Chalcogen Attached Directly To Ring Sulfur Of The Hetero Ring By Nonionic Bonding Patents (Class 549/67)
  • Patent number: 9238636
    Abstract: The invention relates to a novel process for the preparation of dronedarone (I) and pharmaceutically acceptable salts thereof, which comprises reacting of compound of formula (IV) with compound of formula (VI) in a Grignard reaction, and the obtained product is isolated and, if desired, converted into a pharmaceutically acceptable salt thereof. The invention also relates to some novel intermediary compounds and processes for the preparation thereof.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: January 19, 2016
    Assignee: SANOFI
    Inventors: Csaba Huszár, Adrienn Hegedus, Zsolt Dombrády
  • Patent number: 8652364
    Abstract: A polymer film comprising at least one compound represented by formula (I) is disclosed. A1 and A2 each independently represent a group having a Hammett's ?p value of 0.2 or more, or bond each other to form a cyclic active methylene structure; and X1 and X2 each independently represent a hydrogen atom, aryl group, hetero-cyclic group, cyano, N-alkyl- or N-aryl-carbamoyl, or alkyl- or aryl-oxycarbonyl, or bond each other to form a saturated ring in which nitrogen and carbon atoms are embedded, and the group and ring may have at least one substituent.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: February 18, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Shunya Katoh, Hiroko Kamee
  • Patent number: 8389202
    Abstract: A polymer includes a repeating unit shown by a general formula (1). R1 represents a hydrogen atom, a methyl group, a fluorine atom, or a trifluoromethyl group. R2 represents a substituted or unsubstituted aryl group having 6 to 22 carbon atoms. Y represents a carbon atom. X represents —X1Z1X2— which is an atomic group which forms a cyclic structure including a heteroatom together with Y. Z1 represents —O—, —S—, —CO—, —COO—, —SO—, or —SO2—. Each of X1 and X2 individually represents a single bond, a methylene group, or an alkylene group having 2 to 25 carbon atoms. Each of X1 and X2 is unsubstituted or substituted with a substituent, and optionally a carbon atom included in X1 and a carbon atom included in X2 are bonded via a divalent group.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: March 5, 2013
    Assignee: JSR Corporation
    Inventors: Ken Maruyama, Toru Kimura
  • Patent number: 8188142
    Abstract: The compounds shown below. R is —O—, —O—(CH2)n—O—, or —(O—CH2—CH2)n—O—; and n is a positive integer. Heating an allyl ether compound in the presence of Fe(CO)5 and a base to form the below propenyl ether monomer. Polymerizing the below propenyl ether monomer.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: May 29, 2012
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventor: Andrew P Purdy
  • Patent number: 7973180
    Abstract: The present invention provides a method for the production of an aqueous dispersion containing an electroconductive polymer component which enables electroconductive thin films which are outstanding in their transparency and electroconductivity to be formed, together with the aqueous dispersion obtained by said method. This method includes a stage in which a 3,4-dialkoxythiophene is polymerized in an aqueous solvent using an oxidizing agent in the presence of a polyanion and, in this stage, said oxidizing agent is added by the dropwise addition of a solution or dispersion containing said oxidizing agent to the reaction solution or, alternatively, in the polymerization stage, the alkali metal ion concentration in the reaction liquid is maintained at no more than 400 ppm.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: July 5, 2011
    Assignee: H.C. Starck GmbH
    Inventors: Yoshiyuki Morita, Yasuo Chikusa, Kyoko Miyanishi, Stephan Kirchmeyer, Wilfried Loevenich
  • Publication number: 20090182155
    Abstract: The compounds shown below. R is —O—, —O—(CH2)n—O—, or —(O—CH2—CH2)n—O—; and n is a positive integer. Heating an allyl ether compound in the presence of Fe(CO)5 and a base to form the below propenyl ether monomer. Polymerizing the below propenyl ether monomer.
