The present embodiments disclose the preparation of hyperpolarized 13C dialkyl succinate compounds and hyperpolarized 13C dialkyl fumarate compounds and their use in real time, in vivo metabolic imaging of the TCA cycle.

The present invention relates to norbornene-ester-based derivatives, to a method for preparing same, and to the uses thereof. This compound may be used as a plasticizer which can replace a phthalate-based plasticizer.

Chiral amino compounds, methods of preparation and uses thereof. Tamiflu can be obtained from the said compounds. Multi-substituted chiral tetrahydropyrrolyl amine which can be used as intermediate compounds of medicament can also be produced by the said compounds.

A catalyst for synthesis of lactic acid and it derivatives is provided. The catalyst includes SnY2.mH2O and at least one of NH4X or quaternary ammonium salts, wherein X and Y are selected from F—, Cl—, Br—, I—, CH3SO3—, C6H5SO3—, CH3C6H4SO3— or CN—, m represents an integer of 1 to 15. A method for synthesis of lactic acid and it derivatives with the above catalyst is also provided. By using the above catalyst and method, it is capable of converting carbohydrate-containing raw material to lactic acid and its derivatives directly in a more efficient and economical way.

This disclosure relates to a method for preparing alkyl lactate with high yield and high selectivity, comprising the step of reacting glycerol with water or alcohol in the presence of a catalyst. In addition, the present invention provides a method for efficiently preparing lactamide using the alkyl lactate.

Provided is a method for producing n-propyl acetate, which is capable of obtaining high-purity allyl acetate with a low amount of coexisting water and is capable of producing n-propyl acetate with a high yield. The method includes an extraction process of subjecting a raw material liquid containing allyl acetate and water to an extraction operation using water as an extraction solvent and separating the extract into an oily phase and an aqueous phase, a distillation process of distilling the oily phase to obtain a distillate containing allyl acetate as a main component, and a hydrogenation process of subjecting the distillate to a hydrogenation reaction.

The present invention describes chemical systems and methods for silylating aromatic organic substrates, said system comprising a mixture of (a) at least one organosilane and (b) at least one strong base, said system being substantially free of a transition-metal compound, and said methods comprising contacting a quantity of the organic substrate with a mixture of (a) at least one organosilane and (b) at least one strong base, under conditions sufficient to silylate the aromatic substrate; wherein said system is substantially free of a transition-metal compound.

The present invention features monocyclic cyanoenone compositions and methods for using the same in the treatment of diseases such as cancer, inflammatory diseases and neurodegenerative diseases.

Phosphoranimide-metal catalysts are disclosed. The catalysts comprise first row transition metals such as nickel, cobalt or iron. The hydrocarbon-soluble catalysts have a metal to anionic phosphoranimide ratio of 1:1, and have no inactive bulk phase and no dative ancillary ligands. The electronic state of the clusters can be adjusted to optimize catalytic activity for a range of commercially important reductive transformations, including hydrodesulfurization. A method of synthesis of these catalysts by anionic metathesis of a halide substituted precursor followed by oxidation is also disclosed.

A process to prepared bridged bis(indenyl)ligands, comprising the step of reacting a 2-indenylpinacolyl borane compound with a bromosubstituted compound in the presence of a Pd catalyst and a base to form the corresponding bridged bis(indenyl) ligand. The process may further comprise the step of reacting a 2-bromo indene compound with pinacolborane in the presence of a Pd catalyst and a base to form the corresponding 2-indenylpinacolylborane compound. These bridged bis(indenyl)ligands may suitably be used in the preparation of metallocene complexes, such as 2,2'-bis(2-indenyl)biphenyl ZrCl2 and 1,2-bis(2-indenyl)benzene ZrCl2. These metallocene complexes may be used for the polymerization, optionally in the presence of a cocatalyst, of one or more α-olefins, preferably for the polymerization of ethylene.

Disclosed are effective and simple adsorbents and methods of using the adsorbents for removing metal impurities generated during storage, transportation and supply of organometallic compounds. The disclosed adsorbents and methods provide for the easy and effective removal of the metallic impurities or compounds generated from decomposition of the organometallic compound during its transportation, storage, and supply. Namely, the disclosed adsorbents and methods permit the stable supply of a high purity organometallic compound desired in the semiconductor and photovoltaic cell.

