1275 results about "Nitrogen atom" patented technology

A method for producing a tin compound represented by formula (A1) with a purity of 95 mol % or higher, involves a step of distilling the tin compound, in which the number of plates of the distillation is 10 or more, and the reflux ratio is 30 or less.RSnX3  (A1)In formula (A1), R is an organic group with 1 to 30 carbon atoms, and may be substituted with halogen, oxygen atoms, or nitrogen atoms. X is selected from OR′ and NR′2. R′ is an organic group with 1 to 10 carbon atoms, and part may be substituted with halogen, oxygen atoms, or nitrogen atoms. When there are multiple R′ groups in the molecule, they may have the same or different structures, and they may be bonded to each other to form a cyclic structure.

The present invention provides an improved process for the production of biotin intermediate compound (I) or a stereoisomer thereof or a mixture thereof with higher yield and selectivity in a more efficient manner compared to the prior art: # imgabs0 # wherein: R1 and R2 are each lower alkyl independently of one another, optionally substituted by one or more substituents, and optionally substituted by one or more substituents, and R1 and R2 are each lower alkyl independently of one another, optionally substituted by one or more substituents, optionally substituted by one or more substituents, optionally substituted by one or more substituents, optionally substituted by one or more substituents, and optionally substituted by one or more substituents; or R1 and R2 together with the carbon atom to which they are attached form a lower cycloalkyl group optionally substituted by one or more substituents; r3 is H or a protecting group suitable for a nitrogen atom; and X and Y are each independently of one another O or S.

A piezocatalyst containing a nitrogen doped carbon skeleton derived from a zeolitic imidazolate framework (ZIF), and a single-atom alkaline earth metal anchored on the nitrogen doped carbon skeleton, where the alkaline earth metal is selected from the group of beryllium (Be), magnesium (Mg), calcium (Ca), Strontium (Sr), and barium (Ba); the piezocatalyst includes an active cite formed with the single-atom alkaline earth metal and nitrogen atoms from the ZIF. A piezocatalytic material includes the piezocatalyst. Also provided herein is a method of manufacturing such a piezocatalyst / piezocatalytic material and an environmental remediation method employing such a piezocatalyst / piezocatalytic material.

A photobase generator includes a compound including: first skeletons represented by the following formula (a); and a second skeleton including nitrogen atoms bonding to bonding positions of the first skeletons to form amide groups, wherein, in a molecule, a number of the first skeletons is two or more, a number of the nitrogen atoms, configuring the amide groups, in the second skeleton is the same as the number of the first skeletons, and at least one of the nitrogen atoms configuring the amide groups is converted into a nitrogen atom configuring a secondary amine or a tertiary amine by light irradiation. In the formula (a), G is a divalent aromatic group, and * represents the bonding position with the nitrogen atom.

Provided are: a resist underlayer film-forming composition that is capable of forming a resist underlayer film that can impart excellent pattern rectangularity to a resist pattern; and a method for producing a semiconductor substrate. The method for producing a semiconductor substrate comprises: a step for directly or indirectly coating a substrate with a resist underlayer film-forming composition; a step for forming a resist film on the resist underlayer film formed by the aforementioned step for coating a resist underlayer film-forming composition; a step for exposing the resist film to radiation; and a step for developing at least the exposed resist film. The resist underlayer film-forming composition contains a polymer and a solvent. The polymer contains a repeating unit (1) having an organosulfonate anion moiety and an onium cation moiety, a repeating unit (2) represented by formula (2), and a repeating unit (3) represented by formula (3). (In formula (2), R4 is a group selected from the group consisting of groups represented by any of formulas (2-1) to (2-8).) (In formula (3), R6 is a group that contains a substructure represented by formula (3-1) or (3-2).) (In formulas (3-1) and (3-2), X1 and X2 are each independently an oxygen atom, a sulfur atom, or a nitrogen atom. A formula in which a solid line and a broken line are combined indicates a single bond or a double bond each independently.)

