537results about "Group 8/9/10/18 element organic compounds" patented technology

The invention relates to the technical field of electrode materials, and discloses a preparation method of a lithium iron manganese phosphate material and a lithium ion battery. The lithium iron manganese phosphate material is prepared by the following steps: performing in-situ growth in a cavity of polyethylene glycol-sucrose hybrid aerogel with a three-dimensional porous network structure to form a manganese iron phosphate precursor; the hybrid aerogel can control excessive agglomeration and disordered growth of ferromanganese phosphate precursor particles and avoid particle agglomeration, so that the finally formed lithium ferromanganese phosphate material particles are finer and more uniformly distributed, and an amorphous carbon-aluminum layer is formed during later calcination, so that the performance of the material is improved. The surface of lithium manganese iron phosphate particles is tightly coated with the composite material, electron transmission can be accelerated, particle pulverization can be reduced, meanwhile, corrosion of corrosive components in electrolyte can be inhibited, interface side reactions such as transition metal ion dissolution can be reduced, and finally the conductivity and cycling stability of the lithium ion battery are remarkably improved.

The invention discloses a metal ion affinity cyclometalated iridium complex as well as a preparation method and application thereof. The cyclometalated iridium complex has a structure of a compound as shown in a formula I: # imgabs0 #. The cyclometalated iridium complex can be well taken by tumor cells, has good anti-tumor activity, and can redistribute endogenous Zn < 2 + > from cytoplasm to mitochondria, so that excessive Zn < 2 + > in the mitochondria of cancer cells is accumulated, the zinc homeostasis of the mitochondria is adjusted, and the obvious change of the Zn < 2 + > level of the whole cell is not caused; the complex has excellent cytotoxicity which is about 10 times that of cis-platinum, and an in-vivo anti-tumor result shows that the primary tumor inhibition rate of the complex reaches 50.5% and is higher than that of the cis-platinum; the complex can also target mitochondria, improve the ROS level in cells and induce mitochondrial dysfunction and mitochondrial DNA damage.

The invention relates to the technical field of carbonylation, and discloses a phosphine nitrogen compound and a metal complex as well as a preparation method, a composition and application thereof and a carbonylation reaction method. Wherein the phosphine-nitrogen compound has a chemical structure as shown in a formula (II), and the metal complex prepared from the phosphine-nitrogen compound has the characteristics of high catalytic activity, good thermal stability, difficulty in inactivation and high product selectivity in catalytic carbonylation reaction. # imgabs0 #

The invention belongs to the technical field of organic electroluminescent materials, and provides an iridium-containing heterocyclic phosphorescent doping material and an organic electroluminescent device.The doping material has a compound general formula shown in the formula I. Quinoline and a naphthalene ring are connected through silane or germane, and a silicon or germanium six-membered heterocyclic structure is formed. And reacting with iridium metal and a diketone monomer to obtain the iridium metal heterocyclic phosphorescent organic light-emitting material. The heteroatom silicon or germanium in the material can adjust molecular orbital HOMO and LUMO energy levels, and the polarity effect of heteroatoms promotes electron migration, reduces interface potential barriers and electron injection barriers, reduces carrier injection loss and improves carrier mobility, so that driving voltage is reduced, and the external quantum efficiency of a device is improved. In addition, the silicon or germanium heterocyclic ring has better rigidity, so that the overall stability of the structure is enhanced, and the rigid structure can prolong the service life of the device.

An organometallic complex is represented by general formula (1).M is Pd or Pt. B-A-B is a tetradentate ligand formed by bonding a ring A to rings B. The ring A is a hydrocarbon aromatic ring or heteroaromatic ring that may have a substituent, and is selected from a benzene ring, etc. The substituent that the ring A may have is selected from a linear or branched C1 to C6 alkyl group, etc. Each of the rings B is a monocyclic heteroaromatic ring that may have a substituent, and is selected from a pyridine ring, etc. The substituent that the ring B may have is selected from a linear or branched C1 to C6 alkyl group, etc. Each X-Y is a bidentate ligand, and atoms bonded to M are selected from C, N, and O atoms. The two bidentate ligands do not bond together.