The present invention relates to a method for producing inorganic oxide particles, comprising at least the following steps of: coagulating a dispersion obtained by carrying out the hydrolysis reaction and the polycodensation reaction of a metal alkoxide in the presence of a basic catalyst; filtering the dispersion to obtain particles; anddrying the particles, whereinthe step of coagulating the dispersion is carried out by adding a coagulant comprising at least one compound selected from the group consisting of carbon dioxide, ammonium carbonate, ammonium hydrogen carbonate and ammonium carbamate to the dispersion. The inorganic oxide particles obtained by the method of the present invention have high purity and are excellent in flowability.

Provided by the present invention is a method for efficient oxidation of alcohols by using, as a catalyst for dehydrogenation oxidation, a ruthenium complex which can be easily produced and easily handled and is obtainable at a relatively low cost. The invention relates to a method of producing a compound having a carbonyl group by dehydrogenation oxidation of alcohols by using as a catalyst the ruthenium carbonyl complex represented by the following general formula (1) RuXY(CO)(L) (1) (in the general formula (1), X and Y may be the same or different from each other and represent an anionic ligand, and L represents a tridentate aminodiphosphine ligand).

The invention provides a process for the synthesis of a polycarbonate, the process comprising the step of reacting carbon dioxide with at least one epoxide in the presence of a catalyst of formula (I) and a chain transfer agent. The invention also provides a polymerization system for the copolymerization of carbon dioxide and at least one epoxide comprising a catalyst of formula (I) and a chain transfer agent, polycarbonates produced by the inventive process, a block copolymer comprising a polycarbonate produced by the inventive process, and a method of producing the block copolymer. The invention also relates to novel catalysts of formula (III).

A method of continuously manufacturing organometallic compounds is provided where two or more reactants are conveyed to a reactor having a laminar flow contacting zone, a heat transfer zone, and a mixing zone having a turbulence-promoting device; and causing the reactants to form the organometallic compound.

A method of manufacturing a water repellent film includes, before a formation step of forming an organic film on a substrate using a silane coupling agent by a vapor phase deposition method under film formation conditions, a step of specifying the film formation conditions using a test substrate of a same material as the substrate used in the formation step. The film formation condition specifying step includes: specifying film formation temperature to be not lower than a temperature at which the silane coupling agent evaporates and to be lower than a temperature at which the silane coupling agent bumps; and forming an organic film of the silane coupling agent on the test substrate at the specified film formation temperature, measuring by optical microscopic observation a time at which a bead of surplus water repellent material is formed, and specifying the film formation duration to be shorter than the measured time.

Asymmetric aryl polyhedral oligomeric silsesquioxanes (ArPoss) compounds synthesized by the “corner-capping” of phenyl7Si7O9(OH)3 with aryl trichlorosilanes are described. The ArPoss compounds have the chemical structure: wherein Ph is phenyl and wherein R is selected from the group consisting of: and mixtures thereof.

A combination of a substrate selected from silicon, silicon carbide or a metal and a grapheme precursor having the following properties: (a) an aromatic structure that forms the basis of the graphene structure, said aromatic structure being selected from the group consisting of: benzene, naphthalene, pyrene, anthracene, chrysene, coronene, and phenanthrene, or a cyclic or acyclic structures which can be converted to aromatic structures and (b) functional groups that can react with each other to form additional aromatic structures.

The present invention relates to organometallic compounds useful in the treatment of metastasis. The organometallic compounds comprise a ligand that is covalently bound to a bioactive compound, which is an inhibitor of a resistance pathway or a derivative thereof. Preferably, the organometallic compounds are half-sandwich (“piano-stool”) compounds. The compounds of the present invention offer a high variability with respect to the bioactive compound and to the nature of the ligand bound to a central transition metal.

A new functionalized polyhedral octavinylsilsesquioxanes having the general formula 1, in which R1 denotes: (1) any aryl group other than a non-substituted phenyl or a phenyl substituted in position four with a halogen or the groups-trimethylsilylethynyl, 4,4,5,5-tetramethyl-1,3-dioxaborolane-2-yl, 3,4-dimethoxyphenyl, 3',5'-bis(methoxycarbonyl)phenyl or benzo[d][1,3]-dioxol-5-yl; (2) any heteroaryl group; or (3) groups including coupled aromatic rings. Additionally, a method to obtain new and known functionalized polyhedral octavinylsilsesquioxanes having the general formula 1, by the silylating coupling of octavinylsilsesquioxane with olefins in the presence of a ruthenium complex catalyst.

