Abstract: 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.

Abstract: 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.

Abstract: An OLED device including a cathode, a light emitting layer and an anode, in that order, and, having located between the cathode and the light emitting layer, a further layer containing an alkali metal or alkaline earth metal salt of a 2-(2-hydroxyphenyl)phenanthroline derivative, according to Formula (MC) below. Such devices exhibit reduced drive voltage while maintaining good luminance.

Abstract: 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.

Abstract: 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.

Abstract: Akylidene complexes of ruthenium containing N-heterocyclic carbene ligands and their use as highly active, selective catalysts for olefin metathesis The invention relates to a complex of ruthenium of the structural formula I, where X1 and X2 are identical or different and are each an anionic ligand, R1 and R2 are identical or different and can also contain a ring, and R1 and R2 are each hydrogen or/and a hydrocarbon group, the ligand L1 is an N-heterocyclic carbene and the ligand L2 is an uncharged electron donor, in particular an N-heterocyclic carbene or an amine, imine, phosphine, phosphite, stibine, arsine, carbonyl compound, carboxyl compound, nitrile, alcohol, ether, thiol or thioether, where R1, R2, R3 and R4 are hydrogen or/and hydrocarbon groups.

Abstract: The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same.

Abstract: A method of making an osmium(II) complex having Formula I, L1-Os-L2, wherein L1 and L2 are independently a biscarbene tridentate ligand, wherein L1 and L2 can be same or different is disclosed. The method includes (a) reacting a precursor of ligand L1 with an osmium precursor to form an intermediate product, wherein the osmium precursor having the formula OsHx(PR3)y, wherein x is an integer from 2 to 6 and y is an integer from 2 to 5, and R is selected from the group consisting of aryl, alkyl and cycloalkyl; and (b) reacting a precursor of ligand L2 with said intermediate product.

Abstract: Novel phosphorescent tetradentate platinum (II) compounds comprising a twisted aryl group are provided. Also provided are novel phosphorescent tetradentate platinum (II) compounds comprising an imidazo[1,2-f]phenanthridine moiety. The compounds may be used in organic light emitting devices to provide improved device efficiency, line shape and lifetime.

Abstract: 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.

Abstract: 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 even in presence of air or of acids.

Abstract: 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.

Abstract: There is provided a compound having Formula I In the formula: R1 can be alkyl, aryl, alkylaryl, or deuterated analogs thereof; R2 can be alkyl or deuterated alkyl; R3 can be H, D, aryl, or deuterated aryl; and R4-R6 are the same or different and can be H, D, alkyl, or deuterated alkyl. In the formula, at least one of the following conditions is met; (i) R1 is a secondary alkyl, a tertiary alkyl, aryl, alkylaryl, or deuterated analog thereof; (ii) R3 is aryl or deuterated aryl; (iii) at least one of R3-R6 is D.

Abstract: 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.

Abstract: Process for preparing cyclometallated transition metal-carbene complexes comprising at least one carbene ligand, which comprises reacting a ligand precursor with a base, an auxiliary reagent and a metal complex comprising at least one metal M1 (route A) or reacting the ligand precursor with a basic auxiliary reagent and a metal complex comprising at least one metal M1 (route B). The present invention further relates to the use of an auxiliary reagent selected from among salts comprising at least one metal selected from the group consisting of Ag, Hg, Sb, Mg, B and Al together with a base in a process for preparing cyclometallated metal complexes.

Abstract: A metal complex exhibits blue light emission of high color purity and has a color purity of small temperature dependence, particularly in the blue region. Specifically, the metal complex is represented by Formula (1a): wherein M is a metal atom; R0 is a divalent linking group; each j independently represents 0 or 1; RP1, RP2, RP3, RP4 and RP6 each independently represents a hydrogen atom or the like; RP5 represents a halogen atom or the like; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom, an oxygen atom or a nitrogen atom.

Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.

Abstract: A compound comprising a ligand LA selected from: as well as, devices and formulations containing the compound are disclosed. In the compounds, X1-X6, are CH or N; Y1-Y12 are independently selected from CH, N, and C-APR1?R1?; when present, exactly one of Y1 through Y12 is C-APR1?R1? in LA8; A is selected from a single bond, —CRARB—, —NRA—, —O—, —S— and —SiRARB—; and R, R1?, R1?, R2, R3, RA, and RB are each independently a substitutent selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and weight of at least 40.

Abstract: A nanostructure comprising at least one metal nanowire comprising at least one surface, and at least one surface modifier disposed on the at least one surface, the at least one surface modifier comprising at least one linkage component, at least one nanowire binding moiety bonded to the at least one linkage component, and at least one surface modifying moiety also bonded to the at least one linkage component, where the at least one nanowire binding moiety is bonded to the at least one surface.

Abstract: 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.

