116results about "Cobalt organic compounds" patented technology

This invention provides a polynuclear metal cluster based on salicylaldehyde acetal-2-thiophenol ligand, its preparation method, and its application. The chemical formula of the polynuclear metal cluster is Co4(C 13 H9NOS)6·2CH3CN·CH3OH, where C 13 H9NOS is salicylaldehyde acetal-2-thiophenol, with Co forming a six-coordinate octahedral configuration with N, O, and S. The salicylaldehyde acetal-2-thiophenol ligand in the polynuclear metal cluster of this invention can effectively stabilize the active center of metallic cobalt, resulting in a polynuclear metal cluster with significant OER activity and broad prospects for practical applications.

The application discloses a Salen catalyst which has a structure shown in formula (I-1). The Salen catalyst is a polynuclear catalyst, two or more mononuclear catalysts can be connected into the polynuclear catalyst through a group containing an amide bond, the catalytic efficiency, the resolution yield, the recovery rate and the activity after recovery of the catalyst can be improved, the polynuclear catalyst after recovery can be mixed with a fresh polynuclear catalyst for use, and the resolution yield is high, and the polynuclear catalyst can be recycled and reused for multiple times. In addition, when the polynuclear catalyst participates in a resolution reaction, an excessive amount of water is not needed, the reaction yield can be improved, the time for resolving an end epoxy compound can be shortened, the prepared product has high purity and few impurities, and the problem of difficult purification of a final product can be solved.

A method for producing a metal-organic framework, a metal-organic framework produced therefrom, and a solid-state battery anode comprising the metal-organic framework are provided. The method comprises preparing a precursor solution by introducing a basic additive into a mixed solution containing a co-precursor and an organic ligand (S1), introducing a nickel precursor into the precursor solution and obtaining a precipitate (S2), and obtaining the metal-organic framework by purifying and drying the precipitate (S3).

The invention discloses a face-to-face binuclear cobalt complex and a preparation method and application thereof, and belongs to the technical field of organic synthesis and catalysis, the face-to-face binuclear cobalt complex is a crystal material A or a crystal material B, the chemical formula of the crystal material A is C68H68Co2N4O6, and the chemical formula of the crystal material B is C54H76Co2N6O6; the face-to-face dual-core cobalt complex comprises a crystal material A and a crystal material B. The center distance between two metal cobalt of the crystal material A is 4.821, a ligand is connected with the two metal centers in a bridging mode to form a large cavity, the dual-metal cobalt complex is formed, the two metal cobalt are subjected to synergistic activation at + 2 valence, and the dual-metal cobalt complex is formed. And hydroxyl radicals can be generated through homolysis. Wherein the ligand of the crystal material B is connected with two metal cobalt centers in a carbon chain bridging mode, the coordination environment of each metal cobalt center is in an octahedral configuration, the distance between the two metal centers is 5.720, the two metal centers are in + 3 valence at the same time, and the binuclear cobalt complex is formed.

The present application relates to the technical fields of catalyst design and ammonia synthesis, and discloses a preparation method of a pyrazole trinuclear cobalt-based catalyst, which comprises the following steps: step 1, dissolving a metal cobalt compound in water to obtain a first mixed solution, dissolving a pyridine molecule in a mixed organic solution to obtain a second mixed solution, mixing and stirring the first mixed solution and the second mixed solution, and then transferring the mixture to a high-vacuum reaction tube, and then placing the high-vacuum reaction tube in an oil bath to perform a solvothermal reaction; step 2, after the solvothermal reaction is completed, washing, centrifuging and drying the obtained substance to obtain a trinuclear cobalt-based compound powder. The present application uses nitrate as a nitrogen source, a pyrazole cobalt-based compound as a catalyst, and a mixture of potassium sulfate and potassium nitrate as an electrolyte, and effectively synthesizes ammonia through electrochemical reduction. The catalyst exhibits high Faraday efficiency and high yield under high-concentration nitrate conditions.

The present invention relates to an organocobalt compound, a catalyst composition comprising same, and an olefin-based polymer prepared using same.

The present invention relates to the use of transition metal-carbene complexes in organic light-emitting diodes (OLEDs), to a light-emitting layer, to a blocking layer for electrons or excitons, or to a blocking layer for holes, each comprising these transition metal-carbene complexes, to OLEDs comprising these transition metal-carbene complexes, to devices which comprise an inventive OLED, and to transition metal-carbene complexes.