The present invention provides methods of making stereo-enriched ansa-metallocene compounds using an unchelated amine compound. Generally, these methods result in a rac:meso isomer selectivity of the stereo-enriched ansa-metallocene compound of greater than 4:1.

The invention relates to a method for producing monocarboxy-functionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, and b) the obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with an oxidizing agent or with an oxidizing agent and water or with oxygen and water in the presence of a catalyst B to obtain the alkylphosphonic acid derivative (III), wherein R1, R2, R3, R4 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, X and Y are identical or different from each other and independently represent H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, and catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand.

Nickel(II) compositions for use in manufacturing nickel metal (Ni(0)) compositions, and specifically to methods of making basic nickel carbonates used to produce nickel metal compositions are disclosed. By varying the molar ratios of carbonates and bicarbonates to nickel salts, the methods provide basic nickel carbonates that produce superior nickel metal-containing solids that are well-suited to forming nickel-ligand complexes with phosphorus-containing ligands. The phosphorus-containing ligands can be monodentate or bidentate phosphorus-containing ligands.

A silane compound having a secondary amino group protected with a specific silyl group is useful as silane coupling agent, resin additive, textile treating agent, surface treating agent, paint additive, and adhesive.

A dual end glycerol (meth)acrylate-modified silicone having formula (I): R1Me2SiO(R22SiO)aSiMe2R1 is novel. R1 is a mixture of 70-95 mol % of a group having formula (i) and 30-5 mol % of a group having formula (ii) wherein R3 is H or methyl, R2 is a monovalent hydrocarbon group which may be halogenated, Me stands for methyl, and a is an integer of 10-300.

Disclosed are novel ruthenium compounds of formula (Ia) and (Ib): wherein R1 and the moiety are defined herein. Also disclosed is a process for using these novel ruthenium compounds as catalysts for asymmetric hydrogenation and transfer hydrogenation of ketones with high reactivities and excellent selectivities.

The invention provides a silane compound that includes a hydrophobic group and a silane ester group linked by a hydrophilic group for use as a surface treatment to an inorganic material, such as a pigment, the silane including a hydrophobic group and a silane ester group linked by a hydrophilic group. The invention includes a coated particle including an inorganic material coated with the silane compound(s) and methods of improving the wettability and/or dispersibility of an inorganic material such as a pigment, wherein the method comprises depositing the silane compounds on the surface of a pigment.

The present invention relates to a process for recovery of homogeneous metal hydride catalyst from a reactor stream as catalyst suitable for recycle to a reactor comprising the steps of: removing a stream from a reactor, said stream comprising the homogeneous metal hydride catalyst; contacting the stream with a solid acidic absorbent under process conditions which allow at least some of the metal to become bound to the absorbent; subjecting the metal bound to the absorbent, under process conditions which allow desorption of the metal, to a fluid stripping medium comprising hydrogen and solvent; and recovering the active metal hydride catalyst.

Substrates, surfaces, assemblies, kits, compositions, and methods are provided for forming touch screens and other appliance surfaces exhibiting good hydrophobicity, oleophobicity, and abrasion resistance. Methods are provided for increasing a population density of hydroxyl groups on a touch surface of a touch screen substrate without affecting the compressive strength of the back surface. The treated touch surface of the substrate can then be coated with a coating that includes an organo-metallic and/or silane, for example, a fluorosilane such as a perfluoropolyether alkoxysilane. A substrate can retain its compressive resistance to breakage by impact applied to the touch surface while minimizing any decrease in compressive strength against impact against the touch surface. Examples of such substrates include touch screens for mobile and desktop electronic devices, components of 3D display devices, and components for electrowetting display devices.

The invention relates to a method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof by means of acrylnitriles, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with an acrylnitrile of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted to yield a mono-aminofunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst C or a reduction agent, wherein R1, R2, R3, R4, R5, R6, R7 are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl and X stands for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and Y stands for a mineral acid, a carboxylic acid, a Lewis acid or an organic acid, n=an integer or fractional number of 0 to 4 and the catalysts A and C are formed by transition metals, transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand, and catalyst B is formed by compounds forming peroxides, peroxo compounds, azo compounds, alkali metals, alkaline earth metals, alkali hydrides, alkaline earth hydrides and/or alkali alcoholates and alkaline earth alcoholates.

