Abstract: A catalyst system comprising a half-sandwich chromium complex, an activator support and an optional cocatalyst. A compound of formula Cp?Cr(Cl)2(Ln), where Cp? is ?5-C5H4CH2CH2CH?CH2 and Ln is pyridine, THF or diethylether. A compound of formula Cp?Cr(Cl)2(Ln), where Cp? is ?5-C5H4C(Me)2CH2CH2CH?CH2 and Ln is pyridine, THF or diethylether.

Abstract: Methods for deposition of elemental metal films on surfaces using metal coordination complexes comprising nitrogen-containing ligands are provided. Also provided are nitrogen-containing ligands useful in the methods of the invention and metal coordination complexes comprising these ligands.

Abstract: An organometallic complex and an organic light-emitting device (OLED) including the same are described. In exemplary embodiments, the subject OLED devices may comprise an alkyl derivative of a tris(2-phenylpyridine)iridium complex paired with a carbazole-based host in an emission layer and emit green phosphorescent light.

Abstract: The invention provides nitrile-containing protease inhibitors caged to ruthenium compounds. The nitrile-caged ruthenium compounds provide inactivated inhibitors that can be delivered to surface or site for activation, for example, but exposure to light. The invention also provides methods for delivering protease inhibitors to subjects for the therapeutic treatment of conditions such as cancer.

Abstract: Provided is a pigment for a photoelectric converter that has broad absorption from the visible to the near infrared regions. The pigment for a photoelectric converter comprises at least molecules that contain elemental phosphorus and form coordinate bonds at least at these phosphorus atoms and one type of metal complex that forms coordinate bonds with a terpyridine derivative that has at least one adsorbing group capable of being adsorbed by a metal oxide. The metal complex is the pigment for a photoelectric converter showing absorption derived from spin-forbidden transition.

Abstract: The invention relates to platinum complexes and their use in biomedical applications, like in vitro and in vivo imaging and cell staining. The present invention provides new materials and their use as imaging agent.

Abstract: The present invention discloses a phosphor material for organic optoelectronic devices. The phosphor is a complex comprising a metal (Ir or Pt) and an aryl-modified beta-diketone ligand. The complexes of this invention are useful to function as an emitter in the emissive layer of an organic light emitting diode, even as the complex is the main component of this layer.

Abstract: The present invention relates to a kind of novel carbene ligands and ruthenium catalysts, which is highly active and selective for ROMP and RCM reactions, respectively. It discloses the significant electronic and steric effect of different substituted carbene ligands on the catalytic activity and stability of corresponding carbene ruthenium complexes; some of novel ruthenium complexes in the invention can be broadly used as catalysts highly effectively and selective for ROMP and RCM reactions. The invention also relates to preparation of new ruthenium catalysts and the uses in metathesis. Moreover, the invention also provides effective methods of making various functional polymers by ROMP reaction in the presence of new ruthenium catalysts.

Abstract: Compounds and uses of the compounds are provided. The compounds can be used as Fe(II) sequestering compounds. For example, these compounds can be used to sequester Fe(II) in cells, organs, vasculature, or tissues. Also, provided are compositions and methods of using the them for sequestering Fe(II) in an individual. The compounds can be used as MRI paraCEST contrast agents.

Abstract: A platinum (II) complex of general formula (II), in which Ar1 is a 1,2-diazole ring, Ar2 is a pyridine ring, and Ar3 is a phenyl ring. Ar1, Ar2, and Ar3 together form a tridentate ligand coordinated to the platinum through atoms X, Y, and Z, respectively, and X, Y, and Z are independently carbon or nitrogen. V represents O, S, N, C, P, or Si, and W is an anion. In some cases, Ar3 is an anion and Ar1 and Ar2 are neutral; in other cases, Ar1 and Ar3 are neutral and Ar2 is an anion. The complexes emit in the UV to near IR range and are useful as emitters for organic light emitting devices.

Abstract: This invention relates to ruthenium complex-based photosensitizer dyes for dye-sensitized solar cells, which have a general structural formula represented by formula (I).

Abstract: Disclosed are novel platinum-carbene complexes and use thereof as medicinal products.

