834 results about "Platinum complex" patented technology

Provision of a novel platinum complex which is useful as a material for a light-emitting device of good light emission characteristic and light emission efficiency, and a novel light-emitting material that may be utilized in various fields.

A platinum complex represented by the following general formula (1):

(in which two rings of ring A, ring B, ring C, and ring D represent nitrogen-containing heterocyclic rings which may have a substituent and the remaining two rings of them represent aryl rings or hetero aryl rings which may have a substituent, the ring A and the ring B, the ring A and the ring C or/and the ring B and the rind D may form condensed rings. Two of X¹, X², X³, and X⁴ represent nitrogen atoms coordination bonded to a platinum atom and the remaining two of them represent carbon atoms or nitrogen atoms. Q¹, Q², and Q³ each represents a bond, oxygen atom, sulfur atom or bivalent group, two of Z¹, Z², Z³, and Z⁴ represent coordination bonds, and the remaining two of them represent covalent bonds, oxygen atoms or sulfur atoms), and a light-emitting device containing the platinum complex.

A device for producing electroluminescence comprising an organic light emitting device including an emissive layer comprising an organometallic compound comprised of a metal bound to a single carbon-coordination ligand, with the single carbon-coordination ligand being a mono-anionic carbon-coordination ligand.

A platinum complex represented by the general formula (1) below, useful as a phosphorescence emission material, a tetradentate ligand useful for synthesizing the platinum complex, and a light-emitting device containing at least one of the platinum complex.

wherein ring B represents a nitrogen-containing aromatic heterocyclic ring; rings A, C and D each independently represent an aromatic or aromatic heterocyclic ring, while either of the rings C and D represents five-membered ring, the other represents a five- or six-membered ring; R^A, R^B, R^C, and R^D respectively represent substituents on the rings A, B, C, and D; two of X^A, X^B, X^C, and X^D represent a nitrogen atom that may be bound with the platinum atom by a coordinate bond, the others each independently represent a carbon atom or nitrogen atom that may be bound with the platinum atom by a covalent bond; Q represents a bivalent atom or atomic group bridging the rings B and C; and Y^C and Y^D each independently represent a carbon atom or nitrogen atom.

A platinum complex represented by the general formula 1, useful as a phosphorescence emission material, a tetradentate ligand useful for synthesizing the platinum complex, and a light-emitting device containing at least one of the platinum complex.

In the general formula 1, two of the rings A, B, C, and D each independently represent an aromatic ring or an aromatic heterocyclic ring, while the other two rings each represent a nitrogen-containing heterocyclic ring; R^A-D represent the substituents; each the rings A and B, the rings B and C, and the rings C and D may be bound to each other to form a fused ring independently via the substituent R^A-D; X^A-D each represent a carbon atom or nitrogen atom; Q represents a bivalent atom or atomic group; Y represents a carbon or nitrogen atom; and n is an integer of 0 to 3.

An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I):

• • wherein Z¹ represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L¹ represents a single bond or a linking group; R¹, R³ and R⁴ each independently represent a hydrogen atom or a substituent; and R² represents a substituent.

A high efficient white emission light emitting element having peak intensity in each wavelength region of red, green, and blue is provided. Specifically, a white emission light emitting element having an emission spectrum that is independent of current density is provided. A first light emitting layer 312 exhibiting blue emission and a second light emitting layer 313 containing a phosphorescent material that generates simultaneously phosphorescent emission and excimer emission are combined. In order to derive excimer emission from the phosphorescent material, it is effective to disperse a phosphorescent material 323 having a high planarity structure such as platinum complex at a high concentration of at least 10 wt % to a host material 322. Further, the first light emitting layer 312 is provided to be in contact with the second light emitting layer 313 at the side of an anode. Ionization potential of the second light emitting layer 313 is preferably larger by 0.4 eV than that of the first light emitting layer 312.

An organic electroluminescent device is provided and has at least one organic layer between a pair of electrodes. The organic compound contains a compound represented by the following formula (I):

Z¹ and Z² each represents a nitrogen-containing aromatic 6-membered ring coordinating to platinum atom at the nitrogen atom, Q represents a nitrogen-containing aromatic 5-membered ring having one or two nitrogen atoms, L¹ and L² each represents a single bond or a divalent group, and n represents 0 or 1.

