Class 556/23 - Hydrogen or halogen bonded directly to the heavy metal

Subclass of Class 556 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein hydrogen or halogen is bonded directly
No. of patents: 173
Last issue date: 06/01/2010

«First «Previous1 2 3 4 5 Next»Last»

Number	Title	Issue Date
7728160	Diimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization Novel α-diimine metal complexes, particularly iron complexes are disclosed. The α-diimine metal complexes are produced by forming one of the α-diimine metal complex imine bonds in the presence of a metal salt or an α-acylimine metal complex. α-diimine metal com...	06/01/2010
7728161	Diimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization Methods for making α-diimine metal complexes are described. The methods comprise forming an α-diimine metal complex imine bond in the presence of a metal salt or an α-acylimine metal complex. The method is particularly using for the production of α-diimine metal...	06/01/2010
7361776	Zero-valent transition metal complex and method for producing an organometallic compound using the same as a starting material The present invention relates to a zero-valent transition metal complex which can be used as a starting material for producing a catalyst usable for producing a polyolefin by ring-opening metathesis polymerization of an olefin and an epothilone by ring-closing metat...	04/22/2008
7348290	Arene-ruthenium complexes immobilized on polymers, catalysts consisting of the complexes, and processes for organic syntheses with the same A novel polymer-supported arene-ruthenium complex represented by the following formula: , wherein A represents an organic polymer with a side chain containing an aromatic ring coordinated to Ru, X1 and X2	03/25/2008
7276616	Phosphorous containing ligands for metathesis catalysts The use of a phosphorus containing Ligand as a Ligand for a metathesis catalyst in a catalysed metathesis reaction wherein the phosphorus containing Ligand is a heterocyclic organic compound with a ligating phosphorus atom as an atom in the heterocyclic ring structu...	10/02/2007
7271121	Diimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization Methods for making α-diimine metal complexes are described. The methods comprise forming an α-diimine metal complex imine bond in the presence of a metal salt or an α-acylimine metal complex. The method is particularly using for the production of α-diimine metal...	09/18/2007
7268096	Diimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization Novel α-diimine metal complexes, particularly iron complexes are disclosed. The α-diimine metal complexes are produced by forming one of the α-diimine metal complex imine bonds in the presence of a metal salt or an α-acylimine metal complex. α-diimine metal com...	09/11/2007
7198730	Phosphorescent material A luminescent organometallic complex composition of matter, a method of preparing this composition of matter, and an electronic device built with this composition of matter. The composition includes: at least one transition metal t...	04/03/2007
7101959	Polymerization catalysts A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts. ...	09/05/2006
7094898	Ruthenium compounds, their production and use A new class of compounds is disclosed that in preferred embodiments relate to Ru-based catalysts suitable for use in olefin metathesis reactions. Such compounds demonstrate high rates of catalytic turnover in comparison with other Ru catalysts known in the art. More...	08/22/2006
7081533	Cycloaliphatic/aromatic diphosphines and use thereof in catalysis The present invention concerns novel unsymmetrical chiral diphosphines of a mixed aliphatic-aromatic type and processes for synthesizing them, complexes of these compounds and their use as catalysts. ...	07/25/2006
7019158	Chiral organometallic compounds for use in asymmetric synthesis Chiral organometallic compounds are provided which comprise certain non-symmetrically substituted cyclopentadiene complexed to a transition metal. The cyclopentadiene has a second coordinating group which also complexes the transition metal and is attached to the cy...	03/28/2006
6927262	Bridged biphospholes and metallocenes prepared therefrom The invention relates to novel bridged biphosphole ligands according to the general formula: where R2, R3, R4 are chosen from hydrogen, alkyl, aryl or silyl, R1 is chosen fro...	08/09/2005
6909009	Alkane and alkane group dehydrogenation with organometallic catalysts Novel polynuclear organometallic complexes useful as catalysts for the reversible deshydrogenation of alkanes and alkane group are disclosed. The novel compounds comprise a first transition, a second transition metal p-bonded to an ?5-aromatic ligand, and a pincer l...	06/21/2005
6887820	Method for producing optically active compounds A method for producing optically active compounds is disclosed. The method is highly practical for producing optically active compounds useful for various utilities such as intermediates for synthesizing pharmaceutical agents, liquid crystal materials and agents for...	05/03/2005
6888017	Metallocene compositions This invention relates to bridged indenyl metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The bridge may be represented by the formula:	05/03/2005
6884859	Ring-opening metathesis polymerization of bridged bicyclic and polycyclic olefins containing two or more heteroatoms A method is provided for synthesizing a polymer in a controlled fashion using a ring-opening metathesis polymerization (ROMP) reaction, wherein polymerization is carried out using a catalytically effective amount of an olefin metathesis catalyst and a bridged bicycl...	04/26/2005
6878665	Diphosphines, their complexes with transisition metals and their use in asymmetric synthesis The invention relates to novel diphosphines, in optically pure or racemic form, of formula (I): in which: R1 and R2 are a (C5-C7)cycloalkyl...	04/12/2005
6844442	Method for the preparation of metal carbene complexes The present invention provides a process for preparing a metal carbene complex of formula (I): wherein M is a transition metal atom selected from the group consisting of ruthenium, rhodium, iron, cobalt, osmium and iridium; L denotes neutral donor ligands ligated to...	01/18/2005
6800701	Polycyclic, fused ring compounds, metal complexes and polymerization process Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring other than a 6-...	10/05/2004