    Type: Application
    Filed: July 16, 2008
    Publication date: July 16, 2009
    Applicant: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventor: Andrew P. Purdy
  • Patent number: 7485734
    Abstract: A method of making 3-alkoxytetraalkylene sulfone. The method includes mixing an alcohol and a catalyst to form a first mixture. Alkadiene sulfone is reacted with the first mixture to form a reaction product. The reaction product is contacted with water at conditions sufficient to provide an organic phase and an inorganic phase. Subsequent to contacting the reaction product with water, the organic phase and inorganic phase are separated from one another.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: February 3, 2009
    Assignee: Afton Chemical Corporation
    Inventors: Abbas Kadkhodayan, Nubar Ozbalik
  • Patent number: 6858741
    Abstract: The present invention relates to new compounds of the formula (I) in which X represents halogen, Y represents halogen or alkyl and Z represents halogen or alkyl, with the proviso that always one of the radicals Y and Z represents halogen while the other represents alkyl, and Het represents one of the groups in which A, B, D and G have the meanings given in the description, to a plurality of processes for their preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: February 22, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Peter Dahmen, Markus Dollinger, Hans-Joachim Santel, Alan Graff, Wolfram Andersch, Norbert Mencke, Andreas Turberg
  • Patent number: 6465060
    Abstract: Tetrahydrothiophene derivatives of the formula (I) R1—X—(A1—M1)a—(A2—M2)b—A3—Y—T—Z—R2  (I) where the symbols and indices have the following meanings, for example: T is undirected and is tetrahydrothiophene-2,5-diyl or tetrahydrothiophene-2,4-diyl R1 is hydrogen or a straight-chain or branched C1-20-alkyl or C2-20-alkenyl radical (with or without asymmetric carbon atoms), R2 is hydrogen or a straight-chain or branched alkyl radical (with or without asymmetric carbon atoms) having 1 to 20 carbon atoms, X is a single bond, —O—, OC(═O)—, —C(═O)O— or —OC(═O)O— Y is —OC(═O)—, —SC(═O)—, —OCH2— or —CH2CH2— Z is a single bond or —O— A1, A2 and A3 are undirected different and are each, independently of one another phenylene-1,4-diyl, M1 and M2 are undirected and are each, independently of one another —OC(&boxH
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: October 15, 2002
    Assignee: Clariant International Ltd.
    Inventors: Rainer Wingen, Barbara Hornung, Wolfgang Schmidt
  • Patent number: 6323315
    Abstract: The present invention provides compounds of the formula where R1-R5 are each, independently, a hydrogen atom or a normal or branched C1-C6-alkyl group; A is a methionyl, phenylalanyl or phenylglycyl residue; n is 0 or 1; R6 is a hydrogen atom; and R7 is a carbocylic group, an aromatic group, a C1-C4-alkyl group, a pyridylalkyl group or a heterocyclic group. In another embodiment, R6 is benzyl or —C(O)OR8, where R8 is a C1-C6-alkyl group, and R7 is a heteroaromatic group, such as a 2-thiazolyl group.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: November 27, 2001
    Assignees: BASF Aktiengesellschaft, Arizona Board of Regents
    Inventors: George R. Pettit, Jayaram K. Srirangam, Michael D. Williams, Kieran P. M. Durkin, Teresa Barlozzari, Andreas Kling, Bernd Janssen, Andreas Haupt
  • Patent number: 5856323
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i. e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 5, 1999
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5831114
    Abstract: Substituted N-phenyl- and N-heteroarylalkylcarbamates of formula (I), in which Q is a group (1), (2) or (3); R is halogen, trifluoromethyl, cyano, nitro or C.sub.1 -C.sub.3 haloalkoxy; Z is hydrogen or halogen; or Z and R together in the 2- and 3-position of the phenyl ring form a group --OCF.sub.2 O--; R.sub.1 is C.sub.1 -C.sub.5 alkyl; R.sub.2, R.sub.3, R.sub.4 and R.sub.5, independently of one another, are hydrogen, methyl or ethyl; X is oxygen, sulfur, --SO-- or --SO.sub.2 --, Y is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy or cyano; n is 0, 1 or 2; n.sub.1 is 0 or 1; and m is 0 or 1, with the proviso that m is 1 if Q is group (1) or (2); and the diastereomers and enantiomers thereof, exhibit pre- and post-emergence herbicidal properties. The preparation of these compounds and their use as herbicidally active ingredients are described.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: November 3, 1998
    Assignee: Novartis Finance Corporation
    Inventors: Hermann Rempfler, Fredrik Cederbaum, Felix Spindler, Willy Urs Lottenbach
  • Patent number: 5648486
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: July 15, 1997
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5541219
    Abstract: This invention is directed to 1-alkoxy-2-(alkoxy- or cycloalkyloxy-)-4-(cyclothioalkyl- or cyclothioalkenyl-)benzene compounds that inhibit cyclic AMP phosphodiesterase or tumor necrosis factor (TNF) and are useful in treating patients suffering from disease state capable of being modulated by inhibiting production of cyclic AMP phosphodiesterase or TNF by administering the compound to the patient. The invention is also directed to the preparation of these compounds, pharmaceutical compositions containing these compounds and methods for their pharmaceutical use.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: July 30, 1996
    Assignee: Rhone-Poulenc Rorer Limited
