N'-substituted n-acylamidine metal transition complexes and...

C - Chemistry – Metallurgy – 07 – F

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C07F 15/00 (2006.01) B01J 31/00 (2006.01) B01J 31/18 (2006.01) C07B 61/00 (2006.01) C07F 1/00 (2006.01) C07F 15/04 (2006.01)

Patent

CA 2507000

The invention relates to N'-substituted N-acylamidine transition metal complexes of the general formula (I), wherein M represents a transition metal, selected from the group of metals including Ni, Cu, Ru, Rh, Pd, Os, Ir and Pt, X represents Cl, Br, triflate, methane sulfonate or p-toluol sulfonate, m is 0, 1 or 2, n is 1, 2 or 3 and the radicals have the following meanings: R1, R2 is a straight-chain or branched, cyclic hydrocarbon group with 1 to 20 carbon atoms which can be mono or poly-unsaturated, an aromatic group with 3 to 6 chain members, which is linked directly or via a C1 to C6 alkyl or C2 to C6 alkylene group, whereby the mentioned groups can carry one or more substituents. Ar represents C6 to C10 aryl or hetaryl with 5 to 10 ring members, whereby the mentioned groups can be substituted by C1 to C6 alkyl, C1 to C4 halogenalkyl, NR10R11, COOR6, Si(R7)3Si(R7)2R8, OR3 and/or halogen. The invention also relates to a method for producing this new class of metal transition complexes and their use as catalysts.

La présente invention concerne des complexes de métaux de transition N-acylamidine N'-substitués, représentés par la formule (I) dans laquelle M est un métal de transition choisi dans le groupe des métaux Ni, Cu, Ru, Rh, Pd, Os, Ir et Pt ; X est Cl, Br, triflate, méthane sulfonate ou p-toluol sulfonate ; m est 0, 1, ou 2 ; n est 1, 2, ou 3 ; les restes R?1¿ et R?2¿ sont un reste d'hydrocarbure linéaire ou ramifié, cyclique, portant 1 à 30 atomes de carbone, pouvant être monoinsaturé ou polyinsaturé, ou un reste aromatique portant 3 à 6 éléments de cycle, lié directement ou par l'intermédiaire d'un groupe C¿1?- à C¿6?-alkyle ou C¿2?- à C¿6?-alkylène, lesdits restes pouvant porter un ou plusieurs substituants ; et, Ar est C¿6?- à C¿10?-aryle ou hetaryle portant 5 à 10 éléments de cycle, lesdits restes pouvant être substitués par C¿1?- à C¿4?-halogénoalkyle, NR?10¿R?11¿, COOR?6¿, Si(R?7¿)¿3?Si(R?7¿)¿2?R?8¿, OR?3¿ et/ou halogène. L'invention concerne également un procédé de fabrication desdits complexes de métaux de transition et leur utilisation en tant que catalyseurs.

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