Abstract: Disclosed is an organic electroluminescent device having high external quantum efficiency and long life. Also disclosed are an illuminating device and a display device. The organic electroluminescent device is characterized by containing at least one compound having a partial structure represented by the following general formula (1). [chemical formula 1] (l) In the formula, R1 represents a group (preferably an aromatic hydrocarbon group, an aromatic heterocyclic group, an alkyl group or an alkoxy group) having 4-20 carbon atoms in total and a substituent having a formula weight or 70-350 (preferably an alkyl group or an alkoxy group): R2R4 independently represent a substituent; n2 represents a number of 0-4; n3 represents a number of 0-2; n4 represents a number of 0-8; and Q represents an atomic group necessary for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring.

Abstract: N-heterocyclic (“NHC”) carbenes and NHC carbene-metal complexes. The NHC carbene having a formula: wherein R1 is an aromatic or aliphatic group, and R2 is an aromatic or aliphatic group, R3 is a fluorinated alkyl chain, R4 is a fluorinated alkyl chain or a proton.

Abstract: In a light emitting element using an organic metal complex which can convert an excited triplet state into a light emission, a red color light emitting element exhibiting a high light emission efficiency and an excellent color purity is provided. A material used in a hole transporting layer and a host contained in a light emitting layer and an electron transporting layer has a triplet excitation energy larger than a triplet excitation energy of the organic metal complex which is a light emitting substance to enable a current efficiency and an external quantum efficiency of the light emitting element to be improved. It is possible to obtain a current efficiency of 2.0 cd/A or more and an external quantum efficiency of 5% or more. The color purity is excellent. The CIE chromaticity coordinate is X?0.7 and Y?0.3 to make it possible to exceed an NTSC standard.

Abstract: It is an object of the present invention to provide improved pharmacological properties to molecules which bind to a target with low affinity (hereinafter referred to as a “ligand moiety”) through linkage of such molecules to a metal binding moiety, thereby generating a combination molecule commonly referred to as a “metallodrug” or “metallotherapeutic.” The metal binding domain of metallodrugs typically catalyzes oxido-reductase chemistry or acts as a Lewis-Acid catalyst, resulting in modification of proteins and nucleic acids that are in close proximity due to binding of the ligand moiety to its target.

Abstract: A process for the manufacture of heteroleptic complexes of a transition metal M having the general formula [M(L)nL?] wherein M is Ir, Rh, Pt or Pd and n is 2 for M=Ir or Rh and n is 1 for M=Pt or Pd and L is a bidentate cyclometallated ligand coordinated to the metal M through covalent metal-C and dative donor-atom-metal bonds, by reacting a halo-bridged dimer of general formula [LnM(?-X)2)MLn] with a bidentate ligand compound of formula L?-H or a halo-bridged dimer of general formula [L?nM(?-X)2) -ML?n] with a ligand compound of formula L-H where (?-X) represents a bridging halide in a solvent mixture of an organic solvent and water comprising more than 25 vol % of water at a temperature of from 50 to 260° C. in the presence of from 0 to 5 molar equivalents relative to the number of moles of halide X-ion introduced into the reaction mixture through the halo-bridged dimer of a scavenger for halide X-ion and in the presence of from 0 to 0.

Abstract: A highly stable metal complex useful for the manufacture of a light-emitting device has an excellent lifetime property, particularly in a blue region, specifically a metal complex represented by Formula (1): wherein M is a metal atom; each R0 independently represents a divalent linking group; i and j each independently represent 0 or 1; RP1, RP2, RP3, RP4, RP5 and RP6 resent each independently rep a hydrogen atom and the like, with a proviso that at least one of RP1, RP2, RP3, RP4, RP5 and RP6 is a dendron; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom and the like.

Abstract: Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a ? complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ?1; o is the number of ligands K, where o can be 0 or ?1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific tr

Abstract: Disclosed herein are compounds comprising iridium ligand complexes and compositions and light-emitting devices related thereto are also disclosed.

Abstract: The present application provides, among other things, compounds and methods for metathesis reactions. In some embodiments, provided compounds promote highly efficient and highly Z-selective metathesis. In some embodiments, provided compounds and methods are particularly useful for producing allyl alcohols. In some embodiments, provided compounds have the structure of formula I. In some embodiments, provided compounds comprise ruthenium, and a ligand bonded to ruthenium through a sulfur atom.

Abstract: 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.

Abstract: A method is provided for forming a zeolitic imidazolate framework composition using at least one reactant that is relatively insoluble in the reaction medium. Also provided herein is a material made according to the method, designated as EMM-19, and a method of using EMM-19 to adsorb gases, such as carbon dioxide.

Abstract: 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.

Abstract: 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 at the 1 and 4 or 5 positions 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 the 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.

Abstract: The invention provides emissive materials and organic light emitting devices using the emissive materials in an emissive layer disposed between and electrically connected to an anode and a cathode. The emissive materials include compounds with the following structure: wherein at least one of R8 to R14 is phenyl or substituted phenyl, and/or at least two of R8 to R14 that are adjacent are part of a fluorenyl group. The emissive materials have enhanced electroluminescent efficiency and improved lifetime when incorporated into light emitting devices.

