73results about "Silver organic compounds" patented technology

Provided are powder of a pure disilver hydrogen citrate-containing composition in powder form, having excellent solubility, and a method for easily obtaining the disilver hydrogen citrate-containing composition with high efficiency. In addition, provided are an antibacterial agent or antiviral agent, containing the disilver hydrogen citrate-containing composition, and a method for producing the same.The method for producing a disilver hydrogen citrate-containing composition of the present invention includes the following processes (1) to (3):(1) preparing a reaction mixture containing a silver compound and citric acid, the reaction mixture having a pH of 2.0 to 5.5;(2) precipitating the disilver hydrogen citrate-containing composition from the reaction mixture; and(3) collecting the precipitated disilver hydrogen citrate-containing composition.

Provided is a light-emitting element having a low driving voltage and high reliability. The light-emitting element includes a light-emitting layer between an anode and a cathode, and a first layer between the light-emitting layer and the cathode, the first layer containing an organic compound and a metal. The metal belongs to any one of group 3 to group 13 in the periodic table. The organic compound and the metal are a SOMO-forming combination.

Disclosed are compounds, particularly compounds capable of sensing and / or imaging glycans (such as sialic acid, etc., such as mono-sialic acid, di-sialic acid, tri-sialic acid, polysialic acid) and / or cancer cells and capable of distinguishing between cancer cells and normal cells. The compound is a d8 or d10 metal complex or a salt thereof. The metal complexes may bind to glycans (such as, for example, monosialic acid, disialic acid, trisialic acid, and polysialic acid, etc.) and / or cancer cells. The combination interaction induces the accumulation of the metal complex and the self-assembly of the supramolecules, thereby causing the change of the photophysical properties of the metal complex.

The present invention provides a metal-ligand protected silver nanocluster and its preparation and application in remote laser ignition. The metal-ligand protected silver nanocluster of the present invention is composed of RS ‑ and [(TC4A)6(V9O 16 )] 11‑ binary mixed ligand protected Ag 14 nanoclusters, with the molecular formula {Ag 14 [(TC4A)6(V9O 16 )](RS)3}. The structure and composition of the silver nanoclusters synthesized by the present invention are clear and novel; the preparation steps are simple, the preparation conditions are mild, and the raw materials are easily available, having the potential for industrial production; the obtained silver nanoclusters have excellent photothermal conversion performance, have good photothermal conversion effect and rapid heating rate under the irradiation of 660 nm laser, and have potential application value in the field of laser remote ignition materials.

An agent for an arrest of dental caries is a silver complex fluoride (SCF) of the structure: [Ag(1,3,5-triaza-7-phosphaadamantane)2]F, (Ag(PTA)2F). The agent effectively arrests dental caries and promotes remineralization of carious lesions. The agent results in minimal staining of teeth and tissue inflammation. The therapeutic agent can be applied selectively to a site of caries or other damaged tissue in the oral cavity.

The invention relates to organic electroluminescent materials and devices. The present disclosure provides carbene emitters of formula (I) wherein the ligand LigA has one or more electron withdrawing substituents; an organic light emitting device (OLED) comprising an anode, a cathode, and an organic layer disposed between the anode and the cathode, the organic layer comprising a compound of formula (I); and a consumer product comprising an OLED comprising a compound of formula (I): Formula (I).

To provide powder of a powdery pure disilver hydrogen citrate-containing composition having excellent solubility, a method of obtaining conveniently and efficiently the composition containing disilver hydrogen citrate, an antibacterial agent or an antiviral agent that contains the composition containing disilver hydrogen citrate, and its manufacturing method.SOLUTION: A manufacturing method of a composition containing disilver hydrogen citrate of the present invention comprises: (1) a step of adding a silver compound and citric acid in such an amount that the disilver hydrogen citrate reaches a saturation amount, to a solvent, forming a reaction liquid, (2) a step of adding a basic agent to the reaction liquid and controlling pH to 2.0 to 5.5 to precipitate a composition containing disilver hydrogen citrate, and (3) a step of recovering precipitated composition containing disilver hydrogen citrate.SELECTED DRAWING: Figure 1