The present invention provides: a novel heteropolyoxometalate having a modified lacunary site, obtained by modifying the lacunary site of a heteropoly anion having a lacunary site, using a metal ion, an ammonium cation, an ammonium dication, a phosphonium cation, or a phosphonium dication as a counter cation of the heteropoly anion; or a mixture thereof.

A metal-organic coordination compound is formed of a divalent Europium cation, a macrocyclic organic ligand, and iodide anions in an amount to make the coordination compound electrically neutral, with the macrocyclic organic ligand comprising 16 to 23, preferably 18 to 20 ring atoms, with the exception of five specific macrocyclic organic ligands M1 to M5.

The invention discloses an ionic iridium complex sonosensitizer as well as a preparation method and application thereof, belongs to the technical field of metal complex preparation, provides four ionic iridium complex sonosensitizers with excellent treatment effects, and provides a preparation method of the ionic iridium complex and application of the ionic iridium complex sonosensitizers in tumor sonodynamic therapy. The ionic iridium complex sonosensitizer prepared by the invention shows remarkable affinity to mitochondria, and due to more negative potentials in cancer cells, the cationic iridium complex targeting cancer cells is more favorably realized, and meanwhile, due to the introduced triphenylamine structure, the AIE behavior of the triphenylamine structure is realized, so that the targeting effect of the cationic iridium complex on the cancer cells is improved. The ionic iridium complex sonosensitizer can activate the sonosensitizer in an aggregation state to promote the generation of ROS, the triplet excited state energy level of the ionic iridium complex sonosensitizer can be well matched with the excited state energy level of oxygen, and meanwhile, the ionic iridium complex sonosensitizer has a relatively long triplet excited state life, so that the ROS generation capability of the ionic iridium complex sonosensitizer is relatively high; and the material is a candidate material of a sound-sensitive agent with an excellent sonodynamic therapy effect.

The invention relates to the technical field of organic silicon catalysis, and discloses a hydrosilylation reaction catalyst and a preparation method thereof, the catalyst is prepared from a platinum complex catalyst solution, maleic anhydride, triphenyl borate, tetraethoxysilane, propylene carbonate and diethylene glycol dibutyl ether; the preparation method comprises the steps of solvent water removal, electronic relay adduct preassembly, active metal introduction, thermal induction aging and the like. An electron-deficient coordination center is constructed through a step-by-step process, the electron cloud density of the platinum center is reduced by utilizing the Lewis acid characteristic of triphenyl borate, and the solvent cage effect of propylene carbonate is matched, so that the high-temperature tolerance of the catalyst is improved, and the generation of platinum black is effectively inhibited; meanwhile, the solubilizing and bridging effects of diethylene glycol dibutyl ether are utilized, the compatibility problem of a high-polarity component and a non-polar silicone oil matrix is solved, and the obtained catalyst has high activity, high regioselectivity and excellent long-term storage stability.

The present invention provides an iridium-based catalyst, a preparation method thereof, and a method for catalytic hydroformylation of propylene. The structural formula of the iridium-based catalyst is where Ph is a phenyl group, x is any one of 0, 1, and 2, and X is any one of Cl, NO<subgt;3< / subgt;, BF<subgt;4< / subgt;, PF<subgt;6< / subgt;, and acac. The iridium-based catalyst disclosed in the present invention has good catalytic effect and high activity, and can still maintain high catalytic performance after being used multiple times.

The application provides a Pd6(SR) 12 cluster with an octahedral structure, the Pd6(SR) 12 cluster is a cyclohexanethiol ligand-protected palladium cluster, contains 6 Pd atoms, 12 cyclohexanethiol ligands, the 6 Pd atoms form an octahedral core, and the sulfur atoms in the cyclohexanethiol ligands are connected with the Pd atoms peripherally, and each sulfur atom is connected with two Pd atoms. The application further discloses a preparation method of the Pd6(SR) 12 cluster, and the application fills the technical vacancy of synthesizing Pd clusters with structures other than a ring structure, and has high popularization value.

