Abstract: A method includes producing a substituted cyclosilane by combining in a solvent the following: (i) halogenated cyclosilane, (ii) at least one of tri-alkyl or tri-aryl silane, and (iii) a complexing agent that includes at least one of ammonium halide or phosphonium halide. The halogenated cyclosilane reacts to produce the substituted cyclosilane.

Abstract: A composition and method for using the composition in the fabrication of an electronic device are disclosed. Compounds, compositions and methods for depositing a low dielectric constant (<4.0) and high oxygen ash resistance silicon-containing film such as, without limitation, a carbon doped silicon oxide, are disclosed.

Abstract: Provided herein are compositions and methods for use of an organosilica material comprising a copolymer of at least one monomer of Formula [R1R2SiCH2]3 (I), wherein, R1 represents a C1-C4 alkoxy group; and R2 is a C1-C4 alkoxy group or a C1-C4 alkyl group; and at least one other monomer of Formula [(Z1O)xZ23-xSi—Z3—SZ4] (II), wherein, Z1 represents a hydrolysable functional group; Z2 represents a C1-C10 alkyl or aryl group; Z3 represents a C2-C11 cyclic or linear hydrocarbon; Z4 is either H or O3H; and x represents any one of integers 1, 2, and 3. The composition may be used as a support material to covalently attach transition metal cations, as a sorbent for olefin/paraffin separations, as a catalyst support for hydrogenation reactions, as a precursor for highly dispersed metal nanoparticles, or as a polar sorbent for crude feeds.

Abstract: Methods of preparing organosilica materials, which are a polymer comprising of at least one independent cyclic polyurea monomer of Formula wherein each R1 is a Z1OZ2Z3SiZ4 group, wherein each Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer unit; each Z2 and Z3 independently represent a hydroxyl group, a C1-C4 alkyl group, a C1-C4 alkoxy group or an oxygen atom bonded to a silicon atom of another monomer unit; and each Z4 represents a C1-C8 alkylene group bonded to a nitrogen atom of the cyclic polyurea are provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal, etc., are also provided herein.

Abstract: The invention relates to aza-sila compounds of Formula (I), useful as insect repellants. wherein, ‘A’ is selected from the group consisting of branched or unbranched (C I-CI 2) alkyl, branched or unbranched (CI-CI 2) alkynyl; and substituted or unsubstituted 4 to 6 membered acyclic saturated or unsaturated compounds, wherein the substituents are selected from the group consisting of halogen, hydrogen, (CI-C6) alkyl, aryl, arylalkyl and heterocyclic; or ‘A’ is independently selected from the group consisting of the following moiety: Formula (II) wherein, X and Y are identical or different and independently selected from the group consisting of —C—, —N, —O, and —S; where R1, R2, R3, and R4 are identical or different and are independently selected from the group consisting of hydrogen, halogen, linear or branched (C1-C6) alkyl, aryl, arylalkyl, hydroxyl, and heterocyclic; and wherein, the halogen is selected from the group consisting of —CI, —I, —Br, and —F.

Abstract: The conversion method of T8 type Polyhedral Oligomeric Silsesquioxanes (POSS) into T10 type compounds, includes treating octasilsesquioxane of the general formula (RSiO1.5)8 (wherein R is hydride, ethyl, vinyl, 3-chloropropyl, 3-hydroxypropyl, phenyl, octyl, 3-decanaminepropyl, 3-benzamideamidepropyl group and 3-aminepropyl hydrochloride group) with at least 10-fold excess of organic acid giving decasilsesquioxane (RSiO1.5)10. The reaction is conducted in air.

Abstract: A process for recovering Li-ions can include: providing a composition having Li-ions to be extracted therefrom; removing materials from the Li-ions; introducing one or more cyclic siloxane to the Li-ions so as to form one or more cyclic siloxane-Li-ion complexes; extracting the one or more cyclic siloxane-Li-ion complexes by one or more liquid-liquid extraction steps; separating an organic phase having the cyclic siloxane-Li-ion complexes from an aqueous phase; removing water from the organic phase; filtering the organic phase to obtain a filtrate; and obtaining one or more Li-ions (e.g., Li salts) from the filtrate.

Abstract: A method of preparing a cyclohexasilane compound from trichlorosilane is provided. The method includes contacting trichlorosilane with a reagent composition to produce a compound containing a tetradecahalocyclohexasilane dianion, such as a tetradecachlorocyclohexasilane dianion. The reagent composition typically includes (a) tertiary polyamine ligand; and (b) a deprotonating reagent, such as a tertiary amine having a pKa of at least about 10.5. Methods of converting the tetradecahalocyclohexasilane dianion-containing compound to cyclohexasilane or a dodecaorganocyclohexasilane are also provided.

Abstract: The present invention relates to novel silica materials, precursors thereof and the preparation thereof. The compounds may be used for a variety of applications, including chromatography and catalysis.

