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| Number | Title | Issue Date |
| 7973201 | Process for production of halogen-substituted benzenedimethanol A process for the production of a halogen-substituted benzenedimethanol represented by the formula (2): wherein X1, X2, X3 and X4 are the same or different and independently repre... | 07/05/2011 |
| 7678947 | Method for producing halogen-substituted benzenedimethanol A method for producing a halogen-substituted benzenedimethanol represented by the formula (2): wherein X1 to X4 are the same or different and independently represent a halogen atom or the like, provide... | 03/16/2010 |
| 7465838 | Chiral diols, their manufacture and ligands and catalysts derived therefrom The present invention relates to a method for the preparation of C2-symmetric 1,4-diols of the formula IVA or IVB, wherein ring A, R1 and R2 have the meanings given in the specification, that makes use of the metallation of pure enan... | 12/16/2008 |
| 7393985 | Supported ruthenium nanoparticle catalyst for cis -dihydroxylation and oxidative cleavage of alkenes The present invention relates to the use of nanosized metal particles (e.g., ruthenium) grafted on inert solid support for oxidation of alkenes. The supported metal catalyst can effect cis-dihydroxylation and oxidative cleavage of alkenes to give the respective cis-... | 07/01/2008 |
| 7332677 | Multiconductor cable assemblies and methods of making multiconductor cable assemblies A multiconductor cable assembly and a method of making a multiconductor cable assembly are disclosed. The multiconductor cable assembly comprises a conductor and a covering comprising a thermoplastic composition. The thermoplastic composition comprises a poly(arylen... | 02/19/2008 |
| 7312366 | Preparation of one intermediate for pyrethroids Methods for preparing 2,3,5,6-tetrafluorodimethylolbenzene, an intermediate for the preparation of pyrethroids, are disclosed. A method for preparing 2,3,5,6-tetrafluorodimethylolbenzene includes the reduction of tetrafluoroterephthalate. Various reduction processes... | 12/25/2007 |
| 7247758 | Method for producing 2,3,6,7,10,11-hexahydroxytriphenylene The present invention provides a simple and efficient method for producing high-purity 2,3,6,7,10,11-hexahydroxytriphenylene on an industrial scale. The method for producing 2,3,6,7,10,11-hexahydroxytriphenylene comprises reacting catechol with peroxide. ... | 07/24/2007 |
| 7244772 | Process for preparing polyurethane polyol and rigid foams therefrom We describe a process for the preparation of polyurethane polyol from CARDANOL 3-(8pentadecenyl)phenol, derived from cashew nut shell liquid (CNSL), a renewable resource material. The polyol is made by oxidation with peroxy acid generated in situ to give epoxidised ... | 07/17/2007 |
| 7132294 | Functionalized small molecules for use in chemical sensors The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a non-volatile, small molecule compound having at least two penda... | 11/07/2006 |
| 7119237 | Process and catalyst for preparing alcohols Alcohols prepared by reacting carboxylic acids and/or carboxylic esters with hydrogen in the presence of a special catalyst. ... | 10/10/2006 |
| 7060861 | Method for hydrating poly-or monomethylol alkanals In a process for the catalytic hydrogenation of a polymethylolalkanal or a monomethylolalkanal of the formula (I) where R may be identical or different and are each a substituted or unsubstituted aliphatic hydroc... | 06/13/2006 |
| 7002047 | Biocatalytic synthesis of quinic acid and conversion to hydroquinone A bioengineered synthesis scheme for the production of quinic acid from a carbon source is provided. Methods of producing quinic acid from a carbon source based on the synthesis scheme as well as conversion of quinic acid to hydroquinone are also provided. ... | 02/21/2006 |
| 6946566 | Process for preparation of optically active halogeno hydroxypropyl compound and glycidyl compound A process for preparing regioselectively an optically active 1-halogeno-2-hydroxypropyl compound of the following formula; wherein X is halogen atom and Nu is a heteroatom having a substituent,... | 09/20/2005 |
| 6943271 | Process for producing fluorine-containing, polymerizable styrene monomer and intermediates used in same A fluorine-containing styrene monomer of the formula (2) is produced by a first, second or third process. The first process includes (a) reacting a compound of the formula (1) with a compound of the formula (3), in the presence of a metal catalyst; (b) reacting the ... | 09/13/2005 |
