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| Number | Title | Issue Date |
| 8178732 | Perfuming ingredients imparting sap and/or earthy type notes The present invention relates to the field of perfumery. More particularly, it concerns specific derivatives of 1-alkenyl cyclopentanol, or 1-alkenyl cyclohexanol, wherein the alkenyle group is branched. These compounds are useful perfuming ingredients capable of im... | 05/15/2012 |
| 7777084 | Cyclopropanation process A process for the cyclopropanation of a substituted alkene, comprising the reaction of the alkene with a carbenoide, generated from dibromomethane and a tri-(C2-C8)-alkyl aluminium compound, in the presence of a catalytic amount of a metal comp... | 08/17/2010 |
| 7521582 | Percursors to fluoroalkanol-containing olefin monomers, and associated methods of synthesis and use The invention provides alkene fluoroalkanol and fluorinated polyol precursors to fluoroalkanol-substituted α,β-unsaturated esters. The fluoroalkanol-substituted α,β-unsaturated esters are olefins that can be readily polymerized to provide fluoroalkanol-substitut... | 04/21/2009 |
| 7425657 | Palladium catalyzed hydrogenation of bio-oils and organic compounds The invention provides palladium-catalyzed hydrogenations of bio-oils and certain organic compounds. Experimental results have shown unexpected and superior results for palladium-catalyzed hydrogenations of organic compounds typically found in bio-oils. ... | 09/16/2008 |
| 7321057 | Method for manufacturing prostaglandin analogue The present invention provides a new method for manufacturing a prostaglandin analogue having one or more keto groups on the 5-membered ring and/or omega chain, which comprises the step of treating a corresponding hydroxyl group containing compound with a co-oxidize... | 01/22/2008 |
| 7161042 | Protected diols for prostaglandin synthesis A process for the preparation of prostaglandin compounds having the formula (I): wherein A is selected from the group consisting of C1–C6 alkyl groups; C7–C16 aralk... | 01/09/2007 |
| 7141706 | Protected and unprotected triols for prostaglandin synthesis A process for the preparation of prostaglandin compounds having the formula (I): wherein A is selected from the group consisting of C1–C6 alkyl groups; C7–C16 aralk... | 11/28/2006 |
| 7132497 | Aromatic dihydroxy compound useful for the preparation of (CO)polycarbonates An aromatic dihydroxy compound conforming to formula 1 is disclosed. Also disclosed are (co)polycarbonates derived from the compound. The novel (co)polycarbonates are characterized by their reduced water uptake a... | 11/07/2006 |
| 7109371 | Prostaglandin synthesis A process for the preparation of prostaglandin compounds having the formula (I): wherein A is selected from the group consisting of C1–C6 alkyl groups; C7–C16 aralk... | 09/19/2006 |
| 7045643 | Method for obtaining novel lutein-based formulations The present invention describes a method of preparation of formulations of microcrystalline lutein, particularly in the form of esters, which are resistant to oxidation and are soluble in hydrophilic and/or lipophilic media. For these formulations, the esters of lut... | 05/16/2006 |
| 6894198 | Granular akali metal alkoxides and alkaline earth metal alkoxides An alkali metal alkoxide or alkaline earth metal alkoxide in granular form. ... | 05/17/2005 |
| 6720295 | Use of tertiary alcohols or esters as perfuming ingredients Compounds of the formula wherein the R groups represent, simultaneously or independently, a hydrogen atom or a methyl group, R′ represents a hydrogen atom or an acetyl group, G represents a cyclopentyl or a cyclopenten... | 04/13/2004 |
| 6667284 | Lubricant for magnetic recording medium and use thereof A magnetic recording medium and method for forming the magnetic recording medium are described. The magnetic recording medium includes a magnetic layer formed on a non-magnetic support, and a lubricant layer over the magnetic layer. The lubricant layer in... | 12/23/2003 |
