16 results about "Hydrogen atom" patented technology

Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple configuration. This organic EL device comprises organic layers between an anode and a cathode piled one upon another on a substrate and at least one organic layer selected from a light-emitting layer, a hole-transporting layer, an electron-transporting layer, and a hole-blocking layer contains a carbazole compound represented by the following formula (1). In the case where the light-emitting layer of the organic electroluminescent device contains a phosphorescent dopant and a host material, it is the carbazole compound that is contained as the host material. In formula (1), X is C—Y or a nitrogen atom; Y is a hydrogen atom, an alkyl group, a cycloalkyl group, or an aromatic group; n is an integer of 2 to 4: A is an n-valent aromatic group; L is a direct bond or a divalent aromatic group; and R is a hydrogen atom, an alkyl group, or a cycloalkyl group.

The present invention relates to a thermal conductive silicone composition comprising a siloxane containing a hydrolytic group represented by the formula (1):

where;

• R¹: a group containing an alkoxysiloxy group having 1 to 4 carbon atoms,
• R²: a siloxane represented by the following formula (2) or a monovalent hydrocarbon group having 6 to 18 carbon atoms, X: a divalent hydrocarbon group having 2 to 10 carbon atoms, a and b: integers of 1 or more, c: an integer of 0 or more, the sum of a+b+c: an integer of 4 or more,
• R³: a monovalent hydrocarbon group having 1 to 6 carbon atoms or a hydrogen atom, provided that R³s may be the same as or different from each other;
• R⁴: a monovalent hydrocarbon group having 1 to 12 carbon atoms,
• Y: a group selected from a methyl group, a vinyl group and R¹, and d: an integer of 2 to 500.

An integrally molded body of a silicone resin and silicone rubber comprises a cured body of a curable silicone composition (A) comprising an organopolysiloxane resin (A1) that contains at least two silicon-bonded alkenyl groups, and not less than 30 mole percent of total siloxane units of RsiO_3/2 units, an organopolysiloxane (A2) that contains at least two silicon-bonded hydrogen atoms, and a platinum group metal catalyst (A3) in a catalytic amount, and a cured body of a silicone rubber composition (B) comprising diorganopolysiloxane (B1) that contains at least two silicon-bonded alkenyl groups, a organopolysiloxane (B2) that contains at least two silicon-bonded hydrogen atoms, and a platinum group metal catalyst or an organic peroxide (B3) in a catalytic amount. The manufacture of the integrally molded body is carried out by curing composition (A) and composition (B) in the same mold.

The present invention provides a thermally conductive grease composition which scarcely increases in hardness during high-temperature heating and has a minimized reduction in growth, containing:

• • (A) an organopolysiloxane including at least two alkenyl groups per molecule, the 25° C. kinetic viscosity being 5,000 to 100,000 mm²/s;
  • (B) a hydrolysable methyl polysiloxane, trifunctional at one terminus, represented by general formula (1)

(R¹ is a C_1-6 alkyl group, and a is an integer 5 to 100);

• • (C) a thermally conductive filler having a thermal conductivity of 10 W/m·° C. or greater;
  • (D) an organohydrogenpolysiloxane containing two to five hydrogen atoms directly bonded to a silicon atom (Si—H group) per molecule;
  • (E) an adhesion promoter having a triazine ring and at least one alkenyl group per molecule; and
  • (F) a catalyst selected from the group consisting of platinum and platinum compounds.

It is an object to provide a near infrared light absorbable dye composition which absorbs near infrared light efficiently, has a high visible light transmittance, is excellent in light resistance, heat resistance and wet heat resistance, is hardly deteriorated in durability even when blended so as to have an absorption in a wide range of 800 to 1100 nm, and requires a low cost for synthesis and isolation thereof upon production, and provide a near infrared light absorbable filter containing the same. Provided is the near infrared light absorbable dye composition containing compounds represented by the following formulae (1), (2) and (3):

wherein R¹ to R⁴ represent an organic group which has a carbon atom at a binding position and may have a substituent or a hydrogen atom, R⁵ to R⁸ represent an aliphatic hydrocarbon group or an aryl group which may have a substituent, R¹ and R² and the like may together form a ring; R⁹ and R¹⁰ in the general formula (3) represent R¹ and R² or R³ and R⁴ in the general formula (1), and R¹¹ and R¹² in the general formula (3) represent R⁵ and R⁶ or R⁷ and R⁸ in the general formula (2), respectively.

