145results about "Bismuth organic compounds" patented technology

By providing a novel polycyclic aromatic compound in which a plurality of aromatic rings are linked via a boron atom, a nitrogen atom, or the like, options of a material for an organic EL element are increased. In addition, by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element, an excellent organic EL element is provided.

In a method for functionalizing a carbon nanotube surface, the nanotube surface is exposed to at least one vapor including at least one functionalization species that non-covalently bonds to the nanotube surface, providing chemically functional groups at the nanotube surface, producing a functionalized nanotube surface. A functionalized nanotube surface can be exposed to at least one vapor stabilization species that reacts with the functionalization layer to form a stabilization layer that stabilizes the functionalization layer against desorption from the nanotube surface while providing chemically functional groups at the nanotube surface, producing a stabilized nanotube surface. The stabilized nanotube surface can be exposed to at least one material layer precursor species that deposits a material layer on the stabilized nanotube surface.

The invention provides a coordination polymer material with a multistage pore passage structure and a preparation method thereof. The coordination polymer material with a multistage pore passage structure is internally provided with the multistage pore passage structure, the multistage pore passage structure is a microporous and/or mesoporous and/or macroporous multistage pore passage structure which is formed by the self assembly between the metal ion and the organic ligand, the apertures of the micropores are less than or equal to 2nm, the apertures of the mesopores are from 2nm to 50nm, and the apertures of the macropores are more than 50nm. The coordination polymer material with a multistage pore passage structure is large in specific surface, the large-size organic ligand does not need to be synthesized, and the coordination polymer material with larger porous sizes can be obtained without the template agent and the pore assisting agent, so that the invention is simple in preparation method, and low in cost.

The invention provides a two-dimensional double perovskite material. The composition formula of the two-dimensional double perovskite material is AnMIIIMIX8, wherein A is organic amine; MIII is a trivalent metal element; MI is a monovalent metal element; and X is halogen. The two-dimensional double perovskite material has certain advantages of methylamine lead-iodine perovskite and lead-free double perovskite. The material is lead-free and environmentally friendly, has very good light stability and good chemical stability, and is unlikely to deteriorate in air. The material has a suitable andadjustable light absorption band gap, and more importantly can be used for preparing a film at a low temperature by a solution method. The advantages provide basis for the application of the materialin the photovoltaic fields such as solar cells, optical detectors and light-emitting diodes.

The present invention relates to bismuth dithiocarbamate compounds of general formula I: wherein R and R1 are the same or different, and each is an alkyl, substituted alkyl, aryl or a substituted aryl; X is a halide or a pseudo-halide; and n is either 2 or 3, for use as an active pharmaceutical substance. In particular, they can be used as anti-tumour agents and for the treatment of various forms of tumours. Also provided are some novel bismuth dithiocarbamate compounds and the process for preparing these compounds.

The invention discloses a bismuth metal organic framework material, a preparation method of the bismuth metal organic framework material and an application of the bismuth metal organic framework material in lead storage battery anode additives. The bismuth metal organic framework material disclosed by the invention is a porous material, so that the material has high porosity, a large pore volume, a large superficial area and good water solubility and acid stability, and the material can be dispersed in deionized water in advance. The bismuth metal organic framework material can be used as a lead storage battery anode doping material and can improve the utilization rate of active substance and enhance the charge acceptance.

Enclosed are high refractive index and low birefringence organic/inorganic hybrid materials useful for optical applications. They are prepared from solventless metal aliphatic acryl alkoxides. The metal acryl alkoxides are synthesized from exchanging acryl alcohol with metal alkoxides, and are hydrolyzed into metal oxide nanoparticles and are well dispersed in the acrylate matrix. Then they are polymerized into organic/inorganic hybrid materials containing metal oxide in polyacrylate.

The invention discloses a novel organic bismuth ion compound containing bridged nitrogen atom ligand. The structural formula of the ligand is (R<1>)(R<2>)(R<3>)(R<4>)PhCH2N[R']CH2Ph(R<5>)(R<6>)(R<7>)(R<8>), wherein, R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, R<7> and R<8> are any same or different radicals on a benzene ring; R' is substituents on nitrogen atoms; radicals X directly connected with bismuth are anions with stronger electrolysis capacity; and in the bismuth compound, Bi<3+> forms bonds with two carbon atoms in the ligand, a coordination bond with N atoms in the ligand and an ionic bond with the corresponding anions. The invention also provides a preparation method of the organic bismuth ion compound and application thereof to organic synthesis as a catalyst.