According to the present invention, there is provided a monatomic catalyst, the monatomic catalyst comprising: a nitrogen-doped carbon structure; and a monatomic metal wherein the monatomic metal forms a coordinate bond with a nitrogen atom of the nitrogen-doped carbon structure. When an electrochemical cell having an electrode pair containing the monatomic catalyst is used in an electrochemical advanced oxidation process for water treatment, organic pollutants in wastewater can be effectively decomposed under mild pH conditions.

The disclosure provides a catalyst reaction mixture including a ligand having a backbone with at least one phosphorus atom and at least one nitrogen atom, a chromium compound, and a solvent mixture including decalin and at least one additional solvent, wherein the solvent mixture comprises decalin in an amount of less than 20 wt. % and, optionally, perhydroindane in an amount of 50 wt. % or less, based on the total weight of the solvent mixture. A method of forming a linear alpha olefin through ethylene oligomerization is also provided, the method including contacting ethylene gas with a reaction mixture in a reactor, the reaction mixture including the catalyst reaction mixture of the disclosure; and withdrawing a product stream including at least one linear alpha olefin, such as 1-butene, 1-hexene, or 1-octene, from the reactor.

This five-membered heteroaryl compound is represented formula (Z-I) (wherein Q1 and Q2 each independently represent a phenyl group or the like; B1, B2 and B3 each independently represent an oxygen atom, a nitrogen atom, NR1 or CR2; R1 represents an alkyl group or the like; R2 represents a hydrogen atom or the like; Za represents an oxygen atom or the like; T represents a partial structure (T-1) or (T-2); Z represents an oxygen atom or the like; R6 represents a hydrogen atom or the like; Zb represents an alkoxy group or the like: R7 represents RcCO- or the like; Rc represents an alkyl group or the like; R4 and R5 each independently represent a hydrogen atom or the like; and n represents an integer of 1 to 3).

The invention discloses a carbonitriding process with high nitrogen concentration in gradient distribution and a part. According to the method, the carbon potential and the nitrogen potential in the co-permeation stage are precisely controlled, so that the nitrogen atom concentration higher than 0.5% is formed on the surface of the part, the specified nitrogen atom diffusion depth is reached, the gradient of the carbon and nitrogen contents of different depths of a part permeation layer is stable, the quality difference of parts of different heat numbers is greatly reduced, and the contact fatigue strength of a transmission part can be greatly improved.

The invention provides a light-emitting material, a light-emitting device and a display device, belongs to the technical field of display, and can solve the problems of low efficiency and service life of an existing light-emitting device. The luminescent material comprises a host material and a guest material, the host material is selected from molecules with a first general formula, a second general formula or a third general formula; the first general formula is # imgabs 0, the second general formula is # imgabs 1, the third general formula is # imgabs 2, R1 to R6 are electron donating groups and are selected from electron-rich arylamine groups containing at least one nitrogen atom; the guest material is selected from molecules having a fourth general formula; a fourth general formula: # imgabs3 # X1 is an electron donating group and is selected from electron-rich arylamine groups containing at least one nitrogen atom; x2 is an electron withdrawing group; and R11 and R21 are respectively and independently selected from at least one of hydrogen, deuterium, halogen group, alkyl group, cycloalkyl group, heteroalkyl group, aralkyl group, alkoxy group, aryloxy group, amino group and silyl group.

The present invention provides a compound having a hematopoietic prostaglandin D synthase (H-PGDS) inhibitory activity and being useful for preventing or treating a disease involving the enzyme, and a pharmaceutical composition comprising the compound. Specifically, the present invention provides a compound represented by Formula (I) below or a pharmaceutically acceptable salt thereof:[wherein —X═ represents —CH═ or the like; ═Y— represents ═CH— or the like; R1 and R2 each independently represent a hydrogen atom or the like; R3 represents a hydrogen atom or the like; and Z is a group represented by Formula (II):(wherein the wavy line represents the point of attachment to the nitrogen atom; ring Z1 represents a C6-10 aryl group or the like; m represents 0, 1, or 2; and R4 represents a halogen atom or the like.) or Formula (III):(wherein the wavy line represents the point of attachment to the nitrogen atom; ring Z2 represents a C6-10 aryl group or the like; L represents a single bond or the like; ring Z3 represents a C6-10 aryl group or the like; n represents 0, 1, or 2; and R5 represents a halogen atom or the like.]