Abstract: Process for preparing cyclometallated transition metal-carbene complexes comprising at least one carbene ligand, which comprises reacting a ligand precursor with a base, an auxiliary reagent and a metal complex comprising at least one metal M1 (route A) or reacting the ligand precursor with a basic auxiliary reagent and a metal complex comprising at least one metal M1 (route B). The present invention further relates to the use of an auxiliary reagent selected from among salts comprising at least one metal selected from the group consisting of Ag, Hg, Sb, Mg, B and Al together with a base in a process for preparing cyclometallated metal complexes.

Abstract: This invention relates generally to olefin metathesis, more particularly, to tri- or tetra-substituted imidazolinium salts which are precursors to N-heterocyclic carbene (NHC) ligands with tri- or tetra-substituted imidazolinium rings, organometallic ruthenium complexes comprising gem di-substituted imidazolinium NHC ligands, organometallic ruthenium complexes comprising tri- or tetra-substituted imidazolinium NHC ligands, and to olefin metathesis methods using them. The catalysts and methods of the invention have utility in the fields of catalysis, organic synthesis, and industrial chemistry.

Abstract: 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 (PR1R2R3)2Cl2Ru?CH—R4, wherein R1, R2, R3, and R4 are alike or different, and wherein covalent bonds may optionally exist between two or more of R1, R2, and R3.

Abstract: The present disclosure provides substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes, of Formula I D-M-D??(Formula I) useful as antiviral agents. In certain embodiments disclosed herein M is a group —P-A-P— where A is Certain substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. Pharmaceutical compositions/and combinations containing one or more substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes and a pharmaceutically acceptable carrier are also provided by this disclosure. Methods for treating viral infections, including Hepatitis C viral infections are provided by the disclosure.

Abstract: The present invention relates to materials and particularly “organometallic-organic-inorganic hybrid materials” that can be used as heterogeneous catalysts for selective catalytic reactions. More precisely this invention relates to organic-inorganic hybrid nanostructured materials comprising a regularly distributed stabilized carbene that binds strongly to a metal so as to form a stable organometallic-organic-inorganic hybrid material having high catalytic performances.

Abstract: The invention provides novel organometallic complexes useful as olefin metathesis catalysts. The complexes have an N-heterocyclic carbene ligand and a chelating carbene ligand associated with a Group 8 transition metal center. The molecular structure of the complexes can be altered so as to provide a substantial latency period. The complexes are particularly useful in catalyzing ring closing metathesis of acyclic olefins and ring opening metathesis polymerization of cyclic olefins.

Abstract: Novel phosphorescent tetradentate platinum (II) compounds comprising a twisted aryl group are provided. Also provided are novel phosphorescent tetradentate platinum (II) compounds comprising an imidazo[1,2-f]phenanthridine moiety. The compounds may be used in organic light emitting devices to provide improved device efficiency, line shape and lifetime.

Abstract: A metal complex is provided represented by Formula (1): wherein M represents a prescribed metal atom; RP1, RP2, RP3, RP4, RP5, and RP6 each independently represent a hydrogen atom or a prescribed group, wherein RP1 and RP2 may be bonded together to form a ring structure, RP2 and RP3 may be bonded together to form a ring structure, and RP3 and RP4 may be bonded together to form a ring structure, provided that at least one of RP1, RP2, RP3, and RP4 is a dendron and at least one of RP5 and RP6 is an aryl group or a monovalent heterocyclic group; m is an integer of 1 to 3 and n is an integer of 0 to 2, wherein m+n is 2 or 3; and a moiety represented by Formula (2) represents a bidentate ligand: wherein Rx and Ry each independently represent a prescribed atom.

Abstract: 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.

Abstract: 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.

Abstract: A method of making ligands for producing novel heteroleptic iridium complexes is provided. The method includes reacting the condensation product of an aryl 1,2-diamine and an aryl aldehyde with manganese dioxide in a solvent. The novel iridium complexes produced using the ligands are useful compounds in OLED devices.

Abstract: The invention relates to compounds comprising a redox group, to the use thereof as an additive to an electrolyte composition, to an electrolyte composition including such an additive, and to electrochemical systems including such an electrolyte composition, in particular lithium or sodium batteries and supercapacitors having a double electric layer.

Abstract: The present invention relates to oxadiazole metallic complexes. More specifically it relates to the synthesis and electronic and opto-electronic applications of oxadiazole metallic complexes having a general Formula I, wherein each of variables is defined herein.

Abstract: A method of increasing the overall mass transfer rate of acid gas scrubbing solids is disclosed. Various catalyst compounds for that purpose are also disclosed.

Abstract: 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.

Abstract: 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 wherein: M is ruthenium or osmium; X and X1 are each independently an anionic ligand; L is a neutral electron donor ligand; and, R, R1 R6, R7, R8, and R9 are each independently hydrogen or a substituent selected for the group consisting of C1 C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, aryl, C1-C20 alkoxycarbonyl, C1-C20 alkyithiol, aryl thiol, C1-C20 alkylsulfortyl and C1-C20 alkylsulfinyl, the substituent optionally substituted with one or more moieties selected from the group consisting of C1-C20 alkyl, C1-C10 alkoxy, aryl, and a functional group. The inclusion of an imidazolidine ligand to the previously described ruthenium or osmium catalysts has been found to dramatically improve the properties of these complexes.