The invention discloses a novel organic bismuth ion compound containing bridged sulfur atom ligand. The structural formula of the ligand is (R)(R)(R)(R)PhCH2SCH2Ph(R)(R)(R)(R), wherein, R, R, R, R, R, R, R and R are any same or different radicals on a benzene ring; other radicals X directly connected with bismuth are anions with stronger electrolysis capacity; and in the bismuth compound, Bi forms bonds with two carbon atoms in the ligand, a coordination bond with the sulfur atoms in the ligand and an ionic bond with the corresponding anions. The invention also provides a preparation method of the organic bismuth ion compound and application thereof to organic synthesis as a catalyst.

The invention discloses a novel metal bismuth compound, preparation method and application thereof. The novel compound has the formula as above, i.e., contains bridge type N atom bisphenolate as the ligand, and Bi<3+> and the bridge type N atom form intramolecular coordination. The preparation method includes allowing bisphenolate [(R1)(R2)(ONa)Ph(CH2)]N[R'][(R1)(R2)(ONa)Ph(CH2)] and bismuth trihalogen to directly react if X is halogen atom to obtain objective product (I); and allowing sodium alkoxide (RCH2ONa) and bismuth trihalogen to react to produce Bi(OCH2R)3, and reacting with precursor [(R1)(R2) (OH)Ph(CH2)]N[R'][(R1)(R2)(OH)Ph(CH2)] to obtain objective product (II) if X in the formula is alkoxyl; or allowing the objective product (I) and RCH2ONa to react to produce objective product (II). The metal bismuth compound has novel structure, simple process, and high catalytic activity and selectivity for cyclic carbonate made by coupling of CO2 and epoxy compound, and has wide prospect in the fields of catalysis, organic synthesis and medicine.

The invention relates to preparation of a mononuclear (polynuclear) complex of Schiff's base and bismuth. The method comprises the main steps of: adding Schiff's base, an organic solvent, a bismuth salt and a chelating agent in a suitable container; heating with stirring; and after thorough reaction, treating the products to obtain a pure product. The invention uses the rich and fine bismuth resources in Chenzhou, Hunan Province to synthesize the bismuth complex with biological activity, and plays important role in promoting the improvement on comprehensive utilization of nonferrous metals in Hunan, formation of an industrial chain, and comprehensive increase of local economic efficiency.

A method of preparing Group VA organometal compounds in high yield and high purity by the reaction of a Grignard reagent with a Group VA metal halide in certain ethereal solvents is provided. A method of preparing Group VA organometal hydrides is also provided.

The invention provides a carbon-metal composite material which has improved conductivity, specific surface area and regularity and a shape which is easily controlled, and a process of preparing the same. The carbon-metal composite material includes carbon and metal, has a sheet resistance of 8m CR/sq. or less under a pressure of 100 kg f/cm2 and a specific surface area of 30 m2/g or greater, shows an X-ray pattern having at least one peak at d-spacing of 6 nm or greater.

The invention relates to a metal-organic framework MOF material with the high methane adsorption and storage density. According to the metal-organic framework MOF material, naphthalene binary or ternary carboxylic acid organic ligands and derivatives of naphthalene binary or ternary carboxylic acid organic ligands are used in match with metal cations of ferric iron, lanthanum, bismuth, nickel, aluminum and cerium to form a three-dimensional neat network porous channel structure in the presence of coordinate bonds or ionic bonds; nitrogenous, oxygenic and sulfuric functional groups with the extremely strong polarity are introduced into the organic ligands, so that the methane adsorption and storage amount of the MOF material can be effectively increased; the metal-organic framework material has a suitable porous channel size being 1.0-2.0nm, a specific surface area being greater than 2000m<2>/g, a pore volume performance and the good heat stability, so that the material can be reused; meanwhile, the material is relatively low in synthetic cost and has the methane absorption and storage amount of 190-210V/V under 3.5MPa. By adopting the metal-organic framework MOF material with the high methane adsorption and storage density, the problems of low methane absorption capacity, high operation pressure and dissatisfactory absorption/desorption rate in the prior art are solved. The metal-organic framework material can be used as an efficient methane adsorbent and is wide in application prospects.

