Abstract: Radio-labeled materials, e.g., compounds and compositions, methods of making the radio-labeled materials, and applications of the same are disclosed. For example, novel solid-state methods are disclosed that produce radio-labeled compositions that include a reactive, but stable radio-labeled compound in a polar anhydrous solvent. The radio-labeled compounds can be readily conjugated with a variety of ligands.

Abstract: The present invention describes homoleptic, ortho-metalated, chelate-stabilized benzylamine complexes of the rare-earth metals. The rare-earth metals are selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu. In the complexes according to the present invention, at least one benzylic proton of the benzylamine ligand is replaced by an alkyl or aryl group. Such complexes are preferred in which both benzylic protons of the benzylamine ligand are replaced by an alkyl- or aryl group. The complexes according to the present invention are produced by reaction of chelate-stabilized rare-earth metal halides with ortho-lithiated aryl ligands at room temperature under inert gas atmosphere. The complexes according to the present invention are thermally stable and suitable for being used as catalysts for the hydroamination of olefins.

Abstract: The invention relates to a novel hybrid organic-inorganic material containing an inorganic network of metal centres based on the element gallium, connected to each other by organic bridges, to the preparation and to the use thereof. The invention also relates to an intermediate solid obtained during the synthesis of said hybrid organic-inorganic material.

Abstract: The present invention relates to a process for preparing a porous metal organic framework comprising at least two organic compounds coordinated to at least one metal ion, which comprises the steps (a) oxidation of at least one anode comprising the metal corresponding to at least one metal ion in a reaction medium in the presence of at least one first organic compound which is an optionally substituted monocyclic, bicyclic or polycyclic saturated or unsaturated hydrocarbon in which at least two ring carbons have been replaced by heteroatoms selected from the group consisting of N, O and S to form a reaction intermediate comprising the at least one metal ion and the first organic compound; and (b) reaction of the reaction intermediate at a prescribed temperature with at least one second organic compound which coordinates to the at least one metal ion, with the second organic compound being derived from a dicarboxylic, tricarboxylic or tetracarboxylic acid.

Abstract: The present invention relates to 4-alkenyl-2-azetidinone derivatives, a process for preparing 4-alkenyl-2-azetidinone derivatives and multicyclic compounds prepared using 4-alkenyl-2-azetidinone derivatives. More specifically, the present invention relates to a 4-alkenyl-2-azetidinone derivative having a novel structure represented by the following chemical formula 1, in which an alkenyl group such as 1,3-dien-2-yl or 1,2,4,5-hexatetraen-3-yl is substituted at the C-4 position of azetidinone; to a process for preparing the 4-alkenyl-2-azetidinone derivative by reacting 4-acetoxy-2-azetidinone with organic indium, which is prepared by reacting a propargyl halide derivative with indium; and to a novel multicyclic compound prepared using the compound represented by the following chemical formula 1 as an intermediate in the Diels-Alder reaction.

Abstract: An excellent composition for a charge-transport film, which can be used to produce an organic electroluminescence device having excellent heat-resistant property, high hole injection/transport capacity and capable of functioning at a low voltage, is proposed.

Abstract: A water-capturing or drying agent placed in a hermetically sealed field light emission device for maintaining stable light emission of the light emission device not susceptible to moisture and oxygen for long period of time. The drying agent comprises a compound of polymer formed by bonding M constituting a plurality of organometallic compounds wherein M is a trivalent metal atom with an oxygen molecule. The drying agent is placed in the hermetically sealed container, thereby protecting the field light emission device from being adversely affected by damage from trace amounts of moisture permeating from outside the hermetically sealed container and/or adhered to the inner surface thereof.

Abstract: Transparent, electrically conductive layer, a process for producing the layer and its use, wherein the layer is based on at least one compound of the formula 1 wherein the substituents are as defined.

Abstract: New bifunctional chelation complexes are described. These are based on the structure of the so-called “TAME-HexA” molecule. The compounds are especially useful for forming chelation complexes with metal ions, including radioisotopes.