| 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 |
| 6630609 | Taxane synthesis method and intermediates A process for the preparation of a composition having the formula: ##STR1## in which a compound having the formula: ##STR2## is treated with a base and a silylating agent.... | 10/07/2003 |
| 6608235 | Method of reducing epoxidized organic compound with hydrogen In reduction of an epoxy group-containing organic compound, for example, a C5 -C20 saturated or unsaturated epoxy cycloaliphatic compound, in the presence of a nickel catalyst, by bringing the compound into contact with hydrogen, the... | 08/19/2003 |
| 6495725 | Process for the preparation of optically active enones and intermediates thereof The present invention provides a simplified and convenient process for the preparation of an optically active enone such as 7,7-dimethyl-6,8-dioxabicyclo-[3,3,0]oct-3-en-2-one. The invention further provides novel optically active intermediate compounds. ... | 12/17/2002 |
| 6489521 | Fixed bed catalysts In the overall methods of hydrogenating esters and maleic anhydride, which methods comprise a hydration reaction, comprising conducting the hydration reaction in the presence of the shaped Raney metal fixed-bed catalysts of the invention.... | 12/03/2002 |
| 6441052 | Cyclopentylalkyl-nitriles The present invention provides compounds of formula I ##STR1## wherein R1 and R3 are independently H or C1-3 alkyl, and R2 is H, C1-3 alkyl, methylene or ethylidene, with the proviso that R1 ... | 08/27/2002 |
| 6441253 | Method for the synthesis of taxanes A process for the preparation of a compound having the formula: ##STR1## the process comprising treating a compound having the formula: ##STR2## with an alkyl metal species or with a Lewis acid in the presence of a tertiary amine base, wherein P2 | 08/27/2002 |
| 6365782 | Production of tricyclodecane dicarbaldehyde, pentacyclopentadecane dicarbaldehyde and corresponding dimethanols A method of producing tricyclodecane dicarbaldehyde and/or pentacyclopentadecane dicarbaldehyde by the hydroformylation of dicyclopentadiene and/or tricyclopentadiene. The tricyclodecane dicarbaldehyde and/or pentacyclopentadecane dicarbaldehyde in the ... | 04/02/2002 |
| 6359181 | Cyclopentane 1-hydroxy alkyl or alkenyl-2-one or 2-hydroxy derivatives as therapeutic agents The present invention provides a novel compound represented by the general formula I; ##STR1## wherein R is H or COR3 ; R1 is H, R2, phenyl, or COR3, wherein R2 is C1 -C5 lower a... | 03/19/2002 |
| 6313087 | Perfumes comprising 3-alkylcycloalkanols Perfumes and perfumed products comprising 3-alkylcycloalkan-1-ols of formula (I), wherein R1 represents hydrogen or a methyl, ethyl or propyl group; R2, R4 and R5 independently represent hydrogen or a methyl gro... | 11/06/2001 |
| 6284703 | Fixed bed catalysts A shaped, activated, fixed-bed Raney metal catalyst prepared by a method comprising preparing a mixture of powders comprising at least one catalyst alloy of (1) at least one catalytically active Raney process metal, a leachable alloy component and optiona... | 09/04/2001 |
| 6278031 | Catalyst and process for preparing 2-buten-1-ol compounds The fixed-bed catalyst comprises palladium and selenium or tellurium or a mixture of selenium and tellurium on a silicon dioxide support and has a BET surface area of from 80 to 380 m2 /g and a pore volume of from 0.6 to 0.95 cm3 /g ... | 08/21/2001 |
| 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 |
| 6271408 | Process for making metabolites of lycopene This invention relates to trimethylsilyloxy-cyclopentane derivatives: 3-(1-Acetoxy-1-methylethyl)- 2-formyl-1-methyl-1-trimethylsilyloxy-cyclopentane; 4-[5-(1-Hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3 -buten-2-one; 5-[5-(... | 08/07/2001 |
