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| Number | Title | Issue Date |
| 7626052 | Method for the use of [C] carbon monoxide in labeling synthesis of C-labelled esters by photo-induced free radical carbonylation Methods and reagents for photo-initiated carbonylation with carbon-isotope labeled carbon monoxide using alkyl/aryl iodides with alcohols pretreated by a base are provided. The resultant carbon-isotope labeled esters are useful as radiopharmaceuticals, especially fo... | 12/01/2009 |
| 7495122 | Heavy-hydrogenated norbornyl (meth)acrylates, process for producing them, polymers thereof and optical members A novel compound represented by a formula [1] wherein R1 and R2 respectively represent a light or heavy hydrogen atom, R3 represents a light or heavy hydrogen atom or a methyl group in which tree hydrogen atoms are respectively light... | 02/24/2009 |
| 7432390 | Production of carboxylic acids or carboxylic acid esters In the production of carboxylic acid or carboxylic acid ester, a reaction product containing the carboxylic acid or carboxylic acid ester which has been produced by the reaction of an olefin, carbon monoxide, and water or an alcohol in the presence of HF is heat-tre... | 10/07/2008 |
| 7323522 | Cyclohexanetricarboxylic monoester and its use The cyclohexanetricarboxylic monoester of the present invention is represented by the following formula 1: wherein R is as defined in the specification. The cyclohexanetricarboxylic monoester is useful particular... | 01/29/2008 |
| 7268250 | Process for producing optically active compound A highly efficient process is provided for producing an optically active compound having high optical purity by an asymmetric reaction using as a catalyst a transition metal complex having an optically active nitrogen-containing compound as an asymmetric ligand.... | 09/11/2007 |
| 7256305 | Process for producing β-hydroxyester A process for producing a β-hydroxyester by reacting an epoxide, an alcohol and carbon monoxide in the presence of a cobalt carbonyl compound as catalyst, which is characterized in using as co-catalyst, a pyridine derivative having an amino substituent of fo... | 08/14/2007 |
| 7253300 | Production process for high purity tricyclo-[5.2.1.0]decane-2-carboxylic acid ester In a process for producing tricyclo[5.2.1.02,6]decane-2-carboxylic acid ester by reacting tricyclo[5.2.1.02,6]deca-3-ene with carbon monoxide and alcohol in the presence of HF, carried out separately are (a) a step in which tricyclo[5.2.1.0 | 08/07/2007 |
| 7214639 | Immobilized metal complex catalysts, process for preparation thereof and use thereof The present invention provides a novel immobilized metal complex catalyst of the formula I wherein M is a Group VIII metal, n is an integer with a value between 2 and 6, MLx is an organometallic comple... | 05/08/2007 |
| 6987199 | Process for preparing beta-ketoester compound The present invention relates to a new process for preparing beta-ketoester compound of the following formula (1), which is a useful intermediate for the synthesis of such quinoline antibiotics as Ciprofloxacin, Levofloxacin, Gemifloxacin, Trovafloxacin, etc. The qu... | 01/17/2006 |
| 6960682 | Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide Acetyl anhydrides such as acetyl sulfate are produced by a process for comprising contacting methane and carbon dioxide in an anhydrous environment in the presence of effective amounts of a transition metal catalyst and a reaction promoter, and an acid anhydride com... | 11/01/2005 |
| 6916954 | Catalyst system and method for carbonylation The invention relates to a catalyst system for carbonylating olefinically or acetylenically unsaturated compounds with carbon monoxide and a nucleophile compound, containing (a) palladium; (b) a phosphine and (c) a polymer containing nitrogen which is soluble in the... | 07/12/2005 |
| 6806357 | Fluorous nucleophilic substitution of alcohols and reagents for use therein A method of effecting a nucleophilic substitution of an alcohol to produce a target product includes the steps of: reacting the alcohol and a nucleophile with an azodicarboxylate and a phosphine. At least one of the azodicarboxylate and the phosphine includes at lea... | 10/19/2004 |
