Class / Patent application number | Description | Number of patent applications / Date published |
546010000 | Polycyclo ring system having the six-membered hetero ring as one of the cyclos | 35 |
20080249308 | Complexes of Ruthenium with 2-(Aminomethyl)Pyridines and Phosphines, their Preparation and Use as Catalysts - The invention relates to a new class of ruthenium (II) complexes containing as ligands 2-(aminomethyl)pyridines and phosphines, proven to be extremely active catalysts in the reduction of ketones to alcohols via hydrogen transfer. By using 2-propanol as the hydrogen source with the ruthenium complexes, high yields of the corresponding alcohol can be rapidly obtained starting from linear and cyclic alkyl aryl, dialkyl and diaryl ketones. The conversion of ketones to alcohols can reach 100% if operating in a gaseous hydrogen atmosphere (2-3 atm). Where the phosphines used are optically active, starting from prochiral ketone compounds various types of optically active alcohols can be produced, being important intermediates in the pharmaceutical industry, in the agrochemical industry and for fine chemicals generally. | 10-09-2008 |
20090171088 | REVERSIBLE SELF-ASSEMBLY OF IMBEDDED METALLOMACROCYCLES WITHIN A MACROMOLECULAR SUPERSTRUCTURE - In accordance with the present invention, there is provided a method for preparing a reversible, self-assembly of an imbedded hexameric metallomacrocycle within a macromolecular superstructure. The method occurs by an intramolecular mechanism in which a macromolecular skeleton possesses multiple ligands capable of reversible assembly-disassembly triggered by the presence of metal ions. | 07-02-2009 |
20090209760 | ORGANOMETALLIC COMPLEXES AS PHOSPHORESCENT EMITTERS IN ORGANIC LEDS - Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied across the heterostructure, and the emissive molecule is selected from the group of phosphorescent organometallic complexes, including cyclometallated platinum, iridium and osmium complexes. The organic light emitting devices optionally contain an exciton blocking layer. Furthermore, improved electroluminescent efficiency in organic light emitting devices is obtained with an emitter layer comprising organometallic complexes of transition metals of formula L | 08-20-2009 |
20090216020 | Emission material and organic electroluminescent device using the same - An organic electroluminescent device (OELD) is provided. The OELD includes a substrate, an anode, a cathode, a hole transport layer, an electron transport layer and an emission layer. The anode and the cathode are disposed on the substrate. The hole transport layer is disposed between the anode and the cathode. The electron transport layer is disposed between the hole transport layer and the cathode. The emission layer is disposed between the hole transport layer and the electron transport layer. The emission layer includes a host and a dopant. The chemical structure of the dopant is shown as the formula [I]: | 08-27-2009 |
20100137596 | Photochromic diarylethene containing coordination compounds and the production thereof - Diarylethene-containing ligands and their coordination compounds are described. The ligands display photochromism with UV excitation, while the coordination compounds display photochromism with both excitation in the UV region and excitation into lower energy absorption bands characteristic of the coordination compounds, through which the excitation wavelengths for the photocyclization can be extended from λ≦340 nm to wavelengths beyond 470 nm. Switching of the luminescence properties of the compounds has also been achieved through photochromic reactions. | 06-03-2010 |
20100152448 | LIGANDS OF THE BENZO [H] QUINOLINE CLASS AND TRANSITION METAL COMPLEXES CONTAINING THEM AND USE OF SAID COMPLEXES AS CATALYSTS - A new class of ligands derived from benzo[h]quinoline are described and these ligands are used to prepare several novel transition metal complexes. The complexes are preferably of the group VIII transition metals iron, ruthenium or osmium, with the benzo[h]quinoline ligands acting as tridentate ligands. The complexes described are proved to be very active catalysts for the reduction of ketones and aldehydes to alcohols, via hydrogen transfer and hydrogenation reactions. These compounds hence can be usefully employed as catalysts in said reduction reactions. | 06-17-2010 |
20100267956 | CHIRAL TRIDENTATE COMPOUNDS, CORRESPONDING ORGANOMETAL COMPLEXES, METHOD FOR PREPARING SAME AND USE OF SAID COMPOUNDS AND COMPLEXES AS LIGANDS IN ASYMMETRICAL CATALYSIS - The invention relates to a compound of the formula (I) or the formula (II) in which: W is an oxygen atom or a radical of the formula NH; X is hydrogen or an alkaline cation or a C1-C8 alkyl or a —(CH | 10-21-2010 |
