Class / Patent application number | Description | Number of patent applications / Date published |
548103000 | The metal is bonded directly to carbon, which carbon is a ring carbon of the five-membered hetero ring or which carbon is attached directly or indirectly to the five-membered hetero ring by nonionic bonding | 68 |
20080200686 | Method for the Isomerisation of Transition Metal Complexes Containing Cyclometallated, Carbene Ligands - The present invention relates to a process for converting an isomerically pure compound C | 08-21-2008 |
20080207911 | ALKYLIDENE COMPLEXES OF RUTHENIUM CONTAINING N-HETEROCYCLIC CARBENE LIGANDS; USE AS HIGHLY ACTIVE, SELECTIVE CATALYSTS FOR OLEFIN METATHESIS - The invention relates to a complex of ruthenium of the structural formula I, | 08-28-2008 |
20080275247 | SULPHUR-CONTAINING METATHESIS CATALYSTS - The present invention relates to novel transition metal complexes of the formula (I) | 11-06-2008 |
20080319199 | Preparation of Catalysts - The present invention discloses a novel synthesis method for a catalyst of formula 6, wherein Mes has the meaning of mesityl. | 12-25-2008 |
20090124812 | Ferrocenediphosphines - Compounds of the formula I in the form of enantiomerically pure diastereomers or a mixture of diastereomers, (I), where the radicals R | 05-14-2009 |
20090143596 | Supramolecular Assemblies and Building Blocks - The present invention generally relates to supramolecular assemblies and their modes of synthesis. The supramolecular assemblies include a 1:8 ratio of a supermolecular polyhedral building block and a triangular molecular building block, the supermolecular polyhedral building block having points of extension corresponding to the vertices of a rhombicuboctahedron for linking the supermolecular polyhedral building block to the triangular building block. | 06-04-2009 |
20090203917 | ORGANOMETALLIC COMPOUNDS, PROCESSES FOR THE PREPARATION THEREOF AND METHODS OF USE THEREOF - This invention relates to organometallic compounds having the formula L | 08-13-2009 |
20090326236 | METALLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME - The present invention relates to a light emitting binuclear transition metal compound of Chemical Formulae 1 and 2, and an organic electroluminescence device including the compound. In the Chemical Formulae 1 and 2, M is selected from Ir, Pt, Rh, Re, and Os, and m is 2, provided that the m is 1 when M is Pt. | 12-31-2009 |
20090326237 | USE OF PT-AND PD-BIS-AND TETRA-CARBON COMPLEXES WITH BRIDGED CARBON LIGANDS IN OLEDS - The use of Pt- and Pd-bis- and tetracarbene complexes with bridged carbene ligands in organic light-emitting diodes, organic light-emitting diodes comprising at least one aforementioned Pt- or Pd-carbene complex, at least one transition metal-carbene complex of the general formula I and/or II, organic light-emitting diodes where the at least one transition metal-carbene complex of the general formula I and/or II is present in the light-emitting layer, a blocking layer for electrons, a blocking layer for excitons and/or a blocking layer for holes, a light-emitting layer comprising at least one aforementioned Pt- or Pd-carbene complex, organic light-emitting diodes comprising at least one inventive light-emitting layer, and devices which comprise at least one inventive organic light-emitting diode. | 12-31-2009 |
20100036131 | N-HETEROCYCLIC CARBENE-AMIDO PALLADIUM(II) CATALYSTS AND METHOD OF USE THEREOF - A new N-heterocyclic catalyst system which contains N-heterocyclic carbene and amido as ligands, which are strongly bound to a palladium metal. Another heteroatom functionality can be used as a third ligand L. The NHC-amidate ligand system is unique in structure, and shows excellent reactivities in a number of chemical reactions. The chemical reactions include carbon-carbon and carbon-heteroatom (oxygen and nitrogen) bond formations, and oxidation reactions of saturated carbon chemicals via C—H activation. | 02-11-2010 |
20100113795 | NOVEL METATHESIS CATALYSTS - The present invention relates to novel compounds of the formula 1, their preparation, intermediates for the preparation and the use of the compounds of the formula 1 | 05-06-2010 |