Abstract: A rare earth metal complex represented by the formula (1): in which A represents a Group 14 element of the periodic table, Cp represents a group having a substituted or unsubstituted cyclopentadienyl anion moiety, Ln represents a Group 3 metal atom or a lanthanoid metal atom, R1 to R6 are the same or different, and represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, a silyl group substituted with a hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, R7 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, Xs represent a monoanionic ligand, Ys represent a neutral ligand, m represents an integer of 1 to 3, and n represents an integer of 0 to 3. The rare earth metal complex is useful as, for example, a catalyst for polymerization reaction of olefins.

Abstract: A method of synthesizing a heteroleptic, multiple metal-containing metallocyclic catalyst, particularly suited for asymmetric catalysis, comprising combining a plurality of plural functional group-containing, monodentate ligands of complementary chirality, said plural functional groups being tethered to each other by tethers in the presence of a scaffold-structural metal Ms or derivative thereof, wherein at least one functional group on each ligand combines to ligate Ms to form a bidentate, Ms centered ligand scaffold containing the remaining functional groups and combining said bidentate ligand scaffold with a catalytic metal Mc or derivative thereof whereby the remaining functional groups combine to ligate Mc, thereby forming said catalyst.

Abstract: New metal-organic materials are useful as scintillators and have the chemical formula LX3(CH3OH)4 where L is Y, Sc, or a lanthanide element, and X is a halogen element. An example of the scintillator materials is CeCl3(CH3OH)4.

Abstract: The present invention relates to methods and compositions for the size-adjusted recombinant production of magnetic nanoparticles. More particular, the invention relates to a method, comprising: providing one or more cells being capable of producing magnetic nanoparticles; modifying in the one or more cells the expression of one or more genes involved in the formation of the magnetic nanoparticles; cultivating the modified cells obtained in step (b); and isolating the magnetic nanoparticles from the cultivated cells, wherein the magnetic nanoparticles have a defined size. In preferred embodiments, the method comprises modifying the expression of one or more genes of the mamGFDC operon in magnetotactic bacterial cells. The invention is further directed to host cells bearing said modifications, the recombinant magnetic particles isolated from such cells as well as to the use of such particles for the detection and/or separation of biomolecules or as a contrast agent in magnetic resonance imaging.

Abstract: An article is provided for immobilizing functional organic biomolecules (e.g. proteins, DNA, and the like) through a covalent bond to a thiolate or disulfide monolayer to a metal surface wherein an extra activation step of the surface layer or an activation step of the functional biomolecules or bioreceptors could be avoided. The monolayer can contain, but is not limited to, two moieties. One has a group that resists nonspecific adsorption and another has a group that directly (without activation) reacts with functional groups on the biomolecules. In addition, poly(ethylene oxide) groups are incorporated in the monolayer surfaces to resist the nonspecific adsorption and to enhance the specific affinity interactions. A sensor device including these monolayers is also provided to perform reproducible, sensitive, specific and stable bioanalysis.

Abstract: Provided are complexes of gallium and polyalcohols. Also provided are pharmaceutical compositions comprising such complexes and methods of their use. Methods of preparing the complexes are also provided.

Abstract: The disclosure relates generally to materials that comprise organic frameworks. The disclosure also relates to materials that are useful to store and separate biological agents that are environmentally friendly and biocompatible.

Abstract: Disclosed herein are the compounds shown below and methods of their synthesis. The value m is a positive integer. R comprises an alkyl chain or an alkoxy chain. Each X comprises a metal binding group. Each E is a methoxy group or comprises a biomolecule reactive group or a residue thereof. E optionally comprises a protecting group. The value n is a positive integer. The value p is zero or one. Y is OCH3, OH, NH2, or COOH.

