Abstract: Methods for preparing selective catalytic metal microstructures and nanostructures having at least one surface ligand. The methods include providing a preliminary metal microstructure or nanostructure having at least one preliminary surface ligand, and replacing the preliminary surface ligand with at least one surface ligand to provide the catalytic metal microstructure or nanostructure.

Abstract: The present invention provides granules containing one or more bleaching catalysts selected from the group of manganese salts or manganese complexes and at least one binder selected from the group of acid organic compounds coated with 0.1 to 3% by weight, referring to the total amount of the granules, with a polyvinyl alcohol-containing coating, wherein the coating comprises at least 80% of polyvinyl alcohol or mixtures thereof, in relation to the total weight of the coating.

Abstract: The patent discloses a process for the synthesis of dialkyl carbonates catalyzed by a catalyst composition AB oxides, wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios ranging from 0.5:10 to 10:0.5.

Abstract: A method for the preparation of a metal-organic compound is provided. This method comprises the steps of (a) providing at least one metal precursor, (b) providing at least one bridging organic ligand, and (c) exposing together the metal precursor and the ligand to liquid CO2 or supercritical CO2 as a reaction medium, thereby producing said metal-organic compound.

Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.

Abstract: A method of preparing a nitrogen containing electrode catalyst by converting a high surface area metal-organic framework (MOF) material free of platinum group metals that includes a transition metal, an organic ligand, and an organic solvent via a high temperature thermal treatment to form catalytic active sites in the MOF. At least a portion of the contained organic solvent may be replaced with a nitrogen containing organic solvent or an organometallic compound or a transition metal salt to enhance catalytic performance. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell.

Abstract: Flowing supercritical CO2 is used to activate metal organic framework materials (MOF). MOFs are activated directly from N,N-dimethylformamide (DMF) thus avoiding exchange with a volatile solvent. Most MCPs display increased surface areas directly after treatment although those with coordinatively unsaturated metal centers benefit from additional heating.

Abstract: Process for the preparation of an accelerator solution suitable for forming a redox system with peroxides, comprising the steps of heating a liquid formulation comprising a hydroxy-functional solvent and a nitrogen-containing base to a temperature in the range 50-200° C., followed by adding a transition metal salt or complex to said heated formulation.

Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising (i) a compound of a first transition metal selected from manganese and copper, (ii) a compound of a second transition metal; the weight ratio of first transition metal:second transition metal being in the range 3:1 to 200:1, (iii) a nitrogen-containing base, and (iv) a hydroxy-functional solvent, with the proviso that the accelerator solution does not contain ascorbic acid.

Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising a Cu(I) compound, a transition metal selected from cobalt and titanium, a phosphorous-containing compound, a nitrogen-containing base, and a hydroxy-functional solvent.

Abstract: Process for the preparation of an ethylene copolymer composition having a polydispersity index Mw/Mn of from 3 to 100, comprising a) feeding ethylene to at least one polymerization reactor; b) performing in the at least one polymerization reactor an oligomerization of ethylene in the presence of an oligomerization catalyst component (C) to produce comonomer; c) performing simultaneously in the at least one polymerization reactor polymerization reactions in the presence of catalyst components (A) and (B) producing, respectively, a first and a second polyethylene fraction, wherein the weight average molecular weight Mw of the first polyethylene fraction produced by catalyst component (A) is less than the Mw of the second polyethylene fraction produced by catalyst component (B) and the comonomer incorporation ability of catalyst component (B) is higher than the comonomer incorporation ability of catalyst component (A); and d) withdrawing the ethylene copolymer composition from the polymerization reactor.

Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.

Abstract: The present invention relates to the preparation of highly efficient chiral heterogeneous catalyst for asymmetric nitroaldol reaction, wherein Henry reactions of various aldehydes such as aromatic, aliphatic, ?,?-unsaturated aldehydes, alicyclic aldehydes and nitroalkenes were carried out to produce optically active ?-nitroalcohols in high yield, with moderate to excellent enantioselectivity (ee up to >99%) in presence of a base and an optically active chiral heterogeneous catalyst.