The invention aims at providing platinum complexes useful as materials for light emitting devices and extremely excellent in heat stability, luminous characteristics, and luminous efficiency, and a process for effective preparation thereof. The invention relates to platinum complexes represented by the general formula [1]:

wherein any two of A, B and C are each independently an optionally substituted nitrogenous aromatic heterocyclic group and the other is optionally substituted aryl or optionally substituted heteroaryl; and Y is halogeno or an optionally substituted aryl or heteroaryl group which is bonded either directly or through oxygen (—O—) or sulfur (—S—) (with the proviso that when the adjacent two rings are nitrogenous aromatic heterocyclic groups, the cases wherein Y is chloro are excepted, while when the nonadjacent two rings are nitrogenous aromatic heterocyclic groups, the cases wherein Y is not halogeno are excepted).

An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (1) as defined in the specification.

An organic electroluminescence device having at least one organic layer between a pair of electrodes is provided. The organic layer contains a compound represented by formula (I), Z1 and Z2 each represent a nitrogen-containing aromatic 6-membered ring coordinated to a platinum atom at a nitrogen atom, and Q represents a nitrogen-containing aromatic ring with one or two nitrogen atoms. In a 5-membered ring, L1 and L2 each represent a single bond or a divalent group, and n represents 0 or 1.

A composition which is useful for producing profiles and cable insulation which retain their function in the event of fire, comprise peroxidically crosslinking or condensation-crosslinking silicone rubber, metal oxides selected from magnesium oxide, aluminum oxide, tin oxide, calcium oxide and barium oxide and metal compounds of this class which produce oxides on heating, boric acid, zinc borate, and a platinum complex having at least one unsaturated group.

The present invention relates to a pharmaceutical composition, a kit, a method of treating cancer and/or a method of inhibiting angiogenesis comprising a sulfonamide compound in combination with a platinum complex, a DNA-topoisomerase I inhibitor, an antimetabolite, a microtubule inhibitor or an antibiotic.

A material for an organic electroluminescence element, characterized in that it comprises a platinum complex formed from a platinum ion and a ligand having at least one aryl group being not capable of free rotation or at least one aromatic heterocyclic group being not capable of free rotation; a display device, characterized in that it comprises said material for an organic electroluminescence element and exhibits high luminous efficiency and long luminous life; and an illumination device, characterized in that it comprises said material for an organic electroluminescence element and exhibits high luminous efficiency and long luminous life.

A compound is represented by the following formula (I):

wherein each of Ar₁ and Ar₂ independently represents an aromatic ring or an aromatic heterocyclic ring; each of R₁, R₂, R₃ and R₄ independently represents a hydrogen atom or a substituent; each of Z₁ and Z₂ independently represents a carbon atom or a nitrogen atom; each of ring Q₁ containing a carbon atom and Z₁, and ring Q₂ containing a carbon atom and Z₂ independently represents an aromatic ring or an aromatic heterocyclic ring; and A₁ represents a single bond or a divalent linking group.

The invention discloses a flame-retardant ceramic composite material which comprises the following components in parts by weight: 100 parts of polyolefin, 0-100 parts of silicone rubber, 1-100 parts of silica, 0-30 parts of silicone oil, 0.00001-10 parts of platinum complex or platinum compound calculated based on platinum, 0-10 parts of coupling agent, 0-100 parts of flame retardant, 1-250 parts of porcelain powder, 0-10 parts of antioxidant, and 0.01-10 parts of vulcanizing agent. The materials are mixed in a kneading machine, the materials are added into the kneading machine through vacuumizing and then uniformly mixed so as to obtain bulk ceramic rubber, and after being cooled, the cooled rubber is subjected to open milling by adding the vulcanizing agent so as to obtain the flame-retardant ceramic composite material. The flame-retardant ceramic composite material disclosed by the invention is easy to process and low in production cost, and can be ablated into a ceramic shell so as to protect a burnt object from being damaged. Because a platinum complex or a platinum compound is added in the flame-retardant ceramic composite material disclosed by the invention, the sintering temperature of the flame-retardant ceramic composite material can be reduced, the reaction speed of preparation can be increased, the production efficiency is improved, and the production cost is lowered.

The invention discloses a tetravalent platinum complex with a bioactive group and a preparation method of the tetravalent platinum complex. The tetravalent platinum complex is a platinum (IV) complex and has the structure shown in the formula II (please see the formula in the description), wherein in the formula II, Y is OH or Cl, and Bio represents the bioactive group. The platinum (IV) complex is prepared according to the equation in the formula III (please see the formula in the description), wherein in the formula III, Y is OH or Cl, Bio-OH represents a compound with bioactivity, TBTU represents a coupling agent O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate, TEA represents a catalyst triethylamine, DMF represents solvent N,N-dimethyl formamide, and DMSO represents solvent dimethylsulfoxide. Cis-platinum is adopted for the bottom face of an octahedron, a small-molecular targeted or medicine active group is introduced to one axial position, a hydroxyl group or helium atom is introduced into another axial position, and the anti-tumor tetravalent platinum complex overcoming cisplatin resistance is provided, so the high-efficiency and low-toxin platinum (IV) complex is obtained.