The invention provides a bidentate cobalt complex containing an imidazo [1, 2-alpha] pyridine group as well as a preparation method and application of the bidentate cobalt complex, and belongs to the technical field of organic chemical synthesis. The structural formula of the bidentate cobalt complex is shown in the specification, and the preparation method comprises the following steps: carrying out bromination reaction and cyclization reaction on 2-methoxy-6-acetylpyridine to obtain a bidentate ligand with methoxy and imidazo [1, 2-alpha] pyridyl, and carrying out demethylation reaction on the ligand to obtain another bidentate cobalt complex with hydroxyl and imidazo [1, 2-alpha] pyridyl. The imidazo [1, 2-alpha] pyridyl-containing bidentate cobalt complexes are prepared from imidazo [1, 2-alpha] pyridyl-containing bidentate ligands, and the two ligands react with anhydrous cobalt chloride respectively to obtain various imidazo [1, 2-alpha] pyridyl-containing bidentate cobalt complexes. The electron effect of the complex is adjusted by changing substituent groups on imidazo [1, 2-a] pyridine groups, then the activity of the complex in catalytic reaction is adjusted, and the complex can be further applied to hydrosilylation reaction of styrene and has very important application prospects.

The invention discloses an energetic material, a preparation method thereof and application of the energetic material as an initiating explosive, an explosive and a pyrotechnic compound. The chemical formula of the energetic material is MC10H18B2N6; wherein M is selected from at least one of Mn, Fe, Co, Ni, Cu, Zn and Cd; the crystal structure of the energetic material belongs to a monoclinic system, and the space group is P21 / n. The obtained energetic material has excellent stability and safety, and is green and environment-friendly. Through experimental determination, the thermal stability is greater than or equal to 120 DEG C, the impact sensitivity is greater than or equal to 40J, and the friction sensitivity is greater than or equal to 240N. Compared with an existing commercial propellant (unsymmetrical dimethylhydrazine), the ignition delay time of the energetic material is equivalent, the defects that fuel and an oxidizing agent are seriously mixed and the combustion efficiency is low are overcome, and the energetic material has important commercial application value in the field of green high-performance energetic materials.

The present invention relates to air stable, binary Ni(0)-olefin complexes and their use in organic synthesis.

The invention relates to a method for preparing a hydroxyl naphthaldehyde derivative by using a cobalt complex, which comprises the following step: by taking naphthol and paraformaldehyde as raw materials and the cobalt complex containing an ortho-carborane benzothiazole structure as a catalyst, reacting at room temperature to synthesize the hydroxyl naphthaldehyde derivative. Compared with the prior art, the cobalt complex containing the ortho-carborane benzothiazole structure is applied to the reaction for catalytically synthesizing the hydroxyl naphthaldehyde derivative through the one-pot method, the use equivalent of the catalyst is low, the reaction condition is mild, the substrate universality is high, and the yield is high.

The application provides a flexible ortho-aryloxy cycloalkyl substituted pyridine diimine iron and cobalt complex catalyst and a preparation method and application thereof, and belongs to the technical field of olefin polymerization catalysis; a series of 2,4,6-tricycloalkyl arylamine compounds are introduced into 2,6-diacetyl pyridine, and with the change of the space volume of the cycloalkyl, the molecular weight and distribution of polyethylene can be controlled; the substituents in the complex are selected from cycloalkyl, and under the protection of a gas atmosphere, the ligand is reacted with FeCl2.4H2O and CoCl2.6H2O respectively to obtain the complex catalyst of the present application; the complex exhibits extremely high polymerization activity, up to 1.76*10 7 g / mol.h, and generates high linear polyethylene with different molecular weight ranges; and has good industrial potential.

The present invention provides a starting material coordination compound for forming a metal thin film, the starting material coordination compound having a central metal and a ligand coordinated to the central metal, (i) the atomic polarizability of the central metal being 45-51, and the starting material coordination compound for forming a metal thin film satisfying the following conditions: a polarization volume < = 200 and a relative dielectric constant < = 2.20; or (ii) the atomic polarizability of the central metal is 52-90, and the raw material coordination compound for forming a metal thin film satisfies the following conditions: polarization volume < = 240 and relative permittivity < = 2.50.

A method for manufacturing a thin film, comprising: a deposition process for depositing a raw material compound on a substrate material by atomic layer deposition using the raw material compound; and a film forming process for forming a thin film by reducing a deposited product with a reducing gas at a pressure of 4.5 Torr or more after the deposition process.