20110054176 | QUINOLINE-OXAZOLINE COMPOUNDS AND THEIR USE IN OXIDATION SYNTHESIS - A quinoline-oxazoline compound having the formula: | 03-03-2011 |
20110071293 | LIGHT-EMITTING MATERIAL COMPRISING ORTHOMETALATED IRIDIUM COMPLEX, LIGHT-EMITTING DEVICE, HIGH EFFICIENCY RED LIGHT-EMITTING DEVICE, AND NOVEL IRIDIUM COMPLEX - A synthesis method of a compound represented by formula (23), the method comprising reacting at least one of a ligand and a dissociation product thereof with an iridium compound at a room temperature or at an elevated temperatures in the presence or absence of a solvent or in the presence or absence of a base: | 03-24-2011 |
20110152525 | PROCESS FOR PREPARING AMINES FROM ALCOHOLS AND AMMONIA - The present invention provides novel ruthenium based catalysts, and a process for preparing amines, by reacting a primary alcohol and ammonia in the presence of such catalysts, to generate the amine and water. According to the process of the invention, primary alcohols react directly with ammonia to produce primary amines and water in high yields and high turnover numbers. This reaction is catalyzed by novel ruthenium complexes, which are preferably composed of quinolinyl or acridinyl based pincer ligands. | 06-23-2011 |
20110263857 | Method For Producing 3,7-Diaza-Bicyclo[3.3.1]Nonane Metal Complexes - The invention relates to a method for producing 3,7-diaza-bicyclo[3.3.1]nonane metal complexes, wherein the ligand, a 3,7-diaza-bicyclo[3.3.1] nonane compound, is reacted with an aqueous metal(II)salt solution in one step. According to the invention, the reaction stage is carried out with water as solvent. | 10-27-2011 |
20120041203 | METAL COMPLEX HAVING AROMATIC RING LIGAND CONTAINING NITROGEN ATOM - A metal complex containing a nitrogen-containing aromatic ring ligand which has a dendritic molecular chain, and a copper(I) ion or a silver(I) ion. For example, the metal complex which is represented by compositional formula (8): | 02-16-2012 |
20120130074 | Method for Preparation Metal Compounds of 8-Hydroxyquinoline or Derivatives - This invention, which involves “the preparation method of 8-hydroxyquinoline metallic compound”, is a synthetic method of organic electroluminescent materials. The preparation method of compound Mqnqm′ is to add solution prepared by Zengshui solvent and industrial ligand into reaction vessel, stir it at a certain temperature, and then achieve high-purity product, as for the Mqnqm′, M stands for Al, Li, n stands for 1-3, m is 0-2, q is 8-hydroxyquinoline and its derivatives, and q′ is ligand different from q. Zengshui solvent is adopted in this invention which can react effectively and thus reducing reaction time and avoiding cumbersome operation and the refining process; this invention also increases total yield and purity, the mother liquor obtained can be recycled, which reduces environment pollution and cost as well. This technology can also spread to the preparation of other 8-hydroxyquinoline metallic compound and the product achieved can be used as electroluminescent materials or electron-transport materials. | 05-24-2012 |
20120226041 | CATALYSTS AND BORONATE ESTERS - The invention provides catalysts and methods for preparing boronate esters. The methods can include the borylation of a secondary or primary C—H bond, for example, by contacting a reactant having a methylene or methyl and a diboron bis-ester in the presence of an effective catalyst. The contacting can be in the presence of an iridium complex, to effect borylation of the secondary or primary C—H bond, thereby providing the boronate ester. The boronate esters can be readily isolated and/or converted into other useful compounds and intermediates. | 09-06-2012 |
20130066078 | METHODS OF NANOASSEMBLY OF A FRACTAL POLYMER AND MATERIALS FORMED THEREBY - The invention relates to the formation of synthesized fractal constructs and the methods of chemical self-assembly for the preparation of a non-dendritic, nano-scale, fractal constructs or molecules. More particularly, the invention relates to fractal constructs formed by molecular self-assembly, to create synthetic, nanometer-scale fractal shapes. In an embodiment, a nanoscale Sierpinski hexagonal gasket is formed. This non-dendritic, perfectly self-similar fractal macromolecule is comprised of bisterpyridine building blocks that are bound together by coordination to (36) Ru and (6) Fe ions to form a nearly planar array of increasingly larger hexagons around a hollow center. | 03-14-2013 |
20130072685 | Process For Producing 3,7-Diaza-Bicyclo[3.3.1]Nonane-Metal Complexes - The invention describes a process for producing metal complexes of the general formula (2): [M | 03-21-2013 |
