Nitro Bonded To Carbon In Acid Moiety Patents (Class 560/20)
  • Patent number: 9403757
    Abstract: The present invention relates to a process for the preparation of iodinated X-ray contrast agents and in particular to key intermediates thereof. It particularly relates to an improved process for preparation of 5-acetamido-N,N?-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide (Compound A) or N,N?-bis(2,3-dihydroxypropyl)-5-formamido-2,4,6-triiodoisophthalamide (Compound C), which are intermediates in the industrial preparation of non-ionic X-ray contrast agents. More particularly the invention provides a process for deacylation of the acylated hydroxyl groups of an intermediate compound of Compound A and Compound C.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: August 2, 2016
    Assignee: GE Healthcare AS
    Inventor: Torfinn Haaland
  • Publication number: 20150148550
    Abstract: Disclosed is a novel compound to function as a calcium-dependent chloride channel blocking agent.
    Type: Application
    Filed: November 27, 2013
    Publication date: May 28, 2015
    Applicant: Korea Institute of Science and Technology
    Inventors: Eun Joo ROH, Changjoon Justin LEE, Soo Jin OH, Jong Hoon JUNG
  • Publication number: 20150119583
    Abstract: A catalyst for an organic reaction and a method of using a catalyst in an organic reaction are provided. The catalyst for an addition or condensation reaction includes a graphene oxide including an oxygen functional group, and the catalyst is configured to promote the addition or condensation reaction by bonding the oxygen functional group with an alkali metal ion or alkali earth metal ion during the addition or condensation reaction.
    Type: Application
    Filed: May 8, 2014
    Publication date: April 30, 2015
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Hyoyoung LEE, Youngmin KIM, Surajit SOME
  • Publication number: 20150112066
    Abstract: The present invention relates to asymmetric catalysts, including redox-reconfigurable asymmetric catalysts. Methods of producing compounds having one or more stereocenters using the asymmetric catalysts of the present invention are also disclosed.
    Type: Application
    Filed: June 11, 2013
    Publication date: April 23, 2015
    Applicant: NEW YORK UNIVERSITY
    Inventors: James Canary, Shahab Mortezaei
  • Patent number: 9006477
    Abstract: A method for producing a nitrobenzene compound represented by general formula (2), wherein R1 and R5 are the same or different, and each is a halogen atom or another functional group, and R2, R3, and R4 are the same or different, and each is a hydrogen atom or another functional group, comprises oxidizing an aniline compound represented by general formula (1), wherein R1, R2, R3, R4, and R5 are the same as described above, with hydrogen peroxide in the presence of a tungsten compound under an acidic condition, followed by oxidation with hydrogen peroxide under a neutral to alkaline condition.
    Type: Grant
    Filed: July 4, 2012
    Date of Patent: April 14, 2015
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Shinki Tani, Nami Yadomatsu, Akiko Ikumi, Yuuki Hirano, Takuya Ido
  • Patent number: 8970937
    Abstract: Disclosed herein are novel electrochromic materials. The electrochromic materials produce various colors. The electrochromic materials can be used to form red electrochromic layers in a simple manner. Therefore, the electrochromic materials are suitable for use in the fabrication of RGB full-color electrochromic devices. Also disclosed herein are electrochromic devices fabricated using the electrochromic materials.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Uk Son, Chang Ho Noh, Ji Min Lee
  • Patent number: 8871964
    Abstract: The invention relates to a method for carrying out a chemical reaction for producing a target compound by heating in a reactor a reaction medium containing at least one first reactant, such that a chemical bond inside the first reactant or between the first and a second reactant is formed or modified. The reaction medium is brought into contact with a solid heating medium that can be warmed by electromagnetic induction and that is inside the reactor and is surrounded by the reaction medium. Said heating medium is heated by electromagnetic induction with the aid of an inductor and the target bond is formed from the first reactant or from the first and a second reactant and said target bond is separated from the heating medium.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: October 28, 2014
    Assignee: Henkel AG & Co. KGaA
    Inventors: Carsten Friese, Andreas Kirschning, Jürgen Wichelhaus, Sascha Volkan Ceylan
  • Publication number: 20140275603
    Abstract: A process for making a 2-nitro-1-ethanol derivative of formula III: wherein R3 is as described herein is provided. Novel 2-nitro-1-ethanol derivatives provided.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 18, 2014
    Applicant: ANGUS Chemical Company
    Inventors: Raymond J. Swedo, George David Green, Charles E. Coburn
  • Publication number: 20140213552
    Abstract: The present application provides novel compounds and methods for preparing and using these compounds. These compounds are useful in treating pain, itch, overactive bladder and/or interstitial cystitis in patients by administering one or more of the compounds to a patient. The methods include administering a compound of formula (I) and a TRPV1 receptor activator. In one embodiment, the TRPV1 receptor activator is lidocaine.