An antimicrobial agent with synergistic antimicrobial effects, comprising iodide ions encapsulated within silver cages, as well as its preparation method and application, relates to the technical field of antimicrobial materials. The antimicrobial agent utilizes a 16-core silver cage as its basic structural unit, encapsulating iodide ions within the cages and assembling them into a one-dimensional chain structure using thiols as connectors. This antimicrobial agent, by encapsulating iodide ions within the silver cages, achieves diversified antimicrobial material performance and structure through the synergistic action of multiple antimicrobial mechanisms.

Pharmaceutical compounds have anti-inflammatory activity. A pharmaceutical composition may include a therapeutically effective amount of the compound(s) and a pharmaceutically acceptable vehicle. A method of treating hemochromatosis, hyperammonemia, or a disorder associated with chronic inflammation or a cancer, involves administering the pharmaceutical composition to an individual in need thereof. In another aspect, a method of inhibiting formation of metal oxides or reducing metal reactivity comprises contacting a metal with an effective amount of the compound(s).

A compound including a first ligand LA of Formula I,is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; moiety B is a polycyclic fused ring system having at least three rings; each of Z1 to Z4 is C or N; K is a direct bond or a linking group; each R substituent is hydrogen or a General Substituent defined herein; at least one RA includes a non-aromatic polycyclic group; LA is coordinated to a metal M; Z1 forms a dative bond with M; and Z2 forms an anionic bond to K. Formulations, OLEDs, and consumer products containing the compound are also provided.

The invention discloses a Salen ligand, a carbene compound and a preparation method of the Salen ligand and the carbene compound, and belongs to the technical field of chemical synthesis. The chemical structural formula of the Salen ligand is shown as a formula I, and the formula I is # imgabs0 #; in the formula I, M comprises any one of Pd, Ni, Cu and Zn; r comprises any one of methyl, ethyl and n-butyl; r'comprises any one of C1-C5 alkyl, phenyl and biphenyl; and X comprises PF6. Salen and carbene are combined to realize concerted catalysis, stability enhancement and multifunctional integration, the structure adjustability and metal coordination capability of the Salen ligand are retained, high reaction activity and stability of carbene are introduced, a multifunctional composite system is formed, the catalytic activity of the single Salen ligand is remarkably improved, and the Salen ligand has a wide application prospect. The application field of the Salen ligand is widened, and the technical problem that Salen is rarely researched in the carbene field is solved.

The invention relates to the technical field of developing materials, and discloses a preparation method and application of a luminescent nanocluster, the preparation method comprises the following steps: step 1, dissolving a metal precursor in methanol to prepare a metal precursor solution, the metal precursor being selected from silver nitrate, copper nitrate or a combination thereof; step 2, adding 4, 6-dimethyl-2-mercaptopyrimidine into the metal precursor solution, and carrying out a stirring reaction to form a complex; 3, adding sodium hydroxide into the reaction mixture, and continuously stirring until a luminescence phenomenon occurs; step 4, carrying out centrifugal treatment on the reacted solution, and separating to obtain an upper solution and a lower precipitate; step 5, respectively collecting the upper solution and the lower precipitate redissolved by methanol, and standing; step 6, obtaining a high-luminescence nanocluster crystal in a natural volatilization or standing and airing mode; the absolute luminous quantum efficiency of the material prepared by the invention is 60% or above, and some absolute luminous quantum efficiencies are even close to 100%; the light-emitting wavelength can be adjusted from yellow-green to red, the latent fingerprint showing precision is extremely high, the third-level characteristics of fingerprints can be clearly shown, the advantages of being simple in synthesis process, low in cost, small in pollution and the like are achieved, and wide application prospects are achieved in the technical field of new-generation fingerprint detection.