A method of preparing organohalosilanes comprising combining an organohalide having the formula RX (I), wherein R is a hydrocarbyl group having 1 to 10 carbon atoms and X is fluoro, chloro, bromo, or iodo, with a contact mass comprising at least 2% (w/w) of a palladium suicide of the formula PdxSiy (II), wherein x is an integer from 1 to 5 and y is 1 to 8, or a platinum suicide of formula PtzSi (III), wherein z is 1 or 2, in a reactor at a temperature from 250 to 700° C. to form an organohalosilane.

Apparatus and methods are provided for forming and processing multiphasic systems. In one embodiment, the invention provides a process for the manufacture of an epoxide, including reacting an olefinically unsaturated compound with an oxidant in the presence of a buffer component and a water-soluble manganese complex disposed in an aqueous phase having a first pH level in a first multiphasic system, adjusting the pH of the aqueous phase to a second pH level less than the first pH level, isolating at least a portion of the aqueous phase from the first multiphasic system, adjusting the pH of the at least a portion of the aqueous phase to a third pH level greater than the second pH level, and introducing the at least a portion of the aqueous phase into a second multiphasic system.

The present invention relates to a novel compound of Formula 1, a method for manufacturing the same, and an organic electronic device using the same, and the novel compound according to the present invention may act as a hole injection, hole transport, electron injection and transport, or light emitting material in an organic light emitting device and an organic electronic device, and the device according to the present invention shows excellent properties in terms of efficiency, a driving voltage, and stability.

Method for preparing diamino-dianhydro-dideoxyhexitols, particularly 2,5-diamino-1,4:3,6-dianhydro-2,5-dideoxy-D-hexitol. The invention related to a method for preparing diamino-dianhydro-dideoxyhexitols, particularly preferably 2,5-diamino-1,4:3,6-dianhydro-2,5-dideoxy-D-hexitol.

Compounds and methods related to the activation of the TrkB receptor are provided. The methods include administering a 7,8-dihydroxyflavone derivative with modified flavone or heterocyclic ring to a subject in need thereof. Methods and compounds for the treatment of disorders including neurologic disorders, neuropsychiatric disorders, and metabolic disorders (e.g., obesity) are provided.

Provided are a novel 1,2-bis(dialkylphosphino)-4,5-(methylenedioxy)benzene derivative that forms a metal complex having particularly high asymmetry induction capacity and catalytic activity on β-dehydroamino acids, a method for manufacturing the same, a metal complex having this 1,2-bis(dialkylphosphino)-4,5-(methylenedioxy)benzene derivative as a ligand, and an asymmetric hydrogenation method using this metal complex. A 1,2-bis(dialkylphosphino)-4,5-(methylenedioxy)benzene derivative represented by general formula (1). (In the formula, R1 and R2 represent an alkyl group having 1-10 carbon atoms, and R1 and R2 have different numbers of carbon atoms.)

A method of manufacturing a compound or a salt thereof expressed with a formula (III) below, characterized by causing a compound or a salt thereof expressed with a formula (I) below and a compound or a salt thereof expressed with a formula (II) below to react in the presence of carbonate and copper salt or in the presence of hydroxide salt, carbonate, and copper salt.

The present invention is directed to 5-sec-butyl-2-(2,4-dimethyl-cyclohex-3-enyl)-5-methyl-[1,3]dioxane and a novel process for making the same.

The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (I) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.

A method is provided for the preparation of anhydrosugar alcohols. The method involves dehydration of a hexitol with a mixed acid of a first acid and second acid, in which the first acid is sulfuric acid and the second acid is at least one sulfur-containing acid or sulfur-containing acid salt selected from the group consisting of p-toluenesulfonic acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid and aluminum sulfate. Also provided are methods for purification of the resulting product.

The present invention relates to a method of making low colored bis(2-ethylhexyl) furan-2,5-dicarboxylate (BEHFD) plasticizer via mild hydrogenation of highly colored BEHFD.