Abstract: A condensed compound is represented by Formula 1 below: An organic light-emitting diode includes a substrate, a first electrode on the substrate, a second electrode disposed opposite to the first electrode, and an organic layer interposed between the first electrode and the second electrode. The organic layer includes at least one layer including a compound of Formula 1.

Abstract: The invention pertains to a near-infrared fluorescent dye that is cell permeable and can be attached to selected proteins in living cells. The dye has the general formula or its corresponding spirolactone wherein Y is chosen from the group consisting of Si, Ge and Sn; R0 is —COO? or COOH; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16 are substituents, including hydrogen, independently from each other. The dye (i) absorbs and emits light at wavelengths above 600 nm; (ii) possesses high photostability; (iii) has high extinction coefficients and high quantum yields; (iv) can be derivatized with different molecules; and (v) is membrane-permeable and shows minimal background binding to biomolecules and biomolecular structures.

Abstract: A compound represented by the formula (I) (R1 represents a substituent on the benzene ring; R2 represents a monovalent substituent; R3 and R4 represent hydrogen atom, or an alkyl group; R5 and R6 represent an alkyl group, or an aryl group; R7 and R8 represent hydrogen atom, or an alkyl group; R9 and R10 represent hydrogen atom, or a monovalent substituent; and X represents silicon atom, germanium atom, or tin atom), or a salt thereof.

Abstract: The invention provides fluorescent sensors for the selective detection of a metal such as copper. The sensors may be considered to be derivatives of cyanine, fluorescein, rhodamine, rhodol, Tokyo green, or BODIPY. The sensors find particular use in detecting copper in cells and living animals.

Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: wherein R1 to R6; Q1 and Q2; X1, X2, X3 and X4 are as defined herein.

Abstract: Si- and Ge-based dyes and methods of using same.

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: An organic electroluminescent element that uses a compound expressed by the following general formula emits dark blue light and exhibits little change in chromaticity during brightness modulation. (n1 is an integer from 0 to 8; the R1 [groups] are each independently a substituent substituted for a hydrogen atom of the pyrene skeleton; X is CRaRb (Ra and Rb are each independently a hydrogen atom or a substituent), O, S, or SiRdRe (Rd and Re are each independently a hydrogen atom or a substituent); and A1 to A4 represent each independently either N or CRf (Rf represents a hydrogen atom or a substituent, and two adjacent Rf [groups] may jointly form a saturated or unsaturated ring, but no more than two rings may be formed jointly by two or more of the Rf [groups]).

Abstract: A process for producing a cyclic silane compound, in which a chained polysilane is subjected to pyrolysis in the presence of an oxide of a transition metal belonging to Group 8 or Group 11 of the periodic table; and a process for producing a cyclic carbosilane compound, that includes subjecting a chained polysilane to pyrolysis in the presence of a simple substance of a metal selected from the group consisting of transition metal elements and elements belonging to Groups 12 to 15 of the periodic table, or a compound thereof.

Abstract: Disclosed herein are functionalized Group IVA particles, methods of preparing the Group IVA particles, and methods of using the Group IVA particles. The Group IVA particles may be passivated with at least one layer of material covering at least a portion of the particle. The layer of material may be a covalently bonded non-dielectric layer of material. The Group IVA particles may be used in various technologies, including lithium ion batteries and photovoltaic cells.

Abstract: A compound represented by the formula (I) (one of substituents represented by R1 is a trapping group for an object substance for measurement; R2 and R3 represent hydrogen, alkyl, or halogen; R4 and R5 represent alkyl or aryl; R6 and R7 represent hydrogen, alkyl, or halogen; R8 represents hydrogen, alkylcarbonyl, or alkylcarbonyloxymethyl, and X represents silicon, germanium, or tin, which can be used as a fluorescent probe that enables red color bioimaging using intramolecular photoinduced electron transfer.

Abstract: The invention provides fluorescent sensors for the selective detection of a metal such as copper. The sensors may be considered to be derivatives of cyanine, fluorescein, rhodamine, rhodol, Tokyo green, or BODIPY. The sensors find particular use in detecting copper in cells and living animals.

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: 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 polymer containing an optionally substituted repeat unit of formula (I) wherein each R is the same or different and represents H or an electron withdrawing group, and each R1 is the same or different and represents a substituent.

Abstract: Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic diol-derived blocked mercaptofunctional silanes, processes for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof.

Abstract: A process for benzylating an alcohol includes mixing 2-benzyloxy-1-methylpyridinium triflate in an aromatic hydrocarbon solvent having a predetermined boiling point; adding an acid scavenger to the mixture; combining the alcohol to be benzylated with the mixture; reacting the alcohol with the 2-benzyloxy-1-methylpyridinium triflate by heating above ambient temperature to generate the benzylated alcohol; and separating the benzylated alcohol from the mixture.