Abstract: The present invention relates to auxiliary ligands for luminescent metal complexes, particularly emitter complexes having such auxiliary ligands, and particularly light-emitting devices, and particularly organic light-emitting devices (OLED) having metal complexes, which have the auxiliary ligands according to the invention.

Abstract: The present invention concerns a process for the synthesis of precursor complexes and titanium dioxide sensitizing dyes based on ruthenium polypyridine complexes comprising the microwave irradiation under high pressure and in aqueous environment system of precursor complexes and sensitizers based on carboxylic functionalized ruthenium polypyridine complexes

Abstract: The present invention provides ruthenium or osmium complexes and their uses as a catalyst for catalytic water oxidation. Another aspect of the invention provides an electrode and photo-electrochemical cells for electrolysis of water molecules.

Abstract: The invention is directed to a method of preparing polymeric metallomacrocycles having measurable photo- and electroluminescence properties and devices using such materials. In an embodiment, an O-hexyl-3,5-bis(terpyridine)phenol ligand has been synthesized and transformed into a hexagonal Zn(II)-metallomacrocycle by a facile self-assembly procedure capitalizing on terpyridine-Zn(II)-terpyridine connectivity. The material is usable in an OLED device based on the photo- and electro-luminescence characteristics thereof.

Abstract: The invention relates to novel complexes and to the use thereof as photosensitizers for generating hydrogen from water.

Abstract: The present invention is to provide highly solid state emissive fluorophores of the formula 1 and 2 useful for the solid state lighting. The formula 1 and 2 have good solid state emission in blue and green region respectively. The zinc complexes of formula 1A and 2A have yellow and red emission respectively in solid state. The present invention also provide high solid state emissive assay of formula 1 and 2 to convert UV light into visible light by coating the color tunable materials on the 365-nm emitting solid state LED. The present invention further provides carbazole end-capped bipyridine for screening of metal salts with different counterions in solutions. The discrimination of the various metal salts can be monitored by noting the fluorescence change in solution. The zinc salts with different counterions have different emission color in solution. The present invention also develop a new two photon active fluorescent Zn2+ specific probe for detecting Zn2+ in cellular environments.

Abstract: Pharmaceutical compositions comprise a first compound of Formula I or a physiologically acceptable salt thereof, and a cyto-protective amount of a manganese chelate of N,N?-dipyridoxyl ethylenediamine-N,N?-diacetic acid (MnPLED): wherein R1, R2, R3, R4 and X are defined in the specification.

Abstract: The present invention relates to a binuclear ruthenium complex dye having a higher absorption coefficient and capable of absorbing light of longer wavelength for realizing a photoelectric conversion element and a photochemical cell which may convert solar light into electricity over a wide wavelength range and exhibit high photoelectric conversion efficiency; and a binuclear ruthenium complex dye for realizing a photoelectric conversion element and a photochemical cell which may have high durability.

Abstract: A dinuclear zinc complex PPi sensor is provided, that may be represented by the formula where X is hydrogen, —COOEt, —CH?CH2, —OR, or —NR2, wherein X is a monovalent organic group having from 1 to about 20 carbon atoms. A method of preparing the dinuclear zinc complex PPi sensor is also provided. Methods for detecting PPi in an aqueous solution and methods for pyrosequencing by using the dinuclear zinc complex are described.

Abstract: A dye for dye-sensitized solar cells includes an organometallic complex represented by M(L)pX2:(Z)q. In the organometallic complex, M is a Group 8 through Group 10 metallic element, L is a bidentate ligand, X is a co-ligand, and Z is a counter-ion. The ratio of the bidentate ligand (L) to the counter-ion (Z) is about 1.1 to about 1.4. A method of preparing an exemplary dye includes mixing the organometallic complex with tetrabutylammonium thiocyanate and tetrabutylammonium hydroxide to prepare a solution, and purifying the solution at a pH of about 3.8 to about 4.1. A dye-sensitized solar cell includes a first electrode with a light absorbing layer, a second electrode and an electrolyte between the first and second electrodes. The light absorbing layer includes the dye.