20130131345 | LUMINESCENT COMPOUNDS, METHOD OF PREPARATION OF LUMINESCENT COMPOUNDS AND APPLICATIONS THEREOF - This invention relates to compounds of general formula (R′) | 05-23-2013 |
20130150581 | COPPER (I) COMPLEXES FOR OPTOELECTRONIC DEVICES - The invention relates to neutral mononuclear copper (I) complexes for emitting light and with a structure according to formula (A) in which: M represents: Cu(I); L∩L represents: a single, negatively charged, bidentate ligand; N∩N represents: a diimine ligand (substituted with R and FG), in particular a substituted 2,2′-bipyridine derivative (bpy) or a substituted 1,10-phenanthroline derivative (phen); R represents: at least one sterically demanding substituent for preventing the planarisation of the complex in the excited state; FG=functional group, and represents: at least one second substituent for increasing solubility in organic solvents. The substituent can also be used for electron transport or alternatively for hole transport, said functional group being bound to the diimine ligands either directly or by means of suitable bridges; and the copper (I) complex: having a ΔE(S | 06-13-2013 |
20130158268 | NOVEL TRANSITION METAL COMPLEXES AND USE THEREOF IN ORGANIC LIGHT-EMITTING DIODES V - Metal complexes comprising at least one polycyclic aromatic ligand and bearing at least one deuterium atom, an organic light-emitting diode comprising at least one inventive metal complex, a light-emitting layer comprising at least one inventive metal complex, an organic light-emitting diode comprising at least one inventive light-emitting layer, the use of the at least one inventive metal complex in organic light-emitting diodes, and a device selected from the group consisting of stationary visual display units such as visual display units of computers, televisions, visual display units in printers, kitchen appliances and advertising panels, illuminations, information panels and mobile visual display units such as visual display units in cellphones, laptops, digital cameras, vehicles, and destination displays on buses and trains, comprising at least one inventive organic light-emitting diode. | 06-20-2013 |
20130178626 | Bootstrapping and Synthesis of Mechanosynthesis Tips - Processes are described for manufacturing atomically-precise tips using one or more tips in one or more mechanosynthetic reactions to create one or more atomically-precise tips. The processes may employ a variety of feedstock, binding any of a wide range of atoms to a workpiece to build the one or more atomically-precise tips. The processes result in atomically-precise mechanosynthesis tips with a wide variety of possible tip structures using a wide range of feedstock binding elements. Characteristics of such tips that may be used when designing new embodiments are also described. | 07-11-2013 |
20130178627 | Methods, Systems and Workpieces Using Mechanosynthesis - Methods and systems for building three-dimensional workpieces are described using a plurality of mechanosynthetic reactions. These methods may employ engineered reliability in reactions and process conditions and may use simulated or otherwise vetted reaction sequences, to allow workpieces requiring many reactions to be built with acceptable reliability. These many reactions may be the repetition of one or a small number of reactions, or many diverse reactions, or a combination thereof. | 07-11-2013 |
20130184461 | Mechanosynthesis Trajectories - Mechanosynthesis trajectories are described which are approximately coaxial, and are shown to be useful in a wide range of mechanosynthesis reactions regardless of the nature of the tip or the feedstock being transferred. | 07-18-2013 |
20130267708 | N ORTHO ACYL SUBSTITUTED NITROGEN-CONTAINING HETEROCYCLIC COMPOUND AND PROCESS FOR PREPARING AMINAL IRON (II) COMPLEXES THEREOF - Provided are a process for preparing an N ortho acyl substituted nitrogen-containing heterocyclic compound and an aminal iron (II) complex thereof, and the use of the complexes obtained by the process in an olefin oligomerization catalyst. The N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is for example 2-acyl-1,10-phenanthroline or 2,6-diacetyl pyridine as shown in formula b, and the N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is produced by a reaction of a precursor thereof in a substituted or unsubstituted nitrobenzene. Preferably the precursor shown in formula I in the present invention is produced by 1,10-phenanthroline reacting with trialkyl aluminum, or a halogenoalkyl aluminum R | 10-10-2013 |
