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| Number | Title | Issue Date |
| 7422908 | Chemiluminescent 1,2-dioxetanes A method of generating light through chemiluminescence involves providing a stable 1,2-dioxetane of the formula: Wherein (a) R1 and R2 are each, individually, a chemical reactive site or when fused tog... | 09/09/2008 |
| 7300766 | Polymeric ammonium and or phosphonium salts having added π-electrons and higher molecular weight as enhancers for chemiluminescent systems A compound for enhancing the light output of a chemiluminescent system and, in particular, a stabilized, triggerable 1,2-dioxetane, is obtained by reacting a polyvinylbenzyl halide and a bilinker with either a trisubstituted amine or trisubstituted phosphine. A fluo... | 11/27/2007 |
| 7294619 | Lipid analogs for inhibiting the activity of hepatitis B antigen The invention relates to methods of treating viral infections, and in particular hepatitis B virus. The method comprises administering to a subject in need of such treatment an infection-controlling amount of a phospholipid or phospholipid derivative to inhibit the ... | 11/13/2007 |
| 7294620 | Lipid analogs for inhibiting HIV-1 activity The invention relates to methods of treating viral infections, and in particular hepatitis B virus. The method comprises administering to a subject in need of such treatment an infection-controlling amount of a phospholipid or phospholipid derivative to inhibit the ... | 11/13/2007 |
| 7294621 | Lipid analogs for combating tumors The invention relates to methods of treating viral infections, and in particular hepatitis B virus. The method comprises administering to a subject in need of such treatment an infection-controlling amount of a phospholipid or phospholipid derivative to inhibit the ... | 11/13/2007 |
| 7262315 | Transition metal oxo, sulfido and amido complexes as catalysts of nucleophilic addition reactions Methods are provided for carrying out nucleophilic addition reactions using oxo, sulfido or amido complexes of transition metals as reaction catalysts. Exemplary catalysts are oxo complexes of Group 7 transition metals, with rhenium (V) oxo complexes, including diox... | 08/28/2007 |
| 7253298 | Process for preparing nitrile compounds from ethylenically unsaturated compounds The present invention concerns a process for hydrocyanating ethylenically unsaturated organic compounds to compounds containing at least one nitrile function. It relates more particularly to the hydrocyanation of diolefins such as butadiene or of substituted olefins... | 08/07/2007 |
| 7019024 | Pharmaceutical for treatment of neurological and neuropsychiatric disorders The invention provides a pharmaceutical for treatment of neurological and neuropsychiatric disorders comprising a compound of the formula: or a pharmaceutically acceptable salt thereof. ... | 03/28/2006 |
| 6969694 | Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions Chiral ligands and transition metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The chiral ligands include (R,S,S,R)-DIOP*. The ruthenium complex reduces enamide to the corresponding amine with up to 99% enantioselectivity. T... | 11/29/2005 |
| 6878665 | Diphosphines, their complexes with transisition metals and their use in asymmetric synthesis The invention relates to novel diphosphines, in optically pure or racemic form, of formula (I): in which: R1 and R2 are a (C5-C7)cycloalkyl... | 04/12/2005 |
| 6806375 | Process for the production of purine derivatives and intermediates therefor Intermediates such as methyl 2,2-dimethyl-5-ethenyl-1,3-dioxane-5-carbonate useful to prepare antiviral compounds such as penciclovir and famciclovir are disclosed. ... | 10/19/2004 |
| 6767716 | Chemluminescent systems containing unsaturated 1,2-dioxetanes A chemiluminescent 1,2-dioxetane includes an alkaline phosphatase triggerable stable 1,2-dioxetane; a polymeric enhancer which is either an ammonium or phosphonium salt of a polyvinylbenzyl chloride and an aqueous enzyme diluent or stabilizer which corresponds to bl... | 07/27/2004 |
| 6706740 | Fungicidal heterocyclic aromatic amides and their compositions, methods of use and preparation Heterocyclic aromatic amides (HAA) according to Formula I: wherein X1-X4, M, Z, and A are herein defined. The invention also encompasses hydrates, salts and complexes thereof. These compounds are us... | 03/16/2004 |
