Abstract: The present invention includes novel compounds containing deuterated or partially deuterated xanthene and thioxanthene structures. These compounds may be useful as host materials with high triplet energies for phosphorescent electroluminescent devices.

Abstract: A silole derivative is of formula (I): each of the groups in the above formula is defined as those in the description. The silole derivative of formula (I) has aggregation-induced emission performance, and is particularly applicable in luminescent parts and devices, fluorescent probes, biological imaging, lubricating oils and greases. A lubricating grease composition has photoluminescence performance, as well as one or more of advantageous anti-oxidation properties, anti-wear properties, extreme pressure properties and anti-rust properties. It is applicable in many mechanical equipment in electrical industry, metallurgical industry, food industry, paper industry, automobile industry and aircraft industry.

Abstract: The compounds represented by the following general formula have excellent properties as a charge transport material. In the formula, R1 to R3 represent a substituent, n1 and n2 indicate an integer of from 0 to 5, n3 indicates an integer of from 0 to 4, X represents a linking group of —O—, —S—, —SO2—, —CS—, —R4—, —C(R5)(R6)—, —PO(R7)—, —Si(R8)(R9)—, >PO—, >Si(R10)— or >Si<, m is an integer of from 2 to 4, R4 represents an aliphatic cyclic linking group, and R5 to R10 represent a hydrogen atom, an alkyl group, an aryl group, etc.

Abstract: A phosphine ligand suitable for use in telomerizing butadiene comprises two phenyl groups and a xanthene moiety.

Abstract: The invention provides a non-aqueous electrolyte solution containing a phosphonosulfonic acid compound represented by formula (I): wherein, in formula (I), R1, R2 and R3 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a haloalkyl group having 1 to 6 carbon atoms, a phenyl group, a benzyl group, or a group represented by formula (II); R4 and R5 each independently represent a hydrogen atom, a halogen atom, or an alkyl group having 1 to 6 carbon atoms; and n represents an integer from 1 to 6; and wherein, in formula (II), R6, R7 and R8 each independently represent an alkyl group having 1 to 6 carbon atoms, a phenyl group, or a benzyl group; m represents an integer from 0 to 2; and * represents a position of bonding with the oxygen atom in formula (I).

Abstract: Novel P-chirogenic organophosphorus compounds of general formula (I), a process for the synthesis of the compounds of formula (I), and intermediate products of general formulae (II), (III) and (IV), as shown below, are involved in the synthesis of compounds (I). Metal complexes including compounds (I) as ligands are also described. The novel compounds and complexes are useful in asymmetric catalysis by transition metal complexes or organocatalysis, especially for asymmetric hydrogenation or allylation. Compounds of general formula (I) may be useful as agrochemical and therapeutic substances, or as reagents or intermediates for fine chemistry.

Abstract: A chelating agent, a metal-chelate, and a contrast agent are provided, wherein the chelating agent comprises a compound of structure (I) wherein R1, R2, R3, R8, R7, R?7 R?1, R?2, R?3 and R8? are selected from a hydrogen, a protected C1-C3 hydroxyalkyl group, a C1-C3 alkyl group; R4 and R?4 are selected from a hydrogen, a hydroxyl group, a protected hydroxy group, a protected C1-C3 hydroxyalkyl group, a C1-C3 alkyl group; n is an integer between 0 and 4; R5 and R?5 are selected from a hydrogen, a protecting group selected from the group consisting of C1-C30 aliphatic radicals, C3-C30 cycloaliphatic radicals, C2-C30 aromatic radicals; R9 and R?9 are selected form a hydrogen or a protecting group selected from the group consisting of C1-C30 aliphatic radicals, C3-C30 cycloaliphatic radicals, C2-C30 aromatic radicals, m is an integer between 0 and 10; and at least one of R7 and R?7 is acidic group or a protected acidic group.

Abstract: The object of an exemplary embodiment of the invention is to provide a separator for an electric storage device which has small thermal shrinkage under high-temperature environment, and in which the increase of the battery temperature can be suppressed. An exemplary embodiment of the invention is a separator for an electric storage device, which comprises a cellulose derivative represented by a prescribed formula. The separator for an electric storage device can be obtained, for example, by treating a cellulose separator containing cellulose with a phosphate or a phosphite.