    Type: Application
    Filed: March 20, 2014
    Publication date: July 31, 2014
    Applicant: Endo Pharmaceuticals Inc.
    Inventors: Scott Kevin Thompson, Roger Astbury Smith, Sandeep Gupta, Tony Priestley, Nicholas James Laping, Ashis K. Saha, Sonali Rudra
  • Publication number: 20140155632
    Abstract: The invention relates to a process for preparing aryl- and heteroarylacetic acids and derivatives thereof by reaction of aryl or heteroaryl halides with malonic diesters in the presence of a palladium catalyst, of one or more bases and optionally of a phase transfer catalyst. This process enables the preparation of a multitude of functionalized aryl- and heteroarylacetic acids and derivatives thereof, especially also the preparation of arylacetic acids with sterically demanding substituents.
    Type: Application
    Filed: February 27, 2012
    Publication date: June 5, 2014
    Inventors: Thomas Himmler, Lukas J. Goossen, Felix Rudolphi, Bingrui Song
  • Publication number: 20130289278
    Abstract: Disclosed embodiments relate to improved methods for the synthesis of activated fumarate intermediates and their use in chemical synthesis. Disclosed embodiments describe the synthesis of activated fumarate esters including those derived from activating groups including: 4-nitrophenyl, diphenylphosphoryl azide, pivaloyl chloride, chlorosulfonyl isocyanate, p-nitrophenol, MEF, trifluoroacetyl and chlorine, for example, ethyl fumaroyl chloride and the subsequent use of the activated ester in situ. Further embodiments describe the improved synthesis of substituted aminoalkyl-diketopiperazines from unisolated and unpurified intermediates allowing for improved yields and reactor throughput.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 31, 2013
    Applicant: MANNKIND CORP
    Inventors: Kelly Sullivan Kraft, John J. Freeman, Paul Serwinski, Vinnie Pavia, Otto Phanstiel, IV, Navneet Kaur
  • Patent number: 8486998
    Abstract: The present invention, in one or more embodiments, comprises water-soluble derivatives of 3-n-pentadecylcatechol (poison ivy urushiol saturated congener) and/or 3-n-heptadecylcatechol (poison oak urushiol saturated congener) as compositions for the prevention and/or prophylactic treatment of contact dermatitis caused by poison ivy and poison oak. The present invention is also directed towards processes for making such compounds. Disclosed are compounds which are effective for tolerizing and desensitizing a subject against allergens contained in plants of the Anacardiaceae and Ginkgoaceae families comprising water soluble urushiol esters of general formula (I) Tolerizing and desensitizing mammals, including humans, to allergens contained in plants of the Anacardiaceae and Ginkgoaceae families is attained by administering a composition containing at least one water soluble urushiol ester compound.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: July 16, 2013
    Assignee: The University of Mississippi
    Inventors: Mahmoud A. Elsohly, Waseem Gul, Mohammad Khalid Ashfaq, Susan P. Manly
  • Publication number: 20130101667
    Abstract: The present application provides novel compounds and methods for preparing and using these compounds. These compounds are useful in treating pain, itch, overactive bladder and/or interstitial cystitis in patients by administering one or more of the compounds to a patient. The methods include administering a compound of formula (I) and a TRPV1 receptor activator. In one embodiment, the TRPV1 receptor activator is lidocaine.