Abstract: Synthetic processes for preparing luminescent iridium complexes and precursors thereof are provided. The method employs water as the reaction solvent to prepare luminescent iridium complexes in two different ways. In the first way, a precursor [Ir2(C11NR8)4I2] (Formula I) is prepared from one of IrCl3, M3IrCl6 (M=Li, Na, K) and [Ir2(C11NR8)4Cl2], and then the precursor [Ir2(C11NR8)4I2] is converted into one of the two luminescent iridium isomeric complexes [Ir(C11NR8)2(C11NR?8)] (Formula II). In the second way, a metal complex IrCl3 or M3IrCl6 (M=Li, Na, K), HC11NR8 and a base are converted selectively into one of the two iridium isomeric complexes [Ir(C11NR8)3] (Formula VIII). Herein, R and R? are defined the same as the specification.

Abstract: The present invention relates to ruthenium and osmium complexes of Formula [M(A)w(B)x(C)y]m(Xz)n, per se and the use of ruthenium and osmium complexes of Formula I as redox mediators in electrochemical biosensors.

Abstract: Disclosed are nitric oxide delivery agents and methods of their use, more specifically to photoactive compounds, which are able to perform targeted delivery of nitric oxide in vitro and in vivo and are useful for medicinal applications including, but not limited, to blood pressure regulation and cancer treatment.

Abstract: Described are palladium precatalysts, and methods of making and using them. The palladium precatalysts show improved stability and improved reactivity in comparison to previously-described palladium precatalysts.

Abstract: The invention provides novel ligands for transition metal complexes which exhibit high coordination power with respect to metals by being free of substituents at the positions ortho to phosphorus or arsenic and which have electron-withdrawing power comparable to the highest level known in conventional ligands. A ligand of the invention includes a compound represented by General Formula (1): R1R2R3A or General Formula (2): R1R2A-Y-AR3R4 and having a total of 15 to 110 carbon atoms. In the formulae, A is phosphorus or arsenic; R1, R2, R3 and R4 are each independently a substituted pyridyl group having optionally different electron-withdrawing groups bonded to the positions meta to the atom A as well as hydrogen atoms bonded to the positions ortho to the atom A; and Y is a divalent group derived from a C2-20, optionally substituted and optionally heteroatom-containing, aliphatic, alicyclic or aromatic compound or from ferrocene.

Abstract: The invention relates to electrochemical devices comprising complexes of cobalt comprising at least one ligand with a 5- or six membered, N-containing heteroring. The complex are useful as p- and n-dopants, as over of electrochemical devices, in particular in organic semiconductors. The complexes are further useful as over-discharge prevention and overvoltage protection agents.

Abstract: The invention provides a dye-sensitized photovoltaic device which comprises: a first electrode; a second electrode; and, disposed between the first and second electrodes: an electron acceptor material which comprises a semiconductive metal oxide, a redox mediator material, and a photosensitizing dye which comprises a dendrimer of formula (I): [X]m-CORE-[[Y]p-[DENDRON]]n wherein n, m, p, CORE, DENDRON, X and Y are as defined herein. The invention further provides a photosensitizing dye which is a dendrimer of formula (I), and the use, as a photosensitizing dye in a dye-sensitized photovoltaic device, of a compound which is a dendrimer of formula (T). Novel dendrimers of formula (T) are also provided. Novel catechol-based compounds are also provided. The catechol-based compounds can be used together with the dendrimers of formula (T) as the photosensitizing dyes in a photovoltaic device.

Abstract: The present invention provides phospho-amino pincer-type ligands, metal complexes thereof, and catalytic methods comprising such metal complexes.

Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical non-conjugated cyclometalated ligands being incorporated into a coordination sphere thereof with a transition metal, and one ligated chromophore being incorporated into the coordination sphere; or ii) one non-conjugated cyclometalated ligand forming a coordination sphere thereof with a transition metal, and two ligated chromophores being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the ligated chromophore possesses a relatively lower energy gap in comparison with that of the non-conjugated cyclometalated ligand, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that a subsequent radiative decay from an excited state of these transition complexes will be confined to the single ligated chromophore.