Abstract: There are provided a phenylsilyl phosphine compound of formula (I) and an iridium complex of formula (II): In formula (I) and formula (II), R11-R19, L1 and L2 are defined according to the specification and the claims. The iridium complex made from the phenylsilyl phosphine compound of formula (I) has superior light-emitting efficiency.

Abstract: A non-halogenated flame retardant filler having phosphorous-modified inorganic particles imparts flame retardancy to manufactured articles such as printed circuit boards (PCBs), connectors, and other articles of manufacture that employ thermosetting plastics or thermoplastics. Phosphorous-modified silica particles, for example, may serve both as a filler for rheology control (viscosity, flow, etc.) and a flame retardant. In an exemplary application, a PCB laminate stack-up includes conductive planes separated from each other by a dielectric material that includes a non-halogenated flame retardant filler comprised of phosphorous-modified silica particles. In an exemplary method of synthesizing phosphorous-modified silica particles, a vinyl-terminated phosphorous-based monomer (e.g., a phosphorous based flame retardant functionalized to contain a vinyl functional group) is reacted with vinyl functionalized silica particles (i.e.

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: Highly branched macromolecules synthesized from a polyfunctional core, preferably silicon, or polyphenolic, with a carbosilane structure at its periphery functionalized with groups, preferably anionic, giving to the macromolecule a net negative charge. Furthermore, the invention relates to the procedures for their synthesis and their uses as antiviral agents, antibacterial and antifungal agents.

Abstract: The present invention is directed in particular to dipeptide-like compounds derived from functionally substituted amino acids, having fatty acid chains bound thereto through amidification of the amine functional groups of said dipeptide-like compounds, one end portion of which bears an accessory functional side chain spacer, with the other end portion being an acid group either in neutral or charged state. Compounds of the present invention have immunomodulating properties like adjuvants. In addition, compounds of the invention can be grafted on a given antigen in order to modulate or tune the immune response or can be equally grafted on a pharmaceutical carrier to enhance the therapeutic effect or targeting thereof. Accordingly, compounds of the invention find use in human and veterinary medicine both as immunogens and diagnostic tools.

Abstract: A phosphine ligand suitable for use in telomerizing butadiene comprises two phenyl groups and a xanthene moiety.

Abstract: The invention relates to compounds of the formula (I), in which X, -Q1-Q2- and RF have the meaning indicated in Claim 1, as ionic liquids, and to a process for the preparation thereof.

Abstract: Cleavable compositions that comprise a polar head, cleavable linker, and a hydrophobic tail; and methods for using them to isolate hydrophobic molecules.

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 invention provides an organic silicon phosphate and fabrication method thereof. The organic silicon phosphate has formula (I): wherein R1 and R2 are the same or different and represent C1-C5 alkyl; R3 and R4 are the same or different and represent hydrogen, C1-C5 alkyl; R5 is aryl or C1-C5 alkyl; Y is a linking bond containing —CH2—, —C(CH3)2—, —S—, —SO2—, —O—, —CO—, or —N?N—; m is an integer from 0 to 4; n is 0 or 1 and k is an integer from 0 to 9.

Abstract: The present invention provides a process for efficiently producing an alkylated aromatic compound in good yield, by a cross-coupling reaction between an alkyl halide and an aromatic magnesium reagent. A process for producing an aromatic compound represented by Formula (1): R—Ar???(1) wherein R is a hydrocarbon group, and Ar? is an aryl group; the process comprising: reacting a compound represented by Formula (2): R—X??(2) wherein X is a halogen atom, and R is as defined above, with a magnesium reagent represented by Formula (3): Ar?—MgY??(3) wherein Y is a halogen atom, and Ar? is as defined above, in the presence of a catalyst for cross-coupling reactions comprising an iron compound and a bisphosphine compound represented by Formula (4): wherein Q is a divalent group derived from an aromatic ring by removing two hydrogen (H) atoms on adjacent carbon atoms; and each Ar is independently an aryl group.

