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| Number | Title | Issue Date |
| 8148568 | Esters of (2-hydroxy-3-oxo-cyclopent-1-enyl) acetic acid and their use for preparing (−)--homocitric acid gamma-lactone, (+)--homocitric acid gamma-lactone and the corresponding (−)--homocitric acid and (+)--homocitric acid salts Archiral (2-hydroxy-3-oxo-cyclopent-1-enyl) acetic acid) alkyl, alkylphenyl and phenyl esters, and a simple and efficient method for the synthesis of both enantiomers of homocitric acid gamma-lactone and the corresponding salts from these esters are described. The m... | 04/03/2012 |
| 8030514 | Processes and intermediates for the preparations of prostaglandins The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3,... | 10/04/2011 |
| 7897802 | Process for production of substituted cyclopentanone A substituted cyclopentanone represented by the following formula (2): (wherein R3 and R4 represent a substituent having 1 to 8 carbon atoms, may be the same as R1 and R2, respect... | 03/01/2011 |
| 7649107 | Process for the preparation of cyclopentanone derivatives The present invention relates to the field of organic synthesis and more particularly to a new process for the preparation of an acetal derivative of an alkyl 3-oxo-2-(2-oxoethyl)-1-cyclopentaneacetate. The invention also relates to a method to use said acetal deriv... | 01/19/2010 |
| 7511168 | Processes and intermediates for the preparations of prostaglandins The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3,... | 03/31/2009 |
| 7498458 | Process for the preparation of prostaglandins and analogues thereof Disclosed are processes for the synthesis and purification of prostaglandins and analogues thereof, especially analogues of PGF2α. ... | 03/03/2009 |
| 7442827 | Process for Producing Cyclopentanone-2, 3, 5-Tricarboxylic Acid Triester The present invention provide a process that allows the industrially advantageous production of a cyclopentanone-2,3,5-tricarboxylic acid triester. Namely, the present invention provides a process for producing a cyclopentanone-2,3,5-tricarboxylic acid triester repr... | 10/28/2008 |
| 7390779 | Cycloalkanecarboxylic acid derivatives as fragants with musk characteristics Odourant compounds selected from compounds having the structure: wherein, R1 and R2 may be independently hydrogen or methyl, and n is an integer 1, 2 or 3 provided that n+ the carbon atoms in... | 06/24/2008 |
| 7388103 | Cyclopentane carboxylate compounds, process and intermediates for preparing the same and use thereof The present invention discloses cyclopentane carboxylate compounds. The 1-hydrocarbyl-2-acyloxy-cyclopentane carboxylates according to the invention have a general formula (I): wherein groups R1, R2 an... | 06/17/2008 |
| 7355064 | Method for preparing 15-keto-prostaglandin E derivative Disclosed is an improved method for preparing 15-keto-prostaglandin E derivative. According to the invention, the deprotection of protected hydroxy group required in manufacturing a 15-keto-prostaglandin derivative is conducted under the presence of a phosphoric aci... | 04/08/2008 |
| 7294601 | Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids [PROBLEMS] To provide a method by which desired optically active carboxylic acids may be prepared from a carboxylic acid having a carbon-carbon double bond through asymmetric hydrogenation with a catalyst consisting of a transition metal complex containing a water-s... | 11/13/2007 |
| 7285613 | Free-radical curable polyesters and methods for use thereof The invention is based on the discovery that certain polyester compounds bearing free-radical curable moieties are useful as b-stageable adhesives for the microelectonic packaging industry. ... | 10/23/2007 |
| 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 |
| 7250160 | Jasmonic acid and jasmonic acid ester stereoisomers and compositions Described is a bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate, as well as a novel jasmonic acid isomer produced thereby and organoleptic uses thereof. The process yields at least 5% of the “cis” isomer defin... | 07/31/2007 |
