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7547631 |
Organometallic compounds
Organometallic compounds containing a phosphoamidinate ligand are provided. Such compounds are particularly suitable for use as vapor deposition precursors. Also provided are methods of depositing...
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7473793 |
Transition metal complex and process for producing optically active alcohol
A novel transition metal complex, preferably a ruthenium-phosphine complex or rhodium-phosphine complex, which is effectively usable in various asymmetric syntheses and, in particular, is more...
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7465818 |
Process for the racemoselective synthesis of ansa-metallocenes
A process for the racemoselective preparation of ansa-metallocene complexes of the formula (I),
where
R 1 , R 1′ , R 2 , R 2′ are identical or different and are each hydrogen or an...
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7378560 |
Ruthenium complex and process for producing tert-alkyl alcohol therewith
A tert-alkyl ketone, pinacolone was hydrogenated under pressurized hydrogen in the presence of a ruthenium complex (S)-1 and a base, and corresponding (S)-3,3,-dimethyl-2-butanol was thereby...
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7375241 |
Ferrocenyl-1,2-diphosphines, the production thereof and their use
The invention relates to compounds of formula (I) provided in the form of racemic compounds, mixtures of diastereomers or essentially pure diastereomers, wherein R 1 represents a hydrogen atom or...
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7342122 |
Bisphosphonate complexes
Bisphosphonate compounds are disclosed, particularly bisphosonate conjugates useful in the treatment of soft tissues surrounding bone and bone-related diseases, such as bone cancer and osteoporosis.
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7306857 |
Binuclear organometallic complexes and organic electroluminescence device using the same
Provided are binuclear organometallic complexes enabling highly efficient phospholuminescence and an organic electroluminescent device using the same. The binuclear organometallic complexes, which...
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7294729 |
Bis-chelating ligand and use thereof in carbonylation processes
A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and...
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7105696 |
Method for making nitrile compounds from ethylenically unsaturated compounds
The invention concerns a method for hydrocyanation of ethylenically unsaturated organic compounds comprising at least a nitrile function. The invention provides a method for hydrocyanation of an...
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7105689 |
Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane
A compound of formula (I) suitable as a catalyst or for the preparation of a catalyst system:
L 1 -X-L 2 (I)
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7101959 |
Polymerization catalysts
A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.
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7087323 |
Photoactive lanthanide complexes with phosphine oxides, phosphine oxide-sulfides, pyridine N-oxides, and phosphine oxide-pyridine N-oxides, and devices made with such complexes
The present invention is generally directed to luminescent lanthanide compounds with phosphine oxide, phosphine oxide-sulfide, pyridine N-oxide, and phosphine oxide-pyridine N-oxide ligands. It...
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7056854 |
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst...
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7022866 |
Phosphonites
Phosphonites I of the formula 1 or 2
where
R1, R2 are each, independently of one another, hydrogen, an alkyl or alkylene group having from 1 to 8 carbon atoms or an alkoxy group having from 1...
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6956133 |
Process for hydroformylating an olefin
A process for hydroformylating olefins with a rhodium catalyst wherein the rhodium catalyst comprises rhodium and at least one diphosphine ligand of formula
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6897329 |
Process for the preparation of nickel/phosphorous ligand catalyst for olefin hydrocyanation
A process for preparing a hydrocyanation catalyst comprising contacting a bidentate phosphorous-containing ligand with nickel chloride in the presence of a nitrile solvent and a reducing metal...
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6812306 |
Metallic compounds and the use thereof in the polymerization of olefins
Metal compounds of the formula I, where M is selected from among Ni and Pd in the oxidation state +II can be used for the polymerization or copolymerization of olefins. Supported catalysts for...
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6790973 |
Ruthenium complexes and process for preparing alcoholic compounds using these
The invention provides novel ruthenium complexes having an optically active diphosphine compound, which has asymmetry on carbon and is easy to synthesize, as the ligand and a process for preparing...
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6716787 |
Polymerisation catalyst
A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.
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6683198 |
Group(III)-metal-hydrides with a guanidino-type ligand
A compound of formula (I) wherein X is aluminium, gallium or indium; each Y, which may be the same or different, is nitrogen or phosphorus; R 1 and R 2 , which may be the same or different, are...
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6639091 |
Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system
Bidentate ligand of formula II, R 1 R 2 M 1 —R—M 2 R 3 R 4 (II) wherein M 1 and M 2 are independently P, As or Sb; R 1 , R 2 , R 3 and R 4 independently represent tertiary alkyl groups,...
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6603032 |
1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process the preparation thereof, transition metal complexes containing the same as a ligand and uses thereof
The present invention provides a novel bisphosphine compound having a chiral center on the phosphorus atom, which is suitable as a ligand for an asymmetric catalyst for use in asymmetric...
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6579997 |
Metallacrown ether catalysts for hydroformylation
A metallacrown ether ligand chelates a transition metal atom to form a catalyst well suited to perform hydroformylation in the presence of carbon monoxide, hydrogen and an unsaturated substrate...
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6559326 |
Substituted phosphinophenoxide-metal complexes for the polymerization of olefins
Metal complexes obtainable from a metal precursor of a metal of the 6 th -10 th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, where the radicals are...
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6534657 |
Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
Ferrocene anchored 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...
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6518444 |
Preparation of polymerization catalysts
A method to synthesize a Group 15 containing metal polymerization catalyst is disclosed. The method includes an efficient high temperature synthesis of Group 15 containing ligands, especially...
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6508753 |
Chiral ligands for asymmetric catalysis
A novel phosphine ligand is an enantiomerically enriched compound of formula 5 or the opposite enantiomer thereof, wherein Ar 1 and Ar 2 represent the same or different aromatic groups of up...