20100137608 | POLY-N-HETEROCYCLIC CARBENE TRANSITION METAL COMPLEXES AND N-HETEROCYCLIC CARBENE TRANSITION METAL COMPLEXES FOR CARBON-SULFUR AND CARBON-OXYGEN COUPLING REACTIONS - Methods for carbon-sulfur (C—S) or carbon-oxygen (C—O) coupling reactions are provided. The methods involve the use of a transition metal complex comprising a heterocyclic carbene ligand complexed with a transition metal. Transition metal complexes comprising a heterocyclic carbene ligand complexed with nickel are also provided. The nickel heterocylic carbene complexes may be used for C—S or C—O coupling reactions. | 06-03-2010 |
20100160642 | Catalyst Complex With Carbene Ligand - Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbine ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation. The complexes are designed to efficiently carry out a variety of olefin metathesis reactions. | 06-24-2010 |
20100286403 | PROCESS FOR THE PREPARATION A RUTHENIUM COMPLEX - The invention relates to a novel process for the preparation of Ruthenium metathesis catalysts of the formula | 11-11-2010 |
20100317866 | IMIDAZOLE GROUP-CONTAINING PHOSPHORUS COMPOUNDS - The present invention relates to phosphorus compounds containing imidazole groups, to optically active ligands prepared using them, to transition metal complexes which comprise such ligands, and to catalysts which comprise such transition metal complexes. The present invention further relates to the particular processes for preparing the phosphorus compounds, the optically active ligands, the transition metal complexes and the catalysts, and also to the use of the catalysts for organic transformation reactions. | 12-16-2010 |
20110015401 | Metal-Catalyzed Carbon-Fluorine Bond Formation - One aspect of the invention relates to a metal-catalyzed conversion of aryl halides and sulfonates to the corresponding aryl fluorides. Another aspect of the invention relates to a metal-catalyzed conversion of heteroaryl halides and sulfonates to the corresponding heteroaryl fluorides. Another aspect of the invention relates to a metal-catalyzed conversion of vinyl halides and sulfonates to the corresponding vinyl fluorides. In certain embodiments, simple fluoride sources, such as AgF and CsF, are used. In certain embodiments, the transformations tolerate a wide range of functional groups, allowing for introduction of fluorine atoms into highly functionalized organic molecules. | 01-20-2011 |
20110015402 | RECIRCULATING REACTOR - The invention provides a recirculating reactor for converting a substrate to a product. The reactor comprises a reaction chamber and a recirculation system, said recirculation system comprising a separator. The reaction chamber contains a catalyst, and comprises a chamber body, a chamber inlet and a chamber outlet. The recirculation system is adapted for recirculating liquid from the chamber outlet to the chamber inlet, and the separator is used for separating a by-product from the liquid. | 01-20-2011 |
20110034699 | USE IN OLEDS OF TRANSITION METAL CARBENE COMPLEXES THAT CONTAIN NO CYCLOMETALLATION VIA NON-CARBENES - The present invention relates to the use of transition metal-carbene complexes, in which the carbene ligand(s) is bonded to the transition metal exclusively via carbene carbon atoms, in organic light-emitting diodes, to organic light-emitting diodes comprising at least one aforementioned transition metal-carbene complex, to a light-emitting layer comprising at least one aforementioned transition metal-carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode. | 02-10-2011 |
20110040099 | METHOD FOR MANUFACTURING RUTHENIUM CARBENE COMPLEXES - A method of manufacturing ruthenium carbene complexes and novel aryl alkylidene ruthenium complexes based on the method, the complexes able to used as catalysts in metathesis reactions. | 02-17-2011 |
20110065925 | Process for the preparation of bidentate schiff base ruthenium catalysts containing a salicylaldimine-type ligand - The invention relates to a process for the preparation of bidentate Schiff base catalysts containing a salicylaldimine-type ligand. | 03-17-2011 |