| 7227044 | Cycloalkanone composition The present invention relates to a cycloalkanone composition which contains cycloalkanone (1) in an amount of 70 wt % or more based on the composition, wherein the content of a dimer of a cycloalkanone represented by formula (2) is 0.055 or less in terms of weight r... | 06/05/2007 |
| 7169812 | Process for producing injectable gabapentin compositions Injectable compositions containing gabapentin and processes for preparing sterile injectable compositions containing gabapentin are discussed. The process includes subjecting the compositions to heat. Heating results in increased production of gabapentin lactam, whi... | 01/30/2007 |
| 7166750 | Process for the preparation of 5-[(4-chlorophenyl)methyl]-2,2-dimethylcyclopentanone 5-[(4-chlorophenyl)methyl]-2,2-dimethylcyclopentanone is produced by reacting 1-[(4-chlorophenyl)methyl]-3-methyl-2-oxocyclopentanecarboxylic acid methyl ester or 1-[(4-chlorophenyl)methyl]-3-methyl-2-oxocyclopentanecarboxylic acid... | 01/23/2007 |
| 7132564 | Process for preparing cyclic ketones The present invention provides a process for preparing cyclic 1,3-keto esters in the absence of solvent, using solid-state or high viscosity reactors. ... | 11/07/2006 |
| 7122678 | Cyclic amino acids and derivatives thereof useful as pharmaceutical agents The invention is a novel series of cyclic amino acids which are useful in the treatment of epilepsy, faintness attacks, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, gastrointestinal disorders such as irritable bowel syn... | 10/17/2006 |
| 7078559 | Method of producing acetate derivative The present invention relates to a method of producing an acetate derivative represented by the formula (II) by demonocarboxylating dimalonate represented by the formula (I), wherein water is supplied while the concentration of water in a demonocarboxylating reactio... | 07/18/2006 |
| 7060840 | Catalytic asymmetric desymmetrization of prochiral compounds The present invention relates to methods for the synthesis of chiral non-racemic products, e.g., enantiomerically-enriched hemiesters, from prochiral starting materials, e.g., meso anhydrides. The present invention also relates to catalysts for the aforementioned me... | 06/13/2006 |
| 7057077 | Method for producing 2- (alkyl) cycloalkenone A method for producing 2-(alkyl)cycloalkenone and a method for producing alkyl(3-oxo-2-alkylcycloalkyl) acetate and 5-alkyl-5-alkanolide which are useful as flavoring materials and physiologically active substances using the same are provided. A method for producing... | 06/06/2006 |
| 7045653 | Pharmaceuticals The invention relates to NEP inhibitors for treating cardiovascular disorders. Preferred NEP inhibitors are compounds of formula (I) wherein R1 is C1–C6alkyl, C1–C6alkoxyC1–C3alkyl or... | 05/16/2006 |
| 7038060 | Synthesis of 2-butyl-3-(2′-(1-trityl-1H-tetrazol-5-yl)biphenyl-4-yl)-1,3-diazaspiro[4.4]-non-ene-4-one Provided is a novel method of making 2-butyl-3-[[2′(1-trityl-1H-tetrazol-5-yl)biphen-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-ene-4-one, which can be converted to irbesartan. Also provided are methods of making irbesartan. ... | 05/02/2006 |
| 7022678 | Pregabalin lactose conjugates In accordance with the present invention, there is provided pregabalin lactose conjugate compounds. Also provided as part of the present invention is a novel method of central nervous system disorders or diseases including seizure disorders, pain, depression,... | 04/04/2006 |
| 6909014 | 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 administering a compo... | 06/21/2005 |
| 6903067 | Fragrance composition containing 3-(3-hexenyl)-2-cyclopentenone An excellent fragrance compound having high palatability. A 3-(3-hexenyl)-2-cyclopentenone represented by a general formula (1) (wherein wavy line represents a double bond cis-form and/or trans-form) is used as an acti... | 06/07/2005 |
