Abstract: The invention relates to improved processes for the preparation of lacosamide. The invention also relates to a novel intermediate useful in the preparation of lacosamide. The invention also relates to process for the purification of lacosamide.
Abstract: Described herein are intermediate compounds and derivatives thereof that can be synthesized during the preparation of 2,4,5-trifluorophenylacetic acid and derivatives thereof.
Type:
Grant
Filed:
August 12, 2014
Date of Patent:
January 19, 2016
Assignee:
F.I.S.—Fabrica Italiana Sintetici S.p.A.
Inventors:
Stefano Tartaggia, Andrea Caporale, Ottorino De Lucchi
Abstract: The present invention relates to a method for producing an unsaturated acid and/or an unsaturated acid ester, containing a process A of reacting a compound (1) represented by the following formula (1) at a temperature of 0° C. to 350° C. in the presence of a Brønsted acid catalyst and/or a Lewis acid catalyst, to prepare a compound (2) represented by the following formula (2); in which each of R1, R2 and R4 independently represents a hydrogen atom, a deuterium atom or an alkyl group; each of R3 and R5 independently represents a hydrogen atom or a deuterium atom; R6 represents a hydrogen atom, a deuterium atom, or an alkyl group or an aryl group; and X represents a chlorine atom, a fluorine atom, a bromine atom, or an iodine atom.
Abstract: The present invention is related to a new metal powder catalytic system (catalyst) comprising a Fe-alloy as a carrier, its production and its use in hydrogenation processes.
Abstract: The present invention relates to methods for reducing body weight in an animal in need thereof via administration of a therapeutically effective amount of a compound having a general tripartite structure A-B-C. In the tripartite structure A, B, and C are identical or non-identical structures, for example, but not limited to, heterocyclic, phenyl or benzyl ring structures with or without substitutions and are described in detail herein. The methods may utilize particular compounds, for example, having a piperidinyl, a pyrrolinyl or pyridinyl A ring, a thiazole B ring, and a phenyl C ring which may be further substituted independently. Also provided are methods for increasing thermogenesis without reducing lean body mass during weight loss in an animal by administering of a therapeutically effective amount of the compounds described.
Type:
Grant
Filed:
May 5, 2014
Date of Patent:
January 12, 2016
Assignee:
Baylor College of Medicine
Inventors:
Motonari Uesugi, Salih J. Wakil, Lutfi Abu-Elheiga, Mizuki Watanabe
Abstract: The invention in some aspects relates to devices and methods for nucleating crystals under controlled conditions. In some aspects of the invention, devices and methods are provided for continuous crystallization.
Abstract: The present invention relates to a method for producing nitrobenzene, in which the waste gas streams accruing in the process and containing benzene and (traces of) nitrobenzene, possibly low- and medium-boiling components, possibly non-condensable gases and possibly water, optionally after removal of nitrogen oxides, are scrubbed in an absorption column with nitrobenzene, which comprises only very small amounts (maximum 50 ppm) of benzene and is distributed by means of a liquid distributor at a rate of 50 to 200 drip points per square meter, preferably 60 to 120 drip points per square meter, wherein (i) a liquid stream containing benzene and nitrobenzene, possibly organic low- and medium-boiling components and additionally containing sulfuric acid if sulfuric acid is used as the scrubbing agent and (ii) waste gas depleted in benzene and possibly in organic low- and medium-boiling components are obtained.
Type:
Grant
Filed:
October 4, 2013
Date of Patent:
January 5, 2016
Assignee:
Covestro Deutschland AG
Inventors:
Thomas Knauf, Jurgen Munnig, Joerg Schmiedler
Abstract: L-valine granules are produced by adding L-glutamic acid to an aqueous solution containing L-valine so that the amount of L-glutamic acid is 0.5% by weight or more relative to the L-valine, dissolving the L-glutamic acid, then adjusting the pH of the aqueous solution to an acidic level and then crystallizing the L-valine.
Abstract: The present disclosure relates to novel indole and tetrahydroindole core compounds useful for the treatment of disorders associated with a defect in vesicular transport (e.g., axonal transport).
Abstract: The present invention relates to the compound for treatment and/or prevention of one or more metabolic disorders utilizes an A-B-C tripartite structure, wherein A, B, and C are identical or non-identical structures, for example, but not limited to, heterocyclic, phenyl or benzyl ring structures with or without substitutions and are described in detail herein. Also provided are methods for the treatment and/or prevention of one or more metabolic disorders, for example, obesity or diabetes, utilizing fatostatin A and/or a derivative and/or analog thereof and/or the A-B-C tripartite compounds.
Type:
Grant
Filed:
June 20, 2014
Date of Patent:
December 15, 2015
Assignee:
Baylor College of Medicine
Inventors:
Motonari Uesugi, Salih J. Wakil, Lutfi Abu-Elheiga, Mizuki Watanabe
Abstract: The present invention provides a protecting reagent that can be removed in a high yield even under acidic conditions and can afford a resulting product at a high purity in an organic synthesis reaction such as peptide synthesis and the like. The inventive protecting reagent is particular benzylic compound having only one hydroxyl group substituted by an organic group having an aliphatic hydrocarbon group having a carbon number of not less than 14.
Abstract: There is provided a process for preparing ?-mercaptocarboxylic acid represented by the following General Formula (3) comprising step of reacting hydrogen sulfide, alkali hydroxide represented by a formula: XOH (X represents Na or K), and unsaturated carboxylic acid represented by the following General Formula (1) under atmospheric pressure to obtain a reaction solution including a compound represented by the following General Formula (2) and step of neutralizing the reaction solution in an acid. An amount of the alkali hydroxide is equal to or greater than total moles of the unsaturated carboxylic acid and the hydrogen sulfide.
