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WO/1998/027101A1 |
The present invention relates to the production of novel catalysts made from transition metal compounds and 'three-toothed' 4,5-diphosphinoacridine-ligands ('Acriphos'). The ligands used to this effect are diphosphine compounds of 4,5-di...
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WO/1998/026029A1 |
The invention relates to lubricating oil compositions comprising a major amount of an oil of lubricating viscosity and a minor amount of at least one compound containing a heterometallic tetranuclear core, preferably cubane, more prefera...
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WO/1998/026030A1 |
A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of, as an additive, at least one compound comprising a trinuclear molybdenum core and bonded thereto ligands capabl...
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WO/1998/004570A1 |
When mixed with Lewis acids, new donor ligand-substituted $g(h)?5�-organyl-chromium complexes form highly active polymerisation catalysts for $g(a)-alkenes, their mixtures and mixtures of $g(a)-alkenes and unsaturated alkenes with a st...
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WO/1997/032867A1 |
The production of epoxides from olefines with bis(triorganosilyl) peroxides in the presence of activators based on metal acid derivatives of general formula (1); where M is a metal from the 4th to 7th sub-group, especially molybdenum, tu...
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WO/1997/032933A1 |
Compounds of formula (I) wherein R1 is H or SO3M, R2 is (i), (ii), (iii), (iv), M is hydrogen or a non-chromophoric cation and X+ is hydrogen or a non-chromophoric cation, are useful as dyes for oxidized aluminium substrates.
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WO/1997/023489A1 |
The present invention provides a new tetradentate bis-amido bis-alkoxo, 1,2-(bis-2,20diphenyl-2-hydroxyethanamido)benzene (H4PHAB) and various derivatives thereof. This ligand is able to stabilize high valent metal oxo complexes by provi...
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WO/1997/019081A1 |
Metalated bacteriochlorophylls of the formula [M]-BChl, wherein M is a metal atom selected from divalent Pd, Co, Ni, Cu, Zn and Mn, trivalent Fe, Mn and Cr, and tetravalent Sn and Pt, and Bchl represents the residue of a demetalated natu...
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WO/1997/003994A1 |
The present invention provides new tri-tungsten compounds of general structure (I) wherein R1 is -CkH1Zm or -(CkH1Zn) (C6H(5-q) Zq)p; R2 is -CkH1Zm or -(CkH1Zn) (C6H(5-q) Zq)p; R3 is -CkH1Zm or -(CkH1Zn) (C6H(5-q) Zq)p; R4 is -CkH1Zm or ...
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WO/1997/003993A1 |
The present invention provides a process for producing compounds of general formula (I) where R1 is -CkHlZm or -(CkHlZn) (C6H(5-q) Zq)p; R2 is -CkHlZm or -(CkHlZn) (C6H(5-q) Zq)p; R3 is -CkHlZm or -(CkHlZn) (C6H(5-q) Zq)p; R4 is -(CkHlZm...
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WO/1996/040690A1 |
A metalorganic complex of the formula MAYX, wherein M is a y-valent metal; A is a monodentate or multidentate organic ligand coordinated to M which allows complexing of MAy with X; y is an integer having a value of 2, 3 or 4; each of the...
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WO/1996/040287A2 |
A process for the preparation of multinuclear cluster compounds by reacting a metal carbonyl with iodine, and use of these clusters and clusters derived from them, in diagnostic imaging. Novel multinuclear cluster compounds are also disc...
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WO/1996/024601A1 |
The present invention relates to a transition metal cationic chiral non-racemic complex containing a substituted or unsubstituted tetradentate or quinquedentatate ligand derived from two salicylaldimine units, the cationic complex includ...
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WO/1996/023010A2 |
Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalysed by selected tra...
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WO/1996/020788A1 |
Compounds of the general formula (1): MxOy(L)z as catalysts for the selective epoxidisation of alkenes in which the indices x, y and z have the following meanings: x is a whole number from 1 to 3, y is a whole number from 1 to 2x + 1, wh...
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WO/1996/016008A1 |
The invention concerns compounds of formula (I) (A)n-B in which A is an extended cycloolefin group, B stands for a direct bond or an n-valent bridging group, and n is an integer from 2 to 8, with the exception of 1,2-bisnorbornenyl ethan...