The present invention relates to Ag-based organic coordination nanoparticles, a method for producing the same, a photoresist composition and use thereof. m (R) n (Q) x ] y The production method involves placing a silver salt and a primary organic ligand in a sample bottle, dissolving them in an organic solvent, stirring for a certain period of time under specific temperature conditions, filtering, concentrating, crystallizing by cooling or evaporating, and finally recrystallizing in an organic solvent to obtain Ag-based organic coordination nanoparticles. This nanoparticle composition can be used as an electron beam, mid-UV, deep UV, and EUV photoresist.

An organometallic compound represented by Formula 1wherein, M1 to M4 are each independently a first-row transition metal, a second-row transition metal, or a third-row transition metal; X1 and X2 are each independently C(R5)(R6), Si(R5)(R6), N(R5), O, S, Se, or Te; W1 to W4 are each independently N(R7)(R8), P(R7)(R8), S(R7), a C5-C60 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a; L1 to L6 are each independently a C1-C30 alkylene group unsubstituted or substituted with at least one R10a, a C5-C60 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a, a3 to a6 are each independently an integer from 0 to 3, and R1 to R8 and R10a in Formula 1 are as described herein.

To provide an extractant for selectively extracting at least one of cuprous salt and silver salt.SOLUTION: The present invention provides a metal salt extractant for extracting at least one of cuprous salt and silver salt. The extractant is a compound represented by general formula (1). In the general formula (1), R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a hydroxy group, or a group represented by -NHR', and R' represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, or a hydroxy group.SELECTED DRAWING: Figure 1

Provided is a light-emitting element having a low driving voltage and high reliability. The light-emitting element includes a first light-emitting layer and a second light-emitting layer between an anode and a cathode, and a first layer between the first light-emitting layer and the second light-emitting layer. The first layer includes a metal and a first organic compound including an electron-deficient heteroaromatic ring. The metal belongs to any one of group 3 to group 13 in the periodic table.

Provided are compounds of Formula (I) wherein P is a phosphorescent emitter, F is a fluorescent emitter, and L is a covalent linker. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds

The application discloses a thiacalix[4]arene-protected copper-silver nanocluster material for electro-reducing CO2 and a preparation method thereof, and belongs to the technical field of organic-inorganic hybrid catalysts. O h Symmetry, the molecular structure is composed of a truncated cubic inorganic silver core and a peripheral ligand, large ligands cover, i.e. passivate the larger face of the cubic core, small size ligands cover, i.e. passivate the smaller face of the cubic core, forming a double hydrophobic protective shell. The silver atoms on the truncated face are exposed, realizing the symmetrical construction of the cluster structure and the ordered exposure of the sites, and effectively ensuring the synthesis of the copper-silver nanocluster material with stability and activity. The faradic efficiency of the copper-silver nanocluster material for electro-catalytically reducing CO2 to CO reaches 97.76% under the condition of self-stability.

A metal-organic chalcogenolate (MOC) includes silver phenylselenolate functionalized with at least one functional group. The functional group may be methyl (CH3), dimethylamine (N(CH3)2), thiomethyl (SCH3), fluoro (F) trifluoromethyl (CF3), cyanide (CN), carboxy (COOH), nitrito (NO2), or alkoxy (OCxHy). The MOC can be in the form of a single crystal consisting essentially of a nanocluster (0D), a nanotube (1D), or a single monolayer (2D).

A kind of super-large mercaptan silver cluster material with silver triangle as core and its preparation method belong to the technical field of inorganic nanomaterials, the chemical formula of the silver cluster material is: C 114 Ag 104 S 34 O2, belongs to triclinic system, space group is P-1, cell parameter is α=108.5020 (10) °, β=119.4730 (10) °, γ=96.1580 (10) °, the silver cluster material has luminescent property.

A compound having a first ligand LA wherein the first ligand LA comprises a structure of Formula Iis provided. In Formula I, if R2 and R3 are not joined to form a ring, then at least two of R1 to R6 are not H. Also in Formula I, if R1 and R2 are not H, then R1 and R2 are also not bonded to the first ligand LA. Formulations, OLEDs and consumer products containing the compound are also provided.