Abstract: The invention concerns in particular a method for purifying an input mixture comprising carbon dioxide (CO<SUB>2</SUB>) and carbon monoxide (CO), to eliminate the carbon monoxide contained in said mixture, which consists in contacting, at a temperature higher than room temperature, the input mixture with a purifying material comprising at least one metal oxide, so as to bring about the reduction of the purifying material by the input mixture, leading to oxidization of at least part of the CO of the input mixture into CO<SUB>2</SUB>. The invention also concerns a gaseous chilling method and installation integrating such a purifying operation.

Abstract: The present invention provides a method of killing and/or inactivating microbes, the method comprising the step of placing the microbes in contact with a catalyst by means of a fluid medium, wherein the catalyst comprises a solid support, which solid support comprises one or more fibers, and a first metal cation fixed to the support. The fibers are keratinous fibers like wool fibers, or polyacrylonitrile (PAN) fibers. The first metal cation is selected from transition metal copper, silver and gold included. A second non-transition metal cation can be present. The catalyst is prepared by first treating the fibers with hydrazine and/or hydroxylamine salt in presence of a base, the modified fibers are then treated with an aqueous solution of containing the metal cations.

Abstract: Solution suitable for accelerating the cure of a curable resin using a peroxide, said accelerator solution comprising (i) at least one organic solvent, (ii) a manganese salt, a copper salt, or a combination thereof, and (iii) an iron complex of a tetradentate, pentadentate or hexadentate nitrogen donor ligand.

Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.

Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.

Abstract: The present invention relates to novel methods for preparing fibrous catalysts, to fibrous catalysts, to catalysts systems and to uses of the fibrous catalysts in the treatment of a waste stream. The method comprising the steps of: (i) treating a fabric comprising polyacrylonitrile fibers with a hydrazine salt and a hydroxylamine salt in the presence of a base to provide a modified fabric; (ii) treating the modified fabric with a base; and (iii) treating the modified fabric with an aqueous solution comprising a salt of a transition metal cation and a salt of a non-transition metal cation. The transition metal cation is selected from a scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel and copper cation, and mixtures thereof; the non-transition metal cation is selected from a calcium, magnesium, lithium and zinc cation, and mixtures thereof.

Abstract: The present invention relates to thiol- or an amine-associated ferromagnetic or superparamagnetic copper nanoparticles with an average diameter less than 30 nm, to the method for obtaining them and their applications in biomedicine and other fields.

Abstract: Described is a process for preparing diaryl ethers of the formula (I) Ar—O—Ar???(I) In which Ar is an aryl or substituted aryl group and Ar? is an aryl, substituted aryl, heteroaryl or substituted heteroaryl group, by reacting an aryl of formula (II) or a aryloxy salt of formula (III) Ar—OH??(II) Ar—OR??(III) In which Ar has the same meaning as in formula (I) and R is an alkali metal, with an aryl or heteroaryl bromide of formula (IV) Ar?—Br??(IV) In which Ar? has the same meaning as in formula (I), characterized in that the reaction is carried out in the presence of a copper(I)salt and a 1-substituted imidazole as catalyst system.

Abstract: The invention relates to nitrogen-doped carbon nanotubes (NCNT), the surface of which is charged with metal nanoparticles, and to a method for the production thereof and use thereof as a catalyst.

Abstract: A method of preparing a nitrogen containing electrode catalyst by converting a high surface area metal-organic framework (MOF) material free of platinum group metals that includes a transition metal, an organic ligand, and an organic solvent via a high temperature thermal treatment to form catalytic active sites in the MOF. At least a portion of the contained organic solvent may be replaced with a nitrogen containing organic solvent or an organometallic compound or a transition metal salt to enhance catalytic performance. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell.

Abstract: The disclosure is directed to: (a) phosphacycle ligands; (b) methods of using such phosphacycle ligands in bond forming reactions; and (c) methods of preparing phosphacycle ligands.