Abstract: A compound which has thermal stability and moderate vaporizability and is satisfactory as a material for the CVD or ALD method; a process for producing the compound; a thin film formed from the compound as a raw material; and a method of forming the thin film. A compound represented by the general formula (1) is produced by reacting a compound represented by the general formula (2) with a compound represented by the general formula (3). The compound produced is used as a raw material to form a metal-containing thin film. [Chemical formula 1] (1) [Chemical formula 2] (2) [Chemical formula 3] Mp(NR4R5)q(3) (In the formulae, M represents a Group 4 element, aluminum, gallium, etc.; n is 2 or 3 according to cases; R1 and R3 each represents C1-6 alkyl, etc.; R2 represents C1-6 alkyl, etc.; R4 and R5 each represents C1-4 alkyl, etc.; X represents hydrogen, lithium, or sodium; p is 1 or 2 according to cases; and q is 4 or 6 according to cases).

Abstract: Gadolinium+3 (Gd3+) containing (or incorporated) Prussian blue lattice contrast agents that can be used as an MRI contrast agent have unexpectedly improved r1 relaxivities of 1 or 2 magnitudes higher than the commercial Gd3+-chelates as well as exceedingly, non-toxic, low release of the Gd3+ ions into an aqueous environment at a pH of about 2 to about 7.5. The Prussian blue lattice containing Gd3+ ions therein can be used for clinical diagnosis intravenously to human beings for medical imaging. The particle sizes of the doped Prussian blue lattices are of a nanosize scale and are very stable against agglomeration.

Abstract: The subject of the invention is a method of synthesizing a compound MxPy where M is an element belonging to one of columns II to XV of the Periodic Table of the Elements or to the family of lanthanides or to the family of actinides, characterized in that it includes the reaction of x moles of compound comprising the element M in its oxidation state 0 with y/4n moles of compound (P4)n. The method of the invention may be carried out at a temperature much lower than those necessary in the methods of the prior art. It also allows low-temperature formation of nanoparticles and stoichiometric reaction control. The applications of this method are numerous: magnetic ferro-magnets magnets for MnP and FeP; hydrodesulfurization catalysts for Ni2P; luminescent nanoparticles for biological applications; microelectronics and optoelectronics for InP; and electronics for GaP. The latter two phosphides are also used in the photovoltaic energy field.

Abstract: A functional group-selective hydrogenation catalyst is provided, which is capable of selectively hydrogenating an aliphatic carbon-carbon double bond, aliphatic carbon-carbon triple bond, aromatic formyl group or aromatic nitro group contained in an organic compound. The catalyst includes a carrier, and palladium and an organic sulfur compound supported jointly thereon.

Abstract: Temperature-adjustable pore size molecular sieves comprise a plurality of metal clusters bound with a plurality of amphiphilic ligands, each ligand comprising a functionalized hydrophobic moiety and a functionalized hydrophilic moiety, and wherein the metal clusters and amphiphilic ligand hydrophilic moieties form a metal cluster layer, the metal cluster layer forming at least one hydrophilic pore. On each side of the metal cluster layer, a plurality of associated amphiphilic ligand hydrophobic moieties cooperate with the metal cluster layer to form a tri-layer and a plurality of tri-layers are held in proximity with each other to form at least one hydrophobic chamber.

Abstract: This disclosure relates to compositions for delivering agents to a subject, and in particular, to compositions for delivery of therapeutic agents or diagnostic agents in the presence or absence of targeting moieties. In part, this disclosure relates to compositions comprising a hydrophobic group with a first end and a second end, a first metal binding domain linked to the hydrophobic group, a metal ion capable of being chelated to the first metal binding domain, and an agent linked to a second metal binding domain capable of chelating to the metal ion.