| 6653485 | Ortho 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 |
| 6630114 | Calixarene derivatives, preparation method and use of said derivatives to extract antinides and lathanides The invention relates to new calixarenes according to the formula: ##STR1## wherein R1 and R2, which may be identical or different, are alkyl, alkoxy or aryl groups, and n is an integer equal to 2, 3 or 4. Said calixarenes may be used to ... | 10/07/2003 |
| 6576772 | Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions Chiral ligands and transition metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The chiral ligands include (R,S,S,R)-DIOP*. The ruthenium complex reduces enamide to the corresponding amine with up to 99% enantiosel... | 06/10/2003 |
| 6528627 | Bridged aromatic substituted amine ligands with donor atoms The present invention provides for substituted metal chelating compounds in which at least two of the chelating atoms are nitrogen which are directly attached to aromatic rings and one or more of those nitrogen atoms has attached thereto a substituent oth... | 03/04/2003 |
| 6461876 | Chemiluminescent 1,2-dioxetanes The present invention provides novel 1,2-dioxetanes derived from spiro-fused ketones with or without π-electrons in the ring or with carbon-carbon double bond(s) in the spiro-fused ring. Additionally, these new dioxetanes have electron donating or withdr... | 10/08/2002 |
| 6337406 | Asymmetric catalysis based on chiral phospholanes and hydroxyl phospholanes 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 asymmetric reactions.... | 01/08/2002 |
| 6313317 | Ruthenium-phosphine complex and method for producing the same Disclosed is a ruthenium-phosphine complex usable as the catalyst giving a high enantiomer excess in an asymmetric reaction and a method for producing the complex. The ruthenium-phosphine complex is represented by formula (1): [{(RuX(L)}2 (μ-X... | 11/06/2001 |
| 6287767 | Chemiluminescent energy transfer assays A chemiluminescent assays for the determination of the presence or amount of a biopolymer in bound assays using 1,2-dioxetanes in connection with AttoPhos™ as chemiluminescent substrates for enzyme-labeled targets or probes is provided. Further disclose... | 09/11/2001 |
| 6184390 | Catalyst for bisalkoxycarbonylation of olefins, and method for production of succinate derivatives A catalyst for the bisalkoxycarbonylation of olefins comprising a noble metal compound and a phosphine chalcogenide of the following formula (1): ##STR1## wherein each of R1, R2 and R3 is, independently, an alkyl group or ... | 02/06/2001 |
| 6162929 | Process for the manufacture of bisphosphine oxide and bisphosphonate compounds A process for the manufacture of bisphosphine oxide compounds and bisphosphonates as intermediates for the production of bisphosphine ligands, in which in a single step process a) a phosphine oxide compound is reacted in an organic solvent at -70° C. to ... | 12/19/2000 |
| 6153769 | Manufacture of polyene aldehydes A process for the manufacture of polyene aldehydes comprises reacting a polyene O,O-ethylene acetal with a 1-alkoxy-1,3-diene in the presence of a Lewis acid or Bronsted acid, hydrolyzing the resulting condensation product and cleaving off alcohol under b... | 11/28/2000 |
| 6132956 | Chemiluminescent 1,2-dioxetanes Dioxetanes that can be triggered by bases are provided which can be used to detect bases in organic solvents, aqueous preparations and detect gaseous bases in the atmosphere. The dioxetanes can be used to detect the release of bases from various labels, a... | 10/17/2000 |
| 6107036 | Heterocyclic dioxethane substrates, process for their preparation and their use Compounds of the general formula Ia and Ib are described ##STR1## in which R1 and R2 are the same or different and represent hydrogen, straight-chain or branched C1 to C6 lower alkyl or an aryl group option... | 08/22/2000 |
| 6001561 | Indicator reagents for assays using chemiluminescent electron-rich aryl substituted 1,2-dioxetanes Chemiluminescent electron-rich aryl-substituted 1,2-dioxetane compounds are disclosed in which the aryl group is poly-substituted with suitable electron-donating groups such that the light-emitting pattern of the molecule results in a very high luminescen... | 12/14/1999 |