The present invention discloses an iridium complex and an organic light-emitting device, belonging to the field of display technology. The chemical structure of the iridium complex is as follows: #imgabs0#p≥0, R m represents a first substituent, wherein the first substituent is selected from at least one of halogen, -CF3, -CN, substituted or unsubstituted C1-C6 alkyl; q≥0, R n represents a second substituent selected from at least one of halogen, -CF3, -CN, substituted or unsubstituted C1-C6 alkyl; t≥0, R a represents a third substituent, wherein the third substituent is selected from one of fluorine, -CF3, and -CN. When the iridium complex is used as a red light dopant, it not only more effectively improves the luminous efficiency and luminous lifetime, but also has stronger thermal stability.

The invention specifically discloses a beta-diketone iridium complex as well as a preparation method and application thereof, and relates to the technical field of biological medicines. The beta-diketone iridium complex provided by the invention has high phototoxicity and low dark toxicity, can be applied to tumor cells as effective PSs of PDT, and is specifically delivered to the tumor cells by taking a traditional Chinese medicine monomer tripterine as a supplement in combination with a nano-targeting delivery technology for photodynamic / immune synergistic treatment of hypoxic tumors.

The invention provides an organic metal complex. The organic metal complex has a structure as shown in a formula (I). The invention further provides application of the organic metal complex, the organic metal complex is applied to the organic electroluminescent device, and the prepared organic electroluminescent device shows excellent performance of high efficiency and long service life. # imgabs0 #

The present invention addresses the problem of providing mechanochemical reaction additive that can be handled in air, that can be easily synthesized, that when used in a mechanochemical reaction can increase the activity of the mechanochemical reaction, and that can be applied to a wide variety of substrates under gentle conditions. Provided as a solution is a mechanochemical reaction additive comprising at least a ligand compound (Lx) or a salt thereof, wherein the ligand compound (Lx) is one or more compounds from among phosphorus-based compounds, bipyridine compounds, and N-heterocyclic carbene-based compounds, the ligand compound (Lx) has a polymer chain in the molecule thereof, and the polymer chain is one or more polymer chains from among polyethers, polyamides, polyesters, and polyurethanes.

The invention provides a pipeline premixer, a multi-component liquid-phase reactant pipeline premixing system and method and application of the pipeline premixer and the multi-component liquid-phase reactant pipeline premixing system and method. The pipeline premixer is used for pre-mixing multi-component liquid phase reactants and sequentially comprises a variable-pitch spiral flow guide section, a spiral flow guide section, a spiral flow guide section and a flow guide section in the fluid direction, and the variable-pitch spiral flow guide section is used for increasing the fluid Reynolds number to a turbulent flow area; the multi-taper-hole shear plate section is used for shearing fluid so as to generate a local cavitation effect; and the helical tooth staggered mixed grid section is used for enabling the fluid to generate a Karman vortex street. Compared with the prior art, the pipeline premixer, the multi-component liquid phase reactant pipeline premixing system, the method and the application have the advantages that molecular-level uniform mixing of multi-component reactants is realized by arranging the variable-pitch spiral flow guide section, the multi-taper-hole shear plate section and the helical-tooth staggered mixing grid section; therefore, the problem of non-uniform component distribution caused by mixing delay in the kettle can be solved.