    Type: Application
    Filed: October 24, 2012
    Publication date: April 25, 2013
    Applicant: ENDO PHARMACEUTICALS, INC.
    Inventor: Endo Pharmaceuticals, Inc.
  • Patent number: 8314214
    Abstract: Methods are disclosed for preparing compounds of Formula I: where R1, R3, and R4 are independently hydrogen or C1 to C4 alkyl, and R2 is: where R5 is selected from the group consisting of hydrogen and C1 to C4 alkyl, or where R6, R7 and R8 are independently hydrogen or C1 to C4 alkyl; or the esters or pharmacologically acceptable salts thereof. The methods can involve converting a suitably functionalized aniline compound to a diazonium salt (which aniline compound can be first formed by reduction of a nitrobenzene) and coupling the diazonium salt with a suitably functionalized benzene compound. The suitably functionalized aniline compound either includes a primary alcohol or aldehyde group, which is then oxidized to a carboxylic acid group, or includes a nitrile or amide group, which is hydrolyzed to a carboxylic acid group. The methods can also involve the direct coupling (via reduction of nitro groups to form an azo linkage) of suitably functionalized nitrobenzenes.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: November 20, 2012
    Assignee: Biocon Limited
    Inventors: Jennifer A. Riggs-Sauthier, Nnochiri N. Ekwuribe
  • Patent number: 8274213
    Abstract: Disclosed herein are novel electrochromic materials. The electrochromic materials produce various colors and have bistability to achieve red-green-blue full colors. Therefore, the electrochromic materials can be used in a variety of electrochromic devices. Also disclosed herein are electrochromic devices fabricated using the electrochromic materials.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: September 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Uk Son, Ji Min Lee, Chang Ho Noh
  • Patent number: 8258162
    Abstract: The present invention provides compounds represented by general formula (I): or pharmaceutical acceptable salts thereof, wherein R1 and R2 are each hydrogen, lower acyl, lower alkoxycarbonyl or the like; R3 is lower alkyl, halo-lower alkyl, cycloalkyl, heterocycloalkyl, optionally substituted aryl, optionally substituted heteroaryl or the like; R4 is cyano, lower alkoxycarbonyl, carboxy or the like, which exhibit potent COMT inhibitory activities. The present invention also provides pharmaceutical compositions containing said compound, and uses thereof.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: September 4, 2012
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Takehiro Ishikawa, Satoko Kobayashi, Hitoshi Inoue, Yasunori Ueno, Masako Yoshida, Nobuyuki Tanaka
  • Patent number: 8222200
    Abstract: Tertiary non-vinylic carbamates of molecular weight less than 350 are useful as fragrance ingredients. A method of preparation is also described.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: July 17, 2012
    Assignee: Givaudan SA
    Inventors: Felix Flachsmann, Jean-Pierre Bachmann
  • Publication number: 20120029211
    Abstract: A catalytic Wittig method utilizing a phosphine including the steps of providing a phosphine oxide precatalyst and reducing the phosphine oxide precatalyst to produce the phosphine; forming a phosphonium ylide precursor from the phosphine and a reactant; generating a phosphonium ylide from the phosphonium ylide precursor; reacting the phosphonium ylide precursor with the aldehyde, ketone, or ester to form the olefin and the phosphine oxide which then reenters the cycle. The invention is also directed to a Mitsunobu reaction catalytic in phosphine.
    Type: Application
    Filed: April 6, 2010
    Publication date: February 2, 2012
    Inventor: Christopher J. O'Brien
  • Publication number: 20110269834
    Abstract: Described herein are compounds and compositions, and methods for using the compounds and compositions, for treating respiratory diseases and illness, such as severe acute respiratory syndrome (SARS).
