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JP2008543744A |
The invention relates to chemical genera of organometal benzenephosphonates useful in cross-coupling organic synthesis, having general formula: where R is selected from boron, zinc, tin and silicon residues.
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JP2008540080A |
Process for preparing double metal cyanide catalysts of the general formula (I) M2a[M1(CN)rXt]b (I) where M2 is preferably Co(III) or Fe(III), and M1 is preferably Zn(II), X is a group other than cyanide which forms a coordinate bond to ...
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JP2008540377A |
The invention relates to the compounds of formula (I) in the form of enantiomer-pure diastereomers or a mixture of diastereomers, wherein R'1 represents C1-C4 alkyl, C6-C10 aryl, C7-C10 alkyl or C7-C12 alkaralkyl and n is 0 or an integer...
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JP2008280313A |
To provide a metal-silicon compound alkoxide suppressing the formation of aggregate and controlling the number of ligands based on the metal atom.The metal-silicon compound alkoxide is expressed by general formula (1) (in the formula, M ...
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JP4182242B2 |
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JP2008539202A |
Disclosed are compounds of formulas (I) and (II) in the form of enantiomer-pure diastereomers or diastereomer mixtures. In said formulas (I) and (II), R'1, represents C1-C4 alkyl while n represents 0 or an integer from 1 to 5; R1 represe...
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JP4176459B2 |
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JP4166086B2 |
The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use of the same for the polymerisation of olefins.
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JP4162268B2 |
PCT No. PCT/EP98/01669 Sec. 371 Date Sep. 27, 1999 Sec. 102(e) Date Sep. 27, 1999 PCT Filed Mar. 23, 1996 PCT Pub. No. WO98/45302 PCT Pub. Date Oct. 15, 1998Molecular silylalkylboranes, a process for their preparation, oligo- or polyboro...
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JP4162441B2 |
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JP2008231017A |
To provide a transition metal complex.The transition metal complex is represented by formula (1) wherein A represents a group 16 atom in the periodic table of elements; B1 represents a group 14 atom in the periodic table of elements; M1 ...
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JP4159015B2 |
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JP2008222780A |
To provide a novel metallocene complex and to provide a polymerization catalyst composition containing the same.The polymerization catalyst composition comprises a complex represented by formula (A) and an ionic compound comprising a non...
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JP4154138B2 |
A luminescence device is principally constituted by a pair of electrodes and an organic compound layer disposed therebetween. The layer contains a metal coordination compound represented by the following formula (1): wherein M denotes Ir...
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JP2008201709A |
To provide a new vanadium complex usable as a component of an olefin polymerization catalyst.The invention provides a vanadium complex expressed by formula (1) (in the formula, A is a group 14 element of the periodic table of elements; C...
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JP4138417B2 |
A method for synthesizing an organometallic compound, which is usefully utilized as a catalyst for manufacturing polyolefms by ring-opening metathesis polymerization of an olefin having strain in a molecule such as dicyclopentadiene or s...
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JP4141257B2 |
A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the organofunctional silica is prepared from an alk...
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JP4131448B2 |
A new class of heterocyclic metallocenes, a catalytic systems containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to formula (...
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JP2004505019A5 |
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JP4126555B2 |
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JP4118961B2 |
A process for producing phosphinopyrrolidine compounds especially useful for preparing optically active compounds through asymmetric synthesis which is a simplified short process requiring neither a step necessitating a high-temperature ...
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JP4118507B2 |
A process for preparing rac/meso-metallocenes, the rac/meso-metallocenes themselves and the use of the rac/meso-metallocenes for preparing isotactic polyolefins are described.
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JP2008524182A |
Processes are disclosed for the preparation of a compound having the formula: (I) and intermediate compounds wherein M is a single-photon-emission tomography imageable radiometal and/or a paramagnetic metal, R is hydrogen or a halogen pr...
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JP4117028B2 |
Novel compounds having one group 13 element bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof and use thereof as a copolymerization catalyst.
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JP4116240B2 |
A process and composition for selectively adsorbing oxygen from a gaseous mixture. The chemisorption is carried out by a porous three-dimensional transition element complex comprised of intermolecularly bound TEC units, said units furthe...