The invention relates to a preparation method of a ternary terbium complex monomer and a copolymer luminescent material of the ternary terbium complex monomer and MMA. The method comprises the steps that firstly, the ternary terbium complex monomer is prepared, and recrystallization is conducted on an initiating agent AIBN (azodiisobutyronitrile) through methyl alcohol; then the ternary terbium complex monomer is dissolved by utilizing DMF (N,N-dimethylformamide) and DMSO (dimethyl sulfoxide) or a toluene solvent respectively, wherein the molar ratio of the ternary terbium complex monomer to the MMA is 1-10 to 100, and the initiating agent AIBN accounts for 0.5%-1% of the total mass of an initiating system; after reaction is conducted for 20-60 h under the conditions that inert gas argon exists, water and oxygen do not exist, and the temperature ranges from 50 DEG C to 85 DEG C, copolymer powder is obtained through methyl alcohol reprecipitation. The copolymer can be used for electronic terminals such as computers, televisions and mobile phones and mainly serves as the luminescent material of the panel display field. In addition, due to the fact that a pendant group -N-H- of the copolymer contains a reactive hydrogen atom, the copolymer can be used for ion recognition and fluorescent probes.

Provided is: a thermally conductive silicone gel composition which has a high thermal conductivity, and has excellent gap-filling ability and repairability; a thermally conductive member comprising the thermally conductive silicone gel composition; and a heat dissipation structure using the same. The thermally conductive silicone gel composition comprises: (A) an alkenyl group-containing organopolysiloxane; (B) a straight-chain organohydrogenpolysiloxane containing an average of 2 to 4 silicon-bonded hydrogen atoms per molecule, at least two of the hydrogen atoms are being located on a side chain of the molecular chain, wherein the amount of silicon-bonded hydrogen atoms in component (B) is 0.2 to 5 mol with respected to 1 mol of an alkenyl group contained in component (A); (C) a catalyst for hydrosilylation reaction; (D) a thermally conductive filler; and (E) an alkoxysilane having an alkyl group with 6 or more carbon atoms per molecule.

The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula:

wherein one of Q and T represents a group represented by the general formula:

while the other represents a lower alkyl group or a halo(lower alkyl) group; R¹ represents a hydrogen atom, an optionally substituted lower alkyl group, a lower alkenyl group, a cyclic lower alkyl group, etc.; R² represents a hydrogen atom, an optionally substituted lower alkyl group, a lower alkoxy group, a lower alkenyl group, a cyclic lower alkyl group, a cyclic lower alkoxy group, etc., which exert an excellent inhibitory activity in human SGLT2, and therefore are useful as drugs for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, pharmaceutically acceptable salts thereof or prodrugs thereof, production intermediates thereof and pharmaceutical uses thereof.

This photosensitive coloring resin composition contains: a polymer which contains repeating units represented by formula (1) and formula (2a), and wherein R5 in formula (2a) is an organic group havinga radically polymerizable group and 2-18 carbon atoms; a radical photopolymerization initiator; and a coloring agent. (In formula (1), each of R1, R2, R3 and R4 independently represents a hydrogen atom or an organic group having 1-30 carbon atoms; and n represents 0, 1 or 2.)

The invention discloses comb polymer electrolyte and preparation and application thereof; the comb polymer electrolyte has a chemical structural formula shown as formula I that is shown in the description, wherein a is an integer of from 10 to 800, x is 0.2 to 0.8, ax is a positive integer, m is an integer of from 3 to 29, n is an integer of from 1 to 31, and R is hydrogen atom or methyl. The keychemical formula structure of comb polymer, keying mode of main and side chains, substitution rate, integral synthetic pathway setting for the corresponding preparation method and parameter conditionsof process steps are modified so that the main and side chains of the comb polymer are keyed via ion keys, and the problem that polyoxyethylene polymer electrolyte has high crystallinity and low lithium ion transfer capacity can be effectively solved.

An agent for preventing and curing the hindrance of ischemic reperfusiton is disclosed which has as an active component thereof a chromanol glycoside represented by the following general formula: 1 [wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 independently denote a hydrogen atom or a lower alkyl group, R.sup.5 denotes a hydrogen atom, a lower alkyl group, or a lower acyl group, X denotes a monosaccharide residue or an oligosaccharide residue which may have a lower alkyl group or a lower acyl group substituted for the hydrogen atom of the hydroxyl group of the saccharide residue, n denotes an integer of 0-6, and m denotes an integer of 1-6]. The agent, even in a small dosage, acts safely and effectively on the affected part and allows the hindrances of ischemic reperfusion induced in heart, stomach, small intestine, liver, spleen, kidney, brain, and skin, and the hindrance induced during the transplantation of an internal organ to be prevented and cured.

The invention relates to the field of medical chemistry, and aims at providing a substituted furan chalcone derivative and a preparation method thereof. The substituted furan chalcone derivative has the structure shown in a formula (I): wherein B ring is selected from phenyl, furyl or thienyl; R1, R2, and R3 are respectively and independently selected from hydrogen atom, halogen, hydroxyl, cyan, nitro, C1-C7 alkyl chain, C1-C7 alkoxy, and dimethylamino or diethylamino. The product is a kind of natural furan chalcone analogues with a new framework, the product has potential medicament activity, and the preparation of the compound can provide support for activity researches of furan chalcone medicaments. The preparation method has simple steps and low loss late, and provides a brand new route for synthesis of the furan chalcone derivative from nonaromatic raw materials. The method has an important meaning for industrial production.