Abstract: A pure composition comprises a monoalkyltin trialkoxide compound represented by the chemical formula RSn(OR?)3 or a monoalkyl tin triamide compound represented by the chemical formula RSn(NR?2)3 and no more than 4 mole % dialkyltin compounds relative to the total tin amount, where R is a hydrocarbyl group with 1-31 carbon atoms, and wherein R? is a hydrocarbyl group with 1-10 carbon atoms. Methods are described for the formation of the pure compositions. A solid composition comprises a monoalkyl triamido tin compound represented by the chemical formula RSn—(NR?COR?)3, where R is a hydrocarbyl group with 1-31 carbon atoms, and where R? and R? are independently a hydrocarbyl group with 1-10 carbon atoms. The compositions are suitable for the formation of resist compositions suitable for EUV patterning in which the compositions have a high EUV absorption.

Abstract: The present disclosure provides cyclic silyl ethers of the formula: and salts thereof. The cyclic silyl ethers may be useful as monomers for preparing polymers. Also described herein are polymers prepared by polymerizing a cyclic silyl ether and optionally one or more additional monomers. The polymers may be degradable (e.g., biodegradable). One or more O—Si bonds of the polymers may be the degradation sites. Also described herein are compositions and kits including the cyclic silyl ethers or polymers; methods of preparing the polymers; and methods of using the polymers, compositions, and kits.

Abstract: The present invention aims to provide a method for producing a (2S,5R)-5-(protected oxyamino)-piperidine-2-carboxylic acid derivative at a low cost that can be performed under mild reaction conditions not requiring a facility at an extremely low temperature, is safer, can control the quality of the desired product with ease, and shows good workability in the site of production. A method for producing a compound represented by the formula (2): wherein PG1 is an amino-protecting group, PG2 is an amino-protecting group, PG3 is a hydroxyl-protecting group, LG is a leaving group, and R is a hydrocarbon group having 1-8 carbon atoms and optionally having substituent(s), including a step of reacting a compound represented by the formula (1): wherein each symbol is as defined above, with a hydroxylamine derivative represented by the formula PG2NHOPG3 wherein each symbol is as defined above, in the presence of a base in a solvent.

Abstract: A method for enhancing the conductivity of MOF-5 by the development of an MOF-5 polymer composite material. The composite material incorporates a conductive polymer, preferably polyaniline, in the solvo-thermal synthesis pathway of MOF-5. The electrically conductive MOF-5 composite exhibits electric conductivity three orders of magnitude higher than that of MOF-5 while maintaining the crystallinity, robustness, and thermal stability of MOF-5.

Abstract: Compositions and methods relating to compositions that include metal-organic frameworks are generally described. In some embodiments, branched nanoparticles made at least in part of metal-organic frameworks are described. In some embodiments, the morphology and size of the branched nanoparticles are controlled by the presence of a chemical modulator during synthesis.

Abstract: Metal containing polymer compositions, useful for the production of high temperature metal carbide ceramics are described, including poly(carbohafnocene) compositions and related poly(carbometallocene) compositions, as well as compositions formed from the reaction of hafnium chloride and 2-butyne-1,4-diol. Methods of synthesizing such compositions are provided.

Abstract: The present invention concerns a silane of formula (1) R1aSIR4-a??(1) where the group R1 or each of the groups R1 independently is bound to the silicon via an oxygen atom, comprises a straight or branched hydrocarbonaceous chain having one or more elements, wherein (a) each of the elements has not more than 8 consecutive carbon atoms, each of plural elements of the hydrocarbonaceous chain being separated from the next element by a cleavable group and/or (b) the elements have one or more cleavable groups and any hydrocarbonaceous chains remaining upon cleavage of said group(s) are water soluble, wherein said cleavable groups are selected from ester, anhydride, amide, carbonate, carbamate, ketal, acetal, disulfide, imine, hydrazone and oxime groups, has at least one thiol or a primary or secondary amino group, the group R or each of the groups R is independently a hydrolytically condensable group, and a is 1,2,3 or 4.

Abstract: A method for forming monosubstituted diphenylsilanes is broadly provided. The method involves reacting diphenylsilane with an alcohol in the presence of a catalyst and a strong base activator. The reaction results in high selectivity to addition at only one hydrogen site.

Abstract: A three-dimensional scaffold structure and a process for its manufacture. The scaffold structure has a polymer system obtainable by photostructuring a starting material containing precursor molecules or inorganic polymers thereof having an organically polymerizable radical with at least one C?C double bond, an inorganically polymerizable silane-based radical and a functional group or derivative thereof.

Abstract: A fabricating method for a 1,4-diamine cyclic compound derivative includes: performing a first thermal process to form a first compound, in which the first compound has a structure represented by formula (i): in which R represents a C1 to C12 hydrocarbon group; performing a second thermal process, which includes performing a reduction reaction on the first compound to form a second compound, in which the second compound has a structure represented by formula (ii), and performing a third thermal process, which includes performing a reduction reaction on the second compound to form the 1,4-diamine cyclic compound derivative, in which the 1,4-diamine cyclic compound derivative has a structure represented by formula (I) or formula (II): in which R represents a C1 to C12 hydrocarbon group, in which R represents a C1 to C12 hydrocarbon group.