    Type: Application
    Filed: August 21, 2009
    Publication date: November 3, 2011
    Applicants: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS, PURDUE RESEARCH FOUNDATION
    Inventors: Arun K. Ghosh, Jun Takayama, Andrew David Mesecar, Michael E. Johnson, Kiira M. Ratia, Rima Chaudhuri, Debbie C. Mulhearn
  • Publication number: 20110245223
    Abstract: The present invention provides a compound represented by the following formula [1?] or a salt thereof: wherein ring A, R2, R3, R4 and X are as defined in the description, and an agent for the treatment or prophylaxis of a pathology involving glucocorticoid, or a 11?HSD1 inhibitor, containing the compound or a salt thereof.
    Type: Application
    Filed: December 1, 2010
    Publication date: October 6, 2011
    Applicant: Japan Tobacco Inc.
    Inventors: Hiroshi Yamamoto, Yasuhiro Ohe, Hiroyuki Goto, Kazuhito Harada, Shinji Yata, Takashi Ito, Jun Nishiu, Makoto Kakutani, Shunsuke Fujii, Kota Asahina
  • Publication number: 20110236400
    Abstract: Disclosed are novel gamma secretase inhibitors of the formula. Also disclosed are methods of inhibiting gamma-secretase, methods of treating neurodegenerative diseases, and methods of treating Alzheimer's Disease. Also disclosed are processes for preparing alkenes in one reaction step using a mixture of an aldehyde (or ketone) and an alkyl substituted with two electron withdrawing groups, and reacting the mixture with: (a) a sulfonyl halide (e.g., a sulfonyl chloride) and a basic tertiary amine, or, (b) a sulfonyl anhydride and a basic amine, or (c) an aryl-C(O)-halide and a basic tertiary amine, or (d) an aryl-C(O)—O—C(O)-aryl and a basic tertiary amine, or (e) an heteroaryl-C(O)-halide and a basic tertiary amine, or (f) a heteroaryl-C(O)—O—C(O)-heteroaryl and a basic tertiary amine.
    Type: Application
    Filed: July 1, 2008
    Publication date: September 29, 2011
    Inventors: Wen-Lian Wu, Thomas A. Bara, Duane A. Burnett, John W. Clader, Martin S. Domalski, Yan Jin, Hubert B. Josien, Hongmei Li, Xian Liang, Dmitri A. Pissarnitski, Thavalakulamgara K. Sasikumar, Jesse K. Wong, Ruo Xu, Zhiqiang Zhao, Paul E. McNamara
  • Patent number: 8022157
    Abstract: Disclosed herein is a surface functionalized poly(dimethylsiloxane) (PDMS) and methods for making the same. The surface functionalized poly(dimethylsiloxane) (PDMS) disclosed herein is applicable in the general field of microfluidics, bioMEMS (bio-microelectromechanical systems), soft lithography and other related biotechnology fields.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: September 20, 2011
    Assignee: Peking University
    Inventor: Hongwei Ma
  • Patent number: 7968721
    Abstract: This invention relates to a process for preparing a selective androgen receptor modulator (SARM) compound represented by the structure of formula I: wherein X is O; and T, Z, Y, Q, R and R1 are defined herein. The process includes coupling between an amide of formula II and a phenol of formula III followed by a purification step consisting of precipitating the compound of formula (I) in a mixture of alcohol and water alone.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: June 28, 2011
    Assignee: University of Tennessee Research Foundation
    Inventors: Duane D. Miller, Karen A. Veverka, Kiwon Chung
  • Publication number: 20110136827
    Abstract: The invention provides certain bis-acylated hydroxylamine derivative compounds, pharmaceutical compositions and kits comprising such compounds, and methods of using such compounds or pharmaceutical compositions. In particular, the invention provides methods of using such compounds or pharmaceutical compositions for treating, preventing, or delaying the onset and/or develop of a disease or condition. In some embodiments, the disease or condition is selected from cardiovascular diseases, ischemia, reperfusion injury, cancerous disease, pulmonary hypertension and conditions responsive to nitroxyl therapy.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 9, 2011
    Inventors: John P. Toscano, Art Sutton, Vincent J. Kalish, Frederick Arthur Brookfield, Stephen Martin Courtney, Lisa Marie Frost
  • Publication number: 20110092683
    Abstract: There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X?, and L2 represent various different possibilities. Methods for using such compounds are also provided.