6794525	Optically active chiral diphosphine ligands An (R) or (S) chiral diphosphine of formula (I): wherein R and R1, which can be identical or different, represent an optionally saturated C1-10 alkyl group, an optionally saturated C3-9 cycloalkyl g...	09/21/2004
6774254	Gold complexes Novel phosphino-gold (I) compounds, a process for their preparation, pharmaceutical compositions containing such phosphino-gold (I) compounds and their use in the treatment of cancer disease are disclosed. ...	08/10/2004
6716787	Polymerisation catalyst A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts. ...	04/06/2004
6683198	Group(III)-metal-hydrides with a guanidino-type ligand A compound of formula (I) ##STR1## wherein X is aluminium, gallium or indium; each Y, which may be the same or different, is nitrogen or phosphorus; R1 and R2, which may be the same or different, are hydrogen, halogen or alkyl...	01/27/2004
6613910	One-pot synthesis of group 8 transition metal carbene complexes useful as olefin metathesis catalysts The invention provides a novel method for synthesizing transition metal carbene complexes useful as olefin metathesis catalysts. The method is a convenient one-pot synthesis in which transition metal carbenes are prepared in high yield from readily availa...	09/02/2003
6613923	Catalytic ionic hydrogenation of ketones using tungsten or molybdenum catalysts with increased lifetimes The present invention is a process for the catalytic hydrogenation of ketones and aldehydes to alcohols at low temperatures and pressures using organometallic molybdenum and tungsten complexes and the catalyst used in the process. The reactants include a ...	09/02/2003
6613921	Polycyclic, fused ring compounds, metal complexes and polymerization process Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring othe...	09/02/2003
6596887	Process for producing an optically active ruthenium-phosphine complex and process for producing an optically active alcohol by using the complex Provided is a process for preparing an optically active ruthenium-phosphine complex represented by the following formula (1): ##STR1## wherein L represents a bidentate ligand compound of a tertiary phosphine; X represents a halogen atom; and * means chira...	07/22/2003
6559326	Substituted phosphinophenoxide-metal complexes for the polymerization of olefins Metal complexes obtainable from a metal precursor of a metal of the 6th -10th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, ##STR1## where the radicals are defined as follows: R1	05/06/2003
6544918	Olefin polymerization catalysts containing chelating dianionic ligands A catalyst system useful for polymerizing olefins is disclosed. The catalyst system comprises an activator and a complex that incorporates a Group 3 to 10 transition metal and at least one chelating dianionic bis(allyl) or bis(benzyl) ligand. The ligands ...	04/08/2003
6515156	METHOD FOR PRODUCING AXIAL ASYMMETRIC COMPOUNDS, INTERMEDIATES FOR PRODUCING THE SAME, COMPLEXES OF TRANSITION METALS WITH NOVEL AXIAL ASYMMETRIC COMPOUNDS AS THE LIGANDS, CATALYSTS FOR ASYMMETRIC HYDROGENATION, AND CATALYSTS FOR FORMING ASYMMETRIC CARBON-CARBON BONDS The invention provides a metal complex comprising a ligand and a metal. The ligand is an aminophosphine compound represented by the following formula (1) ##STR1## [Each Ar represents an aryl group optionally substituted with a halogen atom, a lower a...	02/04/2003
6515157	Ferrocenyldiphosphine-ruthenium complexes and a hydrogenation process of exocyclic double bond of d-thiophene to d-thiophane Ferrocenyldiphosphin-ruthenium complexes are new and good catalysts for the hydrogenation of exocyclic double bond of d-Thiophene 3 to d-Thiophane 4, both of which are intermediates of D-Biotin 1 synthesis. ##STR1## in which R signifies --OCH3 ...	02/04/2003
6508753	Chiral ligands for asymmetric catalysis A novel phosphine ligand is an enantiomerically enriched compound of formula 5 ##STR1## or the opposite enantiomer thereof, wherein Ar1 and Ar2 represent the same or different aromatic groups of up to 20 C atoms. A transition me...	01/21/2003
6504041	Synthesis of ruthenium or osmium metathesis catalysts The present invention relates to the synthesis of highly active ruthenium and osmium carbene metathesis catalyst in good yield from readily available starting materials. The catalysts that may be synthesized are of the general formula ##STR1## wherei...	01/07/2003
6500975	Cationic ruthenium complexes, their production and their use Cationic ruthenium complexes of the formula A or B or mixtures containing them, ##STR1## where B may be stabilized by a further ligand L4 and X is an anion which does not coordinate or coordinates weakly to the metal center, Y is a monodentate ...	12/31/2002
6486337	Ruthenium-disphosphine complexes and their use as catalysts The present invention concerns novel complexes, suitable in particular for use as catalysts in the asymmetric hydrogenation of ketones, of formula 1 ##STR1## or a diastereoisomer thereof, wherein each Ar is an aromatic or heteroaromatic group of up to 20 atoms...	11/26/2002
6469169	Water soluble palladium complexes and process for the preparation thereof The invention provides a water soluble palladium complex of the general formula I ##STR1## wherein R1, R2, R3 are substituents on phosphine ligands selected from the group consisting of hydrogen, alkyl, arylalkyl, and ...	10/22/2002
6451724	Metallocenes and catalysts for olefin-polymerisation A class of metallocenes of formula (I): (ZR1m)n (Cp)(A)r MLp L'q (I) wherein (ZR1m)n, is a divalent group bridging Cp and A, Cp is a heterocyclic cyclopentadieny...	09/17/2002
6403772	Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom New metallocene compounds are described where the ligand contains at least one open-pentadienyl containing radical characterized by a cyclic or acyclic, six π electron, delocalized, five atomic center structure. These metallocenes can advantageously be u...	06/11/2002
6380412	Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof The present invention relates to optically active diphosphines. It is also targeted at their preparation according to a process for the resolution of the racemic mixture of the said phosphines to optically active isomers. The subject of the invention is n...	04/30/2002

«First «Previous1 2 3 4 5 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 556/23 - Hydrogen or halogen bonded directly to the heavy metal