Abstract: A method for preparing a cyclobutene compound or a cyclopentenone is provided. The method comprises contacting an ?,?-diketone with a metal acetylide at a temperature below 0° C. to thereby form a reaction mixture comprising a bis-alkyne precursor. The bis-alkyne precursor rearranges into a bis-allenic intermediate, which undergoes further rearrangement into the cyclobutene compound or the cyclopentenone compound as the temperature of the reaction mixture increases from below 0° C. to above 0° C.
Type:
Grant
Filed:
September 13, 2011
Date of Patent:
December 8, 2015
Assignee:
The Florida State University Research Foundation, Inc.
Abstract: A method of producing an ethylenically unsaturated, typically, an ?, ? ethylenically unsaturated carboxylic acid or ester is described. The method comprises the steps of contacting formaldehyde, or a source of formaldehyde, with a carboxylic acid or ester in the presence of a catalyst and optionally in the presence of an alcohol. The catalyst comprises barium phosphate leaf or plate shaped/like crystals, or a source thereof. A catalyst system is also described. The catalyst system comprises a crystalline barium phosphate catalyst and optionally a catalyst support.
Abstract: In one embodiment, the invention is to a method for producing a vinyl acetate composition. The method comprises the step of contacting acetic acid, oxygen, and ethylene under conditions effective to form a crude vinyl acetate composition comprising vinyl acetate, acetic acid, residual oxygen, and water. The method further comprises the step of contacting the crude vinyl acetate composition or a derivative thereof with at least one scavenger to form a treated crude vinyl acetate composition.
Type:
Grant
Filed:
October 25, 2011
Date of Patent:
November 24, 2015
Assignee:
Celanese International Corporation
Inventors:
Jessica Freeman, Qiang Yao, Lauren Moore, Ilias Kotsianis, Victor Johnston, Kevin Hanks
Abstract: Methods and systems for on-site generation of peracid chemistry, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions, are disclosed. In particular, an adjustable biocide formulator or generator system is designed for on-site generation of peroxycarboxylic acids and peroxycarboxylic acid forming compositions from sugar esters. Methods of using the in situ generated peroxycarboxylic acids and peroxycarboxylic acid forming compositions are also disclosed.
Type:
Grant
Filed:
October 13, 2014
Date of Patent:
November 24, 2015
Assignee:
ECOLAB USA, INC.
Inventors:
Paul R. Kraus, Richard J. Mehus, Katherine M. Sanville, Thomas C. Rustad
Abstract: The present invention relates to a simple, economical and short synthesis for the class of compounds chemically belonging to amino acrylic acids of general formula I exhibiting both antibacterial and anti-plasmodium (anti-malarial) activity, in good yield and purity. Process for the preparation of said compound comprising heating amine (A) and pantolactone or substituted pantolactone (B) in a solvent selected from cyclohexane, benzene, toluene, xylene, dipheny!ether; anisole, dioxane, etc. at a temperature in the range of 110-150° C. for about 24 hrs followed by further raising the temperature of the mixture to a temperature in the range of 200-230° C. for period in the range of 15 to 25 min followed by cooling the crude reaction mixture to room temperature to obtain compound of general Formula I.
Type:
Grant
Filed:
October 15, 2012
Date of Patent:
November 24, 2015
Assignee:
Council of Scientific & Industrial Research
Abstract: The invention relates to a process for producing polyester polyols with secondary hydroxyl end groups, including the step of the reaction of a polyester including carboxyl end groups with an epoxide of the general formula (1): wherein R1 stands for an alkyl residue or an aryl residue and the reaction is carried out in the presence of a catalyst that includes at least one nitrogen atom per molecule. The process is distinguished in that the polyester including carboxyl end groups exhibits an acid value from ?25 mg KOH/g to ?400 mg KOH/g and a hydroxyl value from ?5 mg KOH/g and in that the polyester including carboxyl end groups is produced by ?1.03 mol to ?1.90 mol carboxyl groups or carboxyl-group equivalents of an acid component being employed per mol hydroxyl groups of an alcohol. The polyester polyols obtained, including secondary hydroxyl end groups, can be used for the purpose of producing polyurethane polymers.
Abstract: The present invention relates to methods of treating a disease related to cell hyper-proliferation via administration of a therapeutically effective amount of a compound having a general tripartite structure A-B-C. In the tripartite structure A, B, and C are identical or non-identical structures, for example, but not limited to, heterocyclic, phenyl or benzyl ring structures with or without substitutions and are described in detail herein. The methods may utilize particular compounds, for example, having a piperidinyl, a pyrrolinyl or pyridinyl A ring, a thiazole B ring, and a phenyl C ring which may be further substituted independently.
Type:
Grant
Filed:
October 11, 2013
Date of Patent:
November 17, 2015
Assignee:
Baylor College of Medicine
Inventors:
Motonari Uesugi, Salih J. Wakil, Lutfi Abu-Elheiga, Mizuki Watanabe
Abstract: A process utilizing nitric acid and oxygen as co-oxidants to oxidize aldehydes, alcohols, polyols, preferably carbohydrates, specifically reducing sugars to produce the corresponding carboxylic acids.
Type:
Grant
Filed:
March 12, 2014
Date of Patent:
November 17, 2015
Assignee:
Rivertop Renewables, Inc.
Inventors:
Steven Donen, Kirk Hash, Tyler Smith, Keith Jensen