Abstract: According to one aspect of the present invention, there is provided a catalyst assembly. In one embodiment, the catalyst assembly includes a two-dimension (2-D) extensive catalyst including one or more precious catalytic metals and having a catalyst crystal plane; and a substrate supporting the 2-D extensive catalyst, the substrate including one or more non-precious catalytic metals and having a substrate crystal plane in substantial alignment with the catalyst crystal plane.

Abstract: Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, including enantiomeric epoxidation of alkenes, enynes, sulfides to sulfones and the like; oxidation of oxidizable compounds (e.g., stains) on surfaces such as fabrics, dishes, countertops, dentures and the like; oxidation of oxidizable compounds in solution, dye transfer inhibition in the laundering of fabrics; and further in the bleaching of pulp and paper products.

Abstract: The present invention is made to provide a carbon catalyst which has high catalytic activity and can achieve high catalyst performance. A carbon catalyst has nitrogen introduced therein. The value of energy peak area ratio of a first nitrogen atom whose electron in the is orbital has a binding energy of 398.5±1.0 eV to a second nitrogen atom whose electron in the is orbital has a binding energy of 401±1.0 eV (i.e., the value of (the first nitrogen atom)/(the second nitrogen atom)) of the introduced nitrogen is 1.2 or less.

Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.

Abstract: The present invention provides an oxidation catalyst for bleaching containing a component (a) which is an anion caused from a chelating agent having less than or equal to coordination position 5 and/or the chelating agent, and a component (b) which is a copper and/or manganese compound; and a binder compound (c); a hydrogen peroxide-based compound (d) which dissolves in water and generates hydrogen peroxide, the bleaching composition containing a granulated product or a molded product in which at least the component (b) and the component (c) are granulated or molded together. According to the invention, an oxidation catalyst that promotes the oxidation effect of hydrogen peroxide-based compounds with a trace amount of the composition, and has excellent effects of suppressing the decomposition of hydrogen peroxide-based compounds and suppressing coloration of the catalyst itself, and a bleaching composition containing the oxidation catalyst can be utilized.

Abstract: The present invention discloses a method for preparing hollow beads of polyethylene of controlled morphology and size.

Abstract: The present invention is related to a hydrocarbon oxidation process. The process comprises bringing one or more hydrocarbons into contact with a source of oxygen in the presence of a radical initiator and a catalyst. The catalyst comprises an organic metal complex located on a catalyst support, and is obtained by partial decomposition of the organic metal complex. For example, the process can be used to produce dimethyl carbonate from dimethoxy methane. The invention is also related to a partially decomposed catalyst that comprises a silica support and an organic metal complex, wherein at least 5% of the organic compound remains in the catalyst. The organic metal complex comprises an organic compound and a metal-based compound wherein the metal is selected from copper, nickel, and combinations thereof.

Abstract: Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, including enantiomeric epoxidation of alkenes, enynes, sulfides to sulfones and the like; oxidation of oxidizable compounds (e.g., stains) on surfaces such as fabrics, dishes, countertops, dentures and the like; oxidation of oxidizable compounds in solution, dye transfer inhibition in the laundering of fabrics; and further in the bleaching of pulp and paper products.

Abstract: A catalytic system for an oxidative carbonylation reaction is provided, which includes a metal organohalogen catalyst, at least one organic nitrogen-containing heterocyclic adjuvant, and an inorganic co-catalyst, wherein the inorganic co-catalyst is selected from carboxylates, nitrates, halides, oxides, and complexes of lead, lanthanum, titanium, tungsten, and dysprosium. The process for producing a dialkyl carbonate by performing a liquid-phase oxidative carbonylation reaction of an alcohol in the presence of the catalytic system is significantly improved, and the conversion and selectivity of the catalytic reaction are increased.

Abstract: The disclosed subject matter provides a copper oxide nanoparticle, a catalyst that includes the copper oxide nanoparticle, and methods of manufacturing and using the same. The catalyst can be used to catalyze a chemical reaction (e.g., oxidizing carbon monoxide (CO) to carbon dioxide (CO2)).