20110112302 | Metathesis Catalysts and Processes for Use Thereof - This invention relates to a metathesis catalyst compound comprising an asymmetrically substituted N-heterocyclic carbene (NHC) metathesis catalyst and a process to make linear alpha-olefins comprising contacting a feed material and an optional alkene (such as ethylene) with said catalyst, where the feed material is a triacylglyceride, fatty acid, fatty acid alkyl ester, and/or fatty acid ester, typically derived from biodiesel. | 05-12-2011 |
20110137043 | Process for the preparation of bidentate schiff base ruthenium catalysts containing a salicylaldimine-type ligand - The invention relates to a process for the preparation of bidentate Schiff base catalysts containing a salicylaldimine-type ligand. | 06-09-2011 |
20110251400 | Preparation of Dphenyl-Bridged Substituted Cyclopentadienyil-Fluorenyl Ligands - The present invention discloses efficient methods for preparing substituted cyclopentadienyl-fluorenyl catalyst components having a diphenyl bridge. | 10-13-2011 |
20110282068 | ALKYLIDENE COMPLEXES OF RUTHENIUM CONTAINING N-HETEROCYCLIC CARBENE LIGANDS; USE AS HIGHLY ACTIVE, SELECTIVE CATALYSTS FOR OLEFIN METATHESIS - The invention relates to a complex of ruthenium of the structural formula I, | 11-17-2011 |
20120004418 | Catalyst Complex With Carbene Ligand - Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbine ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation. The complexes are designed to efficiently carry out a variety of olefin metathesis reactions. | 01-05-2012 |
20120108819 | N-Heterocyclic Carbene Complexes, Their Preparation And Use - Described are N-heterocyclic carbene complexes of the formula I, | 05-03-2012 |
20120309979 | PHOSPHORESCENT MATERIAL, THEIR PREPARATIONS AND APPLICATIONS - The subject invention is directed to tetradentate bis-(NHC carbenes) alkylene ligand Pt(II) complexes, tetradentate bis-(NHC carbenes) alkylene ligands, and its ligand precursors, for preparation of the Pt(II) complexes. The Pt(II) complexes show a deep blue emission with an improved quantum efficiency and can be used for fabrication of OLEDs with an electroluminescence layer that comprise the bis-(NHC carbenes) alkylene ligand Pt(II) complexes. | 12-06-2012 |
20120309980 | ORGANIC ELECTROLUMINESCENCE DEVICE - A compound is represented by the following formula (I): | 12-06-2012 |
20120330024 | RADIOACTIVE IODINE LABELED ORGANIC COMPOUND OR SALT THEREOF - The present invention is a compound represented by the following formula (1) or a salt thereof. Furthermore, the present invention is an imaging agent used for imaging a tau protein, the imaging agent containing a compound represented by the formula (1) below or a salt thereof. In the formula (1), R | 12-27-2012 |
20130023665 | NOVEL OLEFIN METATHESIS CATALYSTS - The present invention refers to novel ruthenium- and osmium-based catalysts for olefin metathesis reactions, particularly to catalysts having stereoselective properties. Z-selectivity is obtained by utilising two mono-anionic ligands of very different steric requirement. In olefin metathesis reactions these catalysts selectively provide the Z-isomer of disubstituted olefinic products. | 01-24-2013 |
20130035494 | Process for Preparation of Ruthenium-Based Carbene Catalysts with Chelating Alkylidene Ligands - The invention relates to a method for preparation of ruthenium-based carbene catalysts with chelating alkylidene ligands (so-called “Hoveyda-type catalysts”) in a cross metathesis reaction by reacting a ruthenium-alkylidene complex with an olefin derivate in the presence of a polymer-supported cation-exchange resin (PSR) acting as a ligand (i.e. phosphine or amine) scavenger. Preferably, penta-coordinated ruthenium benzylidene or indenylidene carbene complexes are employed. The polymer-supported cation-exchange resin (PSR) may be an acidic resin (comprising sulfonic acid or carboxylic groups) or a resin containing carboxylic acid chloride (—COCl) groups or sulfonyl chloride (—SO | 02-07-2013 |