Abstract: In some embodiments, the present disclosure pertains to methods of detecting an analyte in a sample by associating the sample with an electrode that includes a metal-organic framework. After association, the redox properties of the electrode are evaluated. Thereafter, the presence or absence of the analyte in the sample is detected by correlating the redox properties of the electrode to the presence or absence of the analyte. In some embodiments, the present disclosure pertains to electrodes that include a metal-organic framework and an electrode surface. In particular embodiments of the present disclosure, the metal-organic framework is associated with the electrode surface. Additional embodiments of the present disclosure pertain to methods of making the electrodes of the present disclosure by associating a metal-organic framework with an electrode surface. In some embodiments, the methods of the present disclosure also include a step of mixing the metal-organic framework with a polymer.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a monoamine compound represented by Formula 1, thereby providing high emission efficiency:

Abstract: Method for the production of tetrakis(trihydrocarbylphosphane)palladium(0) in organic solvent, whereby 50 to 100% by weight of the organic solvent consist of at least one polar-aprotic solvent, characterised in that a) at least one palladium compound selected from the group consisting of palladium(II) compounds and palladium(IV) compounds that are soluble in the organic solvent is reacted with b) at least one base, selected from the group consisting of alkali metal hydroxides, alkali metal carbonates, alkali metal hydrogen carbonates, alkali metal-C1-C4-alcoholates, ammonium carbonate, ammonium hydrogen carbonate, alkaline earth metal hydroxides, alkaline earth metal carbonates, alkaline earth metal hydrogen carbonates, alkaline earth metal-C1-C4-alcoholates, and alkylamines with a total of 2 to 12 carbon atoms; c) at least one trihydrocarbylphosphane; and d) at least one organic reducing agent that is different from the remaining components that are used in the method.

Abstract: The invention relates to methods for the hydrogenation of nitrogen by reducing a N?N bond in a metal complex comprising a N?N bond by reacting the metal complex with a Lewis acid, wherein the metal complex comprises Cr, Mo, W, Mn, Tc, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd or Pt.

Abstract: The disclosure provides a process for preparing bis(monoalkyl-substituted cyclopentadiene) tungsten hydride compounds, for example bis(isopropylcyclopentadienyl)tungsten dihydride, via the corresponding magnesium compound and tungsten hexachloride, followed by treatment with a hydride reagent. Also provided is a process for preparing bis(monoalkyl-substituted cyclopentadiene) metal halide compounds. This latter aspect is achieved by reaction of the corresponding magnesium compound with a metal halide. Exemplary metals in this process include hafnium, zirconium, titanium, tantalum, niobium, tungsten, and molybdenum.

Abstract: An organic electroluminescence device including a monoamine compound represented by the following Formula 1 in at least one of a plurality of organic layers, and a monoamine compound represented by the following Formula 1 are provided. The monoamine compound represented by Formula 1 may be represented by the following Formula 2-1 or 2-2.

Abstract: The present disclosure is related to organometallic sandwich and half-sandwich tin (bearing ?5-C5—Sn ? bond) compounds as extreme ultraviolet (EUV) photoresist. Organometallic sandwich di(cyclopentadienyl)tin dialkoxide represented by the chemical formula (?5-C5R5)2Sn(OR1)(OR2), or half-sandwich (cyclopentadienyl)tin triamide represented by the chemical formula (?5-C5R5)Sn(NR12)(NR22)(NR32) are described including the methods for preparation and purification, wherein R1, R2, R3 are independently H, linear or branched alkyl, alkenyl, alkynyl, or cycloalkyl group with 1 to 20 carbon atoms, or aryl group with 6-20 carbon atoms. Sandwich and half-sandwich groups comprise cyclopentadienyl (C5H5), or substituted cyclopentadienyl (?5-C5H4R, ?5-C5H3R2, ?5-C5H2R3, ?5-C5HR4, or ?5-C5R5).

Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin including the same are disclosed herein. In some embodiments, a core-shell copolymer including a core and a shell surrounding the core, wherein the core includes a first alkyl(meth)acrylate monomer-derived repeating unit having 1 to 8 carbon atoms and a terminal-modified polydimethylsiloxane crosslinking agent-derived crosslinking part wherein the terminal-modified polydimethylsiloxane crosslinking agent includes a second alkyl(meth)acrylate monomer-derived modified part at both terminals of the polydimethylsiloxane.

Abstract: An organic light-emitting device and an amine compound, the organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes at least one amine compound represented by Formula 1:

Abstract: The disclosure provides for zirconium terephthalate-based metal organic frameworks with open metal sites, and uses thereof.