The present invention discloses industrial preparation process of serial triphenyl bismuth compounds. Serial benzene bromide compounds as material are made to produce Grignard reaction with metal magnesium in anhydrous solvent to produce organic magnesium compounds, which are then reacted with anhydrous bismuth trichloride at 20-120 deg.c to produce serial triphenyl bismuth compounds. The serial benzene bromide compounds include bromobenzene, parabromotoluene, m-bromotoluene, o-bromotoluene, etc; and the anhydrous solvent may be tetrahydrofuran, benzene, toluene, ethyl benzene, etc or their mixture. The reaction time is 2-24 hr. The present invention adopts organic solvent with high boiling point for high safety and easy activation of magnesium, and has mild reaction condition and yield over 90 %.

The invention discloses a bismuth compound with 2-acetyl-3-ethylpyrazine thiosemicarbazone as a ligand and a synthesis method of the bismuth compound. The method comprises the steps of dissolving 2-acetyl-3-ethylpyrazine in methyl alcohol to prepare a solution; taking thiosemicarbazone into methyl alcohol, then dropping the prepared solution into a methyl alcohol solution containing the thiosemicarbazone, conducting a backflow mixing reaction, cooling to the room temperature, afterwards, pouring the solution into a beaker for volatilization, filtering an obtained precipitate, afterwards, utilizing absolute ethyl alcohol for washing of 2-3 times, and obtaining the ligand after drying; taking BiCl3 to be dissolved into the methyl alcohol solution, then dropwise adding the methyl alcohol solution into an ethanol solution containing the ligand, conducting a backflow mixing reaction, filtering the solution after the reaction into the beaker, replenishing methyl alcohol, utilizing preservative film for sealing, utilizing a needle for punching out several holes, and conducting volatilization for several days at 4 DEG C to obtain a bismuth compound crystal. The synthesized bismuth compoundis subjected to in-vitro proliferation inhibition activity experiments, it is proved that for cancer cells, the activity of the pure 2-acetyl-3-ethylpyrazine thiosemicarbazone ligand is not high, andafter the ligand is coordinated with bismuth ions, the activity is greatly improved.

The invention provides a bismuth-based metal organic framework material and a preparation method and application thereof, and belongs to the technical field of metal organic framework material preparation and photocatalysis. The preparation method of the bismuth-based metal organic framework material (namely Bi-MBA) provided by the invention is simple, and has the advantages of mild reaction conditions, low cost, high yield and the like; meanwhile, the prepared Bi-MBA single crystal belongs to an orthogonal space group Cmcm and is structurally characterized by being a Bi2S4 long chain; the photo-induced electron-holes of the Bi-MBA can be effectively separated; the electronic structure has the characteristics that an organic ligand mainly occupies a conduction band, so that the conductionband potential reaches -1.38 eV; and thus, the Bi-MBA exhibits good photocatalytic reduction properties, including reduction of O2, Cr(VI) and CO2, and the reaction conditions are all at room temperature. Therefore, good practical application value is achieved.

The invention provides a preparation method of a metal-organic frame material Bi-BTC for adsorbing CO2. The preparation method comprises steps as follows: dissolving Bi(NO3)3*5H2O in an absolute ethyl alcohol and ethylene glycol mixed solution or an ethylene glycol and glycerin mixed solution to form a solution A; dissolving 1,3,5-benzenetricarboxylic acid in absolute ethyl alcohol or N-N-dimethylformamide to form a solution B; slowly adding the solution B into the solution A at the room temperature to obtain a first mixed solution, crystalizing the first mixed solution at the temperature of 120-130 DEG C for 2-3 days to obtain a first solid product, washing the first product with an alcoholic solution, and placing the washed first solid product in a drying oven at the temperature of 110-130 DEG C for 10-16 h to obtain the metal-organic frame material Bi-BTC. The material has the better CO2 adsorbing capacity in a lower-temperature lower-CO2-pressure environment.

Radiopaque bismuth particles and methods of making and using the radiopaque bismuth particles are disclosed. The radiopaque bismuth particles include an elemental bismuth core and an outer coating comprising one or more coating agents. Disclosed radiopaque bismuth particles are suitable for use in surgical sponges and plastic objects.

The present invention relates complexes comprising a PSMA targeting compound linked to a radionuclide, such as ²¹²Pb or ²²⁷Th. These compounds, and pharmaceutical compositions comprising them, can be used for medical applications. These applications include the treatment of prostate cancer, and the complexes allow for dual targeting of cancers.

(Pentafluorophenyl) Group 11 and 12 metal compounds and processes for preparing (pentafluorophenyl) Group 11 and 12 metal compounds are disclosed. Also, disclosed are processes for preparing (pentafluorophenyl) Group 13 or 15 metal compounds useful as Lewis acids. Compositions with low levels of base impurities and products produced by the novel processes are also disclosed.