    Inventors: Garry Fenton, Jonathan S. Mason, Malcolm N. Palfreyman, Andrew J. Ratcliffe
  • Patent number: 5434151
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: July 18, 1995
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5403857
    Abstract: The invention concerns benzenesulphonamide derivatives of the formula I ##STR1## wherein R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; R.sup.2 and R.sup.3 together form -A.sup.2 -X.sup.2 -A.sup.3 - which defines a ring having 5 or 6 ring atoms, wherein A.sup.2 and A.sup.3 each is (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl or sulphonyl; A.sup.1 is a direct link to X.sup.1 or is (1-3C) alkylene; X.sup.1 is oxy, thio or imino; Ar is optionally substituted phenylene; R.sup.4 is (1-4C)alkyl, fluoro-(2-4C)alkyl or optionally substituted phenyl or a heterocyclic moiety; R.sup.5 is hydrogen or (1-4C)alkyl; and R.sup.6 is hydrogen, halogeno, trifluoromethyl, (1-4C)alkyl or (1-4C)alkoxy; or a pharmaceutically-acceptable salt thereof;processes for their manufacture; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: April 4, 1995
    Assignees: Imperial Chemical Industries PLC, ICI-Pharma
    Inventors: Philip N. Edwards, Keith Oldham, David Waterson
  • Patent number: 5358938
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl terahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiphenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: October 25, 1994
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Saijat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5319103
    Abstract: Diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(1S-oxo-3R-thiolanylthio)-2-penem-3-carboxylic acid and 5R,6S-6-(1R-hydroxyethyl)-2-(1R-oxo-3S-thiolanylthio)-2-penem-3-carboxylic acid, and pharmaceutically-acceptable salts and in vivo hydrolyzable esters thereof, useful as systemic antibacterial agents; and intermediates and processes which are useful in the said synthesis of said diastereoisomers.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: June 7, 1994
    Assignee: Pfizer Inc.
    Inventor: Robert A. Volkmann
  • Patent number: 5290953
    Abstract: A process for producing sulfolane compounds is provided which comprises: (1) contacting a conjugated diene with sulfur dioxide under conditions sufficient to synthesize a sulfolene compound whereby a mixture of the sulfolene compound and impurities comprising unreacted sulfur dioxide is produced; (2) transferring the mixture, at a temperature in the range of about 55.degree. C. to about 85.degree. C., to an impurities removal reactor containing a solvent; (3) removing the impurities under an elevated pressure to produce an impurities-reduced sulfolene compound; (4) transferring the impurities-reduced sulfolene compound to a hydrogenation reactor; (5) contacting said impurities-reduced sulfolene compound with hydrogen, in the presence of a hydrogenation catalyst, under conditions sufficient to produce a sulfolane compound; and (6) optionally recovering said sulfolane compound.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: March 1, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Earl Clark, Jr., Jimmie J. Straw
  • Patent number: 5216002
    Abstract: Provided is a method of treating inflammatory bowel disease in mammals utilizing certain benzyl-substituted rhodanine derivatives. Also provided are novel benzyl-substituted rhodanine derivatives and pharmaceutical compositions thereof, as well as a novel process for selectively isolating in substantially pure enantiomeric form the enantiomers of certain racemic benzyl-substituted rhodanine derivatives.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: June 1, 1993
    Assignee: Eli Lilly and Company
    Inventors: Jaswant S. Gidda, Jill A. Panetta, Michael L. Phillips
  • Patent number: 4885355
    Abstract: Water-soluble sulfonium salts are converted, without the elimination of odorous volatile by-products, to water-insoluble products useful as binders in coating formulations by heating a water-soluble cyclic sulfonium salt in which the sulfonium sulfur is bonded only to aliphatic carbons.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: December 5, 1989
    Assignee: The Dow Chemical Company
    Inventors: Ritchie A. Wessling, Donald L. Schmidt, Kiyoshi I. Aikawa
  • Patent number: 4643849
    Abstract: This invention relates to amine derivatives and salts thereof. These compounds have an anti-ulcer activity which is effective to human beings and animals. This disclosure relates to such compounds, a process for the preparation thereof and an anti-ulcer agent containing the same.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: February 17, 1987
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Shiro Hirai, Hiroshi Hirano, Hirotoshi Arai, Yasuo Kiba, Hisanari Shibata, Yoshikazu Kusayanagi, Minako Yotsuji, Kazuhiko Hashiba, Kikuko Tanada
  • Patent number: 4267351
    Abstract: Cyclic sulfonate-sulfate anhydrides are produced by the reaction of an .alpha.- or .beta.-type sulfolene compound with SO.sub.3. Reaction of the cyclic sulfonate-sulfate anhydrides with alcohols produces alkyl esters of hydroxysulfolane sulfonic acids. The cyclic sulfonate-sulfate anhydrides or the alkyl esters of hydroxysulfolane sulfonic acids can be hydrolyzed to hydroxysulfolane sulfonic acids or their respective salts. The latter can be acylated to alkylcarbonyloxysulfolane sulfonic acids.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: May 12, 1981
    Assignee: Phillips Petroleum Company
    Inventors: Van C. Vives, John E. Mahan