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Class 568/13 - Sulfur or oxygen containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain sulfur or oxygen.
No. of patents: 157
Last issue date: 07/13/2010


1        
NumberTitleIssue Date
7754924Process for the monosulfonation of aromatic phosphines, and zwitterionic product derived therefrom
A method of preparing an aromatic phosphine monosulfonate in zwitterionic form, such as dicyclohexylphenylphosphine monosulfonate zwitterion, involving contacting an aromatic phosphine with a sulfonating agent to provide a reaction mixture containing aromatic phosph...
07/13/2010
7560596Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions
One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming rea...
07/14/2009
7399879Process for preparing alkylidene-substituted-1,4-dions derivatives
A process for the preparation of a monoalkylidene substituted 1,4-dions derivatives of formula (Ia) or (Ib) or a mixture of (Ia) and (Ib): wherein: R1, R2 and R3, equal to or different from each other, are hydrogen atoms or C1
07/15/2008
7378194Materials useful as electrolytic solutes
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX
05/27/2008
7368585Synthetic techniques and intermediates for polyhydroxy dienyl lactones and mimics thereof
Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide are provided. ...
05/06/2008
7351835Organic molecular cataylst having binaphthol skeleton and processes for producing the same and application thereof
A novel organic molecular catalysts represented by the following formula (1) or (2): and a method for carrying out asymmetric reactions/asymmetric synthesis using these organic molecular catalysts. ...
04/01/2008
7338735Organic electrolytic solution and lithium-sulfur battery comprising the same
An organic electrolytic solution for a lithium-sulfur battery that can improve discharge capacity and cycle life of the battery, and a lithium-sulfur battery using the organic electrolytic solution are provided. The electrolytic solution includes a lithium salt, an ...
03/04/2008
7323601Enanitomers of unsaturated alkyllysophosphonocholines and use as anti-neoplastics
Unsaturated alkyllysophosphonocholines compounds of formula (I) or (II): or pharmaceutically-acceptable salts, prodrugs or isomers thereof. The compounds of the invention have anti-neoplastic activity, and accord...
01/29/2008
7196228Multimer forms of mono-and bis-acylphosphine oxides
The invention relates to dimer and multimer form of BAPO compounds of the formula (I) dimer and multimer forms of MAPO compounds of the formula (II) wherein R1, R2, and R3 independently of one another are unsubstituted or substituted...
03/27/2007
7160835Bisphosphine process for producing the same and use thereof
Bisphosphines represented by the general formula (I) wherein Ar1 and Ar2 each represents an arylene group which may be substituted; R1 and R2 each represents an alkyl g...
01/09/2007
7109250Multimer forms of acylphosphines and their derivatives
Compounds of the formula (I), in which E is O or S; and x is 0 or 1, A is cyclopentyl, cyclohexyl, naphthyl, biphenylyl, anthracyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring, where the mentioned radicals are unsubstituted or substituted by halog...
09/19/2006
7105689Compound 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: L1-X-L2   (I) is provided, in which X is a lower alkylene group, an arylene group or an alkarylene group; L
09/12/2006
7091292Bridged bi-aromatic catalysts, complexes, and methods of using the same
Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers...
08/15/2006
7083743Mixture of phosphanes and chromane derivatives
The invention relates to a synergistic mixture comprising a) at least one compound from the group which consists of the phosphanes of the formula (I), (di/oligo)phosphanes of the formulae (II) and (III) and cyclophosphanes of the formula (IV) ...
08/01/2006
7078568Phosphine compounds, transition metal complexes with the compounds contained as ligands therein, and asymmetric synthesis catalysts containing the complexes
Phosphine compounds represented by the following formula (1): wherein R1, R2, R3, R4, R5, R6 and R7 represent substituents, and asymmet...
07/18/2006
7067701Preparation of phosphorus-containing compounds useful in the preparation of biphosphine ligands
This invention relates to processes for making phosphorus compounds R2P—X—PR2, R2P-M, R2P-L and R3P, and the novel cation R2P+(L)-X—P+(L)R2, where R represents a...
06/27/2006
7025904Method for improving adhesion of water-based inks to halogen-containing resin articles
Flexible and semi-rigid vinyl chloride resin compositions comprising a combination of a latent mercaptan and a zinc salt of oxidized polyethylene (a zinc ionomer) as a heat stabilizer are substantially free from the offensive odor typically associated with mercaptan...
04/11/2006
7026017Organometallic monoacylalkylphosphines
Compounds of the formula I in which Ar is a group or unsubstituted or substituted cyclopentyl, cyclohexyl, naphthyl, biphenylyl or an O-, S- or N-con...
04/11/2006
6995121Stability polymeric lubricants and thin film recording media comprising same
A data/information storage and retrieval medium comprises: (a) a substrate having a layer stack thereon, the layer stack including an outer surface and comprising at least one magnetic or magneto-optical (“MO”) recording layer;...