    Type: Application
    Filed: December 21, 2010
    Publication date: April 21, 2011
    Applicant: VALORISATION-RECHERCHE, LIMITED PARTNERSHIP
    Inventors: André Charette, Jean-Christophe Poupon, Alessandro Boezio
  • Publication number: 20110021730
    Abstract: Disclosed herein is a surface functionalized poly(dimethylsiloxane) (PDMS) and methods for making the same. The surface functionalized poly(dimethylsiloxane) (PDMS) disclosed herein is applicable in the general field of microfluidics, bioMEMS (bio-microelectromechanical systems), soft lithography and other related biotechnology fields.
    Type: Application
    Filed: August 29, 2008
    Publication date: January 27, 2011
    Inventor: Hongwei Ma
  • Publication number: 20100331218
    Abstract: Compounds represented by the following structural formulas can be used as photoacid generators: Such compounds are useful, for example, in fabricating arrays of polymers.
    Type: Application
    Filed: September 14, 2010
    Publication date: December 30, 2010
    Applicant: Affymetrix, INC.
    Inventors: Glenn H. McGall, Andrea Cupoletti
  • Publication number: 20100004428
    Abstract: The invention provides methods for preparing polymers bearing a terminal propionic acid. The method involves first reacting a water soluble and non-peptidic polymer comprising at least one hydroxyl group with a tertiary alkyl acrylate in the presence of a catalyst to form a propionic acid ester of the polymer, wherein the polymer has a weight average molecular weight of at least about 10,000 Da; and then treating the propionic acid ester of the polymer with a strong acid to form a propionic acid of the polymer.
    Type: Application
    Filed: September 15, 2009
    Publication date: January 7, 2010
    Applicant: Nektar Therapeutics
    Inventors: Antoni Kozlowski, Samuel P. McManus
  • Patent number: 7625988
    Abstract: The present invention is directed to novel flame retardant monomers and polymers, wherein the flame retardant properties of the polymers are provided by functionality in pendant groups attached to a polymer backbone (as opposed to the polymer backbone itself possessing flame retardant properties. The present invention is also directed to methods of making such polymers and monomers, and articles of manufacture incorporating such monomers and polymers.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: December 1, 2009
    Assignee: William Marsh Rice University
    Inventors: James M. Tour, Joshua L. Jurs, Jason J. Stephenson
  • Publication number: 20090251046
    Abstract: Disclosed herein are novel electrochromic materials. The electrochromic materials produce various colors. The electrochromic materials can be used to form red electrochromic layers in a simple manner. Therefore, the electrochromic materials are suitable for use in the fabrication of RGB full-color electrochromic devices. Also disclosed herein are electrochromic devices fabricated using the electrochromic materials.
    Type: Application
    Filed: October 29, 2008
    Publication date: October 8, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Uk Son, Chang Ho Noh, Ji Min Lee
  • Publication number: 20090062149
    Abstract: Compounds represented by the following structural formulas can be used as photoacid generators: Such compounds are useful, for example, in fabricating arrays of polymers.
    Type: Application
    Filed: November 3, 2008
    Publication date: March 5, 2009
    Applicant: Affymetrix, INC.
    Inventors: Glenn H. McGall, Andrea Cuppoletti
  • Patent number: 7432388
    Abstract: Compounds of the formula where the variables have the values described in the specification are antagonists of RAR?retinoid receptors.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: October 7, 2008
    Assignee: Allergan, Inc.
    Inventors: Kwok Yin Tsang, Santosh Sinha, Xiaoxia Liu, Smita Bhat, Roshantha A. Chandraratna
  • Publication number: 20080221322
    Abstract: The present invention relates to chemical processes for the manufacture of certain quinazoline derivatives, or pharmaceutically acceptable salts thereof. The invention also relates to processes for the manufacture of certain intermediates useful in the manufacture of the quinazoline derivatives and to processes for the manufacture of the quinazoline derivatives utilising said intermediates. In particular, the present invention relates to chemical processes and intermediates useful in the manufacture of the compound 4-(4-fluoro-2-methylindol-5-yloxy)-6-methoxy-7-(3-pyrrolidin-1-ylpropoxy)quinazoline.