20130096313 | METHODS FOR PREPARING RUTHENIUM CARBENE COMPLEX PRECURSORS AND RUTHENIUM VINYLCARBENE COMPLEXES - A method for preparing a ruthenium carbene complex precursor includes reacting a ruthenium refinery salt with a hydrogen halide to form a ruthenium intermediate, and reacting the ruthenium intermediate with an L-type ligand to form the ruthenium carbene complex precursor. A method for preparing a ruthenium vinylcarbene complex includes converting a ruthenium carbene complex precursor into a ruthenium hydrido halide complex, and reacting the ruthenium hydrido halide complex with a propargyl halide to form the ruthenium vinylcarbene complex. A method for preparing a ruthenium carbene complex includes converting a ruthenium carbene complex precursor into a ruthenium carbene complex having a structure (PR | 04-18-2013 |
20130096314 | METHODS FOR PREPARING RUTHENIUM CARBENE COMPLEX PRECURSORS AND RUTHENIUM CARBENE COMPLEXES - A method for preparing a ruthenium carbene complex precursor includes reacting a ruthenium refinery salt with a hydrogen halide to form a ruthenium intermediate, and reacting the ruthenium intermediate with an L-type ligand to form the ruthenium carbene complex precursor. A method for preparing a ruthenium vinylcarbene complex includes converting a ruthenium carbene complex precursor into a ruthenium hydrido halide complex, and reacting the ruthenium hydrido halide complex with a propargyl halide to form the ruthenium vinylcarbene complex. A method for preparing a ruthenium carbene complex includes converting a ruthenium carbene complex precursor into a ruthenium carbene complex having a structure (PR | 04-18-2013 |
20130165661 | IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS - The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are | 06-27-2013 |
20130172568 | Chelating Carbene Ligand Precursors and Their Use in the Synthesis of Metathesis Catalysts - Chelating ligand precursors for the preparation of olefin methathesis catalysts are disclosed. The resulting catalysts are air stable monomeric species capable of promoting various methathesis reactions efficiently, which can be recovered from the reaction mixture and reused. Internal olefin compounds, specifically beta-substituted styrenes, are used as ligand precursors. Compared to terminal olefin compounds such as unsubstituted styrenes, the beta-substituted styrenes are easier and less costly to prepare, and more stable since they are less prone to spontaneous polymerization. Methods of preparing chelating-carbene methathesis catalysts without the use of CuCl are disclosed. This eliminates the need for CuCl by replacing it with organic acids, mineral acids, mild oxidants or even water, resulting in high yields of Hoveyda-type methathesis catalysts. The invention provides an efficient method for preparing chelating-carbene metathesis catalysts by reacting a suitable ruthenium complex in high concentrations of the ligand precursors followed by crystallization from an organic solvent. | 07-04-2013 |
20130197235 | Hybrid Zeolitic Imidazolate Frameworks: Controlling Framework Porosity and Functionality by a Mixed-Ligand Synthetic Approach - Metal-organic frameworks, in particular hybrid zeolitic imidazolate frameworks (ZIFs), devices having hybrid ZIFs, and methods for preparing hybrid ZIFs are disclosed herein. In some embodiments, the method includes preparing a first solution comprising a first imidazolate and a second imidazolate, preparing a second solution comprising a metal ion, and combining the first solution and the second solution to form the hybrid ZIF. | 08-01-2013 |
20130211096 | Novel Metathesis Catalysts - There is disclosed compounds of formula 1, their preparation, intermediates for the preparation and the use of the compounds of the formula 1 | 08-15-2013 |
20130231487 | ORGANIC ELECTROLUMINESCENT MATERIAL CONTAINING IRIDIUM, PREPARATION METHOD THEREOF AND ORGANIC ELECTROLUMINESCENT ELEMENT - Organic electroluminescent material containing iridium of the following general formula, in which R is C | 09-05-2013 |
20130261311 | BIOTIN STANNANE FOR HPLC-FREE RADIOIODINATION - The present teachings provide methods that enable the preparation and purification of radioiodinated vectors without the need for HPLC purification, as well as novel precursors which include biotin-like substituents useful in such methods. | 10-03-2013 |