Abstract: This invention relates to a transition metal catalyst compound represented by the structure: wherein: each X is, independently, a hydride, a halogen, a hydrocarbyl, a substituted hydrocarbyl, a halocarbyl, or a substituted halocarbyl; w is 2; each R1, R2, R3, and R4 is, independently, a hydrogen, a hydrocarbyl, a substituted hydrocarbyl, a halocarbyl, a substituted halocarbyl, a halogen, an alkoxide, a sulfide, an amide, a phosphide, a silyl or another anionic heteroatom-containing group, or independently, may join together to form a C4 to C62 cyclic or polycyclic ring structure; each R5, R6, and R7 is, independently, a hydrogen, a hydrocarbyl, a substituted hydrocarbyl, a halocarbyl, a substituted halocarbyl, a halogen, an alkoxide, a sulfide, an amide, a phosphide, a silyl or another anionic heteroatom-containing group, or independently, may join together to form a C4 to C62 cyclic or polycyclic ring structure; each R8 and R9, is, independently, a hydrogen, a hydrocarbyl, a substituted hydrocarbyl, a ha

Abstract: This invention relates to a transition metal compound represented by the formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is: 1) a substituted or unsubstituted indenyl ligand that is bonded to Y through the four, five, six or seven position of the indenyl ring, or 2) a substituted or unsubstituted heteroindenyl ligand that is bonded to Y through the four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom, or 3) a substituted or unsubstituted fluorenyl ligand that is bonded to Y through the one, two, three, four, five, six, seven or eight position of the fluorenyl ring, or 4) a substituted or unsubstituted heterofluorenyl ligand that is bonded to Y through the one, two, three, four, five or six position of the heteroindenyl ring, provided that the bonding position is not the same as the position of the ring heteroatom; A is a substituted or unsubsti

Abstract: A compound that recognizes and binds to the CA-IX protein has Formula I, II, III, or IV. The compounds may include a radioactive element for radioimaging or therapeutic applications. Thus, pharmaceutical compositions may be prepared with one or more of the compounds of Formula I, II, III, or IV.

Abstract: Metal films are deposited with uniform thickness and excellent step coverage. Copper metal films were deposited on heated substrates by the reaction of alternating doses of copper(I) NN?-diispropylacetamidinate vapor and hydrogen gas. Cobalt metal films were deposited on heated substrates be the reaction of alternating doses of cobalt(II) bis(N,N?-diispropylacetamidinate) vapor and hydrogen gas. Nitrides and oxides of these metals can be formed by replacing the hydrogen with ammonia or water vapor, respectively. The films have very uniform thickness and excellent step coverage in narrow holes. Suitable applications include electrical interconnects in microelectronics and magnetoresistant layers in magnetic information storage devices.

Abstract: A process for producing a substituted metallocene compound comprises reacting a first compound with a transfer-agent, wherein the first compound comprises a complex of a transition metal atom selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom and at least one monocyclic or polycyclic ligand that is pi-bonded to M and is substituted with at least one halogen or sulfonate substituent and the transfer-agent comprises a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, or germylcarbyl radical capable of replacing said at least one halogen or sulfonate substituent of said first compound under reaction conditions.

Abstract: A process for producing a radiation-sensitive resin composition includes the steps of providing a filter apparatus equipped with a filter composed of a polyamide resin filter and a polyethylene resin filter connected in series, circulating a precursor composition for the radiation-sensitive resin composition in the filter apparatus so that the precursor composition is passed through the filter two or more times to thereby effect filtration with the result that foreign matter is removed from the precursor composition.

Abstract: The invention relates to a method for the preparation of a composition of nanoparticles of at least one crystalline metal oxide from at least one organometallic precursor. One precursor(s) which can react spontaneously to oxidation is selected; a liquid solution of the precursor(s) is produced in a solvent non-aqueous medium, and the liquid solution is placed in contact with at least one oxidant in adapted reactional conditions in order to directly result in the production of nanoparticles of crystalline metal oxide(s). The invention also relates to a composition of nanoparticles obtained in the form of a colloidal liquid solution.

