Abstract: New methods for synthesizing boron-modified silazanes, their use as polymer-derived ceramic precursors, and polymer-derived ceramics and composites formed therefrom are disclosed. The polymeric ceramic precursors comprise a boron-modified silazane that is a room temperature liquid-phase polymer comprising a backbone having recurring monomeric repeat units comprising boron-nitrogen bonds. Nanocomposites comprising polymer-derived ceramics and carbon nanotubes are also disclosed.

Abstract: New methods for synthesizing boron-modified silazanes, their use as polymer-derived ceramic precursors, and polymer-derived ceramics and composites formed therefrom are disclosed. The polymeric ceramic precursors comprise a boron-modified silazane that is a room temperature liquid-phase polymer comprising a backbone having recurring monomeric repeat units comprising boron-nitrogen bonds. Nanocomposites comprising polymer-derived ceramics and carbon nanotubes are also disclosed.

Abstract: The present invention describes a solventless ligand exchange using a siloxane polymer having a binding ligand that displaces the binding ligand on a quantum dot material.

Abstract: The present invention relates to new hybrid, organic-inorganic hybrid silicates and metal-silicates characterized by a crystalline structure containing structural units having formula (a), wherein R is an organic group possibly containing one or more element T selected from Group IIIB, IVB, VB and from transition metals. A process starting from cyclic trisilanes for the preparation of said materials, is also described. These materials can be used as molecular sieves, adsorbents, in the field of catalysis, in the field of electronics, in the field of sensors, in the area of nanotechnology.

Abstract: A thermal crosslinking accelerator of a polysiloxane compound is shown by the following general formula (A-1), wherein R11, R12, R13, and R14 each represents a hydrogen atom, a halogen atom, a linear, a branched, a cyclic alkyl group having 1 to 20 carbon atoms, an optionally substituted aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, wherein some or all of the hydrogen atoms in these groups may be substituted by an alkoxy group. “a”, “b”, “c”, and “d” represent an integer of 0 to 5; in the case that “a”, “b”, “c”, and “d” are 2 or more, R11, R12, R13, and R14 may form a cyclic structure.

Abstract: A method for producing an anionized meso-form double-cross-linked ligand represented by formula (3), including: bringing a compound represented by formula (1) into contact with a compound represented by formula (2) at ?25° C. or less; and introducing an anionizing agent within 5 hours after the contact, wherein R1 to R10 are independently a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or the like; A and A? are independently a cross-linking group containing an atom belonging to the 14th group of the periodic table; M and M? are independently an atom belonging to the 1st or the 2nd group of the periodic table.

Abstract: Borate esters, boron-comprising dopants, and methods of fabricating boron-comprising dopants are provided herein. In an embodiment, a borate ester comprises boron and silicon wherein the boron is linked to the silicon by alkyl groups that are bonded via ester bonds with both the boron and the silicon. A method of fabricating a boron-comprising dopant comprises providing a borate and transesterifying the borate using a polyol-substituted silicon monomer.

Abstract: A borate moiety-contained linker and a bio-sensing element containing the same are disclosed. The borate moiety-contained linker can be used to modify a sensing molecule and connect the sensing molecule to a substrate to form the bio-sensing element.

Abstract: Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8). with R4 being a branched C3—6 alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).

Abstract: Provided is a metallosiloxane compound (A) prepared by reacting a bifunctional silane compound (S1), a monofunctional silane compound (S2), a boron compound (M), and optionally H2O in a molar ratio of [the silane compound (S1)]:[the silane compound (S2)]:[the boron compound (M)]: [H2O] of n:m:k:a, where n, m, k, and a satisfy all conditions (i), (ii), and (iii), in which the metallosiloxane compound has at least one Si—H bond or C2-10 alkenyl group per molecule, and the conditions (i), (ii), and (iii) are expressed as follows: (i) n>0, m>0, k>0, a?0; (ii) m/n?0.5; and (iii) (n+m)/k?1.

Abstract: Borate esters, boron-comprising dopants, and methods of fabricating boron-comprising dopants are provided herein. In an embodiment, a borate ester comprises boron and silicon wherein the boron is linked to the silicon by alkyl groups that are bonded via ester bonds with both the boron and the silicon. A method of fabricating a boron-comprising dopant comprises providing a borate and transesterifying the borate using a polyol-substituted silicon monomer.

Abstract: A coordination compound of an element of the boron group, the production of the compound and methods of using the compound as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity improver, and electrolyte.