A compound with a diphenylmethane moiety having an inhibitory activity against sodium-dependent glucose cotransporter 2 (SGLT2) being present in the intestine and kidney is disclosed. A pharmaceutical composition including the compound as an active ingredient, which is useful for preventing or treating metabolic disorders, particularly diabetes is disclosed. A method for preparing the compound, and a method for preventing or treating metabolic disorders, particularly diabetes, by using the compound is provided.

A catalyst for an organic reaction and a method of using a catalyst in an organic reaction are provided. The catalyst for an addition or condensation reaction includes a graphene oxide including an oxygen functional group, and the catalyst is configured to promote the addition or condensation reaction by bonding the oxygen functional group with an alkali metal ion or alkali earth metal ion during the addition or condensation reaction.

Provided are a method of preparing a chlorohydrin composition and a method of preparing epichlorohydrin by using a chlorohydrin composition prepared by using the method. The method of preparing chlorohydrins in which polyhydroxy aliphatic hydrocarbon is reacted with a chlorination agent in the presence of a catalyst includes performing at least one combination of a series of unit operations comprising a first reaction step, a water removal step, and a second reaction step in this stated order, wherein the method further includes mixing a chlorohydrin concentrate obtained by purifying the reaction mixture discharged from the final reaction step from among the reaction steps and a water-rich layer discharged from the water-removal step and diluting the mixture with water. The method of preparing epichlorohydrin includes contacting the chlorohydrin composition prepared by using the method of preparing a chlorohydrin composition with an alkaline agent.

A polymer, optionally made from renewable sources, comprising a specific chemical structure that is a result of the polymerization of α-hydroxycarbonyl compounds (alpha-hydroxycarbonyl compounds), particularly α-hydroxyaldehydes (alpha-hydroxyaldehydes) and α-hydroxyketones (alpha-hydroxyketones), or glycolaldehyde. A method of polymerization, the method comprising the step of reacting trimethylsilyl trifluoromethanesulfonate with the cyclic dimer of one or more α-hydroxycarbonyl compounds. A method of making said polymer, the method comprising dehydrating a cyclic dimer of one or more α-hydroxycarbonyl compounds. An end-capped polymer made from one or more α-hydroxycarbonyl compounds and terminal end-cap groups.

The present invention relates to the preparation of cyclopropane derivatives, in particular 2-amino-9-[[(1S,2R)-1,2-bis(hydroxymethyl)cyclopropyl]methyl]-4,8-dihydro-1H-purin-6-one, especially via the [(1S,7R)-4-phenyl-3,5-dioxabicyclo[5.1.0]octan-1-yl]methanol intermediate.

The present invention provides a diaryl sulfone compound represented by Formula (1) below: wherein R1 to R4 and R1' to R4' are the same or different; each represents hydrogen, C1-4 alkyl, or halogen; and R5 is (thio)glycidyl, acryloyl, or the like; and a method for producing the same. According to the present invention, a novel compound useful as a monomer for producing synthetic resin having a high refractive index and excellent transparency for optical materials can be efficiently produced with a simple production process, using an inexpensive material as a starting material.

Provided is a method of producing an organic transistor, including collectively forming a gate insulating film and an organic semiconductor film by applying, onto a gate electrode, a solution including a polymer and at least one of compounds represented by General Formulas 1 to 4 and 5 to 7, a compound having a structure represented by General Formula 4, a compound having a structure represented by General Formula 5 or 6, and forming a source electrode and a drain electrode on the organic semiconductor film. (where R is a linear or branched alkyl group) (where R is an alkyl group) (where R is an alkyl group) (where A1 and A2 are represented by Formula 8) (where R is an alkyl group or another substituent).

Bromoacetoxycalcidiol (B3CD), which is structurally related to calcidiol, exhibits cytotoxic and apoptotic activity toward cancer cells, including highly aggressive neuroblastoma cells. A series of small molecules designed around the structure of B3CD is expected to have growth inhibitory and apoptogenic activities toward a wide range of malignancies. B3CD shows no apparent toxicity in vivo, indicating potential value as a chemotherapeutic agent which will be particularly useful in treating highly aggressive tumors.

Steroid compounds having increased resistance against metabolism and increased water solubility are disclosed, together with methods for their production. These substances are suitable for the manufacture of pharmaceuticals for the treatment of steroid related or steroid induced CNS disorders and for use in methods of prevention, alleviation or treatment of such disorders.