Abstract: This disclosure relates to compositions for delivering agents to a subject, and in particular, to compositions for delivery of therapeutic agents or diagnostic agents in the presence or absence of targeting moieties. In part, this disclosure relates to compositions comprising a hydrophobic group with a first end and a second end, a first metal binding domain linked to the hydrophobic group, a metal ion capable of being chelated to the first metal binding domain, and an agent linked to a second metal binding domain capable of chelating to the metal ion.

Abstract: Metal films are deposited with uniform thickness and excellent step coverage. Copper metal films were deposited on heated substrates by the reaction of alternating doses of copper(I) NN?-diispropylacetamidinate vapor and hydrogen gas. Cobalt metal films were deposited on heated substrates b the reaction of alternating doses of cobalt(II) bis(N,N?-diispropylacetamidinate) vapor and hydrogen gas. Nitrides and oxides of these metals can be formed by replacing the hydrogen with ammonia or water vapor, respectively. The films have very uniform thickness and excellent step coverage in narrow holes. Suitable applications include electrical interconnects in microelectronics and magnetoresistant layers in magnetic information storage devices.

Abstract: A metal-organic framework-based mesh-adjustable molecular sieve (MAMS) exhibiting a temperature-dependent mesh size. The MAMS comprises a plurality of metal clusters bound with a plurality of amphiphilic ligands, each ligand comprising a hydrophobic moiety and a functionalized hydrophilic moiety, and wherein the metal clusters and amphiphilic ligand functionalized hydrophilic moieties form a metal cluster layer, the metal cluster layer forming at least one hydrophilic pore. On each side of the metal cluster layer, a plurality of associated amphiphilic ligand hydrophobic moieties cooperate with the metal cluster layer to form a tri-layer and a plurality of tri-layers are packed in a facing-spaced apart relationship to form at least one hydrophobic pore.

Abstract: Poly(propylene carbonates) are prepared from propylene oxide and CO2 with less than 10% cyclic propylene carbonate by product using cobalt based catalysts of structure preferably in combination with salt cocatalyst, very preferably cocatalyst where the cation is PPN+ and the anion is Cl? or OBzF5?. Novel products include poly(propylene carbonates) having a stereoregularity greater than 90% and/or a regioregularity of greater than 90%.

Abstract: A metallocene compound is represented by the formula (1): AMXn-1 wherein M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; A is a substituted monocyclic or polycyclic arenyl ligand pi-bonded to M, wherein said arenyl ligand includes at least one halogen substituent directly bonded to any sp2 carbon atom at a bondable ring position of the ligand; and the or each X is a univalent anionic ligand, or two X are joined and bound to the metal atom to form a metallocycle ring, or two X are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand.

Abstract: The present invention provides method 1 for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; method 2 for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and method 3 for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6-m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.

Abstract: A method of depositing a film of a metal chalcogenide including the steps of: contacting an isolated hydrazinium-based precursor of a metal chalcogenide and a solvent having therein a solubilizing additive to form a solution of a complex thereof; applying the solution of the complex onto a substrate to produce a coating of the solution on the substrate; removing the solvent from the coating to produce a film of the complex on the substrate; and thereafter annealing the film of the complex to produce a metal chalcogenide film on the substrate. Also provided is a process for preparing an isolated hydrazinium-based precursor of a metal chalcogenide as well as a thin-film field-effect transistor device using the metal chalcogenides as the channel layer.

Abstract: New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.

Abstract: A method of preparing an ultra-pure organometallic compound comprising using a microchannel device for synthesis in reacting a metal halide with an alkylating agent to produce an ultra-pure alkylmetal compound for processes such as chemical vapor deposition.

Abstract: The present invention provides a method for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; a method for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and a method for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6?m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.

Abstract: A water-stable and water-soluble ceramic precursor is provided, containing at least one Group III element. Also, a metal acid salt complex is provided comprising (1) bismuth, lanthanum, and titanium, and (2) a polyether acid. In addition, methods are provided for preparing the Group III metal acid salt complex and the Bi, La, Ti acid salt complex comprising a bismuth polyether acid salt complex, a lanthanum polyether acid salt complex, and a titanium polyether acid salt complex. Finally, devices that include lanthanum-doped bismuth titanate as the active component are provided, as well as a water-stable and water-soluble gallium polyether acid complex.