    Type: Application
    Filed: October 31, 2007
    Publication date: September 11, 2008
    Applicant: AstraZeneca AB
    Inventors: Euan Alexander Arnott, John Crosby, Mathew Charles Evans, James Gair Ford, Martin Francis Jones, Kevin William Leslie, Ian Michael McFarlane, George Joseph Sependa
  • Patent number: 7414040
    Abstract: Invented are non-peptide TPO mimetics. Also invented are novel processes and intermediates used in the preparation of the presently invented compounds. Also invented is a method of treating thrombocytopenia, in a mammal, including a human, in need thereof which comprises administering to such mammal an effective amount of a selected hydroxy-1-azobenzene derivative.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: August 19, 2008
    Assignee: SmithKline Beecham Corporation
    Inventor: Dirk A. Heerding
  • Publication number: 20080194859
    Abstract: The invention is directed to novel compounds that are used in the formation of polyurea compositions, including one-part and two-part polyurea compositions. The invention is also directed to polyureas formed from such compounds, cross-linked polyureas, and UV-stabilized polyureas.
    Type: Application
    Filed: May 16, 2005
    Publication date: August 14, 2008
    Inventors: Kenneth I. Sawyer, Robert J. Kupper
  • Patent number: 7351849
    Abstract: The present invention is to provide a method for producing the desired optically active ?-amino acid derivatives of high optical purities in high yields, without requiring a step of deprotection. More particularly, the present invention relates to a method for producing an optically active ?-amino acid derivative or a salt thereof represented by the formula (2): which comprises reacting an ?,?-unsaturated carboxylic acid derivative or a salt thereof represented by the formula (1): with an amines or a salt thereof in the presence of a chiral catalyst and in the presence or absence of an acid.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: April 1, 2008
    Assignee: Takasago International Corporation
    Inventors: Mikiko Sodeoka, Yoshitaka Hamashima
  • Patent number: 7314888
    Abstract: A compound or a salt thereof having the atom corresponding to N3 and the two or more atoms selected from N1, N2, N4 and N5, said atoms constitute the pharmacophore represented by the following formula: and inhibits the activity of transcription factor AP-1 and is useful as an agent for preventing and treating the diseases into which over expression of AP-1 participates and as an AP-1 inhibitor.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: January 1, 2008
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Hisaaki Chaki, Tadakazu Takakura, Keiichi Tsuchida, Hironori Kotsubo, Yukihiko Aikawa, Shuichi Hirono, Shunichi Shiozawa
  • Patent number: 7282605
    Abstract: The present invention provides a process for producing an optically active 2-allylcarboxylic acid derivative, which is useful as a pharmaceutical intermediate, from readily available and inexpensive starting materials by the process which can be practiced on a commercial scale in a simple and easy manner, and certain 2-allylcarboxamide derivatives, which are novel and important intermediates in that process. An N-allylcarboxamide derivative undergoes rearrangement reaction diastereoselectively in the presence of a base to give a 2-allylcarboxamide derivative, the resulting derivative is subjected to a carbamation reaction and solvolysis to give an optically active 2-allylcarboxylic acid ester, and then the ester obtained is stereoselectively hydrolyzed using an enzyme to produce 2-allylcarboxylic acid having a high optical purity. In addition, the present invention provides a 2-allylcarboxamide derivative compound which is a novel intermediate in the process of the present invention.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: October 16, 2007
    Assignees: Kaneka Corporation, Ono Pharmaceutical Co., Ltd.
    Inventors: Kazumi Okuro, Susumu Amano, Noriyuki Kizaki, Teruaki Takesue, Masaru Mitsuda, Noriyuki Ito, Yoshihiko Yasohara
  • Patent number: 7244864
    Abstract: The invention relates to a process for the preparation of a compound of formula (I), wherein R represents a 2,3-dihydroxy-1-propyl or a 1,3-dihydroxy-2-propyl radical, via direct amidation of a dialkyl ester of 5-amino-1,3-benzenedicarboxylic acid of formula (V), wherein R1 represents a straight or branched (C1-C4)-alkyl group, with at least the stoichiometric amount of an amine of formula H2NR.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: July 17, 2007
    Assignee: Bracco Imaging S.p.A.