| 6787671 | Catalytic osmium-assisted oxidative cleavage of olefins An osmium-assisted process for the oxidative cleavage of oxidizable organic compounds such as unsaturated organic compounds, including alkenes and olefins into aldehydes, carboxylic acids, esters, or ketones. The process uses a metal catalyst comprising osmium and a... | 09/07/2004 |
| 6737542 | Process for the carbonylation of conjugated dienes The present invention relates to a process for the carbonylation of conjugated dienes, whereby a conjugated diene is reacted with carbon monoxide and a hydroxyl group containing compound in the presence of a catalyst system including: (a) a source of palladium catio... | 05/18/2004 |
| 6521783 | Processes for preparing oxygenates This invention relates in part to a processes for the conversion of a feedstock stream comprising carbon monoxide and hydrogen to a product stream comprising at least one of an ester, acid, acid anhydride and mixtures thereof. This invention also relates ... | 02/18/2003 |
| 6392086 | Intermediates and process for producing fluorine-containing amino acid compound by using the same The present inventions relate to a (1S,5R,6S)- or (1SR, 5RS, 6SR)-3-fluoro-2-oxobicyclo[3.1.0]hex-3-ene-6-carboxylic acid derivative represented by Formula (1): ##STR1## [in the formula, R represents OR1 or NR1 R2, wherein... | 05/21/2002 |
| 6353141 | Functionalized cyclopentene-derived oligomer mixtures, their preparation and their use Functionalized cyclopentene-derived oligomer mixtures are prepared by reacting oligomer mixtures which contain ethyleneic double bonds in one or more reaction steps starting from cyclopentene-derived oligomer mixtures of the formula I R1 R... | 03/05/2002 |
| 6294688 | Process useful to produce vitamin D analogs A stereospecific method for accomplishing the below reaction: ##STR1## results in the compound of formula 2 having the same stereochemistry at both carbon 1 and carbon 3 as that in the compound of formula 1. Thus, if carbon 3 is in the R-configuration in ... | 09/25/2001 |
| 6294687 | Process for the preparation of saturated carboxylic acids and their esters The present invention discloses this invention relates to a process for the conversion of olefinically unsaturated compounds to corresponding carboxylic acids and their esters of formula III ##STR1## wherein R1, R2, R3 and... | 09/25/2001 |
| 6268526 | Palladium catalyzed carbonylation process utilizing aromatic substituted alcohols and/or aromatic substituted alkyl halides A mixture formed from an aromatic substituted alcohol and/or an aromatic substituted alkyl halide, and a copper-free palladium catalyst is carbonylated with carbon monoxide. Extremely high yields of the desired alpha-substituted carboxylic acid can be obt... | 07/31/2001 |
| 6127574 | Carbonylation process A process for the production of a carboxylic acid and/or a carboxylic acid anhydride which process comprises contacting a reaction composition comprising an alcohol and/or a carboxylic acid ester, optionally water, a first hydrocarbyl halide and/or a hydr... | 10/03/2000 |
| 6011171 | Process for synthesis of tertiary carboxylic acids and the esters thereof The present invention provides a process for synthesizing tertiary carboxylic acids or the esters thereof having one or two more carbon atoms than the raw material has, comprising reacting in a strong acid (e.g., sulfuric acid, sulfuric acid-phosphoric ac... | 01/04/2000 |
| 5639894 | Carbonylation of allylic alcohols and synthesis of an ambergris fragrance compound A process for the carbonylation of allylic alcohols such as nerolidol, farnesol, or their monocyclic analogues with carbon monoxide at a pressure of at least 30 bar in the presence of a polar solvent and a palladium halide catalyst, optionally an alkali m... | 06/17/1997 |
| 5378333 | Halogenated polycarboxycubanes The disclosure describes photochemical synthesis of halogenated polycarboxycubanes from simple carboxycubanes and an oxalyl halide. It is possible to synthesize 6-Chloro-1,2,4,7-tetracarbomethoxycubane and 2-Chloro-1,3,5,7-tetracarbomethoxycubane. Photoch... | 01/03/1995 |
| 5324856 | Making optically active alpha-hydroxy acids or precursors Disclosed is a process for making an -hydroxy acid which is essentially all L or all D with respect to the chiral C atom bonded to the carboxy group of said acid which comprises (1) hydrocarboxylating an enol acylate, which has a chiral C atom that... | 06/28/1994 |
