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WO/2003/106470A1 |
The present invention relates to a process for preparing transition metal compounds of the formula (I) having a specific substitution pattern, the corresponding transition metal compounds themselves and their use in the preparation of ca...
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WO/2003/106011A2 |
This invention relates to liquid cyclopentadienyltrimethylplatinum compounds selected from (isopropylcyclopentadienyl) trimethylplatinum and (tert-butylcyclopentadienyl) trimethylplatinum. This invention also relates to a process for pro...
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WO/2003/102037A1 |
A solid, particulated, heterogeneous, spray-dried, catalyst composition for the polymerization of addition polymerizable monomers comprising: a) a Group 4 metallocene compound; b) a solid Group 4 metal-magnesium halide complex comprising...
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WO/2003/095465A1 |
The inventive method for producing metallocene halogenides having a general formula Cp2MX2 (1), wherein Cp is a cyclopentadien composition, M is a metal of a IV B group (Zr, Hf, Ti), X is a halogen, involves the synthesis carried out by ...
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WO/2003/093285A1 |
The invention relates to ferrocenyl ligands of general formula (II), the Sfc,S-enantiomer or the Rfc,R-enantiomer of the ferrocenyl ligands of formula (II) being enriched, and a method for producing such ligands.
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WO/2003/091265A1 |
Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom, and polymerization processes using the same, characterized by an alkaryl-substituted silane bridging group are disclosed.
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WO/2003/089444A1 |
Metal complexes comprising a polycyclic, fused ring ligand comprising at least: (1) a cyclopentadienyl ring, (2) a =J* substituted 7 membered polyatomic ring, where =J* is =(C)c=CR*2, =NR*, or =0, where R* is hydrogen, C1-10 hydrocarbyl,...
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WO/2003/087114A1 |
Metal complexes, catalysts derived therefrom, and polymerization processes using the same, charaterized by the presence of one or more nitrogen and boron containing, anionic, 5-membered cyclic ligand groups, especially 1,2-azaborolyl gro...
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WO/2003/085017A1 |
A method for the production of polyoxymethylene is disclosed by the bringing in contact of a formaldehyde source with a catalyst of formula (I), where M = Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Os, Co, Rh or Ir, Cp = cyclopent...
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WO/2003/084904A1 |
The present invention relates to a simple process for preparing aklyl-substituted indenes of the formula (II) in improved yields form indenes of the formula (I) by reaction with compounds of the formula (III), to the alkyl-substituted in...
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WO/2003/082885A1 |
Disclosed are novel phosphinometallocenylamides that are useful as ligands for asymmetric catalysis. The novel ligands, which are readily modifiable, contain both a phosphine and an amide functionality linked by a metallocene backbone. I...
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WO/2003/080684A1 |
The invention relates to a method for producing special transition metal compounds. The invention also relates to novel transition metal compounds and catalyst systems, and to the use of the same for the homopolymerisation or copolymeris...
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WO/2003/078480A2 |
Metal complexes comprising a polycyclic, heteroatom containing fused ring compound comprising at least a cyclopentadienyl ring having fused thereto a 5-membered polyatomic ring containing one or more ring atoms selected from groups 15 or...
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WO/2003/078483A1 |
Metal complexes comprising a substituted inden-1-y1 group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or t...
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WO/2003/076449A1 |
Novel aminocyclopentadienyl ruthenium complex is useful as a catalyst in the racemization of a chiral compound.
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WO/2003/076451A1 |
The invention relates to bidentate organophosphorous ferrocenyl ligands containing ligands of formula (I), to their complex compounds and to their utilization in catalytic processes.
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WO/2003/074540A1 |
Gelling organic compounds having ferrocene groups as represented by the general formula (I); and gels and cast films made by using the same: (I) wherein R1 and R2 are each independently alkyl having two or more carbon atoms or alkyl cont...