Abstract: The present invention relates to new hybrid, organic-inorganic hybrid silicates and metal-silicates characterized by a crystalline structure containing structural units having formula (a), wherein R is an organic group possibly containing one or more element T selected from Group IIIB, IVB, VB and from transition metals. A process starting from cyclic trisilanes for the preparation of said materials, is also described. These materials can be used as molecular sieves, adsorbents, in the field of catalysis, in the field of electronics, in the field of sensors, in the area of nanotechnology.

Abstract: Disclosed herein are vinyl-bromides, vinyl-boronic acids and vinyl-boronic acid derivatives useful as synthetic intermediates for the preparation of therapeutic agents. Also disclosed are methods of synthesis of vinyl-bromides, vinyl-boronic acids and vinyl-boronic acid derivatives.

Abstract: A silica containing composition is disclosed. The silica composition comprising a compound having the following formula (SiO2)x(OH)yMzOaF: wherein M optionally exists and said M is at least one of the following metal or metalloid cations: boron, magnesium, aluminum, calcium, titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, palladium, silver, cadmium, tin, platinum, gold, and bismuth; wherein F optionally exists and said F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane, and an alkyl-containing organosilane at a surface area coverage of 0.01-100%; and wherein the molar ratio of y/x is equal to 0.01-0.5, the molar ratio of x/z is equal to 0.1-300, and the molar ratio of a/z is dependent on the nature of the metal oxide formed.

Abstract: A process for preparing a binder which comprises a heterocondensate of silicon compounds and metal and/or boron compounds. The process comprises mixing a silicon component which comprises (A), at least one hydrolyzable silicon compound having a non-hydrolyzable polymerizable group, with water to form a hydrolysis product, and 15 s to 15 min after mixing (A) with water, the addition of (B), at least one compound of boron or a metal selected from Al, Ga, In, Tl, Ge, Ga, Sn, Pb, Ti, Zr, Hf, Sc, Y and La.

Abstract: Doped polysilanes, inks containing the same, and methods for their preparation and use are disclosed. The doped polysilane generally has the formula H-[AaHb(DRx)m]q-[(AcHdR1e)n]p—H, where each instance of A is independently Si or Ge, and D is B, P, As or Sb. In preferred embodiments, R is H, -AfHf+1R2f, alkyl, aryl or substituted aryl, and R1 is independently H, halogen, aryl or substituted aryl. In one aspect, the method of making a doped poly(aryl)silane generally includes the steps of combining a doped silane of the formula AaHb+2(DRx)m (optionally further including a silane of the formula AcHd+2R1e) with a catalyst of the formula R4wR5yMXz (or an immobilized derivative thereof) to form a doped poly(aryl)silane, then removing the metal M. In another aspect, the method of making a doped polysilane includes the steps of halogenating a doped polyarylsilane, and reducing the doped halopolysilane with a metal hydride to form the doped polysilane.

Abstract: The present invention relates to the covalent anchorage of non-coordinating anions on mineral supports to prepare activating supports for the polymerisation of ethylene and alpha-olefins and wherein the activating species is provided by a phosphonium-borate or phosphonium alane pair. The invention also discloses the concomitant covalent anchorage of zwitterionic systems containing both the non-coordinating anion and the counter cation parts of the activating supports.

Abstract: The present invention provides a method of producing a tetracyanoborate-containing ionic compound in a milder condition more efficiently and less expensively than conventional methods, and a tetracyanoborate-containing ionic compound having a reduced content of impure components. An ionic compound of the present invention is represented by the following general formula (I), has a content of fluorine atom-containing impurities of 3 mol % or less per 100 mol % of the ionic compound, and a method for producing an ionic compound represented by the general formula (I) of the present invention comprises a step of reacting starting materials containing a cyanide and a boron compound. (In the formula, Ktm+ denotes an organic cation [Ktb]m+ or an inorganic cation [Ke]m+; and m denotes an integer of 1 to 3.

Abstract: Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8). with R4 being a branched C3—6 alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).

Abstract: The present invention relates to novel processes for preparing borylsilylamines, novel amines, novel borosilazane compounds, novel oligoborosilazane or polyborosilazane compounds which have the structural feature Si—N—B, ceramic material and methods of producing and using them.