| 6245952 | Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst The present invention relates to a process for the preparation of alcohols by reduction of the carbonyl function in substrates belonging to the class of aldehydes, ketones, esters or lactones, which substrates may contain unsaturated functions other than ... | 06/12/2001 |
| 6166091 | 2,3,4-trihydroxycyclopentanone 2,3,4-trihydroxycyclopentanone represented by the following formula [I], its optically active substance or salt thereof. ##STR1##... | 12/26/2000 |
| 6166267 | Synthesis of n-silylated cyclopentaphenanthrene compounds A method of converting Compound A (1,3-dehydro-cyclopenta[1]phenanthren-2-one) to Compound C (1H-cyclopenta[1]penanthren) in situ in a single reactor is disclosed.... | 12/26/2000 |
| 6162954 | Odorants The invention relates to compounds of the general formula ##STR1## in which R1 to R7 are, independently, H, methyl or ethyl, R8 +R9 together form methylene (--CH2 --) or a single bond, or R1... | 12/19/2000 |
| 6093857 | Preparation of cyclopentanols A process for preparing cyclopentyl formates of the formula (II) ##STR1## by reacting cyclopentenes of the formula (I) ##STR2## where R1, R2 and R3, independently of one another, are hydrogen atoms or C1-8 | 07/25/2000 |
| 6084138 | (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-ol, process for preparing the same, and use thereof An (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-ol represented by formula (I): ##STR1## wherein R represents an alkyl group having 1 to 3 carbon atoms, and a process for preparing the same comprising hydrogenating a corresponding ... | 07/04/2000 |
| 6040475 | Intermediate compounds for making metabolites of lycopene This invention is concerned with the synthesis of 3-(1-acetoxy-1-methylethyl)-6-oxo-heptanal; 3-(1-acetoxy-1-methylethyl)-2-formyl-1-methyl-cyclopentanol; 5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-2-cyclopentyl]-3-methyl- penta-2,4-dien-1-ol a... | 03/21/2000 |
| 6034283 | Process for production of cyclic alcohols A process for producing a cyclic alcohol by a catalytic hydration reaction of a starting cyclic olefin represented by the following formula (1) and water: Cs H2s-2-t Rt (1) wherein R is a hydrogen ... | 03/07/2000 |
| 6028231 | Process for preparing 2-methyl-4-(2,2,3-trimethyl-cyclopent-3-en-1-yl)-but-2-en-1-ol A process to obtain 2-methyl-4-(2, 2, 3-trimethyl-cyclopent-3-en-1-yl)-but-2-en-1-ol by reacting campholene aldehyde and propionaldehyde via aldol condensation and further subjecting the resulting reaction mixture to Meerwein-Ponndorf reduction with ... | 02/22/2000 |
| 6025518 | Substituted cyclopentene derivatives and method for preparing the same A substituted cyclopentene derivative of formula (V): wherein X1 is (-OZa, ଲ-H) or (-H, ଲ-OZa), X3 is (-OZd, ଲ-H), (-H, ଲ-OZd), or oxygen atom... | 02/15/2000 |
| 6008417 | Process for making metabolites of lycopene The invention is concerned with a multi-stage process for making an oxidative metabolite of the carotenoid lycopene, 2,6-cyclolycopene-1,5-diol having the formula ##STR1## In this process -terpinyl acetate is oxidatively dihydroxylated to ... | 12/28/1999 |
| 5994291 | (E)-(R)-2-alkyl-4-(2,2,3,-Trimethylcyclopent-3-en-1-yl)-2-buten-1-ol, process for preparing the same, and use thereof An (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-ol represented by formula (I): wherein R represents an alkyl group having 1 to 3 carbon atoms, and a process for preparing the same comprising hydrogenating a corresponding (E)-(R)-2... | 11/30/1999 |
| 5929291 | Odorants The invention relates to compounds of the general formula ##STR1## in which R1 to R7 are, independently, H, methyl or ethyl, R8 +R9 together form methylene (--CH2 --) or a single bond, or R1... | 07/27/1999 |