Abstract: There is provided a hydroxyl-functional carbamoyl organosilicon compound, an anti-corrosion and/or adhesion promoting coating composition based thereon, a method for coating a metal surface employing the coating composition and the resulting coated metal article.

Abstract: A compound represented by the formula (I) (R1 represents hydrogen atom or a monovalent substituent; R2 and R3 represent hydrogen atom, an alkyl group, or a halogen atom; R4 and R5 represent an alkyl group or an aryl group; R6 and R7 represent hydrogen atom, an alkyl group, or a halogen atom; R8 represent hydroxy group or a dialkoxyboranetriyl group; and X represents silicon atom, germanium atom, or tin atom), which is a novel fluorophore usable as a mother nucleus of an off/on type fluorescent probe not utilizing the intramolecular photoinduced electron transfer.

Abstract: Provided herein are improved fluorogenic compounds and probes that can be used as reagents for measuring, detecting and/or screening peroxynitrite. The fluorogenic compounds of the invention can produce fluorescence colors, such as green, yellow, red, or far-red. Also provided herein are fluorogenic compounds for selectively staining peroxynitrite in the mitochondria of living cells. Provided also herein are methods that can be used to measure, directly or indirectly, the presence and/or amount of peroxynitrite in chemical samples and biological samples such as cells and tissues in living organisms. Also provided are high-throughput screening methods for detecting or screening peroxynitrite or compounds that can increase or decrease the level of peroxynitrite in chemical and biological samples.

Abstract: An insulating film material for plasma CVD represented by a chemical formula (1) shown below, a method of film formation using the insulating film material, and an insulating film. According to the present invention, an insulating film having a low dielectric constant and a superior copper diffusion barrier property suitable for an interlayer insulating film or the like of a semiconductor device can be obtained. In the chemical formula (1), n represents an integer of 3 to 6, and each of R1 and R2 independently represents one of C2H, C2H3, C3H3, C3H5, C3H7, C4H5, C4H7, C4H9, C5H7, C5H9 and C5H11.

Abstract: Mechanosynthesis trajectories are described which are approximately coaxial, and are shown to be useful in a wide range of mechanosynthesis reactions regardless of the nature of the tip or the feedstock being transferred.

Abstract: Methods and systems for building three-dimensional workpieces are described using a plurality of mechanosynthetic reactions. These methods may employ engineered reliability in reactions and process conditions and may use simulated or otherwise vetted reaction sequences, to allow workpieces requiring many reactions to be built with acceptable reliability. These many reactions may be the repetition of one or a small number of reactions, or many diverse reactions, or a combination thereof.

Abstract: Processes are described for manufacturing atomically-precise tips using one or more tips in one or more mechanosynthetic reactions to create one or more atomically-precise tips. The processes may employ a variety of feedstock, binding any of a wide range of atoms to a workpiece to build the one or more atomically-precise tips. The processes result in atomically-precise mechanosynthesis tips with a wide variety of possible tip structures using a wide range of feedstock binding elements. Characteristics of such tips that may be used when designing new embodiments are also described.

Abstract: This application relates to cyclic siloxane compounds comprising the structural formula where a?2 and b?2, R is an alkyl group containing 1 to 4 carbon atoms, R1 is independently hydrogen or methyl, compositions comprising any of the above cyclic siloxanes and an additional silicone, emulsion compositions comprising any of the above cyclic siloxanes or the above composition, and a process for preparing the above cyclic siloxane compounds comprising reacting a chloro end-blocked polydimethylsiloxane with a diol functional compound containing at least 3 carbon atoms.

Abstract: A quinoid silafluorene organic semiconductor material represented by formula (I) is disclosed, in which R1, R2, R5 and R6 are selected from H or C1-C20 alkyl; R3 and R4 are selected from C1-C20 alkyl; m and n are an integer of 0 to 10. A preparation method of said quinoid silafluorene organic semiconductor material and the use thereof are also disclosed.

Abstract: Fluorescent bioprobes comprising fluorogen formed nanoparticles comprising fluorogens with aggregation-induced emission (ATE) properties, which can be used for long-term cell tracking. The fluorogens are nonemissive in organic solution but become highly emissive when aggregated in aqueous solution. The fluorescent molecules can readily pass through cell membranes, stain only the cell cytoplasm, and form highly emissive nanoaggregates in aqueous media without any obvious cytoxicity in the living cells. Furthermore, the molecules can be retained inside the cells without noticeable leakage to the outside. Therefore, these ATE-based compounds can be used as selective and cell-compatible fluroescent bioprobes for long-term live cell tracking and imaging.