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WO/2003/072583A1 |
The present invention provides an improved acyclic anionic six-electron-donor ancillary ligand suitable for being bonded in a transition metal complex. The present invention also provides a transition metal complex that includes at least...
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WO/2003/069411A1 |
A visible radiation sensitive composition is disclosed. The composition comprises at least one ethylenically unsaturated monomer capable of free radical initiated addition polymerization&semi optionally, at least one binder&semi and a ph...
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WO/2003/068787A1 |
The invention relates to bi-functionalised metallocenes of general formula (I) where Me = a transition metal, preferably chosen from Fe, Ru and Os, Y and Z, when identical are selected from -(CH2)n-O-, (CH2)-O-[(CH2)2-O]p- and -(CH2)q-CO...
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WO/2003/066067A2 |
Several classes of in vivo carbon monoxide-releasing compounds are useful for the treatment and/or prevention of diseases, such as chronic inflammatory, e.g. rheumatoid arthritis, and of diseases with a strong inflammatory component, suc...
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WO/2003/066641A1 |
Transition metal complexes represented by the general formula (1); and a polymerization catalyst for olefins, consisting of a complex of the general formula (1), an organoaluminum compound, and a boron compound: (1) wherein M is a Group ...
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WO/2003/066642A1 |
The invention relates to new phosphorus chelate compounds, catalysts containing at least one complex of a metal belonging to subgroup VIII and at least one such phosphorus chelate compound as a ligand, and a hydroformylation method using...
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WO/2003/064434A1 |
The invention provides compounds 1/4/6 for detecting sacchharides by electrochemistry. The compounds have a structure that includes a first boronic acid group attached by a first linker group (B) to a first tertiary amine. The first tert...
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WO/2003/057706A1 |
Bis(cyclopentadienyl)ruthenium complex having a content of at least one member selected from among sodium, potassium, calcium, iron, nickel and zinc of 5ppm or below; and bis(cyclopentadienyl)ruthenium complex incorporated with 10 to 100...
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WO/2003/057704A1 |
In a process for the racemoselective preparation of silicon-bridged dialkyl-ansa-metallocenes of the formula (I) comprises reaching a ligand starting compound of the formula (II) with a transition metal dialkyl compound of the formula (I...
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WO/2003/057705A1 |
A process for obtaining silicon-bridged metallocene compounds comprising the following steps: a) reacting, at a temperature of between 10° C and 70° C, the starting ligand with about 2 molar equivalents of an alkylating agent; b) after...
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WO/2003/055898A1 |
A modified nucleoside analogue having the formula (I): P - S - B - L - R where: P is a 5' triphosphate or analogue or derivative thereof; S is a substituted or unsubstituted five- or six-membered sugar, sugar analogue or acyclo sugar ana...
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WO/2003/050131A1 |
Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: (I), wherein M?1¿ preferably is zirconium or hafnium; and R?5¿ is different from hydrogen.
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WO/2003/048176A1 |
The invention relates to a catalyst complex and a method for producing polymers and/or copolymers of acrylic or methacrylic compounds using said catalyst complex. The inventive method comprises the following steps: polymerizing one or mo...
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WO/2003/046015A2 |
Conversion of a ligand of titanium organometallic complex to a titanium bisalkoxy or a titanium dichloride is described.
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WO/2003/045964A1 |
A metallocene compound of formula (I) wherein M is zirconium, hafnium or titanium; X is hydrogen, halogen, or a hydrocarbyl radical optionally containing heteroatoms; R?2¿, R?3¿, R?4¿ and R?5¿, are hydrogen or hydrocarbyl radicals; R...
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WO/2003/045551A1 |
Organometallic transition metal compounds of the formula (I) where M?1¿ is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides; X are identical or different and are each halogen, hydrogen,C¿1?-C¿2...
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WO/2003/045963A1 |
A process is described for the preparation of ethylene copolymers having a wide molecular weight distribution, characterized in that it is carried out in the presence of meso− and rac− stereoisomeric mixtures of metallocene compounds...