This invention provides a dehydrogenation catalyst that enables the production of hydrogen by dehydrogenating formic acid using a continuous process with higher efficiency than conventional methods, as well as a polymer precursor that can optimally form the catalyst and a formic acid dehydrogenation catalyst formed therefrom. [Solution] The polymer precursor has a structure represented by the following general formula (1). TIFF2026073992000060.tif50163 (A and B are independently groups comprising a 5-membered or 6-membered heterocycle or oxime structure which may have substituents, Z is a 5-membered or 6-membered aromatic ligand, M is a Group 8 noble metal element, R 1 R is a hydroxyl group, an alkenyl group or alkynyl group having 1 to 12 carbon atoms, 2 (where is a halogen atom, hydrogen atom, formic acid, or water molecule, X is an anion, and n is a natural number between 1 and 12)

The organometallic compound represented by formula (1) provides an organic electroluminescent element which is driven at a low voltage, has a long lifetime, and is highly efficient, and a device including the organic electroluminescent element. In formula (1), R1 to R20, X1 to X2, a1 to a2, M, L1, and cy1 to cy2 are completely the same as defined in the description. # imgabs0 #

The present disclosure discloses a nickel catalyst of formula (I). The present disclosure also discloses a process of hydrogenation-dehydrogenation coupling catalyzed by catalyst of formula (I). Further, the present disclosure also discloses a process for secondary imine hydrogenation reactions catalyzed by catalyst of formula (I).

The invention belongs to the field of anti-cancer drugs, and particularly relates to an anti-cancer porphyrin molecular cage structure and cytotoxic application of the anti-cancer porphyrin molecular cage structure to liver cancer. The invention discloses two coordination molecular cages Pd-TMPP (Cu) and Pd-TMPP (Zn), and detailed and accurate verification is carried out on the structural characteristics and element composition of the two coordination molecular cages through a series of tests. And then the two compounds are modified by hyaluronic acid so as to obtain targeting and water solubility. Experimental results show that the Pd-TMPP (Zn) has concentration-dependent cytotoxicity to HuH-7, Hep-G2 and PLC / PRF / 5, and the cytotoxicity is remarkably enhanced after the Pd-TMPP (Zn) is irradiated by infrared light.

The invention belongs to the field of biological catalytic materials, and particularly relates to a palladium monatomic-based biological catalyst, a biological catalytic compound thereof, a preparation method and application of the biological catalyst. The invention designs a coordination complex (Pd-Tpb) based on a palladium single atom from the beginning and finds that the coordination complex can be used as a biocatalyst with radiation-enhanced ROS (reactive oxygen species) generation activity and tumor killing performance for the first time. On the basis, Pd-Tpb is used for modifying lactobacillus probiotics, the obtained biocatalytic compound is used for biocatalysis and radiosensitization treatment, and it is found that the biocatalytic compound has the remarkably improved radiosensitization effect and has the effect of eradicating primary and metastatic tumors.

The application relates to the technical field of electronic materials, and discloses a fluorinated iridium complex, a preparation method and application thereof, and an organic photoelectric device. The fluorinated iridium complex has a structure shown in formula (I): R 1 is a C1-C13 alkyl substituent, R 2 is a C1-C13 alkyl substituent, and the substitution sites are the meta and para positions of a carbon atom of an isoquinoline phenyl linkage, X is an independently existing hydrogen atom, a fluorine atom or an alkyl substituent, wherein the alkyl substituent is a deuterated, partially deuterated or aryl-substituted alkyl group; the fluorinated iridium complex realizes high-efficiency supersaturation deep red light as a red phosphor material in an organic light-emitting device.

The application belongs to the field of biological catalytic materials, and particularly relates to a biological catalyst based on a palladium single atom, a biological catalytic complex thereof, and a preparation method and application thereof. A coordination complex (Pd-Tpb) based on a palladium single atom is designed from scratch, and it is found for the first time that the coordination complex can be used as a biological catalyst with ROS generation activity and tumor killing performance with radioenhancement. On this basis, the Pd-Tpb is used to modify lactobacillus probiotics, and the obtained biological catalytic complex is used for biological catalysis and radiosensitization treatment, and it is found that the biological catalytic complex has a significantly improved radiosensitization effect and has the effect of eradicating primary and metastatic tumors.