Abstract: The present invention relates to a method for forming a calcium-based carrier particle consisting of the calcium-based material, an active, with or without a surface modification, a stabilizing agent, and the related composition. The calcium-based particle is illustrated by the general formula Cax(PO4)y(OH)zR and may also include a silica or silica oxide substituent. R is an active or actives such as an organic or inorganic molecule that includes markers, amines, thiols, epoxies, organosilicones, organosilanes, sulfates, and water soluble agents and, as needed, a surface modification, S, which may be either organic or inorganic. A stabilizing agent may be necessary to maintain dispersion of the particles in aqueous media. Examples of a surface modifying material and stabilizing agents are inorganic salts of aluminum and boron or organic materials such as organosilanes or low molecular weight polymers.

Abstract: The present invention relates to a method for forming a calcium-based carrier particle consisting of the calcium-based material, an active, with or without a surface modification, a stabilizing agent, and the related composition. The calcium-based particle is illustrated by the general formula Cax(PO4)y(OH)zR and may also include a silica or silica oxide substituent. R is an active or actives such as an organic or inorganic molecule that includes markers, amines, thiols, epoxies, organosilicones, organosilanes, sulfates, and water soluble agents and, as needed, a surface modification, S, which may be either organic or inorganic. A stabilizing agent may be necessary to maintain dispersion of the particles in aqueous media. Examples of a surface modifying material and stabilizing agents are inorganic salts of aluminum and boron or organic materials such as organosilanes or low molecular weight polymers.

Abstract: The present invention relates to a method for forming a calcium-based carrier particle consisting of the calcium-based material, an active, with or without a surface modification, a stabilizing agent, and the related composition. The calcium-based particle is illustrated by the general formula Cax(PO4)y(OH)zR and may also include a silica or silica oxide substituent. R is an active or actives such as an organic or inorganic molecule that includes markers, amines, thiols, epoxies, organosilicones, organosilanes, sulfates, and water soluble agents and, as needed, a surface modification, S, which may be either organic or inorganic. A stabilizing agent may be necessary to maintain dispersion of the particles in aqueous media. Examples of a surface modifying material and stabilizing agents are inorganic salts of aluminum and boron or organic materials such as organosilanes or low molecular weight polymers.

Abstract: A composition comprises surface-modified nanoparticles of at least one metal phosphate. The nanoparticles bear, on at least a portion of their surfaces, a surface modification comprising at least one organosilane surface modifier comprising at least one organic moiety comprising at least about six carbon atoms.

Abstract: In the preparation of phosphonatosilanes by reaction of organophosphites with halocarbon-functional silanes, the safety of the reaction is markedly increased while increasing space/time yield by continuously or periodically withdrawing reaction mixture, freeing the withdrawn mixture of phosphonatosilane product, and recycling the product-depleted remainder back to the reaction. Operation at temperatures of 100° C. or lower is made possible by this process.

Abstract: The invention has an object to obtain an organic inorganic composite material having high activity and high selectivity, and suitable as a catalyst material having small elution of an active metal from a carrier, and further to obtain an organosilicon compound suitable for the preparation of the composite material. The composite material is an organic inorganic composite material comprising an organosilicon compound having at least two groups containing reactive silicon at a molecular end, bonded to one silicon atom constituting the organosilicon compound, and an inorganic oxide material, the organosilicon compound and the inorganic oxide material being bonded to each other through a plurality of groups containing reactive silicon of the organosilicon compound. The organosilicon compound is represented by the following general formula (1) or (2). Formula (1) wherein symbols are the same as defined in claim 17. Formula (2) wherein symbols are the same as defined in claim 18.

Abstract: A composition comprising a polymer which contains hydroxyl groups, the composition being suitable as a coating for an IR-imagable lithographic precursor, the composition comprising one or more agent(s) which: a) absorbs IR radiation of wavelength greater than 800 nm and consequently generates heat; b) functions as an insolubiliser which inhibits dissolution of non-imaged regions of the coating in a developer but permits dissolution of imaged regions during development; and c) improves the inhibition to dissolution of the non-imaged regions and/or the dissolution of the imaged regions so as to improve the dissolution contrast ratio (DCR) of the non-imaged/imaged regions; wherein the agent which performs function c) comprises a moiety which has hydrophobic and ionic character. Such a composition can show excellent selectivity as regards dissolution rates in developer, as between the imaged and non-imaged areas, whilst the energy needed to achieve this differentiation (or “operating speed”) is not comprised.