The pharmaceutical compounds have anti-inflammatory activity. A pharmaceutical composition may include a therapeutically effective amount of a compound and a pharmaceutically acceptable carrier. A method of treating hemopigmentation, hyperammonemia, or a disease associated with chronic inflammation or cancer comprises administering a pharmaceutical composition to an individual in need thereof. In another aspect, a method of inhibiting metal oxide formation or reducing metal reactivity includes contacting a metal with an effective amount of a compound.

Methods of depositing a passivation layer on a semiconductor substrate are described. The methods may include exposing a semiconductor substrate having a metal layer thereon to a precursor to form a passivation layer on the metal layer, the precursor having a general formula (I), where exposing the semiconductor substrate to the precursor may include a transmetallation process. The method may further include purging the semiconductor substrate.

The application discloses a metal nanomaterial, in particular discloses a thermoluminescence color-changing metal nanomaterial, a preparation method and application thereof. The thermoluminescence color-changing metal nanomaterial exhibits a significant temperature-dependent characteristic in emission intensity under ultraviolet excitation. The thermoluminescence color-changing metal nanomaterial can be used as a nanometer fluorescence thermometer and has wide application in the technical fields of biological medicine, environmental monitoring and nanoelectronics.

To provide an organometallic compound and an organic light-emitting device including the organometallic compound.SOLUTION: An organometallic compound herein is represented by chemical formula 1 shown below. For explanations of the chemical formula 1, the corresponding descriptions of the specifications are referred to.SELECTED DRAWING: Figure 1

The invention discloses an antibacterial agent with iodide ions encapsulated in a silver cage and a synergistic antibacterial effect as well as a preparation method and application of the antibacterial agent, and relates to the technical field of antibacterial materials. The antibacterial agent takes a 16-core silver cage as a basic structural unit, iodide ions are packaged in the silver cage, and mercaptan is taken as a connector to assemble a one-dimensional chain structure. According to the antibacterial agent, iodide ions are packaged in a silver cage, and diversification of the performance and the structure of an antibacterial material can be achieved through the synergistic effect of multiple antibacterial mechanisms.

The present invention belongs to the technical field of organic compounds, and specifically relates to a binuclear macrocyclic metronidazole metal complex and its preparation method and application. The preparation method: (1) 2-Pyridinecarboxylic hydrazide, potassium hydroxide and carbon disulfide are subjected to a reflux reaction to obtain 5-(pyridin-2-yl)-1,3,4-oxadiazole-2-thiol; (2) Metronidazole is subjected to a first reflux with triethylamine and p-toluenesulfonyl chloride respectively, and then subjected to a second reflux with potassium iodide to obtain 1-(2-iodoethyl)-2-methyl-5-nitro-1H-imidazole; (3) The products obtained in (1) and (2) are subjected to a reflux reaction, and then dissolved in an organic solvent containing a silver salt to obtain a binuclear macrocyclic metronidazole metal complex. The binuclear macrocyclic metronidazole metal complex of the present invention can further improve the antibacterial effect of the current metronidazole metal complex; and the preparation method is simple and easy to operate, convenient for purification, and the obtained product has good stability in the air.

The invention belongs to the technical field of organic compounds, and particularly relates to a binuclear macrocyclic metronidazole metal complex as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) carrying out reflux reaction on 2-pyridine formylhydrazine, potassium hydroxide and carbon disulfide to prepare 5-(pyridine-2-yl)-1, 3, 4-oxadiazole-2-thiol; (2) respectively carrying out primary reflux on metronidazole, triethylamine and p-toluenesulfonyl chloride, and then carrying out secondary reflux on metronidazole and potassium iodide, so as to prepare 1-(2-iodoethyl)-2-methyl-5-nitro-1H-imidazole; and (3) carrying out reflux reaction on products prepared in the steps (1) and (2), and dissolving in an organic solvent containing silver salt to prepare the binuclear macrocyclic metronidazole metal complex. According to the binuclear macrocyclic metronidazole metal complex disclosed by the invention, the antibacterial effect of the current metronidazole metal complex can be further improved; the preparation method is simple and easy to implement, purification is convenient, and the prepared product is good in stability in air.