Abstract: A manufacturing method for one of, or a mixture of, an optically active allylboron compound and racemic or optically active boryl cyclopropane, including a coupling reaction, in the presence of a catalyst, between allyl compound and diboron compound. It is preferred that a copper (I) complex is used as the catalyst. It is preferred that a counterion of the copper (I) complex is an alkoxide or a hydride. It is preferred that the copper (I) complex has a phosphine ligand. It is preferred that the phosphine ligand is a chiral phosphine ligand.

Abstract: The present invention discloses conjugated compounds containing heteroatom-centered arylsilane derivatives and their applications as host materials, electron transport materials, or hole transport materials in an organic electroluminescent device. The general structure of the conjugated compounds containing heteroatom-centered arylsilane derivatives is as follows: where X1, X2, X3, and X4 can be identical or different and X1, X2, X3, and X4 are independently selected from the group consisting of the following: H, B, N, P?O, Si—R9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 can be identical or different and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are independently selected from aryl group or heterocyclic aryl group containing one or more substituents.

Abstract: The present invention relates to novel processes for preparing borylsilylamines, novel amines, novel borosilazane compounds, novel oligoborosilazane or polyborosilazane compounds which have the structural feature Si—N—B, ceramic material and methods of producing and using them.

Abstract: A modified polyaluminosiloxane obtained by treating a polyaluminosiloxane with a silane coupling agent represented by the formula (I): wherein each of R1, R2 and R3 is independently an alkyl group or an alkoxy group; X is a methacryloxy group, a glycidoxy group, an amino group, a vinyl group or a mercapto group, with proviso that at least two of R1, R2 and R3 are alkoxy groups. The photosemiconductor element encapsulating material of the present invention is suitably used for, for example, photosemiconductor devices mounted with blue or white LED elements (backlights for liquid crystal displays, traffic lights, outdoor big displays, advertisement sign boards, and the like).

Abstract: The invention relates to a method for the regeneration of a reactor and the use of said method for the improved performance of production processes for desired products.

Abstract: Dopant-group substituted (cyclo)silane compounds, liquid-phase compositions containing such compounds, and methods for making the same. Such compounds (and/or ink compositions containing the same) are useful for printing or spin coating a doped silane film onto a substrate that can easily be converted into a doped amorphous or polycrystalline silicon film suitable for electronic devices. Thus, the present invention advantageously provides commercial qualities and quantities of doped semiconductor films from a doped “liquid silicon” composition.

Abstract: A coordination compound of an element of the boron group, the production of the compound and methods of using the compound as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity improver, and electrolyte.

Abstract: The invention relates to a method for continuously producing pre-ceramic polymers. The inventive method consists in synthesizing polymers, in separating polymers from a reaction mixture and in thermally conditioning for defining a cross linkage degree and rheological properties, wherein all said steps are integrated into a single method. The thus obtainable polymers are used in the form of an initial material for producing non-oxidized ceramics in ternary X/Y/N or X/Y/N/C quaternary systems. Said materials are characterized by the high mechanical, thermal and chemical resistance thereof, wherein any X and Y combination can represent in particular Si, B, P, Al, Ti, V, Zr, Ta elements.

Abstract: The invention relates to a continuous silazane cleavage method, especially for use in the production of molecular precursors for non-oxidic inorganic ceramics.

Abstract: A process for preparing a binder which comprises a heterocondensate of silicon compounds and metal and/or boron compounds. The process comprises mixing a silicon component which comprises (A), at least one hydrolyzable silicon compound having a non-hydrolyzable polymerizable group, with water to form a hydrolysis product, and 15 s to 15 min after mixing (A) with water, the addition of (B), at least one compound of boron or a metal selected from Al, Ga, In, Tl, Ge, Ga, Sn, Pb, Ti, Zr, Hf, Sc, Y and La.

Abstract: An OLED device comprises a cathode and an anode and has located therebetween a light-emitting layer comprising a phosphorescent light-emitting material and a host comprising a compound of a tetravalent atom wherein the four groups bonded to the atom are aromatic rings, at least one of which contains an electron-withdrawing group (EWG) substituent comprising at least three atoms, the compound having a triplet energy of at least 2.7 eV and a LUMO energy within 0.6 eV of the LUMO energy of at least one material in an adjacent layer on the cathode side of the light-emitting layer. Particular embodiments include certain tetravalent silicon compounds. The light-emitting layer emits blue light and provides good luminance and reduced drive voltage.