20130261312 | SUPPORTED OLEFIN METATHESIS CATALYSTS - Supported olefin metathesis catalysts are disclosed, and more particularly, a supported catalyst complex comprising a catalyst composed of a Group 8 transition metal complex comprising a labile ligand and a non-labile ligand and a support, wherein the metal complex and the support are linked together by one or more linkers, in which one of the linkers connects the labile ligand of the complex to the support and the same or a different linker connects the non-labile ligand of the complex to the support. A method for preparing a supported catalyst complex is further disclosed. The invention further relates to the use of the supported olefin metathesis catalyst in performing metathesis reactions. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and industrial and fine chemicals chemistry. | 10-03-2013 |
20130303776 | LUMINESCENT MATERIAL, AND ORGANIC LIGHT-EMITTING ELEMENT, WAVELENGTH-CONVERTING LIGHT-EMITTING ELEMENT, LIGHT-CONVERTING LIGHT-EMITTING ELEMENT, ORGANIC LASER DIODE LIGHT-EMITTING ELEMENT, DYE LASER, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAME - A luminescent material includes transition metal complex comprising a ligand in which an electron density of a p orbital of a highest occupied molecular orbital level is higher than 0.239 and lower than 0.711 when the electron density is calculated according to quantum chemical calculation (Gaussian09/DFT/RB3LYP/6-31G), the p orbital being in the outermost shell of an element coordinated to the metal. | 11-14-2013 |
20130303777 | LUMINESCENT MATERIAL, AND ORGANIC LIGHT-EMITTING ELEMENT, WAVELENGTH-CONVERTING LIGHT-EMITTING ELEMENT, LIGHT-CONVERTING LIGHT-EMITTING ELEMENT, ORGANIC LASER DIODE LIGHT-EMITTING ELEMENT, DYE LASER, DISPLAY DEVICE, AND ILLUMINATION DEVICE USING SAME - A luminescent material includes a transition metal complex which comprises any one of Ir, Os, and Pt as a central metal; and at least one of a carbene ligand and a silylene ligand. The carbene ligand includes a boron atom in a skeleton thereof. The carbene ligand is neutral or monoanionic. The carbene ligand is monodentate, bidentate, or tridentate. The silylene ligand includes a boron atom in a skeleton thereof. The silylene ligand is neutral or monoanionic. The silylene ligand is monodentate, bidentate, or tridentate. | 11-14-2013 |
20130310568 | METHOD FOR LINKING TWO OR MORE METALS FOR PHOTO AND ELECTRONIC MATERIALS - Embodiments of the invention are directed to bimetallic substituted triazole compounds and methods to prepare the compounds. The compounds include at least one 1,2,3-triazole that is substituted by two metal ions in the 1 and 4 or 5 position of the triazole ring. An iClick reaction between a metal acetylide and a metal azide results in the bimetallic substituted triazole ring. Depending on the metal acetylide and a metal azide used monomeric bimetallic substituted triazole compounds, oligomeric bimetallic triazole compounds, or polymeric bimetallic triazole compounds are formed. Polymeric bimetallic triazole compounds can be linear, branched, ladder, two-dimensional network, or three-dimensional networks. | 11-21-2013 |
20130338370 | METHOD FOR MANUFACTURING RUTHENIUM CARBENE COMPLEXES - The invention is directed to aryl alkylidene ruthenium complexes and the use of these complexes as catalysts in metathesis reactions. | 12-19-2013 |
20130345431 | Alkene Aziridination - Disclosed are metal-bound tetracarbene catalysts, such as iron based aziridination catalyst, having the formula: | 12-26-2013 |
20140005408 | METAL COMPLEXES, THEIR APPLICATION AND METHODS OF CARRYING OUT OF METATHESIS REACTION | 01-02-2014 |
20140066628 | Platinum (II) Di (2-Pyrazolyl) Benzene Chloride Analogs and Uses - Synthesis of platinum(II) di(2-pyrazolyl)benzene chloride and analogs includes forming a 1,3-di-substituted benzene including two aromatic five-membered heterocycles, and reacting the 1,3-di-substituted benzene with an acidic platinum-containing solution to form a luminescent platinum(II) complex. The luminescent platinum(II) complex is capable of emitting blue and white light and can be used as an emitter in a light emitting device. | 03-06-2014 |