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WO/1996/016033A1 |
The invention relates to amphiphilic compounds of the general formula (I) with at least two hydrophilic and at least two hydrophobic groups based on di, oligo or polyolethers. The amphiphilic compounds of this invention are highly surfac...
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WO/1996/011223A1 |
A process is disclosed for extracting heteropolycompounds from polymers contaminated with heteropolycompounds, namely polyethers, polyesters or polyether esters. The process is characterised in that the polymers or a solution of polymers...
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WO/1996/006101A1 |
A palatable metal amino acid chelate for administration to humans and other warm-blooded animals is disclosed wherein there are sufficient ligands to provide ionic and coordinate covalent bonds equal to the coordination number of the cen...
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WO/1996/003410A1 |
The present invention concerns novel hydrophilic metal complexes and the use thereof as luminescent marker groups in immunoassays.
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WO/1996/003409A1 |
The present invention concerns novel metal complexes with charged linker and the use of such complexes as luminescent marker groups in immunoassays.
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WO/1995/029126A1 |
A method for preparing molybdenum and sulfur containing compounds of the general formula X2Mo2S12.yH2O, where X is a cation selected from the group consisting of Na+, K+, R4N+, R3NH+, R2NH2+, RNH3+, NH4+, R4P+, R4As+, (R3P)2N+, R is a C1...
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WO/1995/028968A1 |
The present invention is directed to complexes represented by formula (I) wherein R, R', R1, R'1, R2, R'2, R3, R'3, R4, R'4, R5, R'5, R6, R'6, R7, R'7, R8, R'8, R9, R'9, R10, R11, R12, R13, R14, M, X, Y, Z and N are defined herein for us...
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WO/1995/028179A1 |
Paramagnetic metal complexes of 1-(p-n-butylbenzyl)diethylenetriamine pentaacetic acid and pharmaceutically acceptable salts thereof are effective as tissue-specific MRI contrast agents, and in particular as hepatobiliary MRI contrast ag...
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WO/1995/028380A1 |
The present invention provides compounds of formula (I) wherein Z1 and Z2 each represent the atoms necessary to complete a monocyclic or polycyclic carbocyclic or heterocyclic ring system, said Z1 and Z2 independently optionally substitu...
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WO/1995/022518A1 |
A compound having a lamellar structure and comprising units of the general formula (III): MwAx(M'L3)yBz.nH2O, wherein: M is a charged metal ion; when w is other than 1, M is independently selected; A is a single positively charged quater...
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WO/1995/020390A1 |
A method of inhibiting the proliferation of B cells by using inhibitors of phosphotyrosine phosphatase can be used to regulate the immune response and to treat diseases such as leukemias or lymphomas marked by malignant proliferation of ...
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WO/1995/004114A1 |
Tris(isonitrile)copper(I) sulfate complexes and their use in synthetic methods for making radionuclide isonitrile coordination complexes such as [99mTc(1-isocyano-2-methoxy-2-methylpropane)6]+. The coordination complexes are useful as ra...
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WO/1994/027977A1 |
The invention concerns the use, as temperature probes, of macrocyclic metal complexes consisting of a complexing agent of the formula I, in which n, R1, R2, R3 and A are defined differently, plus at least one metal ion with an atomic num...
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WO/1994/027978A1 |
The invention concerns fluorine-containing macrocyclic metal complexes consisting of a complexing agent of formula (I), in which n, m, R1, R2, R3 and A are defined differently, plus at least one metal ion with an atomic number of 21 to 2...
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WO/1994/015940A1 |
A process for producing a reduced chromium complex by reducing at least one compound selected from among chromium (III) and chromium (IV) compounds each having an oxygen anion as the ligand with a reducing agent in the presence of an ele...
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WO/1994/013300A1 |
The invention provides antioxidant salen-metal complexes in a form suitable for pharmaceutical administration to treat or prevent a disease associated with cell or tissue damage produced by free radicals such as superoxide.
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WO/1994/011406A1 |
The invention relates to an indenyl compound of the general formula: R'Ind-M-(Cp)Qk in which the symbols have the following meanings: Ind: an indenyl group, R': a substituent, other than hydrogen, to the Ind group, Cp: a cyclopendadienyl...
