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WO/2000/043400A1 |
Synthetic routes for forming alkali metal substituted borohydride compounds include the step of reacting an alkali metal reagent, a hydrogen donor, and a substituted borane. The reactions proceed without the requirement of specialised ha...
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WO/2000/037475A1 |
A process and apparatus for the continuous production of organometallic compounds from a metal precursor and an alkylating agent. The reactants are delivered separately to a reaction centre (26) in a distillation column (2) wherein the r...
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WO/2000/037478A1 |
The invention relates to novel ligands and complexes for the homogeneous catalytic enantioselective hydrogenation. The invention specifically concerns the ligands of general formula (I). Another aspect of the invention relates to the com...
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WO/2000/027781A1 |
The present invention relates to a process for the manufacture of alkanes comprising a cross-metathesis reaction between at least one starting alkane (A) and one organometallic compound (B) fixed to an inorganic support and comprising a ...
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WO/2000/024734A1 |
This invention relates to the identification of a novel class of therapeutic agents which selectively target and kill tumor cells and certain other types of diseased cells, and to compositions comprising lipoic acid derivatives which poi...
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WO/2000/015339A1 |
Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbene ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation....
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WO/2000/011008A1 |
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/2000/009524A1 |
Ansa bis($g(m)-substituted) Group 4 metal and aluminum compounds comprising a single Group 4 metal atom and two aluminum metal atoms corresponding to formula (I) wherein: L' is a $g(p)-bonded group; M is a Group 4 metal; Z is a divalent ...
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WO/2000/009523A1 |
Ansa bis($g(m)-substituted) Group 4 metal and aluminum compounds comprising a single Group 4 metal atom and two aluminum metal atoms corresponding to formula (I) wherein: L' is a $g(p)-bonded group, M is a Group 4 metal, J is nitrogen or...
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WO/2000/008030A2 |
This invention relates to processes for making phosphorus compounds R¿2?P-X-PR¿2?, R¿2?P-M, R¿2?P-L and R¿3?P, and the novel cation R¿2?P?+¿(L)-X-P?+¿(L)R¿2?, where R represents an optionally substituted hydrocarbyl group, X rep...
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WO/2000/008028A1 |
The invention concerns a novel method for preparing tetrakis(pentafluorophenyl)borate derivatives of general formula MB(C¿6?F¿5?)¿4?, M being selected among Na?+¿, Li?+¿, or K?+¿, wherein: (a) a C¿6?F¿5?X solution, X being select...
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WO/2000/005237A1 |
Organometallic complexes having a phosphinimine ligand, a (non-phosphinimine) heteroligand and at least one activatable ligand are catalyst components for olefin polymerization. Preferred polymerization systems are prepared by combining ...
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WO/2000/005236A1 |
Organometallic complexes of titanium or zirconium having only three ligands (namely a cyclopentadienyl ligand, a phosphinimine ligand and an activatable ligand) are catalyst components for olefin polymerization. Preferred polymerization ...
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WO/2000/005238A1 |
Organometallic complexes having two phosphinimine ligands and at least one activatable ligand are catalyst components for olefin polymerization. Preferred polymerization systems are prepared by combining the organometallic complexes with...
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WO/2000/000519A1 |
Metal complex containing one or more silsesquioxane ligands, having the formula (I): Z¿y?(MA¿x?B¿q?)¿b?, wherein Z is a silsesquioxane according to the formula (II): R¿7-1?Si¿7?O¿12?YD¿1+1?, M is a metal from groups 3-6 of the Pe...
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WO/2000/000518A1 |
Metal complex containing one or more silsesquioxane ligands having the formula (I): Z¿y?(MA¿x?)¿b?, wherein Z is a silsesquioxane ligand according to the formula (II): (RsiO¿1.5?)¿m?O¿n?B¿q? which is connected within one corner to...
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WO/1999/060004A1 |
The invention concerns novel organometallic complexes comprising cationic heterocyclic carbenes. It also concerns a method for preparing said complexes from dicationic heterocyclic precursor compounds. It further concerns the use as cata...
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WO/1999/058539A1 |
A class of metallocene compounds is disclosed having the following general formula (I): R¿n?(Cp)(A)ML¿p? wherein R¿n? is a structural bridge; Cp is a heterocyclic cyclopentadienyl group of formula (II) wherein R?1¿ and R?2¿ are hydr...
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WO/1999/057319A1 |
The present invention is directed to the electronic detection of nucleic acids using self-assembled monolayers.
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WO/1999/055758A1 |
A polymer having a backbone repeat unit that includes at least two metal atoms bonded to each other and only one ethylenically unsaturated functional group wherein the backbone unit preferably has a structure of: -C(R?3¿)=C(R?3¿)-[C(R?...
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WO/1999/041290A1 |
The present invention relates to catalyst systems, processes for making such catalysts, intermediates for such catalysts, and olefin polymerization processes using such catalysts wherein such catalyst includes a component represented by ...
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WO/1999/033852A1 |
The invention relates to novel $g(p)-complex compounds of transitional metals of the formulas (Ia) and (Ib), in which $g(p) is a $g(p) system, D a donor atom and A an acceptor atom, where D and A are linked to each other by way of a reve...
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WO/1999/023865A2 |
Methods of forming metal alkoxides and methods of forming precursor solutions of metal alkoxides suitable for the coating of glass in the manufacture of electrochromic devices are disclosed. The method of forming metal alkoxides involves...
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WO/1999/020634A1 |
The object of the invention are novel halogen substituted methylenebisphosphonic acid anhydrides, ester anhydrides, amide anhydrides, and ester amide anhydrides, processes for the preparation of these novel compounds, as well as pharmace...