The invention which belongs to the field of organosilicon room temperature vulcanizing silicone sealants especially relates to a one-component alcohol sealant for a photovoltaic assembly, and a preparation technology thereof. The sealant is suitable for sealing the aluminum frame of the photovoltaic assembly, fill-sealing a backboard and the frame, and bonding a conjunction box. The one-component alcohol sealant for the photovoltaic assembly is prepared from 10-100 parts of a polysiloxane-based polymer, 0.1-50 parts of alpha, omega-alkyloxypolydimethylsiloxane plasticizer, 0-500 parts of a heat conduction filler, 0-300 parts of a flame retardant filler, 0.1-500 parts of a reinforcement filler, 0.5-10 parts of a silane crosslinking agent, 0.5-10 parts of a silane tackifier, 0-10 parts of platinum or a platinum complex, and 0.001-15 parts of a catalyst. The sealant of the invention has the advantages of excellent bonding property, rapid curing speed, low water absorption rate, superior performances and the like.

The invention discloses flame-retardant ceramic silicone rubber. The flame-retardant ceramic silicone rubber contains the following materials in parts by weight: 100 parts of silicon rubber, 1-100 parts of silica, 0-30 parts of silicone oil, 0.00001-10 parts of platinum in platinum complex or platinum compound, 0-10 parts of coupling agent, 1-100 parts of flame retardant, 1-150 parts of ceramic powder and 0.01-10 parts of vulcanizing agent. A preparation method of the flame-retardant ceramic silicone rubber comprises the steps of milling the materials in a kneader, vacuumizing, adding into the kneader, milling uniformly to form lumpish ceramic rubber, cooling, adding the vulcanizing agent, and carrying out open milling, thereby obtaining the flame-retardant ceramic silicone rubber. The flame-retardant ceramic silicone rubber is easy to process and low in production cost and can be ablated into a ceramic-like shell, so as to protect an ablated object from being damaged. According to the flame-retardant ceramic silicone rubber disclosed by the invention, due to the addition of the platinum complex or platinum compound, the sintering temperature for the flame-retardant ceramic silicone rubber can be lowered, and the reaction rate of preparation can be increased, so that the production efficiency is increased, and the production cost is reduced.

A platinum complex represented by the following formula (1) or (2):

wherein, ring A, ring B, ring C, ring D and ring G each independently represent an aromatic ring optionally having substituent(s) or an aromatic heterocyclic ring optionally having substituent (s); X represents an oxygen atom or a sulfur atom; R¹ and R² each independently represent a hydrogen atom or a substituent; the ring E and the ring F each independently represent a nitrogen-containing aromatic heterocyclic ring, and more R¹ and the ring B, and also R² and the ring B each may combine together to form a fused ring and that the ring E and the ring F may combine together to form a fused ring. The platinum complex is useful for a luminescent device of an organic EL device or the like, and can provide a device being extremely good in thermal stability, emission characteristics and power efficiency.

A pharmaceutical composition comprising a platinum (II) complex compound in n aqueous solvent. The pharmaceutical composition is prepared by the essential steps of: (i) adding a platinum (II) complex compound to an oxygen enriched aqueous solvent to obtain a solution; (ii) Sterilizing the solution (iii) Filling the sterilizedsolution of step (ii) into suitable containers; and (iv) Sealing the containers. The oxygen enriched aqueous solvent is obtained by purging or bubbling of a gas into an aqueous solvent for 30 to 150 minutes. A device for preparing the pharmaceutical composition is illustrated in FIG. 1. The composition is used for treatment of a human or an animal cancerous disease by the administration of pharmaceutical compositions of platinum (II) complex compounds as per the claim 1, to the human or animal in need of said treatment.

The problems of the present invention are to find a pharmaceutical composition and a method for treating cancer that exhibit excellent anti-tumor effect. Excellent anti-tumor effect is achieved when 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide or an analogous compound thereof, a pharmacologically acceptable salt thereof or a solvate thereof is used in combination with an anti-tumor platinum complex.