The invention provides a magnetic code disc film material and a preparation method and application thereof. By introducing the TiN layer, a proper amount of nitrogen atoms can enter lattice gaps of iron, electron cloud distribution of iron atoms is changed, and the magnetic moment of the iron atoms is changed; the magnetic moment of Fe atoms can be influenced by N atoms and crystal structures, an alpha-Fe8N phase is formed in FeCoCr through introduction of N ions, the average magnetic moment of each Fe atom in the alpha-Fe8N phase is 2.4 mu B, alpha-Fe8N is a metastable phase, a sample can finally form stable gamma '-Fe4N through annealing, and the magnetic moment of the stable gamma'-Fe4N is generally about 2.5 mu B-2. 7 mu B and is higher than the magnetic moment 2.2 mu B of the Fe atoms in metal Fe; besides, Ti forms a Ti-Fe weak magnetic phase pinning magnetic domain wall in the FeCoCr thin film, and the coercive force and residual magnetism of the FeCoCr layer can be effectively improved at the same time through the method.

The invention discloses a preparation method of ZIF-8 modified ammonia removal resin, which comprises the following steps: carrying out ion exchange on cation exchange resin and zinc salt to obtain a precursor loaded with the zinc salt, and carrying out coordination and reaction on 2-methylimidazole and metal salt under certain conditions to obtain in-situ growth ZIF-8. According to the invention, on one hand, a large number of physical adsorption sites are provided for adsorption of ammonia molecules by using the high specific surface area and porous structure of the ZIF-8, so that the ammonia molecules can be fixed in pores of the ZIF-8 through Van der Waals' force, thereby improving the ion exchange efficiency; on the other hand, zinc ions in the ZIF-8 can be used as Lewis acid sites to form coordinate bonds with nitrogen atoms in ammonia molecules, so that the ammonia molecules are stably adsorbed in the structure of the ZIF-8 in the form of complexes. By utilizing the two action mechanisms, the adsorption capacity of the resin on ammonia gas is remarkably improved.

Polishing composition comprising water, abrasive grains consisting of silicon dioxide, and a water-soluble polymer having a weight-average molecular weight of 1,000,000 or less and a molecular weight distribution, represented by the weight-average molecular weight (Mw) / number-average molecular weight (Mn), of less than 5.0, wherein the water-soluble polymer comprises at least one selected from a cellulose derivative, a starch derivative, polyvinyl alcohol, a polymer having a polyvinyl alcohol structure, a polymer having a polyoxyalkylene structure, and a polymer having a nitrogen atom in a main chain or in a functional group of a side chain thereof; wherein the polymer having a nitrogen atom in a main chain or in a functional group of a side chain thereof is selected from: (i) a nonionic polymer having a nitrogen atom in a main chain or in a functional group of a side chain thereof; or (ii) the group consisting of: a polymer containing monomer units of the N-(meth)acryloyl type, a polymer containing monomer units of the N-vinyl type, a homopolymer of a vinyl monomer with an amino group, and a copolymer of a vinyl monomer with an amino group, wherein the polymer, containing monomer units of the N-(meth)acryloyl type, is a homopolymer of a monomer of the N-(meth)acryloyl type or a copolymer of a monomer of the N-(meth)acryloyl type, wherein the monomer of the N-(meth)acryloyl type is a chain amide with an N-(meth)acryloyl group or a cyclic amide with an N-(meth)acryloyl group, wherein the chain amide with the N-(meth)acryloyl group is an N-alkyl(meth)acrylamide or an N,N-dialkyl(meth)acrylamide, wherein the polymer, containing monomer units of the N-vinyl type, is a homopolymer of an N-vinyllactam type monomer, a copolymer of an N-vinyllactam type monomer, a homopolymer of an N-vinyl chain amide or a copolymer of an N-vinyl chain amide, where the N-vinyl chain amide is N-vinylacetamide, N-vinylpropionamide or N-vinylbutyramide, and where the vinyl monomer with the amino group is aminoethyl(meth)acrylate, N,N-dimethylaminoethyl(meth)acrylate or N,N-dimethylaminopropyl(meth)acrylate.