Abstract: A method for producing fine particles having in their molecules at least one element “X” selected from P, As and Sb and at least one element “Y” selected from Ga, In, Zn, Cd, Si, Ge and Sn, the method comprising the steps of (a) mixing a raw material for said element X and a raw material for said element Y in a solvent to prepare a raw material mixture solution, and (b) increasing the temperature of said raw material mixture solution to a predetermined reaction temperature on the basis of a predetermined interrelationship between a reaction temperature and an average particle diameter of fine particles to be generated, and a method for producing indium organocarboxylate, which comprises reacting an indium alkoxide and an organic carboxylic anhydride.

Abstract: Organometallic complexes comprising a trivalent lanthanide metal ion complexed with one or more polydentate ligands containing one or more pyrazolyl-derived groups, such as trispyrazolyl borate species, are useful in light emitting materials e.g., in electroluminescent flat panel displays. In the complexes, several classes of which are novel, a coordinate bond is formed between the metal and one of the nitrogen atoms of the pyrazolyl rings.

Abstract: The present invention relates to the field of polymer chemistry and more particularly to multiblock copolymers and methods of preparing the same.

Abstract: A method of synthesising gallium or indium alkoxide from the corresponding gallium or indium halide, the method comprising the step of reacting the gallium or indium metal halide with the alkoxide of an alkali earth metal, to produce the desired metal alkoxide essentially free of chlorine contamination. The method provides a composition comprising a solution of gallium or indium alkoxide of high purity, the composition having a chloride content of less than 30 ppm, a barium or strontium content of less than 30 ppm, and a sodium or potassium content of less than 30 ppm, without requiring any additional steps.

Abstract: (Pentafluorophenyl) Group 11 and 12 metal compounds and processes for preparing (pentafluorophenyl) Group 11 and 12 metal compounds are disclosed. Also, disclosed are processes for preparing (pentafluorophenyl) Group 13 or 15 metal compounds useful as Lewis acids. Compositions with low levels of base impurities and products produced by the novel processes are also disclosed.

Abstract: Compositions and methods for making compositions such as RF(R?)nQ are provided. The RF group can include at least two —CF3 groups, the R? group can be a group having at least two carbons, n can be at least 1, and the Q group can include one or more atoms of the periodic table of elements. RF-intermediates (RF(RT)nQg); Surfactants (RF(RT)nQs); Foam stabilizers (RF(RT)IIQFS); Metal complexes (RF(RT)IIQMC); Phosphate ester (RF(RT)HQPE); Polymers (RF(RT)IIQMU); Monomers (RF(RT)IIQM); Urethanes (RF(R?)nQu); and/or Glycols (RF(RT)IIQH) and methods for making the same are provided.

Abstract: Organometallic compounds containing an electron donating group-substituted alkenyl ligand are provided. Such compounds are particularly suitable for use as vapor deposition precursors. Also provided are methods of depositing thin films, such as by ALD and CVD, using such compounds.

Abstract: A method of synthesising gallium or indium alkoxide from the corresponding gallium or indium halide, the method comprising the step of reacting the gallium or indium metal halide with the alkoxide of an alkali earth metal, to produce the desired metal alkoxide essentially free of chlorine contamination. The method provides a composition comprising a solution of gallium or indium alkoxide of high purity, the composition having a chloride content of less than 30 ppm, a barium or strontium content of less than 30 ppm, and a sodium or potassium content of less than 30 ppm, without requiring any additional steps.

Abstract: This invention provides an organic EL element, which can control luminescence wavelength, exhibits high luminescence efficiency, and has a prolonged emission life, and a lighting equipment and a display device. They can be realized by an organic electroluminescent element material characterized by a metal complex having a structure represented by the following general formula (A) as a partial structure.