| 6858650 | Stable salts of novel derivatives of 3,3-diphenylpropylamines The present invention concerns highly pure, crystalline, stable compounds of novel derivatives of 3,3-diphenylpropylamines in the form of their salts, a method for the manufacture and highly pure, stable intermediate products. The method is in particular char... | 02/22/2005 |
| 6825375 | Intermediate and process for producing fluorinated carboxylic acid derivative from the same The present invention relates to a 2-fluoro-2-(3-oxobicyclopentyl)acetate derivative represented by the formula (1): The compound according to the present invention is useful for efficient syntheses of 2-amino-6-fluoro... | 11/30/2004 |
| 6770676 | Dicarboxylic acid derivatives The present invention relates to 2-amino-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid derivatives represented by the formula: the pharmaceutically acceptable salts thereof, or the hydrates thereof. The compounds of... | 08/03/2004 |
| 6734320 | Non-symmetric, partially fluorinated lubricant additives Novel non-symmetric, partially fluorinated compositions and method of manufacture which are useful as lubricants or as additives to lubricant formulations involving the molecular structure: R1f—F′—R2—F″—R3h | 05/11/2004 |
| 6596898 | Process for preparing halogenated cyclopropane derivatives A process for preparing compounds represented by the following general formula (I) wherein X represents chlorine atom, bromine atom, or iodine atom, and R includes alkoxy group and amino group which comprises the step of allowing a compound represented by... | 07/22/2003 |
| 6593489 | Substituted cyclopentenes, their preparation and their use for chiral scaffolds 3,4-Disubstituted-1-cyclopentene compounds, in substantially enantiopure form, have the relative stereochemistry according to formula (1A) or (1B) ##STR1## including the opposite enantiomers thereof, wherein R1 is either COOX, wherein X is selected ... | 07/15/2003 |
| 6576786 | Process for preparing substituted cyclopentane derivatives and novel crystalline structures thereof The invention relates to a process for preparing substituted cyclopentane derivatives represented by the formula (I) ##STR1## wherein R1, R2, R3, R4, X and Y are as described in the specification, and pharmaceut... | 06/10/2003 |
| 6562861 | Substituted cyclopentane and cyclopentene compounds useful as neuraminidase inhibitors ##STR1## Compounds I-III wherein U is CH, O, or S; Z is mono- or di-substituted carbon; R is (CH2)nCO2H, (CH2)nSO3H, (CH2)nPO3H2, (CH2)nNO2, CH(SCH3)3, esters; R1 is H, hydroxyalkyl, aminoalkyl, alkoxyalkyl; RR1 is O; n is 0-4; R2, R3 is H, hydroxyalkyl, ... | 05/13/2003 |
| 6518305 | Five-membered carbocyclic and heterocyclic inhibitors of neuraminidases Disclosed are compounds of the formula: ##STR1## which are useful for inhibiting neuraminidases from disease-causing microorganisms, especially, influenza neuraminidase. Also disclosed are compositions and methods for preventing and treating diseases caus... | 02/11/2003 |
| 6503745 | Cyclopentane and cyclopentene compounds and use for detecting influenza virus New cyclopentane and cyclopentene compounds are provided along with their use in method for detecting influenza virus.... | 01/07/2003 |
| 6500990 | Method for producing jasmonate derivatives and intermediates thereof A process for efficiently producing a 2-alkyl-2-cyclopentenone comprising reacting an amine and a hydrogen halide, which are present in a ratio ranging from 1.1:1 to 5:1, with a 2-alkylidene cyclopentanone to carry out an isomerization reaction. A process... | 12/31/2002 |
| 6495711 | Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters The invention relates to a process for preparing (-)-(1S,4R) N protected 4-amino-2-cylcopentene-1-carboxylate esters represented by the formula (I) ##STR1## wherein R1 and R2 are as described within the specification.... | 12/17/2002 |
| 6458569 | Bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate, novel jasmonic acid isomer produced thereby and uses thereof Described is a bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate, as well as a novel jasmonic acid isomer produced thereby and organoleptic uses thereof. The process yields at least 5% of the "cis" isome... | 10/01/2002 |