| 6924400 | Triaromatic vitamin D analogues The invention relates, as novel and useful industrial products, to triaromatic compounds, which are vitamin D analogues, of general formula (I): and also to a method for preparing them and to their use in pharmaceutica... | 08/02/2005 |
| 6916963 | Process using water tolerant Lewis acids in catalytic hydration of alkylene oxides to alkylene glycols Water tolerant Lewis acids are used in a process for the preparation of alkylene glycols by catalytic hydration of the corresponding alkylene oxide. The water tolerant Lewis acids can be a metal salt of a non-coordinating or weakly coordinating anion and a Group III... | 07/12/2005 |
| 6909023 | Production method for benzenedimethanol compound To provide a novel method for producing a fluorinated benzenedimethanol compound useful as a starting material or an intermediate in the production of agricultural or medicinal chemicals in an industrially advantageous manner. A method for producing a fluorin... | 06/21/2005 |
| 6852874 | Second cycle asymmetric dihydroxylation reaction A process for catalyzing asymmetric dihydroxylations of olefins employs an Os(VI) complex as a catalytic intermediate in the formation of chiral vicinal diol products. The process requires a chiral bidentate ligand that favors diol formation in the “second cycle... | 02/08/2005 |
| 6815566 | Supported osmates, process for preparation thereof, and a process for the preparation of chiral vicinal diols using supported osmate catalyst The present invention provides a supported osmate useful as a reusable catalyst in the preparation of vicinal diols. The present invention also relates to a process for the preparation of supported osmates of the formula (S—NR3)2OsO4 | 11/09/2004 |
| 6780810 | MULTIFUNCTIONAL CATALYST USEFUL IN THE SYNTHESIS OF CHIRAL VICINAL DIOLS AND PROCESS FOR THE PREPARATION THEREOF, AND PROCESS FOR THE PREPARATION OF CHIRAL VICINAL DIOLS USING SAID MULTIFUNCTIONAL CATALYSTS The present invention relates to a multifunctional reusable catalyst and to a process for the preparation thereof on a single matrix of the support to perform multicomponent reaction in a single pot. The multifunctional catalysts of the invention are useful for the ... | 08/24/2004 |
| 6765118 | Method for the production of alcohols on rhenium-containing activated charcoal supported catalysts In a process for the preparation of alcohols by catalytic hydrogenation of carbonyl compounds, the catalyst used is 0.01 to 50% by weight of rhenium and 0 to 20% by weight, in each case based on the total weight of the catalyst, of at least one further metal chosen ... | 07/20/2004 |
| 6759558 | Process for preparing halogen-substituted dibenzyl alcohols, these halogen-substituted dibenzyl alcohols and their use A novel process allows a simple preparation of highly pure halogen-substituted dibenzyl alcohols by reduction of the corresponding halogen-substituted terephthalic acids and reaction with an alkylating agent, sulfuric acid, alkyl- or arylsulfonic acids. The highly p... | 07/06/2004 |
| 6753444 | Method for producing 2,3,5,6-tetrahalogen-xylyidene compounds The invention relates to a process for preparing 2,3,5,6-tetrahaloxylylidene compounds of formula (I) where each Hal is independently fluorine or chlorine, and X is fluorine, chlorine, bromine, —O—R, or —O—C(═O... | 06/22/2004 |
| 6703531 | Process for the preparation of supported osmates The present invention discloses a process for the preparation of a novel heterogeneous osmate catalyst of the general formula (S--NR3)2 OsO4.nH.sub.2 O wherein S is a support, R is an alkyl group, n is the number of water ... | 03/09/2004 |
| 6689922 | Vitamin D analogues The invention concerns novel bi-aromatic compounds having the formula: ##STR1## which are analogs of vitamin D, the process of preparing them, as well as their use in pharmaceutical compositions in human or veterinary medicine, particularly in dermatology... | 02/10/2004 |
| 6646168 | Supported osmates, process for preparation thereof, and a process for the preparation of chiral vicinal diols using supported osmate catalyst The present invention provides a supported osmate useful as a reusable catalyst in the preparation of vicinal diols. The present invention also relates to a process for the preparation of supported osmates of the formula (S--NR3)2 Os... | 11/11/2003 |