The present invention relates to a polymer having a main chain, wherein the main chain comprises linear amide bonds and a heteromonocyclic moiety containing a nitrogen atom, wherein the main chain does not contain peptide bonds, or wherein, based on the total number of linear amide bonds in the main chain, the proportion of peptide bonds in the main chain is at most 30%, and wherein, based on the total weight of the polymer, the proportion of the heteromonocyclic moiety containing a nitrogen atom is from 5% by weight to 25% by weight. The present invention also relates to a product or article and the use of the polymer for manufacturing or producing the product or article.

The present invention provides a control method effective against plant diseases. The compound represented by formula (I) [wherein: ring A6 represents a 6-membered non-aromatic nitrogen-containing heterocycle or the like (provided that, in ring A6, the atom bonded to D is a carbon atom or a nitrogen atom, and at least one of the atoms constituting ring A6 adjacent to the atom bonded to D is a nitrogen atom); D represents CR1R2 or the like; n represents 0, 1, 2, or 3; m represents 0, 1, 2, 3, or 4; q represents 0, 1, 2, 3, 4, or 5; R1 and R2 are the same or different and represent a hydrogen atom or the like; R1 and R2 together with the carbon atom to which they are bonded may form a C3–C8 alicyclic hydrocarbon or the like; R3 represents a C1–C6 chain hydrocarbon group or the like; R4 represents a C1–C6 chain hydrocarbon group or the like; R6 represents a C1–C6 chain hydrocarbon group or the like; and when q is 2, 3, 4, or 5, the two adjacent R6 and R6 together with the carbon atom to which they are bonded may form a C5–C6 alicyclic hydrocarbon or the like], or an N-oxide thereof or a salt thereof, can be used for controlling plant diseases.

The invention relates to the technical field of adsorption materials, and provides an application of a covalent organic framework in iodine vapor adsorption, including an application of compounds as shown in formulas 1-8 in iodine vapor adsorption. Compared with the prior art, the method has the advantages that the iodine elementary substance can be effectively adsorbed by utilizing the advantages of high porosity, high specific surface area, abundant nitrogen atoms in a framework and the like of COFs, so that the problem of recovery and treatment of the radioactive iodine elementary substance in the nuclear waste is solved, and the harm of radioactive iodine to human is reduced. Moreover, the compounds as shown in the formulas 1-8 contain light elements such as C, H, O and N, and the dosage of the compounds is smaller when the compounds adsorb the same iodine.

A paste that includes particles of a layered material in an ammonia aqueous solution. The particles include one or plural layers, the layers having a layer body represented by MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, and m is more than n but not more than 5, and a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom, wherein the paste has a viscosity of 1 Pa·s or more at a shear velocity of 1 / s when the paste has a solid content concentration of 1.0% by mass.

A polishing liquid containing: abrasive grains; an additive; and water, in which the additive includes (A1) a polyglycerol having a weight average molecular weight of 350 to 2800 and (B) a compound having two or more nitrogen atoms to which a hydroxyalkyl group is bonded. A polishing liquid containing: abrasive grains; an additive; and water, in which the additive includes (A2) a polyglycerol having a hydroxyl value of 800 to 1000 mgKOH / g and (B) a compound having two or more nitrogen atoms to which a hydroxyalkyl group is bonded.