Abstract: Cyclic organosilicon compounds that may be employed as an electron donor for polymerization catalyst systems, polymerization catalyst systems employing the cyclic organosilicon compounds as an electron donor, methods of making the polymerization catalyst systems, and polymerization processes to produce polyolefin are disclosed. The organosilicon compounds, which are useful as electron donors in polymerization catalyst systems for the production of polyolefins, are represented by the formula: where Q1, Q2, Q3, and Q4 may be identical or different and are each hetero-atoms selected from the group consisting of N, O, S, Si, B, and P. R1, R2, R3, and R4 may be identical or different and are each hydrocarbon-based substituents to Q1, Q2, Q3, and Q4, respectively. The subscripts i, j, m, and n are independently 0 to 3 R5 and R6 may be identical or different and are each a bridging group with a backbone chain length between the two hetero-atoms Q1 and Q3, and Q2 and Q4, respectively, 1-8 atoms.

Abstract: The invention relates to organosilicon compounds, and to the ways in which they can be made and used.

Abstract: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: Novel bidentate ligands of general formula (I) are described Formula (I): R represents a hydrocarbyl aromatic structure. The substituent(s) Yx on the aromatic structure has a total X=1-n ?tYX of atoms other than hydrogen such that X-1-n?tYX is 4 where n is the total number of substituent(s) YX and tYX represents the total number of atoms other than hydrogen on a particular substituent YX. The groups X1, X2, X3 and X4 are joined to Q1 or Q2 via tertiary carbon atoms to the respective atom Q1 or Q2; and Q1 and Q2 each independently represent phosphorus, arsenic or antimony. A catalyst system and a process for the carbonylation of ethylenically unsaturated compounds utilising the catalyst system is also described.

Abstract: A phosphorus compound of formula (1): wherein R1 denotes a hydrogen atom or a hydroxy protective group; R2 denotes a group defined by the following formula (R2-1) or (R2-2); R3, R4, R5, and R6 may be the same or different and independently denote a hydrogen atom, an alkyl group, an alkoxy group, an acyloxy group, a halogen atom, a haloalkyl group, or a dialkylamino group; two among R3, R4, R5, and R6 may form an aromatic ring optionally having a substituent group, and two among R3, R4, R5, and R6 may form a methylene chain optionally having a substituent group or a (poly)methylenedioxy group optionally having a substituent group: wherein (R2-1) and (R2-2), R7 denotes an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, or an aryloxy group; R8 and R9 independently denote a hydrogen atom, an alkyl group, or an aryl group; z denotes a divalent group; and a denotes an integer of 0 or 1.

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 solid state method of encouraging the physical interfacing of an organic component to a substantially crystalline inorganic component, including adding predetermined amounts of a substantially crystalline inorganic precursor and a predetermined amount of an organic precursor to yield an admixture, maintaining the admixture in a substantially liquid-free environment, and impacting the precursors together with sufficient energy to fuse the precursors into hybrid compounds. The so-formed hybrid compounds substantially retain the long range crystalline order characteristics of the substantially crystalline inorganic precursor.

Abstract: Disclosed are electrolytes that are organosilicon phosphorus-based, and supercapacitors which incorporate them. These electrolytes are cationic salts with a phosphorous containing organosilicon moiety. They appear particularly suitable for use in applications such as electric and hybrid electric vehicles.

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: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: A compound usable as an asymmetric synthesis catalyst which can be easily synthesized without using any metal such as a lanthanoid group element; a method of asymmetric synthesis with the compound; and a chiral compound obtained by the asymmetric synthesis method. A Broensted acid is used as a catalyst in asymmetric synthesis, the chiral Broensted acid being represented by formula (1) below or formula (3) below. The asymmetric synthesis method employs the catalyst. Asymmetric synthesis with the catalyst gives a chiral compound.