| 6646170 | Intermediates for the synthesis of ether compounds The present invention relates to novel ether compounds, compositions comprising ether compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders comprising administer... | 11/11/2003 |
| 6624336 | Process for producing tetrafluorobenzenemethanols The present invention relates to a process by a series of reactions using tetrafluorocyanobenzens as material for producing tetrafluorobenzenemethanols, tetrafluorobenzenecarbaldehyde dialkylacetals and tetrafluorobenzenecarbaldehydes in a high purity and... | 09/23/2003 |
| 6610889 | Catalytic compositions and methods for asymmetric aldol reactions Methods and compositions are provided for the direct catalytic asymmetric aldol reaction of aldehydes with donor molecules selected from ketones and nitroalkyl compounds. The reactions employ as catalyst a Group 2A or Group 2B metal complex of a ligand of... | 08/26/2003 |
| 6600077 | Biocatalytic synthesis of quinic acid and conversion to hydroquinone A bioengineered synthesis scheme for the production of quinic acid from a carbon source is provided. Methods of producing quinic acid from a carbon source based on the synthesis scheme as well as conversion of quinic acid to hydroquinone are also provided... | 07/29/2003 |
| 6552234 | Process for the preparation of supported osmates The present invention discloses a process for the preparation of a novel heterogeneous osmate catalyst of the general formula (S--NR3)2 OsO4.nH.sub.2 O wherein S is a support, R is an alkyl group, n is the number of water ... | 04/22/2003 |
| 6528538 | Cyclic compounds useful in the treatment of dyslipidaemia, atherosclerosis and diabetes, pharamaceutical compositions and preparation process The present invention relates to cyclic compounds which are of the class of compounds of formula I wherein X and Y represent an oxygen atom and to processes for preparing such compounds. The compounds are useful in the treatment of dyslipidemia, atheroscl... | 03/04/2003 |
| 6472570 | Method for the asymmetric dihydroxylation of olefins, using osmium catalysts This invention relates to process for asymmetric dihydroxylation of olefins using osmium catalysts to obtain monofunctional, bifunctional, and/or polyfunctional chiral 1,2-diols of the formula (I) R1 R2 C(OH)--C(OH)R3 R4 | 10/29/2002 |
| 6372921 | Process for producing isochromanones and intermediates thereof (1) Methods for producing isochromanone compounds from o-xylene compounds as starting compounds through -halogeno-o-xylene derivatives, -cyano-o-xylene derivatives, and -halogeno-'-cyano-o-xylene derivatives, and (2) methods fo... | 04/16/2002 |
| 6288242 | Processes and intermediates for preparing substituted chromanol derivatives The invention relates to processes for preparing a compound of the formula ##STR1## and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R1, R2, and R3 | 09/11/2001 |
| 6271425 | Process for producing alcohols A novel process for producing alcohols, characterized by reacting an organic halide represented by the formula R--X (wherein R means an organic residue and X means a halogen atom) with oxygen molecules in the presence of an organotin compound and a reduci... | 08/07/2001 |
| 6225500 | Method for the cyclotrimerization of alkynes in aqueous solutions This invention discloses an improved method for the [2+2+2] cyclotrimerization reaction in aqueous solutions using a water soluble transition metal catalyst.... | 05/01/2001 |
| 6211419 | Process for the preparation of alkylene glycols A method for operating an epoxide containing system which contains a catalyst is disclosed. The method comprises feeding carbon dioxide to the epoxide containing system at an amount of from 0.01 to 5.0 weight percent; and maintaining the epoxide containin... | 04/03/2001 |
| 6197994 | Silica gel supported bis-cinchona alkaloid derivatives and a preparation method and use thereof The present invention relates to silica gel supported bis-cinchona alkaloid compounds of the formula: ##STR1## wherein Q is dihydroquininyl or dihydroquinindinyl; X is a compound having 4 carbon atoms; and R is methoxy, ethoxy or methyl; and methods of ... | 03/06/2001 |
| 6090974 | Alkyl 3-oxoalkanoate and process for the preparation thereof This invention includes an alkyl 3-oxoalkanoate, and processes for its preparation and use for the synthesis of fatty hydroxylated amino acids, fatty amino alcohols and ceramides.... | 07/18/2000 |