20140073798 | IRIDIUM COMPLEXES DEMONSTRATING BROADBAND EMISSION THROUGH CONTROLLED GEOMETRIC DISTORTION AND APPLICATIONS THEREOF - Iridium compounds and their uses are disclosed herein. For example, carbazole containing iridium compounds are disclosed. The compounds are useful in many devices, including, but not limited to, electroluminescent devices. | 03-13-2014 |
20140094612 | IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS - The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are | 04-03-2014 |
20140309428 | USE OF TRANSITION METAL CARBENE COMPLEXES IN ORGANIC LIGHT-EMITTING DIODES (OLEDS) - The present invention relates to the use of transition metal-carbene complexes in organic light-emitting diodes (OLEDs), to a light-emitting layer, to a blocking layer for electrons or excitons, or to a blocking layer for holes, each comprising these transition metal-carbene complexes, to OLEDs comprising these transition metal-carbene complexes, to devices which comprise an inventive OLED, and to transition metal-carbene complexes. | 10-16-2014 |
20140323737 | METHODS FOR PREPARING RUTHENIUM CARBENE COMPLEX PRECURSORS AND RUTHENIUM CARBENE COMPLEXES - A method for preparing a ruthenium carbene complex precursor includes reacting a ruthenium refinery salt with a hydrogen halide to form a ruthenium intermediate, and reacting the ruthenium intermediate with an L-type ligand to form the ruthenium carbene complex precursor. A method for preparing a ruthenium vinylcarbene complex includes converting a ruthenium carbene complex precursor into a ruthenium hydrido halide complex, and reacting the ruthenium hydrido halide complex with a propargyl halide to form the ruthenium vinylcarbene complex. A method for preparing a ruthenium carbene complex includes converting a ruthenium carbene complex precursor into a ruthenium carbene complex having a structure (PR | 10-30-2014 |
20140371462 | METHOD FOR PREPARATION OF RUTHENIUM-BASED METATHESIS CATALYSTS WITH CHELATING ALKYLIDENE LIGANDS - The invention relates to a method for preparation of ruthenium-based carbene catalysts with a chelating alkylidene ligand (“Hoveyda-type catalysts”) by reacting a penta coordinated ruthenium (II)-alkylidene complex of the type (1) (Py)X1X2Ru(alkylidene) with a suitable olefin derivative in a cross metathesis reaction. The method delivers high yields and is conducted preferably in aromatic hydrocarbon solvents. The use of phosphine-containing Ru carbene complexes as starting materials can be avoided. Catalyst products with high purity, particularly with low Cu content, can be obtained. | 12-18-2014 |
20150018557 | CATALYST COMPLEX WITH CARBENE LIGAND - Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbene ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation. The complexes are designed to efficiently carry out a variety of olefin metathesis reactions. | 01-15-2015 |
20150018558 | Platinum (II) Di (2-Pyrazolyl) Benzene Chloride Analogs and Uses - Synthesis of platinum(II) di(2-pyrazolyl)benzene chloride and analogs includes forming a 1,3-di-substituted benzene including two aromatic five-membered heterocycles, and reacting the 1,3-di-substituted benzene with an acidic platinum-containing solution to form a luminescent platinum(II) complex. The luminescent platinum(II) complex is capable of emitting blue and white light and can be used as an emitter in a light emitting device. | 01-15-2015 |
20150038723 | ALKYLIDENE COMPLEXES OF RUTHENIUM CONTAINING N-HETEROCYCLIC CARBENE LIGANDS; USE AS HIGHLY ACTIVE, SELECTIVE CATALYSTS FOR OLEFIN METATHESIS - Akylidene complexes of ruthenium containing N-heterocyclic carbene ligands and their use as highly active, selective catalysts for olefin metathesis | 02-05-2015 |
20150038724 | IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS - The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are of the formula | 02-05-2015 |
20150045558 | RUTHENIUM-BASED METATHESIS CATALYSTS AND PRECURSORS FOR THEIR PREPARATION - The invention is directed to ruthenium-based metathesis catalysts of the Hoveyda-Grubbs type. The new N-chelating diarylamino-based ruthenium catalysts described herein are stable in solid state and in solution and reveal rapid initiation behavior. Further, the corresponding N-substituted styrene precursor compounds are disclosed. The catalysts are prepared in a cross-metathesis reaction starting from N-substituted styrene precursors. The new Hoveyda-Grubbs type catalysts are suitable to catalyze ring-closing metathesis (RCM), cross metathesis (CM) and ring-opening metathesis polymerization (ROMP). Low catalyst loadings are sufficient to convert a wide range of substrates via metathesis reactions. | 02-12-2015 |