20140012000 | PROCESS FOR PREPARING A PROPIOLIC ACID OR A DERIVATIVE THEREOF - The invention relates to a process for preparing a propiolic acid or a derivative thereof by reacting a terminal alkyne with carbon dioxide, which comprises performing the reaction in the presence of a base and a copper complex, especially a copper (I) complex having at least one ligand, at least one of the ligands of the copper complex being selected from monodentate ligands which have an aminic or iminic nitrogen atom capable of coordination with copper, and polydentate ligands having at least two atoms or atom groups which are capable of simultaneous coordination with copper and are selected from nitrogen, oxygen, sulfur, phosphorus and carbene carbon. | 01-09-2014 |
20140073793 | Germanium-containing camptothecin analogues - The present invention discloses: (i) the novel germanium-containing camptothecin compound, 7[2′-trimethylgermanyl]ethyl-20(S) camptothecin, and pharmaceutically-acceptable salts thereof; (ii) methods of synthesis of said novel germanium-containing camptothecin compound, 7[2′-trimethylgermanyl]ethyl-20(S) camptothecin, and pharmaceutically-acceptable salts; (iii) pharmaceutically-acceptable formulations comprising said novel germanium-containing camptothecin compound, 7[2′-trimethylgermanyl]ethyl-20(S) camptothecin, and pharmaceutically-acceptable salts thereof; and (iv) methods of administration of said novel germanium-containing camptothecin compound, 7[2′-trimethylgermanyl]ethyl-20(S) camptothecin, and pharmaceutically-acceptable salts thereof to subjects in need thereof, including subjects with cancer. | 03-13-2014 |
20140094606 | RUTHENIUM COMPLEX FOR DYE-SENSITIZED SOLAR CELL - A ruthenium complex for a dye-sensitized solar cell includes a chemical formula represented by Formula (I): | 04-03-2014 |
20140114073 | Method For Producing 3,7-Diaza-bicyclo[3.3.1]nonane metal complexes - The invention relates to a method for producing metal complexes of formula (2) [M | 04-24-2014 |
20140200348 | Vanadium Containing Hydrosilylation Catalysts And Compositions Containing The Catalysts - A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand. | 07-17-2014 |
20140288306 | PROCESS FOR PREPARING AMINES FROM ALCOHOLS AND AMMONIA - The present invention provides novel ruthenium based catalysts, and a process for preparing amines, by reacting a primary alcohol and ammonia in the presence of such catalysts, to generate the amine and water. According to the process of the invention, primary alcohols react directly with ammonia to produce primary amines and water in high yields and high turnover numbers. This reaction is catalyzed by novel ruthenium complexes, which are preferably composed of quinolinyl or acridinyl based pincer ligands. | 09-25-2014 |
20150307538 | USE OF THERMALLY-TREATED SUPPORTED COBALT CATALYSTS COMPRISING A POLYCYCLIC AROMATIC STRUCTURE CONSISTING OF NITROGEN LIGANDS FOR HYROGENATING AROMATIC NITRO COMPOUNDS - The invention relates to the use of thermally-treated supported cobalt catalysts for hydrogenating aromatic nitro compounds, the cobalt catalysts having been prepared by in situ immobilization of a cobalt-amine complex on an inorganic porous support and subsequent pyrolysis, and, in the cobalt-amine complex used, cobalt being present bonded to an aromatic or heterocyclic nitrogen ligand L, the nitrogen ligand being selected so as to form a polyaromatic structure with the cobalt atom. | 10-29-2015 |
20150364704 | PHOSPHORESCENT EMITTING COMPOSITIONS - A light emitting composition comprising a central platinum group transition metal and a bidentate ligand of novel structure for transition metal complexes forming a six membered ring. The platinum group transition metal may be selected from the group consisting of platinum, palladium, iridium, rhodium, ruthenium, and osmium. Additionally, OLED devices are disclosed, each of the OLED devices comprising a light emitting layer that includes one of the light emitting compositions. | 12-17-2015 |
20160060282 | METHOD FOR PRODUCING NOVEL ORGANOMETALLIC COMPLEX AND AMINE COMPOUND - The purpose of the invention is to provide a novel organometallic compound that can be utilized as a catalyst having high generality, high activity, and excellent functional group selectivity. The invention pertains to a novel organometallic compound represented by general formula (1) that catalyzes a reductive amination reaction. | 03-03-2016 |
20160107151 | LIGAND, METAL COMPLEX CONTAINING LIGAND, AND REACTION USING METAL COMPLEX CONTAINING LIGAND - A hydrogen transfer reaction may be more efficiently promoted by using a metal complex represented by Formula (2): | 04-21-2016 |
20160176908 | FIRST-ROW TRANSITION METAL HYDROGENATION AND HYDROSILYLATION CATALYSTS | 06-23-2016 |
20170236650 | SOLID STATE HOLE TRANSPORT MATERIAL | 08-17-2017 |