Abstract: According to some embodiments, the present invention provides compositions and methods for making and using multifunctional polymerized liposomes finding relevant application in medical sciences, particularly in bioimaging, diagnostics, drug delivery, and drug formulation. The compositions and methods involve lipids that are both polymerizable and have a “clickable” group that provides the ability to functionalize via a click reaction with various functional moieties useful for the above-listed applications.

Abstract: Described is a process for preparing diaryl ethers of the formula (I) Ar—O—Ar???(I) In which Ar is an aryl or substituted aryl group and Ar? is an aryl, substituted aryl, heteroaryl or substituted heteroaryl group, by reacting an aryl of formula (II) or a aryloxy salt of formula (III) Ar—OH ??(II) Ar—OR ??(III) In which Ar has the same meaning as in formula (I) and R is an alkali metal, with an aryl or heteroaryl bromide of formula (IV) Ar?—Br ??(IV) In which Ar? has the same meaning as in formula (I), characterized in that the reaction is carried out in the presence of a copper(I)salt and a 1-substituted imidazole as catalyst system.

Abstract: A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated product wherein a portion of the feedstock is converted to alkyl-naphthene-aromatic compounds; and selectively oxidizing the hydrogenated product in the presence of a catalyst so as to convert the alkyl-naphthene-aromatic compounds to alkyl ketones. A catalyst and oxygen-containing Diesel fuel are also provided.

Abstract: A polynuclear metal complex having in each molecule not only at least one large cyclic ligand having 5 to 15 coordinating atoms but also multiple metal atoms is subjected to any of heating treatment, radiation exposure treatment and electric discharge treatment, thereby providing a polynuclear metal complex exhibiting a ratio of weight loss by the treatment of 5 to 90 wt. % and a carbon content after the treatment of 5 wt. % or more.

Abstract: Process for modifying catalysts via the deposition of carbon containing residues in the presence of one or more solvents, where the gas phase over the catalyst treatment solution during the treatment is air or an inert gas, and/or the liquid phase contains a templating agent and/or base. The modified catalyst can be used for stereo-, chemo- and regioselective transformations of organic compounds.

Abstract: The invention relates to a method for decarboxylating C—C bond formation by reacting carboxylic salts with carbon electrophiles in the presence of transition metal compounds as catalysts. The method represents a decarboxylating C—C bond formation of carboxylic acid salts with carbon electrophiles, wherein the catalyst contains two transition metals and/or transition metal compounds, from which one is present, preferably, in the oxidation step, which are different from each other by one unit, and catalyzes a radical decarboxylation which is absorbed during the second oxidation steps, which are different from each other by two units and catalyzes the two electron processes of a C—C bond formation reaction.

Abstract: This invention relates to transition metal catalyst compounds represented by the formula: LMX2 wherein M is a Group 7 to 11 metal; L is a tridentate or tetradentate neutrally charged ligand that is bonded to M by least three or four nitrogen atoms, and at least one terminal nitrogen atom is part of a pyridinyl ring, a different terminal nitrogen atom is substituted with one C3–C50 hydrocarbyl, and one hydrogen atom or two hydrocarbyls; wherein at least one hydrocarbyl is a C3–C50 hydrocarbyl, and the central nitrogen atom is bonded to at least three different carbon atoms or two different carbon atoms, and one hydrogen atom; X is independently a monoanionic ligand or both X are joined together to form a bidentate dianionic ligand.

Abstract: Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These catalysts have high catalyst activity for olefin polymerization or oligomerization.