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WO/2003/042135A2 |
Chiral ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes according to the present invention are useful as catalysts in asymmetric reactions, such as, hydrigenation,...
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WO/2003/042220A2 |
Conversion of cyclopentadienyl or indenyl compounds to titanium organometallic complexes by treatment with titanium tetraalkoxides is described.
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WO/2003/039882A1 |
Photorecording media having two or more recording layers, wherein the first recording layer, among the two or more recording layers, located closest to a light−permeable substrate provided in the side through which laser beams from an ...
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WO/2003/040149A2 |
Chiral phosphine ligands derived from chiral natural products including D-mannitol and tartaric acid. The ligands contain one or more 5-membered phospholane rings with multiple chiral centers, and provide high stereoselectivity in asymme...
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WO/2003/035407A1 |
An optical recording medium containing in its recording layer at least one imide compound having a metallocene residue&semi and imide compounds represented by the general formula (1): (1) wherein AR is a substituted or unsubstituted arom...
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WO/2003/029256A1 |
A metal compound corresponding to the formula: MX¿x? L¿t? (I), wherein X is hydride or a monovalent anionic ligand group having up to 60 atoms not counting hydrogen, or optionally, two X groups are joined together to form a divalent li...
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WO/2003/027131A1 |
Disclosed are metallocene complexes containing two or more metallocene components where the components may be independently bridged or unbridged. In particular, the invention provides metallocene complexes including a bridged metallocene...
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WO/2003/024982A1 |
The invention relates to monocyclopentadienyl complexes comprising a cyclopentadienyl system, which contains at least one condensed heterocycle and at least one neutral donor and to a catalyst system containing at least one of said monoc...
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WO/2003/024983A1 |
A transition metal complex represented by the formula (I): (I) [wherein M represents a Group 4 transition metal&semi −Y− represents (a): −C(R1)(R20)−A− (b): −C(R1)(R20)−A1(R30)−, (c): −C(R1)=A1−, or (d): −C(R1)=A1âˆ...
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WO/2003/020733A1 |
The present invention provides a composition comprising: i) at least one compound of formula (I), wherein R¿1? and R¿2? are independently selected from a group consisting of hydrogen, unsubstituted or substituted C¿1-19?hydrocarbyl or...
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WO/2003/018548A2 |
The present invention provides halogenated calixpyrrole, calixpyridinopyrrole, and calixpyridine macrocycles having 4-12 pyrrolic rings with greater stability, enhanced anion and neutral molecule binding affinity, and different binding s...
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WO/2003/015917A1 |
An amine-elimination process for making single-site catalysts is disclosed. First, an indenoindole or its synthetic equivalent reacts with a tetrakis(dialkylamino) Group 4 metal compound to give a tris(dialkylamino) compound. This versat...
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WO/2003/013724A1 |
Chiral organometallic compounds are provided which comprise certain non-symmetrically substituted cyclopentadiene complexed to a transition metal. The cyclopentadiene has a second coordinating group which also complexes the transition me...
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WO/2003/011876A1 |
Mixed bis-imine pyridine ligands of formula (I), wherein Z¿1?, which is different from Z¿2?, is an optionally substituted aryl group; and Z¿2? comprises an optionally substituted heterohydrocarbyl moiety, or an optionally substituted ...
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WO/2003/010208A1 |
The invention relates to a metallocene catalyst in which the metal is coordinated by a $g(h)?5¿ cyclopentadienyl ligand characterised in that said ligand is directly or indirectly substituted by a pendant siloxy or germyloxy group which...
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WO/2003/010174A1 |
A diazaphosphacycle may be synthesized by reacting a phosphine with a diimine and optionally one or more equivalents of an acid halide, a sulfonyl halide, a phosphoryl halide, or an acid anhydride in the substantial absence of O¿2? to f...
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