The invention discloses a multi-metal active site covalent organic framework material, a preparation method thereof and application of the multi-metal active site covalent organic framework material in activating PMS to degrade pollutants, the multi-metal active site covalent organic framework material comprises metalloporphyrin and bipyridine groups, when porphyrin loads metal, metal atoms are connected through coordination of two nitrogen sources of bipyridine, the metal atoms are connected through coordination of two nitrogen sources of bipyridine, and therefore the multi-metal active site covalent organic framework material is obtained. Multi-metal active sites are formed; the metal active sites are increased, and the distance between metals is adjusted, so that the framework material shows excellent catalytic activity. The covalent organic framework material is prepared through a solvothermal reaction, the covalent organic framework material continues to react with a metal precursor to load metal, the preparation method is simple, a complex reaction process and harsh reaction conditions are not needed, and large-scale preparation can be achieved.

One embodiment of the present invention relates to: a composition containing particles having a refractive index of 1.8 or more, a polymer compound represented by formula (1), and a solvent; a liquid crystal film, a film or a display device using the composition; and a dispersant containing a polymer compound represented by formula (1). In formula (1), the whole has one or more mesogenic structures, and m + n satisfies 2-10. A1 represents at least one group selected from the group consisting of an acid group, a urea group, a urethane group, a group having a coordinating oxygen atom, a group having a basic nitrogen atom, a phenol group, an alkyl group, an aryl group, a group having an alkyleneoxy chain, an imide group, an alkoxycarbonyl group, an alkylaminocarbonyl group, a carboxylate group, a sulfonamide group, a heterocyclic group, an alkoxysilyl group, and an epoxy group; and P1 represents a polymer chain, a monovalent group of a group selected from the group consisting of an isocyanate group and a hydroxyl group. # imgabs0 #

The invention discloses novel dual-emission dissimilar metal MOFs, the chemical formula of which is [Eu2 (na) 6 (CH3OH) 2 (Cu4I4)], and na-is a nicotinic acid radical ion. The MOFs have two secondary structural units: a cubic alkane [Cu4I4] cluster and a 1D inorganic-organic chain [Eu (na) 3] n, each [Cu4I4] cluster serves as a four-connection node, and the 1D [Eu (na) 3] n chain is connected through a nitrogen atom of a na-ligand, so that a three-dimensional skeleton structure is expanded. Tests show that at room temperature, when the compound is excited by 338 nm ultraviolet light, the compound shows two emission centers, a wide emission peak at 557 nm belongs to cluster center triplet emission of a [Cu4I4] cluster, and emission of sharp peaks at 591, 611 and 701 nm corresponds to characteristic emission of Eu < 3 + >. Particularly, the intensity ratio of two fluorescence emission peaks of the compound at 567 nm and 610 nm in the temperature range of 125-300 K and the temperature have a good linear relation, the compound is a sensitive ratio type fluorescence temperature sensing material, and a new thought is provided for application of the ratio type fluorescence temperature sensing material.

The present disclosure provides a resin composition that can improve the fluidity of the resin composition and enhance the crack resistance of a cured product. The resin composition contains a liquid epoxy compound (A), a liquid aromatic amine compound (B), an inorganic filler (C), and an aluminum complex (d1) having nitrogen atoms and oxygen atoms. The viscosity of the resin composition at 25°C is 400 Pa·s or less.

A molecular crystal is manufactured by a method that comprises: a step of mixing an organic molecule that includes at least one atom selected from the group consisting of a sulfur atom, an oxygen atom, a nitrogen atom, and a phosphorus atom with an alkali metal salt, while adding mechanical energy to obtain a mixture; and a step of heating the mixture.