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6486359 |
Catalyst comprising a complex of a metal of subgroup viii based on a phosphinite ligand, and a method for hydroformylation
The invention relates to a catalyst which comprises at least one complex of a metal of group VIII, which comprises at least one uni-, bi- or multidentate phosphinite ligand in which the phosphorus...
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6469114 |
Metallocene compound and polymerization catalyst comprising heterocyclic group
Disclosed are compounds of the following core structure, and their use as polymerization catalysts: wherein M 1 is a group lVb transition metal, R 5 is a substituted aryl group, and R a forms...
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6455740 |
Process to separate a group 8-10 metal/phosphite ligand complex from an organic liquid
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...
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6399834 |
Methods for producing chiral aldehydes
The present invention relates to methods for producing chiral aldehydes by the enantioselective hydroformylation of prochiral substrates with the aid of a catalyst consisting of a transition metal...
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6359165 |
Asymmetric hydrogenation of β-keto esters
Enantiomerically pure β-hydroxy esters are prepared by a process in which β-keto esters are reacted with hydrogen in the presence of catalysts of the formula LRuX 2 where X is halogen, acetate,...
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6342621 |
Ruthenium catalysts for metathesis reactions of olefins
Penta-coordinated ruthenium catalysts for the metathesis reactions of olefins, in particular ring opening metathesis polymerization (ROMP) of cyclo-olefin monomers, which are cationic complexes...
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6313331 |
Carbene transition metal catalysts
The present invention relates to novel complexes of (transition) metals containing ligands having phosphorus centers supporting a carbene structure or heteroalkane radical bonded to the...
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6303807 |
Metal complexes with a tridentate ligand as polymerization catalysts
The invention concerns novel compounds having the elements of group 11, 12 or 14; and a tridentate ligand, a method for preparing them and their use in particular as polymerisation catalyst.
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6284925 |
Use of ferrocenyl ligands for catalytic, enantioselective hydrogenation
The use of the ligands and complexes of general formula I and II for catalytic, enantioselective hydrogenation. ##STR1##
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6242623 |
Compositions and metal complexes having ancillary ligands
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...
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6225487 |
Ancillary ligands and metal complexes, catalysts and compositions using same and methods of testing
A new ligand having a backbone comprised of PCCC, where the last carbon atom is sp 3 hybridized can be combined with a metal or metal precursor compound or formed into a metal-ligand complex to...
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6169192 |
Functionalized ferrocenyldiphosphines, a process for their preparation and their use
The invention relates to 1,2-ferrocenyldiphosphines which contain a functional group in the 1' position either directly or via a bridging group, and also a process for their preparation. The...
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6136222 |
Liquid absorbent solutions for separating nitrogen from natural gas
Nitrogen-absorbing and -desorbing compositions, novel ligands and transition metal complexes, and methods of using the same, which are useful for the selective separation of nitrogen from other...
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6124476 |
Catalyst ligands, catalyst compositions, catalyst metal complexes and processes for cross-coupling aromatic boron compounds with aromatic halogens or perfluoroalkylsulfonates
The present invention discloses new organic compounds (e.g., ligands), their metal complexes and compositions using those compounds. The invention also relates to the field of catalysis. In...
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6057466 |
Palladium catalysts for polymerization
Compounds, for initiating the polymerization of ethylenically unsaturated compounds, having the formula ##STR1## where E is nitrogen, phosphorus, arsenic or antimony, X is oxygen, NR 1 or...
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6054115 |
Hydroxymethyl phosphine compounds for use as diagnostic and therapeutic pharmaceuticals and method of making same
A compound and method of making a compound for use as a diagnostic or therapeutic pharmaceutical comprises at least one functionalized hydroxyalkyl phosphine donor group and one or more sulfur or...
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6043380 |
Ruthenium-I0D0-optically active phosphine complex
This invention is concerned with a ruthenium-iodo-optically active bidentate phosphine complex of the formula (I): [Ru--(I) q --(T 1 ) n (SOL) r (L)] m (T 2 ) p (I) s ...
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6008393 |
Iridium-diphospine complexes and process for the hydrogenation of imines
Compounds of formulae I: (DIP)IrX q Y r (Z), Ia: (DIP)IrX s Y t (Z) 2 and Ib: (DIP)Ir(Z) 3 or mixtures of at least two of those compounds, wherein DIP is a ditertiary diphosphine, the two...
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5973174 |
Preparation of transition metal catalysts from phosphonium salts
A method is provided to prepare a cationic transition metal catalyst, the method including the steps of: providing a disubstituted phosphine selected from the group consisting of RPH and R 1 R 2 ...
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5958906 |
Phospholipid derivatives containing higher elements of the fifth main group
Phospholipid derivatives containing higher elements of the Vth main group (P, As, Sb, Bi), their method of preparation and antineoplastic and antimicrobially active medications that can be prepared...
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5929265 |
Binuclear iridium(I) phosphine complexes and their use as catalyst in the asymmetric hydroamination of olefins
Binuclear iridium (I) phosphine complexes of the general formula: ##STR1## in which X is fluorine, chlorine, bromine or iodine, and ##STR2## is in each case a chiral bidentate diphosphine ligand....
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5919984 |
Catalytic process for the selective oxidation of organic tertiary polyphosphines to phosphine monooxides
This invention concerns a process for the selective mono oxidation of organic tertiary polyphosphines to phosphine monooxides. These monooxides are useful as ligands for transition metals in the...
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5902825 |
Composition and method for the palliation of pain associated with diseases of the bone and bone joints
A therapeutic composition and method of using the same for the palliation or relief of pain in patients having diseases which affect the bone and bone joints including metastatic bone cancer,...
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