The invention provides a newly developed, inexpensive, and bench-stable Cobalt (II)-complexes encompassing phosphine-free N,N-bidentate ligand system. Particularly, the present invention utilizes Co(II)-complexes as catalyzing system for the sole purpose of studying the C-alkylation reaction through borrowing hydrogen strategy. The present invention also provides a catalytic methodology for selective alkylation, alkenylation of fluorene, and inactivated bulky indene utilizing alcohol under mild and benign conditions. In the present invention, fluorene and indene are alkylated using a range of substrates as an alkylating agent, such as primary and secondary aromatic, heteroaromatic, and aliphatic alcohols. The present invention indicates a sophisticated catalytic process with yields that range from high to exceptional yields and excellent regioselectivity of the C3-alkylated indenes.

The invention discloses a method for synthesizing alpha-alkenyl boron ester by Markov hydroboration of terminal alkyne, which comprises the following steps of: under the protection of inert gas, carrying out hydroboration reaction on a terminal alkyne compound shown as a formula I and pinacolborane which are used as raw materials and an amide oxazoline cobalt complex which is used as a catalyst in an organic solvent under the action of alkali; the alpha-alkenyl boron ester compound as shown in the formula II is prepared. The invention provides the cobalt complex catalyst with high efficiency, high selectivity and high substrate compatibility and the method, the reaction condition is mild, the operation is simple and convenient, the atom economy is high, and the product yield and the selectivity of the product are improved. When the catalyst is used for a gram-level amplification reaction, a crude product can be purified in a recrystallization or distillation manner, so that the purification step is greatly simplified, and the technical problems of difficulty in separation and low yield in a reaction amplification process of synthesizing alpha-alkenyl boron ester by Markov hydroboration of terminal alkyne in the prior art are solved; and the method has a relatively high industrial application value.

The present specification relates to a compound represented by Chemical Formula 1, a composition for forming an optical film and an optical film including the same, and a display device including the optical film.

The invention provides a binuclear cobalt carbonyl complex coordinated with 4, 5-bis (diphenylphosphine-9, 9-dimethyl xanthene (xantphos), a preparation method of the binuclear cobalt carbonyl complex and application of the binuclear cobalt carbonyl complex in an alkyne hydrogen silicification reaction. Specifically, the invention provides a 4, 5-bis (diphenylphosphine-9, 9-dimethyl xanthene coordinated binuclear cobalt carbonyl complex with a structure as shown in a formula I which is described in the specification. The complex can efficiently and highly selectively catalyze the anti-Markov hydrosilicification reaction of alkyne under certain conditions, and alkenyl silicon compounds with various purposes are obtained.

A method for producing a two-dimensional coordination polymer, a two-dimensional coordination polymer, and a solution for forming the two-dimensional coordination polymer. This method for producing a two-dimensional coordination polymer comprises: a preparation step for preparing a solution of a Ni compound, a Pd compound, or a Pt compound, or a solution of a Ni compound, a Pd compound, or a Pt compound, and preparing a solution of at least one of benzenehexanethiol, a derivative of benzenehexanethiol, or benzenehexanethiol and a derivative of benzenehexanethiol; and a polymer formation step in which a single-phase solution containing the Ni compound, the Pd compound or the Pt compound, and the benzene hexaphosphol is prepared, and a two-dimensional coordination polymer is prepared in the single-phase solution. The two-dimensional coordination polymer has a structural unit represented by formula (2) and a structural unit represented by formula (3). M1 is Ni or Pt, and M2 is Mn, Fe, Co, Ni, Cu, Zn, Pd or Ag.

The invention relates to an ionic carbonyl cobalt-phosphine complex. The complex has a structure as shown in a formula I, wherein R1 to R8 are respectively any one of independently aryl, benzyl or cycloalkylene formed in pairs; x is an integer of 1-3; y is a counter anion; the xanthene ligand is any one of phenyl, diphenyl ether group, xanthene group, biphenyl group, dinaphthyl group, silyl group and cyclosiloxy / nitrogen alkyl ligand skeleton; and the dotted line part only represents a complex structure composed of tridentate or more phosphine compounds and cobalt. Meanwhile, the invention also discloses a synthesis method and application of the complex. The synthesis method is simple and high in yield, and the obtained ionic carbonyl cobalt-phosphine complex has more excellent stability and oxidation resistance, is more convenient to store, transport and use in long-period hydroformylation reaction, has the advantages of being capable of being separated, recycled and reused and the like, and is more suitable for industrial amplification application.

The present invention relates to a zeolite mimic metal-organic framework and a manufacturing method therefor. The zeolite mimic metal-organic framework according to one embodiment of the present invention comprises a compound of chemical formula 1: [Chemical formula 1] M is a central metal, and R includes an imidazole group-containing R1 and / or R2.