    Inventors: Pier Lucio Anelli, Marino Brocchetta, Giovanna Lux, Enrico Cappelletti
  • Patent number: 7138538
    Abstract: Process for the separation of enantiomers comprising at least one free functional group, in which process a reagent based on an enantiopure amino acid is reacted in basic medium with a mixture comprising enantiomers.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: November 21, 2006
    Assignee: Solvay (Societe Anonyme)
    Inventors: Thierry Delplanche, Roland Callens
  • Patent number: 7094919
    Abstract: Methods for preparing substituted aromatic carboxylic acid esters are described. In particular, the invention relates a method for preparing a nitro-substituted aromatic carboxylic acid ester: Additionally the invention relates to a method for preparing a thioether-substituted aromatic carboxylic acid ester: Such aryl esters are useful in the preparation of various agrochemicals and agrochemical intermediates.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: August 22, 2006
    Assignee: Eastman Chemical Company
    Inventors: Neil W. Boaz, M. Todd Coleman, Timothy R. Hightower
  • Patent number: 7037938
    Abstract: The present invention relates to a compound formula [I]: wherein Y is bond, —O—(CH2)n— (in which n is 1, 2, 3 or 4), etc., Z is cyano, tetrazolyl, etc., R1 is hydrogen, lower alkyl, etc., R2 is hydrogen or an amino protective group, R3 is hydrogen or lower alkyl, R4 is hydrogen or lower alkyl, R5 and R8 are each independently hydrogen, halogen, hydroxy, lower alkyl, etc., R6 is hydrogen, lower alkyl, etc., R9 is hydrogen or lower alkyl, and i is 1 or 2, or a salt thereof. The compound [I] of the present invention and pharmaceutically acceptable salts thereof are useful for the prophylactic and/or the therapeutic treatment of pollakiurea or urinary incontinence.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: May 2, 2006
    Assignee: Astellas Pharma Inc.
    Inventors: Kouji Hattori, Yasuyo Tomishima, Masashi Imanishi
  • Patent number: 7012151
    Abstract: The present invention relates to a process for the highly regioselective aromatic nitration of alkyl 4-alkanoylamino-3-alkyl-benzoates in the 5-position in a mixture containing nitric acid and the use of the resulting products for preparing, in particular, pharmaceutically active benzimidazole derivatives.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: March 14, 2006
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Margarete Schneider, Heinrich Schneider
  • Patent number: 6949585
    Abstract: The present invention provides a compound which has cytokine production inhibitory activity and is useful for the treatment of diseases which is associated with cytokine. The compound is represented by the following general formula (I) [wherein A represents a cyclic group which may be substituted; the partial structure -DE- represents a group represented by —CH2CH2— or —CH?CH—; W represents a group represented by —CH2—, —CH2CH2—, —CH?CH— or —CH?; the partial structure >XY— represents a group represented by >CH—(CH2)n—, >C?CH—, >CH—CH2—CH(OH)—, >CH—CH2—C(?O)—, >CH—O— or >CH—O—CO—, provided that when W is —CH?, then XY— represents C—(CH2)p—; Z represents a divalent aliphatic hydrocarbon group; R1 and R2, which may be the same or different, each represents a hydrogen atom, or a hydroxyl, alkoxy or alkoxyalkoxy group; m is an integer of 0 or 1].
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: September 27, 2005
    Assignee: Eisai Co., Ltd.