Abstract: A transition metal complex having the following Formula (A): wherein the monovalent groups R1 and R2 are —Ra, —ORb, —NRcRd, and —NHRe; the monovalent groups Ra, Rb, Rc, Rd and Re, and the divalent group R3 are (i) aliphatic hydrocarbon, (ii) alicyclic hydrocarbon, (iii) aromatic hydrocarbon, (iv) alkyl substituted aromatic hydrocarbon (v) heterocyclic groups and (vi) heterosubstituted derivatives of said groups (i) to (v); M is a Group (3) to (11) or lanthanide metal; E is phosphorus or arsenic; X is an anionic group, L is a neutral donor group; n is (1) or (2), y and z are independently zero or integers, such that the number of X and L groups satisfy the valency and oxidation state of the metal M. n is preferably (2) and the two resulting R1 groups are preferably linked.

Abstract: The invention relates to N?-substituted N-acylamidine transition metal complexes of the general formula (I), wherein M represents a transition metal, selected from the group of metals including Ni, Cu, Ru, Rh, Pd, Os, Ir and Pt, X represents Cl, Br, triflate, methane sulfonate or p-toluol sulfonate, m is 0, 1 or 2, n is 1, 2 or 3 and the radicals have the following meanings: R1, R2 is a straight-chain or branched, cyclic hydrocarbon group with 1 to 20 carbon atoms which can be mono or poly-unsaturated, an aromatic group with 3 to 6 chain members, which is linked directly or via a C1 to C6 alkyl or C2 to C6 alkylene group, whereby the mentioned groups can carry one or more substituents. Ar represents C6 to C10 aryl or hetaryl with 5 to 10 ring members, whereby the mentioned groups can be substituted by C1 to C6 alkyl, C1 to C4 halogenalkyl, NR10R11, COOR6, Si(R7)3Si(R7)2R8, OR3 and/or halogen.

Abstract: A mild, palladium-free synthetic protocol for the cross-coupling reaction of vinyl or aryl iodides and thiols or selenols using, in certain embodiments, 10 mol % CuI and 10 mol % neocuproine, with NaOt-Bu as the base, in toluene at 110 ° C. A variety of vinyl/aryl sulfides and vinyl/aryl selenides can be synthesized in excellent yields from readily available iodides and thiols or selenols.

Abstract: A 2,6-dimethylphenol composition having an m-cresol content of from 15 to 700 ppm on a weight basis has effects of drastically improving polymerization activity and particularly, improving the color tone of polyphenylene ethers. Therefore, the composition makes it possible to provide a preparation process having improved productivity, and at the same time, provide polyphenylene ethers having good quality.

Abstract: The present invention relates to chiral salen catalysts and a process for preparing chiral compounds from racemic epoxides by using them. More particularly, the present invention is to provide a chiral polymeric salen catalyst and its use for producing chiral compounds such as chiral epoxides and chiral 1,2-diols economically in high yield and high optical purity by performing stereoselective hydrolysis or racemic epoxides.

Abstract: The invention relates to novel diphosphines, in optically pure or racemic form, of formula (I): in which: R1 and R2 are a (C5-C7)cycloalkyl group, an optionally substituted phenyl group or a 5-membered heteroaryl group; and A is (CH2—CH2) or CF2. The invention further relates to the use of a compound of formula (I) as a ligand for the preparation of a metal complex useful as a chiral catalyst in asymmetric catalysis, and to the chiral metal catalysts comprising at least one ligand of formula (I).

Abstract: Disclosed is an asymmetric copper catalyst composition comprising, as components, (a) an optically active bisoxazoline compound of formula (1): wherein R1 and R2 are different and each represents a hydrogen atom, an alkyl group, a cycloalkyl group, or a phenyl or aralkyl group which may be substituted, R3 and R4 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, or a phenyl or aralkyl group which may be substituted, or R3 and R4 may be bonded to each other to form a C3-5 cyclic alkylene group, R5 represents a hydrogen atom or a C1-6 alkyl group, or the two R5 groups may be bonded to each other to represent a C3-5 cyclic alkylene group, (b) a monovalent or divalent copper compound, and (c) a strong acid or a Lewis acid or a mixture thereof, and a process for producing an optically active cyclopropanecarboxylate using the same.

Abstract: P-chiral bisphospholane ligands and methods for their preparation are described. Use of metal/P-chiral bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds is also described.