The invention provides a complex, a catalyst composition, a preparation method and application and an ethylene oligomerization reaction method, and relates to the technical field of ethylene oligomerization. The structural formula of the complex is shown as a formula (I), in the formula (I), R1-R13 are the same or different and are independently selected from any one of hydrogen, C1-C6 alkyl, halogen, C1-C6 alkoxy, nitryl and C6-C10 aryl; and R14-R16 are the same or different and are respectively and independently hydrogen or C1-C20 alkyl groups. The complex can be completely dissolved in an organic solvent, the concentration of the complex can be accurately metered in industrial operation, and stable operation of the reaction is ensured. The catalyst composition comprises the complex, so that under the action of the catalyst composition, the ethylene oligomerization reaction is rapid in initiation, stable in operation and good in repeatability.

The present disclosure generally relates to the synthesis of an alkoxylated cannabinoid using a double metal cyanide (DMC) catalyst. This procedure affords a novel process for preparing water-dispersible and water-soluble versions of cannabidiol (CBD) and other cannabinoids in high yields through mild reaction conditions.

The invention discloses a cobalt complex pre-catalyst for electrocatalytic oxygen evolution and a preparation method thereof, and relates to the technical field of functional complexes. The structure of the cobalt complex pre-catalyst (CotPBA-anion) is formed by coordination of a cobalt coordination cation unit chelated by tPBA and an anion; the structure of the catalyst is CoOOH / tPBA, and the catalyst is characterized in that the catalyst is cobalt oxyhydroxide loaded by an organic ligand. Wherein the CoOOH / tPBA reconstructed by using the CotPBA-Cl shows the optimal electrochemical activity and stability. The pre-catalyst is simple in preparation process and mild in reaction condition, and shows good electro-catalytic oxygen evolution reaction activity and electrochemical stability after simple reconstruction.

This invention discloses a chiral oxazoline-pyridine-imine cobalt compound, its synthesis method, and its applications. The synthesis method involves the condensation reaction of 2-cyano-6-acetylpyridine and an aniline derivative with p-toluenesulfonic acid to generate a pyridine-imine compound. This compound is then cyclized with different chiral amino alcohols in the presence of zinc trifluoromethanesulfonate to generate chiral oxazoline-pyridine-imine ligands. The reaction of these ligands with anhydrous cobalt chloride successfully prepared four chiral oxazoline-pyridine-imine cobalt compounds. The cobalt catalyst synthesized in this invention possesses different chiral groups, electronic effects, and steric hindrance, and can catalyze the polymerization of isoprene.

Disclosed is a method for preparing a metal-carbon composite. The method includes synthesizing a planarized ligand compound via planarization-modification of a polyphenol-based ligand compound; synthesizing a metal-organic composite via hydrothermal synthesis of a mixed solution of the planarized ligand compound and metal ions; drying the metal-organic composite to prepare precursor powders; and carbonizing the precursor powders.

The object of the present invention is to provide a storage material for gases other than nitrogen that contains an MOF with a hydroxamic acid group as the binding site. [Solution] A gas storage material containing a metal-organic structure formed by bonding at least one polyvalent metal ion selected from Zn, Co, Ni, Cu, Zr, and Mg with at least one compound selected from those represented by the following formulas (1) to (2), wherein the gas is hydrogen or carbon dioxide. [Formula 1] JPEG2026074203000028.jpg34149

The invention belongs to the field of ethylene carbonate synthesis, and discloses a catalyst for synthesizing ethylene carbonate and a preparation method and application thereof.The catalyst is prepared through simple condensation and coordination reaction with ethylene carbonate as a green solvent and has a definite Schiff base metal complex structure and thioether modification characteristics; the catalyst shows high activity and selectivity close to 100% under mild conditions, meanwhile, the yield of ethylene carbonate is excellent, meanwhile, the catalyst is simple and green in preparation process, low in cost and good in stability, has remarkable industrialization prospects and popularization value, and is suitable for industrial production. The method can be widely applied to resource utilization of carbon dioxide and large-scale production of high-added-value cyclic carbonate.

A simpler method for producing high quality Metal-Organic Frameworks is provided. Particularly, the method for producing a Metal-Organic Framework according to the present invention includes: preparing an agitator equipped with a turbine and a stator surrounding the turbine, preparing a formulation comprising a metal ion donor, a multidentate ligand, and a solvent, and applying shear forces generated between the turbine and the stator to the formulation by rotating the turbine relative to the stator in the agitator.