-alkylnitriles, C6-C14-arylnitriles or ethylenically unsaturated double bond systems, wherein x is a whole number ranging from 0-3, L2 represents halogenide ions R6xNH3-x, wherein x is a whole number ranging from 0 3 and R6 represents C1-C12-alkyl, and C1-C6-alkylane ions, allylane ions, benzylane ions or arylane ions, wherein L1 and L2 can be concatenated with each other by one or several covalent bonds, z is a number ranging from 0 4. The invention also relates to the immediate use of the reaction product in the polymerization or copolymerization of olefins in water or in a solvent mixture containing at least 50 vol. % water in the presence of an emulsifier and, optionally, in the presence of an activator.

    DIPHOSPHINE
    17.
    发明专利
    DIPHOSPHINE 未知

    公开(公告)号：CA2461920A1

    公开(公告)日：2003-04-17

    申请号：CA2461920

    申请日：2002-09-26

    Applicant: BASF AG

    Inventor： ROEPER MICHAEL ,  SLANY MICHAEL ,  SAVA XAVIER

    IPC: B01J31/28 ,  B01J31/24 ,  C07B61/00 ,  C07C51/14 ,  C07C57/03 ,  C07C67/38 ,  C07C69/533 ,  C07F9/6568 ,  C07F9/6571

    Abstract: The invention relates to diphosphine of formula Rl>P-(CH)n-PR2R3 wherein Rl is a bivalent radical which together with the phosphorous atom to which it is linked represents an unsubstituted or substituted 2-phospha- tricyclo[3.3.1.1{3,7}]decyl-group or a derivative thereof, wherein one or several carbon atoms are replaced by heteroatoms, R2, R3 independently represent a monovalent radical having 1 -20 atoms or a joint bivalent radica l having 2 - 20 atoms, n is 4 or 5, and the mixtures thereof as a suitable carboxylation system containing palladium or a palladium compound and said type of diphosphin. The invention also relates to a method for the carbonylation of a conjugated diene in the presence of said system.

    PROCESS FOR PREPARING FORMIC ACID
    18.
    发明专利
    PROCESS FOR PREPARING FORMIC ACID 未知

    公开(公告)号：CA2681508A1

    公开(公告)日：2008-10-02

    申请号：CA2681508

    申请日：2008-03-18

    Applicant: BASF AG

    Inventor： SAVA XAVIER ,  ROEPER MICHAEL ,  CHALLAND NINA

    IPC: C07C51/00 ,  C07C51/02 ,  C07C53/02 ,  C07C53/06

    Abstract: The invention relates to a method for producing formic acid by generating the corresponding ammonium formate by means of catalytic hydrogenation of c arbon dioxide with hydrogen on a catalyst comprising a metal of groups 8 thr ough 10 of the periodic system, in the presence of a primary, secondary, and /or tertiary amine, and by cleaving the ammonium formate by heating it in fo rmic acid and the amine, characterized in that the primary, secondary, or te rtiary amine is selected from the amines of formula I or the mixtures thereo f, R1 through R3 being identical or different and being hydrogen, linear or branched alkyl radicals having 1 to 18 carbon atoms, cycloaliphatic radicals having 5 to 7 carbon atoms, aryl radicals and/or aryl alkyl radicals, at le ast one of the radicals R1 to R3 carrying a hydroxyl group, and that said hy drogenation is performed in a solvent having a boiling point of >=105°C a t normal pressure, and that the formic acid is obtained in the hydrogenation reaction mixture comprising the high-boiling solvent by thermal cleavage of the ammonium formate and distillation of the formic acid.

    19.
    发明专利
    未知

    公开(公告)号：DE50207666D1

    公开(公告)日：2006-09-07

    申请号：DE50207666

    申请日：2002-09-26

    Applicant: BASF AG

    Inventor： SAVA XAVIER ,  SLANY MICHAEL ,  ROEPER MICHAEL

    IPC: B01J31/28 ,  B01J31/24 ,  C07F9/6568 ,  C07B61/00 ,  C07C51/14 ,  C07C57/03 ,  C07C67/38 ,  C07C69/533 ,  C07F9/6571

    Abstract: A system comprising a diphosphine of the formula R 1 >P-(CH) n -PR 2 R 3 where R 1 is a divalent radical which together with the phosphorus atom to which it is linked forms an unsubstituted or substituted 2-phosphatricyclo[3.3.1.1{3,7}]decyl group or a derivative thereof in which one or more of the carbon atoms are replaced by heteroatoms, R 2 , R 3 are each, independently of one another, a monovalent radical having from 1 to 20 atoms or together form a divalent radical having from 2 to 20 atoms, n is 4 or 5, and a mixture of such diphosphines, and palladium or a palladium compound is suitable as carbonylation catalyst for the carbonylation of a conjugated diene.

    PROCEDIMIENTO PARA LA OBTENCION DE POLI (3-HIDROXI-ALCANOATOS) TERMOPLASTICOS.
    20.
    发明专利
    PROCEDIMIENTO PARA LA OBTENCION DE POLI (3-HIDROXI-ALCANOATOS) TERMOPLASTICOS. 未知

    公开(公告)号：ES2240798T3

    公开(公告)日：2005-10-16

    申请号：ES02767222

    申请日：2002-07-17

    Applicant: BASF AG

    Inventor： SLANY MICHAEL ,  LUINSTRA GERRIT ,  SAVA XAVIER

    IPC: C08G63/78 ,  C08G63/06 ,  C08G63/82 ,  C08L101/16

    Abstract: Procedimiento para la obtención de poli(3- hidroxialcanoatos) termoplásticos con un peso molecular Mw mayor que 6.000 g/mol, y un punto de fusión en el intervalo de 70 a 170ºC, mediante reacción de un compuesto de oxirano con monóxido de carbono en presencia de un catalizador de metal de transición quelatizado con bases de Lewis neutras, con rodio (0), níquel (0), hierro (0), cobalto (0) o paladio (0) como metal central, así como en presencia de ortoésteres, acetales, anhídridos de ácido carboxílico, P2O5, MgO, MgCl2, MgSO4, zeolitas o sus mezclas, a una presión en el intervalo de 1 a 250 bar, y una temperatura en el intervalo de temperatura ambiente a 150ºC.

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