Abstract: A wood preservative composition comprising an aqueous preservative and 0.001-1.0 wt % of a polyether-modified silicone having a specific structure is provided. The polyether-modified silicone reduces the surface tension of the composition and helps the preservative penetrate deeply into the wood interior.

Abstract: The present invention discloses conjugated compounds containing heteroatom-centered arylsilane derivatives and their applications as host materials, electron transport materials, or hole transport materials in an organic electroluminescent device. The general structure of the conjugated compounds containing heteroatom-centered arylsilane derivatives is as follows: where X1, X2, X3, and X4 can be identical or different and X1, X2, X3, and X4 are independently selected from the group consisting of the following: H, B, N, P?O, Si—R9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 can be identical or different and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are independently selected from aryl group or heterocyclic aryl group containing one or more substituents.

Abstract: A manufacturing method for one of, or a mixture of, an optically active allylboron compound and racemic or optically active boryl cyclopropane, including a coupling reaction, in the presence of a catalyst, between allyl compound and diboron compound. It is preferred that a copper (I) complex is used as the catalyst. It is preferred that a counterion of the copper (I) complex is an alkoxide or a hydride. It is preferred that the copper (I) complex has a phosphine ligand. It is preferred that the phosphine ligand is a chiral phosphine ligand.

Abstract: The present invention concerns a process for producing silylalkylboranes containing the structural feature Si—C—B, new molecular silylalkylboranes, new molecular silylalkylborazines, new oligoborocarbosilazanes and polyborocarbosilazanes, a process for their production and their use as well as silicon boron carbide nitride ceramics and a process for their production.

Abstract: The present invention relates to novel alkylhalosilylaminoboranes, in particular alkylchlorosilylaminoboranes, which make it possible to adjust the viscosity of polyborosilazane compounds by varying the number of reactive centers, to novel borosilazane compounds, to novel oligoborosilazane or polyborosilazane compounds which have the structural feature R1—Si—NH—B—R2, where R1 or R2 or both is/are a hydrocarbon radical having from 1 to 20 carbon atoms, in particular an alkyl, phenyl or vinyl group, to silicon borocarbonitride ceramic powder, to ceramic material based on SiC, SiN and BN and to processes for producing each of these and to the use of the polyborosilazanes and the ceramic materials.

Abstract: A solid cocatalyst for olefin polymerization in which an ion-containing compound comprising a cation expressed by [R4M]+, wherein the group R are each individually selected from the group consisting of hydrogen atom and a substituted or non-substituted hydrocarbon group having from 1 to 30 carbon atoms with the exception of an aryl group; two or more groups R may form a ring by bonding with one another; at least one of the groups R is a hydrocarbon group having from 1 to 30 carbon atoms with the exception of an aryl group; and M represents nitrogen or sulfur, and a non-coordinating anion expressed by [A] said ion-containing compound is chemically bonded to a fine particulate carrier is used.

Abstract: A process for producing organic substituted aromatic or heteroaromatic compounds including biaryl and biheteroaryl compounds in a two-step reaction. In the first step, the aromatic or heteroaromatic compound is borylated in a reaction comprising a borane or diborane reagent (any boron reagent where the boron reagent contains a B—H, B—B or B—Si bond) and an iridium or rhodium catalytic complex. In the second step, a metal catalyst catalyzes the formation of the organic substituted aromatic or heteroaromatic compound from the borylated compound and an electrophile such as an aryl or organic halide, triflate (OSO2CF3), or nonaflate (OSO2C4F9). The steps in the process can be performed in a single reaction vessel or in separate reaction vessels. The present invention also provides a process for synthesis of complex polyphenylenes starting from halogenated aromatic compounds.

Abstract: The present invention concerns a process for producing silylalkylboranes containing the structural feature Si—C—B, new molecular silylalkylboranes, new molecular silyalkylborazines, new oligoborocarbosilazanes and polyborocarbosilazanes, a process for their production and their use as well as silicon boron carbide nitride ceramics and a process for their production.

Abstract: An activator for olefin polymerization catalysts is disclosed. One aspect of the activator is that it comprises a group-13 central atom connected to at least one fluorinated aryl ring that is itself substituted with a silyl acetylenic group. Some embodiments employ a neutral activator and others employ the activator as an anion coupled with a ligand-abstracting cation. These activators are discrete molecules.