Provided is an article including a substrate surface-treated with an organosilicon compound represented by formula (1). [In the formula, R1 is a hydrogen atom or an alkyl group; R2 is a hydrogen atom, an alkyl group, an aryl group or a group represented by formula (2) (in the formula, R3 is a hydrogen atom, an alkyl group, an aryl group, an alkenyl group, or an alkyl group substituted with an acryloyloxy group or a methacryloyloxy group, but at least one of R3 is an alkenyl group or an alkyl group substituted with an acryloyloxy group or a methacryloyloxy group; and the wavy line represents a bonding site with a nitrogen atom), and at least one R2 is a group represented by formula (2); m is an integer of 1-3; n is an integer of 1-12; and k is 0 or 1.]

This disclosure provides redox cyclable molecules for energy storage. These molecules belong to either the 4H-pyran-4-ylidene family or include a six-membered aromatic ring with one nitrogen atom at position 1 (pyridinium family) or two nitrogen atoms at positions 1 and 4 (pyrazinium family) or at positions 1 and 3 (pyrimidinium family). Molecules in these families are used as analytes in redox flow batteries.

A light emitting element of an embodiment includes a first electrode, a second electrode facing the first electrode, and functional layers disposed between the first electrode and the second electrode. At least one functional layer among the functional layers includes a monoamine compound of an embodiment thereby showing high efficiency and long life characteristics. The monoamine compound includes a substituted or unsubstituted phenanthryl group directly bonded to a nitrogen atom, a substituted or unsubstituted dibenzoheterole group directly bonded to the nitrogen atom, and a substituted or unsubstituted naphthyl group bonded to the nitrogen atom via a linker.

To provide a photosensitive composition capable of further improving diffraction characteristics.The present technology provides a photosensitive composition including: at least a compound represented by the following general formula (1); a binder resin; and a photoinitiator.In the general formula (1), X1 represents an oxygen atom, a nitrogen atom, a phosphorus atom, a caron atom, or a silicon atom.Y1 and Y2 each represent a benzene ring or a naphthalene ring, and both Y1 and Y2 do not represent benzene rings.R1 to R3 each represent a hydrogen or a substituent group represented by *—Z1(R4)d (* represents a bonding site).Z1 represents a single bond, a saturated hydrocarbon group having a valence of 2 or higher, or an unsaturated hydrocarbon group having a valence of 2 or higher, and the saturated hydrocarbon group or the unsaturated hydrocarbon group may have an ether bond and / or a thioether bond.R4 represents a hydrogen or a polymerizable substituent group.

A hole transport material comprising an organic compound, wherein the organic compound is represented by the general formula (G1), where R 1 to R 8 independently represent hydrogen, a hydrocarbon group with 1 to 6 carbon atoms, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms. where R 2 no amino group; where one of A and B represents a group represented by the general formula (g1), and the other represents hydrogen, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, a hydrocarbon group with 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms, where Ar 1 and Ar 2 independently represent a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms or a group represented by the general formula (g2), where Ar 1 and Ar 2 do not contain a dibenzothiophene skeleton where R 11 to R 18independently represent hydrogen, a hydrocarbon group with 1 to 6 carbon atoms, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms, and where one of Z 1 and Z 2 bonded to a nitrogen atom in the general formula (g1) and the other being hydrogen, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, a hydrocarbon group with 1 to 6 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms.

This compound is represented by general formula (1). R1-R14 each independently represent a hydrogen atom, a substituted or unsubstituted aryl group having 6-19 ring-forming carbon atoms, a substituted or unsubstituted heterocyclic group having 5-50 ring-forming atoms, a group represented by general formula (12), or the like. At least one among R1-R14 is a group represented by general formula (12). L1 represents a substituted or unsubstituted arylene group having 6-30 ring-forming carbon atoms, or a substituted or unsubstituted divalent heterocyclic group having 5-30 ring-forming atoms. Ar1 represents a substituted or unsubstituted pyrenyl group, a substituted or unsubstituted heterocyclic group having 5-30 ring-forming atoms, or the like. When L1 represents a heterocyclic group, the ring of that heterocyclic group, and, when Ar1 represents a heterocyclic group, the ring of that heterocyclic group do not include a nitrogen atom or a sulfur atom.