| 5258546 | Carbonylation catalyst system The invention relates to a catalyst system, which comprises a source of a Group VIII metal and a polyphosphine. The invention further relates to a process for the preparation of alpha, beta-olefinically unsaturated compounds utilizing this catalyst system... | 11/02/1993 |
| 5235119 | Nitrocubanes An efficient direct functionalization of nitrocubanes has been achieved by irradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes.... | 08/10/1993 |
| 5216125 | Active ester used for production of acylated amino acids A process for producing an amide or an ester represented by the general formula W-A-B-Y which involves reacting an ester sulfonium salt represented by the general formula: ##STR1## with a nucleophilic agent represented by the general formula H--B--Y ... | 06/01/1993 |
| 5214221 | Nitrocubanes An efficient direct functionalization of nitrocubanes has been achieved by rradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes.... | 05/25/1993 |
| 5158921 | Carbonylation catalyst and process A catalyst system, which contains a) a source of a group VIII metal, and b) a phosphine of general formula: ##STR1## in which R1, R2 and R3 are independently selected from an optionally substituted aryl group and a group ... | 10/27/1992 |
| 5153354 | Cyclohexane derivatives containing carboxyl groups Cyclohexane derivatives containing carboxyl groups with the general structure of formula (I): ##STR1## alone or in mixtures with one another, in which the substituents on the cyclohexane ring are in the 1-, 2-, and 4-positions, Z is a --CH2 | 10/06/1992 |
| 5149868 | Carbonylation process A process for the carbonylation of olefinically or alkynically unsaturated compounds with carbon monoxide in the presence of water and a catalyst, wherein the catalyst is based on a) a palladium compound, b) a phosphine general formula PR1 R2 | 09/22/1992 |
| 5145987 | Process for the preparation of cis-1,2-trans-4-cyclohexane tricarboxylic acid and esters A process is disclosed for preparing cyclohexane tricarboxylic acids and esters thereof comprising contacting carbon monoxide, cis-1,2,3,6-tetrahydrophthalic acid anhydride and water or a lower alkanol at elevated pressure and temperature and in the prese... | 09/08/1992 |
| 5133903 | Process for the preparation of ω-enecarboxylic acid esters Hydrocarboxyalkylation of ,ω-dienes with carbon monoxide and an alcohol in the presence of a cobalt compound and a tertiary amine gives ω-enecarboxylic acid esters with high selectivity and in good yields.... | 07/28/1992 |
| 5081292 | Preparation of ଲ, γ-unsaturated carboxylic acids ଲ, γ-Unsaturated carboxylic acids, e.g., 3-hexene-1,6-dioic acid, are selectively prepared by carbonylating (with carbon monoxide) an allyl alcohol, e.g., a butenediol, at an elevated temperature and under superatmospheric pressure, in the presence... | 01/14/1992 |
| 5075492 | Method of manufacturing cyclooctanedicarboxylic acid diesters A method of manufacturing cyclooctanedicarboxylic acid diesters by hydrocarboxyalkylation of 1,5-cyclooctadiene over a cobalt catalyst in the presence of tertiary amines is disclosed.... | 12/24/1991 |
| 5055577 | Preparation of urethane products The present invention provides a process for preparing urethanes from primary or secondary amines, carbon dioxide and a diolefin. The amine is reacted with carbon dioxide to form the ammonium carbamate salt which is then reacted with a stoichiometric amou... | 10/08/1991 |
| 5028734 | Process for the selective preparation of alkenecarboxylic acid derivatives A process for the selective carbonylation of a conjugated diene by contacting with carbon monoxide in the presence of a hydroxyl-group-containing compound such as water, alcohol, phenol or carboxylic acid in liquid phase using a catalyst system formed by ... | 07/02/1991 |
| 4973740 | Process for producing tricyclodecanecarboxylic acid esters A process for producing a tricyclodecanecarboxylic acid ester by reacting dihydrodicyclopentadiene with CO and an alcohol in the presence of anhydrous HF is disclosed. The reaction is performed in a solvent at a temperature of from -20° to 60° C. under ... | 11/27/1990 |
| 4960926 | Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst Process for the carbonylation of olefinically unsaturated compounds with carbon monoxide in the presence of a hydroxyl-group-containing compound, a palladium catalyst, an organic phosphine, an acid with a pKa value | 10/02/1990 |