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WO/1999/019337A1 |
The invention relates to metallocenes of formula (I), in which M is a metal from the Ti, Zr, Hf, V, Nb, Ta group or an element from the lanthanide group, X¿1? and X¿2? stand for an alkyl-, aryl-, alkenyl-, arylalkyl-, alkylaryl-or aryl...
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WO/1999/016775A1 |
The invention relates to a crystalline multi-metal cyanide complex of general formula (I) M?1¿¿a?[M?2¿(CN)¿b?L?1¿¿c?]¿d?*e(M?1¿¿f?X¿g?)*hL?2
¿'iH¿2?O, in which M?1¿ represents at least one element from the group comprised of...
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WO/1999/007469A1 |
Process to separate a group 8-10 metal/phosphite ligand complex from an organic liquid mixture, wherein the following steps are performed: (1) contacting the organic liquid with a support having bonded thereto an organophosphine ligand a...
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WO/1999/006449A1 |
A catalyst activator particularly adapted for use in the activation of metal complexes of metals of Group 3-10 for polymerization of ethylenically unsaturated polymerizable monomers, especially olefins, comprising a zwitterionic compound...
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WO/1999/005154A1 |
Novel compositions and metal compounds having an ancillary ligand structure polymerize monomers and functionalized monomers, either alone or in the presence of an activator. The ancillary ligand structure is a chelating ligand that may o...
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WO/1999/005153A1 |
The invention relates to a method for producing rac/meso metallocenes, the rac/meso metallocenes themselves, and their use in the production of isotactic polyolefins.
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WO/1999/001461A1 |
(1) Alkali metal diarylphosphides are formed by mixing triarylphosphine with, and preferably introducing triarylphosphine into, a two-phase mixture one or more alkali metals, preferably a mixture or alloy of sodium and potassium, in an a...
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WO/1998/056796A1 |
Delivery and scavenging agents are provided for the combinatorial synthesis of organometallic compounds in a solution or suspension, where the agents are constructed from a solid support allowing for easy separation of unreacted reagents...
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WO/1998/046617A1 |
A liquid precursor is provided for the formation of metal oxide films comprising a mixture of two or more types of beta-diketonate ligands bound to one or more metals. For example, a liquid mixture was formed of the mixed aluminum beta-d...
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WO/1998/045302A1 |
The invention concerns molecular silylalkylboranes, a process for preparing them, oligo or polyborocarbosilazanes, a process for preparing them and their use, as well as silicon carbonitride ceramics and a process for preparing them.
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WO/1998/045303A1 |
The invention concerns boron-containing carbosilanes, a process for preparing them, boron-containing oligo or polycarbosilazanes, a process for preparing them and their use, as well as silicon borocarbonitride ceramics and a process for ...
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WO/1998/043983A1 |
The present invention provides compounds comprising a polyhalogenated heteroborane anion of the formula R�a?ZB�b?H�c?F�d?X�e?(OR')�f??-1�, and a method for producing the same. Specifically, the present invention provides co...
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WO/1998/041501A1 |
The 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 (I) where Y�1? and Yï¿...
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WO/1998/039098A1 |
Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands....
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WO/1998/028807A1 |
The invention relates to a method and anode for improving power density of lithium secondary batteries, specially those containing solid polymer solutions. This is done by employing boric acid esters and/or boric acid derivatives or the ...
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WO/1998/027119A1 |
This invention relates to a dispersion of supported and nonsupported catalyst components comprising: (a) an ionic compound comprising (a)(1) a cation and (a)(2) an anion having up to 100 nonhydrogen atoms and the anion containing at leas...
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WO/1998/027103A1 |
Group 4 metal constrained geometry complexes comprising a fused ring indenyl derivative ligand, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.
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WO/1998/022486A1 |
A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to the formul...
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WO/1998/017670A1 |
A pentafluorophenyl compound (1) is reacted with an alkyl lithium compound (6) in a reaction zone (5), preferably temperature controlled, under conditions such that only a small amount of a predetermined quantity of pentafluorophenyl lit...
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WO/1998/016534A1 |
Disclosed are metal complexes of the general formula (I), in which the substituents have the following notations: M is a metal of the subgroup III, IV, V or VI in the periodic table of the elements or a metal of the lanthanide series; Y ...
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WO/1998/013371A1 |
The invention concerns a method for producing aluminum phosphinates of the general formula (I), in which R?1�, R?2� are identical or different, linear or branched and represent a C�1?-C�8?-alkyl or phenyl, in which the correspond...
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WO/1998/003521A1 |
The present invention relates, $i(inter alia), to methodologies for the synthesis, screening and characterization of organometallic compounds and catalysts (e.g., homogeneous catalysts). The methods of the present invention provide for t...
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WO/1998/003520A1 |
Novel Group 4 metal complexes wherein the metal is in the +2, +3, or +4 formal oxidation state containing two ligand groups bound by $g(p)-electrons, at least one of which is a cyclic or non-cyclic, non-aromatic, anionic, dienyl ligand g...
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WO/1998/001483A1 |
Cycloolefin copolymers for use in optical data memories can be produced by (co)polymerising monomers from the group of cyclic olefins, of $g(a)-olefins with 2 or more C atoms and optionally conjugated or unconjugated diolefins, wherein m...
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WO/1998/001487A1 |
Elastomers can be produced by (co)polymerising monomers from the group of C�2?-C�8?-$g(a)-olefins, C�4?-C�15?-diolefins and other monomers in the solid phase, in solution, as a slurry or in gas phase where metallocene compounds o...
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WO/1998/001485A1 |
High melting-point polyolefins can be produced as such, in solution, suspension or gas phase, metallocene compounds of formula (I) or $g(p)-complex compounds of formulas (I) or (XIII) being used as catalysts. In said formulas: CpI and Cp...
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