Abstract: A process for producing organic substituted aromatic or heteroaromatic compounds including biaryl and biheteroaryl compounds in a two-step reaction. In the first step, the aromatic or heteroaromatic compound is borylated in a reaction comprising a borane or diborane reagent (any boron reagent where the boron reagent contains a B—H, B—B or B—Si bond) and an iridium or rhodium catalytic complex. In the second step, a metal catalyst catalyzes the formation of the organic substituted aromatic or heteroaromatic compound from the borylated compound and an electrophile such as an aryl or organic halide, triflate (OSO2CF3), or nonaflate (OSO2C4F9). The steps in the process can be performed in a single reaction vessel or in separate reaction vessels. The present invention also provides a process for synthesis of complex polyphenylenes starting from halogenated aromatic compounds.

Abstract: The present invention relates to an energy absorbent medium which is compliant and conformable in the absence of an applied force, and stiffens in response to the rate of an applied force to dissipate energy. The medium comprises a blend of a polymer and a lubricant incompatible with the polymer to produce a conformable absorbent which exhibits dilatant (shear thickening) characteristics under high rates of force or stress. The polymer has reformable sacrificial chemical bonds which are broken under a high rate of deformation and which reform under static conditions. Suitable polymers for the invention include polyborosiloxanes. Applications for the medium include absorbent for sports padding, athletic equipment, motor vehicle seats, bulletproof vests, medical equipment, industrial equipment, weaponry, and playing fields.

Abstract: The present invention concerns a process for producing silylalkylboranes containing the structural feature Si—C—B, new molecular silylalkylboranes, new molecular silyalkylborazines, new oligoborocarbosilazanes and polyborocarbosilazanes, a process for their production and their use as well as silicon boron carbide nitride ceramics and a process for their production.

Abstract: The present invention relates to novel processes for preparing borylsilylamines, novel amines, novel borosilazane compounds, novel oligoborosilazane or polyborosilazane compounds which have the structural feature Si—N—B, ceramic material and methods of producing and using them.

Abstract: The present invention relates to a novel dendrimic compounds, to a method for the production thereof and to the use thereof as catalysts for the production of polymers, in particular to the use thereof as co-catalysts for metallocenes for polymerizing unsaturated compounds.

Abstract: The present invention relates to metallocenes, wherein the two cyclopentadienyl rings are connected to each other by a single carbon atom characterized by the following general formula III where each A, equal to or different from each other, is selected from the group consisting of: hydrogen, OR3, NRR4, or SR5; and to compounds of formula IV wherein each B, equal to or different from each other, is selected from the group consisting of: OH, NRH or SH, obtained by hydrolizing the corresponding oxygen, nitrogen or sulfur containing groups from compounds of formula III. These compounds are used as active catalyst components in the polymerization of olefins.

Abstract: The present invention relates to novel aminosilylborylalkanes, to a process for their preparation from the corresponding chlorine compounds, to coated substrates produced using aminosilylborylalkanes of this type, and to a process for the production of ceramic protective layers.

Abstract: The present invention provides weakly coordinating anion salts comprising a reactive cation and uses thereof. In particular, the present invention provides compounds of the formula MxQy and uses thereof, where M, Q, x, and y are those defined herein.

Abstract: Compounds of formula I wherein R1, R2, and R3 independently of one another are hydrogen; C1-C20alkyl which is unsubstituted or substituted by OH, C1-C4alkoxy, C1-C4alkylthio, phenylthio, F, Cl, Br, I, CN, (C1-8alkyl)O—(CO)—, (C1-C4alkyl)—(CO)O— or/and di(C1-C4alkyl)amino; or R1, R2, and R3 independently of one another are C3-C6alkenyl; phenyl which is unsubstituted or substituted by OH, C1-C4alkoxy, C1-C4alkylthio, phenylthio, F, Cl, Br, I, CN, (C1-C8alkyl)O(CO)—, (C1-C4alkyl)—(CO)O— or/— and di(C1-C4alkyl)amino; or R1 and R2 together are C2-C9alkylene, o-xylylene, 2-butenylene, C3-C9oxaalkylene or C3-C9azaalkylene; R4, R5, R6, and R7 independently of one another are sec-C3-C20alkyl, tert-C4-C20alkyl or phenyl wherein these radicals are unsubstituted or substituted by OH, C1-C4alkoxy, C1-C4alkylthio, phenylthio, F, Cl, Br, I, CN, (C1-C8alkyl)O(CO)—, (C1-C4alkyl)—(CO)O— or/and di(C1-C4alkyl)amino; or R4 and R5, and/or R6 and R7