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WO/1994/003271A1 |
A compound of formula (I), in which M is a transition metal ion; A is a counter-ion if required; r, s and t are independently 0 to 3 such that r+s+t is in the range of 1 to 3; Ra, Rb, Rc are each independently hydrogen or CH2OR\' where R...
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WO/1994/001471A1 |
This invention relates to non-Group 4 transition metal compositions useful as olefin polymerization catalysts, wherein the transition metal is in a high oxidation state. The invention further relates to design of new ligand systems and m...
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WO/1993/022472A1 |
The use of organo-metallic compounds that contain as metallic component an element of the 2nd or 4th main group, of the 1st-8th sub-group, of the rare earths or bismuth, is disclosed for precipitating the metal on substrates, as well as ...
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WO/1993/019076A1 |
The present invention is directed to eta6 metal complexes of the arene group of 4-aryl-1,4-dihydropyridines. The 4-aryl-1,4-dihydropyridines are made according to the Hantzsch pyridine synthesis, and are then reacted with a pi acid ligan...
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WO/1993/016375A1 |
Hybrid agents for enhancing in vivo diagnostic imaging of body organs and tissues, and methods of preparing and using the same.
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WO/1993/014772A1 |
The invention relates to a new utilization of niobium derivatives in the 4 or 5 oxidation status as active principle for the production of medicaments useful in the treatment and/or prevention of glucid and/or lipid metabolism troubles. ...
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WO/1993/005092A1 |
An improved olefin metathesis catalyst system comprises a tungsten halide having an average of no more than about one halide substituent and no more than one oxygen substituent per tungsten with the remaining tungsten valences satisfied ...
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WO/1993/003838A1 |
Chiral catalysts for enantioselectively epoxidizing a prochiral olefin and for enantioselectively oxidizing a prochiral sulfide are disclosed, together with methods of using such catalysts. In accordance with one aspect of the invention,...
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WO/1993/003351A1 |
The present invention relates to the preparation of amino acid containing compounds which also have multiple carboxylic acid functional groups. Paramagnetic metal (II) or (III) ion chelate complexes are formed using these compounds for u...
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WO/1992/021614A1 |
The present invention provides an improved method for preparing compounds of the formula Mo4S4L6 comprising: contacting a compound having the formula Mo2S4L2, wherein L is a 1,1-dithioacid ligand, with a reducing agent having a reduction...
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WO/1992/020693A1 |
The present invention is predicated on the discovery that Mo(III) containing compounds will react with salts of a 1,1-dithioacid to form Mo4S4L6. Accordingly, there is provided a method for preparing compounds of the formula Mo4S4L6 wher...
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WO/1992/019631A1 |
Molybdenum and tungsten complexes useful as precursors for catalysts useful in the metathesis of olefins are disclosed. New compounds have the formula M(R1)2(NR2)2(R3)x.
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WO/1992/017483A1 |
A tungsten carboxylate precursor compound useful for coating interdigitated electrodes used in hydrogen sulfide gas sensors is disclosed. A method of coating electrodes with the precursor compound using a precise solution casting techniq...
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WO/1992/017215A1 |
An imaging contrast medium comprising a physiologically tolerable multinuclear complex (as defined in claim 1) is disclosed. The multinuclear complex contains at least two, but preferably three or more contrast enhancing atoms. For X-ray...
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WO/1992/016538A1 |
A novel compound exhibiting stable photochromism, i.e., a transition metal-spirobenzothiopyran complex represented by general formula (I) and a process for producing the same, wherein R1 represents C1 to C20 alkyl; R2, R3, R4, R5, R6, R7...
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WO/1992/000982A1 |
Process for the preparation of transition metal nitrido complexes for use as radiopharmaceutical products or for the synthesis of novel pharmaceutical products. The process consists in reacting an oxygenic transition metal compound such ...
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WO/1992/000078A1 |
Heteropolytungstate compounds of general formulae (I), wherein M is Co, Fe, Zn, FeOA, FeO¿1/2?; Cp represents an optionally substituted cyclopentadienyl residue; A is a monovalent or divalent cation or mixture of such cations; m is the ...
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