02/07/2006
6977312Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo[2.2.n] parent substances and catalysts containing same
Novel compounds of phosphorus, of arsenic and of antimony can be used as ligands to form complexes of metals of transition group VIII which can be used in catalysts for hydroformylation, hydrocyanation, carbonylation, hydrogenations, oligomerization and polymerizati...
12/20/2005
6974885Method for isolating pharmaceutically exploitable etidronate disodium
The method of isolating an anhydrous etidronate disodium particulate includes preparing a liquid-liquid dispersion consisting of an aqueous-organic phase and an etidronate-disodium-salt-containing aqueous phase; adjusting a temperature of the liquid-liquid dispersio...
12/13/2005
6867298Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
The present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-nitrogen bond between the nitrogen atom of an amide or a...
03/15/2005
6864387Process for preparing sulfonated arylphosphines
A process for preparing solutions of sulfonated arylphosphines comprising reacting arylphosphines with oleum, diluting the sulfonation mixture with water, extracting the diluted sulfonation mixture with a solution of a water-insoluble organic solvent, reacting the o...
03/08/2005
6855849Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
Non-C2-symmetric bisphospholane ligands and methods for their preparation are described. Use of metal/non-C2-symmetric bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed comp...
02/15/2005
6841304Materials useful as electrolytic solutes
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX
01/11/2005
6841334Onium salts and positive resist materials using the same
Disclosed are novel onium salts represented by general formula (R)3S+M, wherein three R's may be the same or different, each being an aryl group, provided that at least one of R's is a t-alkoxy substituted phenyl group, and M is an anion capabl...
01/11/2005
6780397Biomolecule conjugation strategy using novel water-soluble phosphine-based chelating agents
This invention describes a novel strategy to produce phosphine-functionalized biomolecules (e.g. peptides or proteins) for potential use in the design and development of site-specific radiopharmaceuticals for diagnosis or therapy of specific cancers. Hydrophilic alk...
08/24/2004
6777559Process for preparing heterocyclic indene analogs
A process for the preparation heterocyclic indene analogs, especially with the preparation of 4-hydroxycarbazole or N-protected 4-hydroxycarbazole, involves cyclocarbonylation followed by saponification. This process avoids high temperatures and high catalyst loadin...
08/17/2004
6706926Diphosphines
A non-symmetrical diphosphine of the formula R1R2P—(Z)—PR3R4 wherein Z represents a chain of 2 to 4 carbon atoms which may be substituted, which chain may be saturated or unsaturated, and R1, R2, ...
03/16/2004
6693187Phosphinoamidite carboxlates and analogs thereof in the synthesis of oligonucleotides having reduced internucleotide charge
Phosphinoamidite carboxylates and analogs are provided that have the structure of formula (I) ##STR1## wherein R1, R2, R3, R4, X, Y, Z and n are as defined herein. The compounds are useful as phosphitylating age...
02/17/2004
6693210Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative
Provided are a novel triphenyl phosphine derivative synthesized from a triphenylphosphine and a hydroxy-containing lactone; a palladium and a nickel complexes comprising the derivative as a ligand; and a process for preparing a biaryl derivative using the...
02/17/2004
6653485Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catalytic reactions
3,3'-Substituted chiral biaryl phosphine and phosphinite ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes are useful as catalysts in asymmetric reactions, such as, hydrogenation, hy...
11/25/2003
6613945Resolution method for a racemic mixture of aldehydes
The invention concerns a resolution method for a racemic mixture of aldehyde of formula (I). ##STR1## The aldehydes of formula I are useful in their enantiomeric form or their racemic form for preparing transition metal complexes useful as catalysts ...
09/02/2003
6610881Method for producing sulfonated aryl phosphines
The invention relates to a method for producing sulfonated aryl phosphines by reacting aryl phosphines with oleum. After reacting the aryl phosphines with oleum, the sulfonation mixture is firstly diluted with water and an inert gas stream is then fed thr...
08/26/2003
6579997Metallacrown 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 compound....
06/17/2003
6576684Thermal- and photoinitiated radical polymerization in the presence of an addition fragmentation agent
Disclosed are compositions from which radically initiated oligomers/polymers having a controlled molecular weight, low polydispersity and a vinyl or dienyl end group are prepared. Further subjects of the invention are a process for controlled radical ...
06/10/2003
6573318Latent mercaptans as multi-functional additives for halogen-containing polymer compositions
Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the...
06/03/2003
6548707Latent mercaptans as multi-functional additives for halogen-containing polymer compositions
Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the...
04/15/2003
6548708Preparation of biphosphine ligands for incorporation into catalytic complexes
This invention relates to processes for making phosphorus compounds R2 P--X--PR2, R2 P--M, R2 P--L and R3 P, and the novel cation R2 P+ (L)--X--P+ (L)R2, where R...
04/15/2003
6462200Diphosphines
The invention relates to the preparation and use as catalysts of diphosphines of the formula (I) ##STR1## in which R is C6-C.sub.14 -aryl or C4-C.sub.13 -heteroaryl containing 1 to 3 heteroatoms selected from the group consisting of ...
10/08/2002
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