    Inventors: Yoshihito Eguchi, Ken-ichi Chiba, Masaki Goto, Hiroshi Obaishi, Yoshikazu Kuboi
  • Patent number: 6855842
    Abstract: The invention concerns novel nitroaromatic compounds of general formula (I?) wherein: R, R?1, R2, Z and n are as defined in claim 1. The invention also concerns a method for preparing nitroaromatic compounds nitrated in position 4. The invention further concerns the use of said compounds for preparing heterocyclic benzofuran or benzothiophene derivatives nitrated in position 5. The invention concerns particularly the preparation of 2-alkyl-5-nitrobezofuran.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: February 15, 2005
    Assignee: Rhodia Chimie
    Inventors: Thierry Schlama, Armand Mettling, Philippe Karrer
  • Publication number: 20040204604
    Abstract: An improved catalyst is disclosed for a process involving the preparation of benzylidene intermediates useful in the preparation of 1,4-dihydropyridine compounds and derivatives thereof useful as medicines such as for example felodipine. This is accomplished by the condensation of an aldehyde and an acetoacetate in the presence of a novel catalyst system that includes a pyridyl carboxylic acid and a secondary amine. It has been found that through the use of the present invention the purity and yield of the desired isomer of the benzylidene intermediate can be maximized, thus avoiding the requirement of additional purification steps. The use of these intermediates can then be further reacted to form the required dihydropyridines, again having a very high purity and yield compared with the prior art.
    Type: Application
    Filed: April 8, 2004
    Publication date: October 14, 2004
    Inventors: Daqing Che, Bhaskar Reddy Guntoori, K. S. Keshava Murthy
  • Publication number: 20040204370
    Abstract: Certain N-deacetylcolchicine and N-deacetylthiocolchine derivatives are described wherein the 7-N position on the B ring is substituted with the group —C(O)—(CHR4)m-AR, wherein m is an integer of 0-10, A is S, O, N or a covalent bond; R1 is substituted phenyl or substituted benzoyl; optionally substituted cycloalkyl of 3-7 carbons; optionally substituted naphtyl; an optionally substituted imide ring; an optionally substituted 5 or 6 member heterocycle with at least one N, S, or O in the ring; or an optionally substituted fused heterocyclic or fused carboxyclic ring system; R2 (at the 2-position of the A ring) is methoxy, hydroxy, or methylenedioxy when taken together with R3; R3 (at the 3-position of the A ring) is methoxy, hydroxy, a monosaccharide radical, or is methylenedioxy when taken together with R2; and R4 is H or is H or methyl when m is 1. Also dimers of such compounds are disclosed.
    Type: Application
    Filed: April 14, 2003
    Publication date: October 14, 2004
    Inventor: Li-Xi Yang
  • Publication number: 20040171865
    Abstract: The present invention relates to a method of preparing a phenoxy alkanoic, alkenoic, or alkynoic acid or a salt thereof from a phenoxy containing compound via a dicarboxylate intermediate. The phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof prepared by this method are suitable for use in composition for delivering active agents via oral or other routes of administration to animals. Furthermore, the present invention relates to phenoxy dicarboxylic acids and their salts for delivering active agents, such as biologically or chemically active agents, to a target.
    Type: Application
    Filed: April 7, 2004
    Publication date: September 2, 2004
    Inventor: Joseph N. Bernadino
  • Publication number: 20040127737
    Abstract: Carboxylic acid benzyl esters can be prepared by reacting dibenzyl ethers with carboxylic anhydrides in the presence of acid, optionally applied to a support, as catalyst.
    Type: Application
    Filed: September 17, 2003
    Publication date: July 1, 2004
    Inventors: Pieter Ooms, Bernd-Ulrich Schenke
  • Patent number: 6753347
    Abstract: This invention provides a process for the preparation of a benzimidazole derivative (I) or a pharmaceutically acceptable salt thereof, wherein R1 is C1-C6 alkyl, C1-C6 alkoxyl, etc., R2 is C1-C6 alkyl, and R3 is hydrogen or a protecting group, which exhibits excellent hyopoglycemic action, said process comprising condensation of an amine derivative (III) with a carboxylic acid derivatives (II) to afford a compound (IV), followed by cyclization of compound (IV) in the presence of an acid.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: June 22, 2004
    Assignee: Sankyo Company, Limited
    Inventors: Naoyuki Kishi, Yoshitaka Nakamura, Narumi Abe, Toyonori Takebayashi