20150057450 | RUTHENIUM-BASED COMPLEX CATALYSTS - The present invention provides novel Ruthenium-based transition metal complex catalysts comprising specific ligands, their preparation and their use in hydrogenation processes. Such complex catalysts are inexpensive, thermally robust, and olefin selective. | 02-26-2015 |
20150065722 | FUSED THIOPHENE DITIN MONOMERS - The disclosure relates to thiophene-based ditin compounds and methods of making and using such compounds. The disclosed compounds are novel structures having organotin groups on a conjugated aryl group spaced from and adjacent to a fused thiophene moiety. The formation of trialkyl tin groups spaced away from the fused thiophene moieties is advantageous in that it allows for novel polymerization via Stille coupling. | 03-05-2015 |
20150073152 | TRANSITION METAL COMPLEXES WITH CARBENE LIGANDS AS EMITTERS FOR ORGANIC LIGHT-EMITTING DIODES (OLEDS) - Use of transition metal complexes of the formula (I) in organic light-emitting diodes | 03-12-2015 |
20150080581 | MULTICOORDINATED METAL COMPLEXES FOR USE IN METATHESIS REACTIONS - Improved catalysts useful in alkyne or olefin metathesis are made by bringing into contact a multi-coordinated metal complex comprising a multidentate Schiff base ligand, and one or more other ligands, with a selected activating compound under conditions such that at least partial cleavage of a bond between the metal and the multidentate Schiff base ligand of said metal complex occurs. | 03-19-2015 |
20150126744 | Metal Complexes, Their Application and Methods of Carrying out of Metathesis Reaction - This disclosure relates to new metal complexes, such as compounds of Formula 1, and their application in olefin or alkyne metathesis and to methods of carrying out olefin metathesis reactions. | 05-07-2015 |
20150315223 | Ruthenium Complexes Comprising an Asymmetrical Unsaturated N-Heterocyclic Diaminocarbene - The invention relates to a ruthenium alkylidene complex comprising a 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand, the cycloalkyl group of said 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand being a cyclic secondary aliphatic alkyl. | 11-05-2015 |
20160028028 | Tetradentate Platinum (II) Complexes Cyclometalated With Functionalized Phenyl Carbene Ligands And Their Analogues - Tetradentate platinum complexes of Formulas I and II suitable for phosphorescent or delayed fluorescent and phosphorescent emitters in display and lighting applications. | 01-28-2016 |
20160145282 | METAL COMPLEX INCLUDING TRIDENTATE AMINODICARBENE LIGAND AND HYDROGENATION REDUCTION METHOD USING SAME - The use of a metal complex containing a ruthenium ion or an osmium ion, and a tridentate aminodicarbene ligand, the tridentate aminodicarbene ligand having one secondary amino group and two specific heterocyclic carbene groups sandwiching the amino group, enables hydrogenation reduction of carbonyl compounds, such as ketones, carboxylic acid esters, lactones, carboxylic acid amides, and lactams, and imine compounds under relatively mild conditions to produce corresponding alcohols, amines, and the like in a high yield with high catalytic efficiency. The metal complex is obtained by a method comprising steps of reacting a specific metal compound with a specific aminodicarbene precursor and subsequently reacting a specific compound. Reduction of a carbonyl compound or an imine compound in the presence of this metal complex using a hydrogen donor makes it possible to reduce the carbonyl compound or imine compound by hydrogenation. | 05-26-2016 |
20160164009 | ORGANIC ELECTROLUMINESCENCE DEVICE - A compound is represented by the following formula (I): | 06-09-2016 |
20160168181 | RECYCLABLE METATHESIS CATALYSTS | 06-16-2016 |
20160175829 | CATALYST SYSTEMS FOR USE IN CONTINUOUS FLOW REACTORS AND METHODS OF MANUFACTURE AND USE THEREOF | 06-23-2016 |