Abstract: Novel organic compounds comprising ligands containing a boron-nitrogen heterocycle are provided. In particular, the compound is a metal complex comprising a ligand containing an azaborine. The compounds may be used in organic light emitting devices to provide devices having improved photophysical and electronic properties.

Abstract: The invention relates to a method for increasing the Stokes shift of an emitting metal complex having a given geometry in the region of the metal center in the electronic ground state, wherein said geometry is changing as a result of an optical excitation or an excitation by a hole-electron recombination, and to a polymeric matrix by means of which it is possible to influence the change in geometry in the excited state.

Abstract: A 2-phenyl-6-azolylpyridine-based ligand is represented by the following formula (I): wherein, X represents nitrogen or C—R10; R1, R2, R3, R4, R5, R6, R7, R8 and R10 independently represent hydrogen, halogen, a cyano group, an amino group, an optionally substituted aryl group, an optionally substituted heteroaryl group, sulfate, —COOH, an alkoxy group, a carbonyl group, a C1-C10 haloalkyl group, a C1-C12 alkyl group, a C2-C10 alkenyl group, a C2-C10 alkynyl group, a C3-C20 cycloalkyl group, a C3-C20 cycloalkenyl group, a C1-C20 heterocycloalkyl group, or a C1-C20 heterocycloalkenyl group; and R9 represents hydrogen or alkali metal.

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: A bisazole-based compound is represented by formula (I): wherein X represents C—R3 or nitrogen, R1 and R2 independently represent a haloalkyl group, R3 represents H or F. A transition metal complex is represented by formula (II): ML1L2L3??(II) wherein M is a transition metal, L1 represents in which X represents C—R31 or nitrogen, R11 and R21 independently represent a haloalkyl group, and R31 represents H or F; and L2 and L3 independently represent a dipyridine-based ligand.

Abstract: A composition of matter suitable for the generation of hydrogen from water is described, the positively charged cation of the composition including the moiety of the general formula. [(PY5Me2)CoL]2+, where L can be H2O, OH?, a halide, alcohol, ether, amine, and the like. In embodiments of the invention, water, such as tap water or sea water can be subject to low electric potentials, with the result being, among other things, the generation of hydrogen.

Abstract: The present invention relates to novel Ruthenium catalysts and related borohydride complexes, and the use of such catalysts, inter alia, for (1) hydrogenation of amides (including polyamides) to alcohols and amines; (2) preparing amides from alcohols with amines (including the preparation of polyamides (e.g., polypeptides) by reacting dialcohols and diamines and/or by polymerization of amino alcohols); (3) hydrogenation of esters to alcohols (including hydrogenation of cyclic esters (lactones) or cyclic di-esters (di-lactones) or polyesters); (4) hydrogenation of organic carbonates (including polycarbonates) to alcohols and hydrogenation of carbamates (including polycarbamates) or urea derivatives to alcohols and amines; (5) dehydrogenative coupling of alcohols to esters; (6) hydrogenation of secondary alcohols to ketones; (7) amidation of esters (i.e.

Abstract: Process for preparing branched alcohols of the general formula (I) where the groups R1 are different or identical and selected from C2-C3-alkyl, linear or branched, using at least one alcohol of the formula (II) R1—CH2—CH2—OH??(II) in homogeneous phase in the presence of at least one base, wherein at least one Ru(II)-containing complex compound is used in which the Ru(II) has at least one ligand L1 which is at least bidentate, where at least one coordination site of L1 is a nitrogen atom.

Abstract: A hybrid porous material including at least a first and a second porous material portion which are chemically bonded to each other and are each a different type of material.

Abstract: The tristhiourea tripodal metal complexes are a group of coordination compounds having a transition metal linked by coordinate covalent bods to a chelating agent. The chelating agent has a tris-(6-amino-2-pyridylmethyl)amine (TAPA) backbone and three thiourea ligands bonded to the three legs of the TAPA backbone, respectively. The transition metal bonds to the amino groups of the TAPA backbone, and the thiourea ligands hydrogen bond to the anion guest remote from the transition metal. The chelating agent has a symmetrical C3v tripodal cavity that is selective for tetrahedral anions. The transition metal is selected from the group consisting of cadmium, manganese, cobalt, nickel, copper, and zinc. The tristhiourea tripodal metal complexes may be used in colorimetric sensors, selectively permeable membranes, filtration media for separating tetrahedral anions (such as phosphate and perchlorate) from mixtures, and similar applications.