| 6001659 | Assays using chemiluminescent electron-rich aryl-substituted 1,2-dioxetanes Chemiluminescent electron-rich aryl-substituted 1,2-dioxetane compounds are disclosed in which the aryl group is poly-substituted with suitable electron-donating groups such that the light-emitting pattern of the molecule results in a very high luminescen... | 12/14/1999 |
| 5981768 | 1,2 chemiluminescent dioxetanes of improved performance A new class of stable dioxetanes bears a polycyclic stabilizing group and aryloxy moiety, the oxygen atom of which is provided with a protective group which can be removed by an enzymatic or chemical trigger admixed with the dioxetane. The polycyclic stab... | 11/09/1999 |
| 5872273 | Chiral diphosphine compound intermediate for preparing the same transition metal complex having the same diphosphine compound as ligand and asymmetric hydrogenation catalyst A novel diphosphine compound of the formula (I): ##STR1## where R1 and R2 represent independently cycloalkyl, unsubstituted or substituted phenyl, or a five-membered heteroaromatic ring. The compound is useful as a ligand for an... | 02/16/1999 |
| 5773628 | 1,2-dioxetane compounds with haloalkoxy groups, methods preparation and use A chemiluminescent assay method and compositions are described which use a haloalkoxy group-substituted dioxetane which is deprotected by a hydrolytic enzyme to undergo a chemiluminescent reaction. Chemiluminescent 1,2-dioxetane compounds substituted on t... | 06/30/1998 |
| 5756770 | Synthesis of stable, water-soluble chemiluminescent 1,2-dioxetanes and intermediates therefor A novel synthesis of 1,2-dioxetane phosphate alkali metal salts and novel intermediates employed in this synthesis are disclosed. A hydroxyaryl enol ether alkali metal salt having the formula: ##STR1## wherein T can be an unsubstituted or substituted... | 05/26/1998 |
| 5726329 | Modified phosphorous intermediates for providing functional groups on the 5' end of oligonucleotides Phosphoramidites of the formula ##STR1## where R is a base-labile protecting group, R1 and R2 are individually alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, or aryl of 6 to 20 carbon atoms or are joined togeth... | 03/10/1998 |
| 5679804 | Preparation of phosphonic esters Phosphonic esters I ##STR1## (A is an aromatic radical or an , ଲ-olefinically unsaturated group and R1 is C1 -C4 -alkyl or phenyl) are prepared by subjecting a phosphite II ##STR2## to a rearran... | 10/21/1997 |
| 5679700 | Substituted phosphinic acid-containing peptidyl derivatives as antidegenerative agents Novel phosphinic acid-containing peptidyl compounds of formula I are found to be useful inhibitors of matrix metalloendoproteinase-mediated diseases including osteoarthritis, rheumatoid arthritis, septic arthritis, tumor invasion in certain cancers, perio... | 10/21/1997 |
| 5656660 | Compositions and methods for treating mast-cell mediated conditions The present invention describes compounds, methods and compositions effective to treat mast cell mediated inflammatory conditions, such as conjunctivitis, asthma and allergic rhinitis. The compounds of the invention comprise novel mono- and di-aminomethyl... | 08/12/1997 |
| 5635608 | -carboxy caged compounds The invention relates to caged compounds for the study of biological processes, where the caged compound has a photoremoveable -carboxy-substituted o-nitrobenzyl group. Covalent attachment of the substituted o-nitrobenzyl to a parent compound yield... | 06/03/1997 |
| 5608045 | Preparation of phosphoramidon Compound of formula (I): ##STR1## in which: R1 represents a hydroxyl, alkoxy or amino (unsubstituted or substituted) group, R2 represents an unsubstituted or substituted alkyl group, X1 represents --NH--, X2 rep... | 03/04/1997 |
| 5605795 | Assays using chemiluminescent, enzymatically cleavable substituted 1,2-dioxetanes and kits therefor Dioxetane compounds reactable with an enzyme to release optically detectable eneregy are disclosed. These compounds have the formula: ##STR1## wherein T is a cycloalkyl group or a fused polycyclo-alkylidene group bonded to the dioxetane ring through ... | 02/25/1997 |
| 5603868 | Chemiluminescent electron-rich aryl-substituted 1,2-dioxetanes Chemiluminescent electron-rich aryl-substituted 1,2-dioxetane compounds are disclosed in which the aryl group is poly-substituted with suitable electron-donating groups such that the light-emitting pattern of the molecule results in a very high luminescen... | 02/18/1997 |