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JP4110173B2 |
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 fiel...
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JP4109458B2 |
The present invention relates to a fullerene derivative having an extremely high solubility in an organic solvent and a metal complex comprising a molecule and/or anion of fullerene derivative as a ligand. The solubility of the fullerene...
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JP4102954B2 |
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JP2008120942A |
To provide a luminescent metal complex useful as an organic EL element material.Provided is an organic electroluminescent element material containing a gold complex having the structure shown in the formula. In the formula R1-R3 are each...
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JP2008115160A |
To provide an organometallic compound useful for chemical vapor phase deposition (CVD) and atomic layer deposition (ALD) of a thin film.This organometallic compound containing a phosphoamidinate ligand is provided. Such the compound is p...
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JP4086305B2 |
A phosphorylcholine group-containing chemical compound represented by the following formula (1). In this formula, m denotes 2-6 and n denotes 1-4. X 1 , X 2 , and X 3 , independent of each other, denote a methoxy group, ethoxy group, or ...
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JP2008088160A |
To provide new precursor materials having no or at least practically improved conventional defect, and for forming a tantalum nitride or niobium nitride thin film by a CVD method.A compound represented by general formula (II) is provided.
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JP2008074825A |
To provide a method for readily producing 2,2'-bipyridines in high selectivity without forming terpyridines compared to a conventional method.The method for producing the 2,2'-bipyridines represented by formula (2) (wherein, R1 is an alk...
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JP2008509956A |
A cyclopentadienyl complex of Group 6 has cyclopentadienyl system(s) that is substituted by silyl group(s) that bears halogen substituent(s). Independent claims are also included for: (A) a process for preparing the inventive cyclopentad...
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JP2008504331A |
In the present invention, the formula (I), [Chemical 1] (However, R1, R1Are the same or different, and each is an organic group containing hydrogen or 1-40 carbon atoms, R2, R2Are the same or different, and each is an organic group conta...
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JP2008031202A |
To provide a method for forming a uniform germanium-doped silicon conductive film on a substrate by a coating method under ordinary pressure, and to provide a method for producing a phosphorus atom-containing higher order silane compound...
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JP2008504260A |
Disclosed are ruthenium complexes of phosphine-aminophosphine ligands that may be used to catalyze large number of reactions of a wide variety of substrates such as asymmetric hydrogenations, asymmetric reductions, asymmetric hydroborati...
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JP4043325B2 |
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JP2008502499A |
The invention relates to novel optical recording media, which comprise particular novel metal chelates and have an excellent recording and playback quality, especially at a wavelength of from 300 to 500 nm.
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JP4037756B2 |
P-chiral bisphospholane ligands and methods for their preparation are described. Use of metal/P-chiral bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds is ...
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JP4035144B2 |
This invention provides a novel class of vitamin D related compounds, namely, the 2-alkylidene-19-nor-vitamin D derivatives, as well as a general method for their chemical synthesis. The compounds have the formula: where Y1 and Y2, which...
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JP4024712B2 |
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JP2007320935A |
To provide a metallocene-based catalyst which is used for polymerizing α-olefins and exhibits reactivity having a good balance between propylene and ethylene or an α-4 to 20C olefin. This metallocene compound is represented by dichloro...
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JP2007536316A |
Ansa-metallocene complexes are racemoselective prepared by reacting a dianionic ligand starting compound in the form of an alkali metal, alkaline earth metal or magnesium monohalide salt with a transition metal amide compound having an u...
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JP2007314487A |
To provide a low-molecular weight compound that emits blue phosphorescence and can be used as an organic EL element and its manufacturing method. The compound is represented by general formula (I) (provided that a compound represented by...
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JP4016581B2 |
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JP4015350B2 |
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JP2007532491A |
There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X−, and L2 represent various different possibilities. Methods for using such compounds are also provided.
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JP4006892B2 |
A novel compound shown by M[N(OC2H5)5(OC2H4OCH3)]2, wherein M represents Sr or Ba, N represents Nb or Ta, which is a liquid at room temperature, is hard to be thermally dissociated, and has a vapor pressure of about 0.2 Torr at 190° C. ...
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JP4008272B2 |
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