Abstract: The present invention provides a metal complex containing a cation represented by [(MII)2(MI)2(LC)2(LB)4]2+ [in the aforementioned formula, MII is PtII or PdII, MI is H+, AuI, AgI, CuI, HgI, TlI or PbI, and LC and LB are ligands]. The metal complex of the present invention is useful as a light emitting material of an organic EL device.

Abstract: According to one embodiment, there is provided a compound represented by Formula (1): where Cu represents a copper, PR1R2R3 is a phosphine compound coordinating with Cu, where R1, R2, R3, R4 and R5 may be the same or different, and represent a linear, branched or cyclic alkyl group having 1-6 carbon atoms or an aromatic cyclic group which may have a substituent, R6, R7, R8 and R9 each independently represents a halogen atom, cyano group, nitro group, linear, branched or cyclic alkyl group having 1-6 carbon atoms or H, and X is F, Cl, Br or I.

Abstract: A charge-neutral organometallic dendrimer is described, said dendrimer having the formula (I): CORE-[DENDRITE(-Q)a]n??(I) in which CORE represents a group of formula MXxYz, in which M represents a metal cation, x represents an integer of 1 or more, each X which may be the same or different represents a mono-, bi- or tri-dentate coordinating group, z represents 0 or an integer of 1 or more, and each Y which may be the same or different represents a coordinating group, the total of (b.x)+(c.

Abstract: 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.

Abstract: The present invention provides ruthenium or osmium complexes and their uses as a catalyst for catalytic water oxidation. Another aspect of the invention provides an electrode and photo-electrochemical cells for electrolysis of water molecules.

Abstract: A method of reducing the in vivo viability of cancer cells selected from the group consisting of breast cancer cells, lung cancer cells, prostate cancer cells and melanoma cancer cells has steps of: a) identifying a prospective patient having cancer cells selected from the group consisting of breast cancer cells, lung cancer cells, prostate cancer cells and melanoma cancer cells; and b) administering a cisplatin derivative to the prospective patient so that the cisplatin derivative will contact the cancer cells; wherein the cisplatin derivative is a 4,4?-bis[RO]-2,2?-bipyridine)PtCl2 where, R is selected from the group consisting of —(CH2)nCH3 where n=2, 3, 4 or 5, and —(CH2)n[O(CH2)m]yO(CH2)zCH3 where n=2, m=2, y=2, z=1. A novel synthetic process for the manufacture of these compounds (and their analogs) is also provided.

Abstract: The invention is directed to a composition according to the following general formula: [(BL)-(M)-(Ar)-(X)]n+ (A)n-5 wherein M is a metal ion, BL is a bidentate ligand having two nitrogen atoms coordinating with a metal ion M, Ar is an, optionally substituted, conjugated cyclic hydrocarbon compound, X is H2O and A is an anion and n in n+ and n? are individually chosen from 1,2,3,4 or 5. The invention is also directed to its precursors and its use as multi-electron catalyst in a water splitting process.

Abstract: Phosphorescent materials and devices with improved device manufacturing, fabrication, stability, efficiency, and/or color.

Abstract: Disclosed is a dye-sensitized photovoltaic device in which a metal complex dye represented by Formula (1), or a salt thereof, is carried on a thin film of oxide semiconductor micrograins disposed on a substrate. (In Formula (1), m1 represents an integer from 1 to 2 and n1 represents an integer from 1 to 3. X1 represents an oxygen atom or sulfur atom. Y1 and Y2 each independently represent a thiocyanate group (—SCN) or isothiocyanate group (—NCS). M1 and M2 represent hydrogen atoms. R1 and R2 represent hydrogen atoms. R3 and R4 each independently represent a straight-chain alkyl group with 1 to 6 carbons. Further, when m1 is 2 and there are multiple of each of R3 and R4, each of R3 and R4 may be the same as or different from one another.