The invention discloses a preparation method and application of 1, 4-bis (diphenylphosphine) butane platinum dichloride (II), and the preparation method comprises the following steps: (1) mixing absolute methanol and dichloromethane, carrying out deoxidation treatment, and adding 1, 4-bis (diphenylphosphine) butane into the mixture; (2) dissolving potassium chloroplatinite in distilled water, filtering insoluble impurities, dropwise adding the potassium chloroplatinite into the reaction system in the step (1) under the protection of inert gas while keeping a stirring state, and after dropwise adding, heating, refluxing and stirring for reaction; (3) carrying out filter pressing under the protection of inert gas, passing through a silica gel column, and collecting filtrate; (4) concentrating the filtrate, and then adding an organic solvent for pulping; and (5) carrying out filter pressing under the protection of inert gas, washing a filter cake, and carrying out vacuum drying. According to the preparation method, the product yield is high, the purity is high, and the obtained 1, 4-bis (diphenylphosphine) butane platinum dichloride (II) is used for hydrogenation reaction of carbonyl compounds and has good catalytic performance.

The application belongs to the technical field of organic electroluminescent materials, and discloses a phosphorescent doping material and an organic electroluminescent device containing the same. n The parent nucleus of the main ligand in the phosphorescent doping material is an aza-phenanthrene ring and a naphthalene ring substituted at a specific position, and the compound in the general formula of the application has a large oscillator strength S m excitation energy level. After absorbing external energy, the molecule can be efficiently excited, and before relaxing to the S1 energy level, the energy is transferred to the surrounding T n state through intersystem crossing, thereby fully supplying the triplet state, and finally participating in the luminescence process through the "borrowing effect" of S m and T , thereby obtaining more excellent luminescent efficiency characteristics. In addition, the device prepared from the compound in the general formula of the application has excellent overall performance, a lower driving voltage, and a longer device life.

The present invention relates to the field of organic electroluminescent material preparation technology, and particularly, to a fluorenocarbazole tetradentate platinum(II) complex, an organic light-emitting diode material, a device, and an apparatus. By means of introducing a fluorene ring system at the 3,4-position of carbazole and introducing a substituent at the ortho-position of the benzene ring at the upper left, a novel tetradentate platinum(II) complex-based blue phosphorescent material is obtained. The proportion of components of the localized state (3LE) is increased in the excited triplet state of the cyclic tetradentate platinum(II) complex, thereby achieving a low shoulder peak, improved emission color purity of material molecules, and enhanced stability of materials. The provided materials all have good chemical stability and thermal stability, thereby facilitating the preparation of evaporation-type OLED devices. The organic electroluminescent device manufactured using the above-described compound as the light-emitting layer has a significant improvement in both the blue light index (BI) and service life, and can also reduce the turn-on voltage.

In one example, an organic light-emitting diode contains an emission material layer comprising a metal-organic compound and various types of host materials. Furthermore, a display device using organic light-emitting diodes is discussed.

Provided is a compound represented by general formula (I). In general formula (I), X1 to X8 each independently represent a hydrogen atom or a substituent (which is not a halogen atom), X1 and X2, X3 and X4, X5 and X6, and X7 and X8 each may independently be bonded to each other via a substituent to form a benzene ring, Y represents an oxygen atom or a sulfur atom, and R1 to R8 each independently represent an organic group, with the proviso that when Y is an oxygen atom, not all of R1 to R8 are phenyl groups.

The invention belongs to the technical field of preparation of organic electroluminescent materials, and particularly relates to a tetradentate ring metal platinum (II) complex, an electronic device and application of the tetradentate ring metal platinum (II) complex. The invention provides a tetradentate platinum (II) complex obtained by introducing 2, 6-diisopropyl phenyl to different positions of carbazole, and the complex has a structure as shown in a formula (I). The introduction of 2, 6-diisopropyl phenyl reduces the interaction between molecules, the group has good solubility, so that the platinum complex has good spin-coating performance, and the provided compound has good chemical stability, can improve and balance the transport of holes and electrons, enables the energy transmission between a subject and an object to be more efficient, and has a good application prospect. Specifically, the compound or the composition provided by the invention is used for improving the current efficiency and prolonging the service life of the organic light-emitting device, and has a great application prospect in the fields of OLED display and illumination.