Abstract: The present invention relates to novel 1,4-disilacyclohexane derivatives and a preparation method thereof. More particularly, the present invention provides a method for preparing 1,4-disilacyclohexane derivatives with a hexagonal ring structure at high yield through double silylation of an organosilane compound and a vinyl silane compound having an unsaturated double bond using quarternary organophosphonium salts as a catalyst. According to the present invention, tris(silyl)ethanes having three silyl groups in one molecule can be prepared at the same time and the catalyst can be recovered after reaction. Thus, the method is economical and enables mass-production of 1,4-disilacydohexane derivatives and tris(silyl)ethanes which are precursors of organic/inorganic hybrid materials.

Abstract: A quinoid silafluorene organic semiconductor material represented by formula (I) is disclosed, in which R1, R2, R5 and R6 are selected from H or C1-C20 alkyl; R3 and R4 are selected from C1-C20 alkyl; m and n are an integer of 0 to 10. A preparation method of said quinoid silafluorene organic semiconductor material and the use thereof are also disclosed.

Abstract: The present invention relates to Aromatic ring substituted dianthracene compounds and pertains to the field of synthesis of organic light-emitting materials. Aromatic ring substituted dianthracene compounds in the formula (I) present high glass transition temperature and solution efficiency, which can be used as effective blue-light emitting host materials.

Abstract: A process for recovering Li-ions can include: providing a composition having Li-ions to be extracted therefrom; removing materials from the Li-ions; introducing one or more cyclic siloxane to the Li-ions so as to form one or more cyclic siloxane-Li-ion complexes; extracting the one or more cyclic siloxane-Li-ion complexes by one or more liquid-liquid extraction steps; separating an organic phase having the cyclic siloxane-Li-ion complexes from an aqueous phase; removing water from the organic phase; filtering the organic phase to obtain a filtrate; and obtaining one or more Li-ions (e.g., Li salts) from the filtrate.

Abstract: The present invention relates to a drainage aid composition and its use in pulp washing process. More particulary, this invention relates to drainage aid composition of silicone polyethers prepared via zinc catalized dehydrogenative coupling of alcohol terminated polyethers with silicone oligomers and polymers comprising of at least one silicon bonded hydrogen. The compostion of this invention exhibit excellent drainage properties.

Abstract: Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof.

Abstract: This invention relates to a novel compound capable of largely reducing hysteresis loss of a rubber composition but also highly improving wear resistance, and more particularly to an organosilicon compound characterized by having one or more silicon-oxygen bond (Si—O) and 1-10 sulfur atoms (S) in its molecule, including one or more chain alkoxy groups and having one or more nitrogen atoms (N) at a position distant by 3-8 atoms from silicon atom (Si).

Abstract: A silyl (meth)acrylate compound containing a siloxy group having a bulky substituent is provided. The compound is represented by the following general formula (1): wherein R1 and R2 are independently a C3-10 monovalent branched hydrocarbon group having a hydrocarbon group at ? or ? position or a monovalent C3-10 cyclic hydrocarbon group; R3, R4, and R5 are independently an unsubstituted or substituted C1-20 hydrocarbon group or a siloxy group represented by the following general formula (2): —OSiR7R8R9??(2) wherein R7, R8, and R9 are independently an unsubstituted or substituted C1-20 hydrocarbon group; and R6 is hydrogen atom or methyl group. This compound is hydrolyzed at a reduced speed, and use of a polymer obtained by copolymerization with an alkyl methacrylate is capable of suppressing attachment of marine organisms to the ship with no or reduced biocide, and this polymer is useful for a hydrolytic self-polishing paint.

Abstract: Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof.

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: The present invention relates to: a process for producing a cyclic silane compound, which comprises subjecting a chained polysilane to pyrolysis in the presence of an oxide of a transition metal belonging to Group 8 or Group 11 of the periodic table; and a process for producing a cyclic carbosilane compound, which comprises subjecting a chained polysilane to pyrolysis in the presence of a simple substance of a metal selected from the group consisting of transition metal elements and elements belonging to Groups 12 to 15 of the periodic table or a compound thereof.

Abstract: An insulating film material for plasma CVD of the present invention is constituted of a silicon compound including two hydrocarbon groups bonded to each other to form a ring structure together with a silicon atom, or at least one branched hydrocarbon group, wherein within the branched hydrocarbon group, ?-carbon that is a carbon atom bonded to the silicon atom constitutes a methylene group, and ?-carbon that is a carbon atom bonded to the methylene group or ?-carbon that is a carbon atom bonded to the ?-carbon is a branching point.

Abstract: A method of producing silicon containing thin films by the thermal polymerization of a reactive gas mixture bisaminosilacyclobutane and source gas selected from a nitrogen providing gas, an oxygen providing gas and mixtures thereof. The films deposited may be silicon nitride, silicon carbonitride, silicon dioxide or carbon doped silicon dioxide. These films are useful as dielectrics, passivation coatings, barrier coatings, spacers, liners and/or stressors in semiconductor devices.

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.