Abstract: In one aspect, the invention relates to silicon-based prepolymers. The disclosed prepolymers exhibit satisfactory solubility in aqueous solutions or hydrophilic solutions and can overcome undesirable shrinkage, expansion, and related problems possessed by conventional silicone monomers and related conventional polymerization techniques by producing hydrogels from a crosslinkable prepolymer. Also disclosed are polymers and molded articles produced from the disclosed prepolymers, which attain a satisfactory oxygen permeability. Also disclosed are methods for producing the disclosed prepolymers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: The present invention relates to a process for preparing organophosphites, organosphonites and organophosphinites by condensing phosphorus trihalides or organophosphorus halides with organic compounds bearing hydroxyl groups in the presence of polymeric basic ion exchange resins. The process according to the invention makes possible in a simple manner the preparation of trivalent organophosphorus compounds which may serve, for example, as ligands in rhodium complexes which may be used as a catalyst in hydroformylation.

Abstract: Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided.

Abstract: A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and R2 are bonded together to form a diradical; or one of R1 or R2 is hydrogen or a monovalent hydrocarbyl radical, while the other of R1 or R2 is a hydrocarbyl radical bonded to an atom in Ar; wherein Ar is selected from 1,2-arylenes; Q is selected from 1,2-arylenes, 2,2?-bisarylenes and alkyl diradicals; and W is selected from II, III, IV, or V: wherein M is as defined hereinbefore; each R is independently selected from hydrogen and monovalent hydrocarbyl radicals; X is selected from alkyl and aryl diradicals; Ar1 and Ar2 are each independently selected from 1,2-arylenes;Ar3 and Ar4 are each independently selected from monovalent aryl radicals; and n in formula IV is 0 or 1.

Abstract: A novel organophosphorus composition and synthesis thereof, the composition being characterized by one phosphite moiety, one phosoxophite moiety, and a plurality of sterically bulky substituents. The novel composition finds utility as a ligand in Group VIII transition metal phosoxophite complex catalysts and complex catalyst precursors that are used in carbonylation processes, preferably, hydroformylation processes. Additionally, there is disclosed a novel method of preparing a phosphoromonochloridite composition that finds utility as a precursor to the novel phosoxophite composition.

Abstract: A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.

Abstract: The invention relates to new compounds of the formula, wherein R and R1 are each independently hydrogen, a linear or branched C1-40 alkyl, C2-40 alkenyl or C2-40 alkynyl group, an aryl or C1-40 alkylaryl group or an optionally complex metal ion Mn+/n wherein n is an integer from 1 to 8; the free valences of the silicate oxygen atoms are saturated by one or more of: silicon atoms of other groups of the formula, hydrogen, a linear or branched C1-12 alkyl group or by cross-linking bridge members R3qM1(OR2)mOk/2 or Al(OR2)3-pOp/2 or R3Al(OR2)2-rOr/2; where M1 is Si or Ti; R2 is linear or branched C1-12 alkyl group; and R3 is a linear or branched C1-6 alkyl group; k is an integer from 1 to 4 and q and m are integers from 0 to 2; such that m+k+q=4; and p is an integer from 1 to 3; and r is an integer from 1 to 2; or other known oxo metal bridging systems; x, y and z are integers such that the radio of x:y+z, varies from 0.

Abstract: A composition including nanoparticles each having an acidic polymerizable siloxane moiety. For example, a hydrolysis stable, self-etching, self-priming dental adhesive composition including 90 to 10 percent by weight of an aqueous phase, and 10 to 90 percent by weight of acidic polymerizable nanoparticles. The acidic polymerizable nanoparticles are obtainable by hydrolysis of a mixture containing one or more hydrolyzable organosilicon compounds wherein (i) at least a portion of the hydrolyzable organosilicon compounds contains one or more polymerizable groups and (ii) at least a portion of the hydrolyzable organosilicon compounds contain one or more acidic moieties.

Abstract: Benzobicyclooctane compounds, their use in inhibiting cellular events involving TNF-? and IL-8, and in the treatment of inflammation events in general; a combinatorial library of diverse bicyclooctanes and process for their synthesis as a library and as individual compounds.

Abstract: The present invention relates to a series of novel silicone alkoxylated esters which have terminal carboxyl groups that form salt complexes with certain amid containing cationic compounds to form very mild conditioning products suited for personal care applications like shampoos, body wash, hand wash and bath products.