Patents Examined by D. Margaret M. Mach
  • Patent number: 5670684
    Abstract: The present invention provides novel intermediates which are useful for the preparation of excitatory amino acid receptor antagonists. Further provided is a process to enatioselectively prepare hydroisoquinoline compounds with central nervous system activity.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: September 23, 1997
    Assignee: Eli Lilly and Company
    Inventors: Anita Melikian-Badalian, Paul L. Ornstein
  • Patent number: 5670512
    Abstract: This invention relates to hexa- and octaahydrobenzo?f!quinolin-3-ones, pharmaceutical formulations containing those compounds and methods of their use as steroid 5.alpha.-reductase inhibitors.
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: September 23, 1997
    Assignee: Eli Lilly and Company
    Inventors: James E. Audia, Kenneth S. Hirsch, Charles D. Jones, David E. Lawhorn, Loretta A. McQuaid, Leland O. Weigel
  • Patent number: 5668150
    Abstract: Compounds having the formula ##STR1## wherein W and Y are independently selected from optionally substituted quinolyl, optionally substituted benzothiazolyl, optionally substituted benzoxazolyl, optionally substituted benzimidazolyl, optionally substituted quinoxalyl, and optionally substituted naphthyl with the proviso that W and Y are not simultaneously the same substituent; R.sup.1 and R.sup.2 are independently hydrogen, alkyl, haloalkyl, alkoxy, or halogen; R.sup.3 is hydrogen or alkyl; X is absent or is alkylene, alkenylene, or alkynylene; and M is selected from (a) a pharmaceutically acceptable metabolically cleavable group, (b) --OR.sup.4 wherein R.sup.4 is hydrogen or alkyl; and (c) --NR.sup.5 R.sup.6 wherein R.sup.5 and R.sup.6 are independently selected from hydrogen, alkyl, hydroxy and alkoxy are disclosed. These compounds inhibit leukotriene biosynthesis and are useful in the treatment of allergic and inflammatory disease states.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: September 16, 1997
    Assignee: Abbott Laboratories
    Inventors: Clint D.W. Brooks, Teodozyj Kolasa, David E. Gunn
  • Patent number: 5665735
    Abstract: Disclosed is a compound of Formula 1.0: ##STR1## or a pharmaceutically acceptable salt or solvate thereof, wherein: AR.sup.1 represents ##STR2## AR.sup.2 represents ##STR3## or a five-membered heterocyclic aromatic group selected from the group consisting of Formulas I to XII, wherein the substitutable carbon atoms of the five-membered heterocyclic group can optionally be substituted with a group R.sup.1.Also disclosed are pharmaceutical compositions containing compounds of Formula 1.0.Further disclosed is a method for treating asthma, allergy and inflammation by administering an anti-asthmatic, anti-allergic or anti-inflammatory, respectively, effective amount of a compound of Formula 1.0.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 9, 1997
    Assignee: Schering Corporation
    Inventors: Richard Friary, John J. Piwinski, Jesse K. Wong
  • Patent number: 5665886
    Abstract: The invention concerns compounds of formula: ##STR1## in which Am.sup.+ represents a substituted 1-pyridylium radical, a substituted 3-thiazolylium radical, a substituted 1-pyridazinylium radical or a substituted 3-imidazolylium radical, and their salts with mineral or organic acids, whether in their optically pure or racemic form. The invention also concerns a process for the preparation of these compounds and pharmaceutical compositions containing them. Activity: antagonists of neurokinin receptors.
    Type: Grant
    Filed: November 24, 1995
    Date of Patent: September 9, 1997
    Assignee: Sanofi
    Inventors: Nathalie Chabert, Xavier Emonds-Alt, Vincenzo Proietto, Didier Van Broeck
  • Patent number: 5656634
    Abstract: Compounds of the formula ##STR1## the pharmaceutically acceptable salts thereof, wherein Q and R.sup.1 are as defined below, and novel carboxylic acid and acid halide intermediates used in the synthesis of such compounds. The compounds of formula I are inhibitors of acyl coenzyme A: cholesterol acyltransferase (ACAT) and are useful as hypolipidemic and antiatherosclerosis agents.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: August 12, 1997
    Assignee: Pfizer Inc.
    Inventors: George Chang, Ernest S. Hamanaka, Peter A. McCarthy, Thien V. Truong, Frederick J. Walker
  • Patent number: 5652369
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and --N(R.sup.7)--CH(R.sup.8)(R.sup.9) are as claimed herein or their pharmaceutically acceptable acid addition salts inhibit proteases of viral origin and can be used as medicaments for the treatment of viral infections. They can be manufactured according to generally known procedures.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: July 29, 1997
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Balraj Krishan Handa, Peter James Machin, Joseph Armstrong Martin, Sally Redshaw, Gareth John Thomas
  • Patent number: 5652260
    Abstract: The subject invention provides for novel compounds for inactivating viruses. These compounds include 6-nitroso-1,2-benzopyrone, 3-nitrosobenzamide, 5-nitroso-1(2H)-isoquinolinone, 7-nitroso-1(2H)-isoquinolinone, 8-nitroso-1(2H)-isoquinolinone. The invention also provides for compositions containing one or more of the compounds, and for methods of treating viral infections, cancer, infectious virus concentration with the subject compounds and compositions.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 29, 1997
    Assignee: Octamer, Inc.
    Inventors: Ernest Kun, Jerome Mendeleyev, William C. Rice
  • Patent number: 5652368
    Abstract: Disclosed herein are substituted or unsubstituted 1,2,3,4-tetrahydroquinoline-2,3,4-trione-3 or 4-oximes or pharmaceutically acceptable salts thereof that have high binding to the glycine receptor and are usefully administered to animals for the treatment or prevention of the adverse consequences of the hyperactivity of the excitatory amino acids, or neuronal loss associated with stroke, ischemia, CNS trauma, hypoglycemia and surgery, for the treatment of anxiety, chronic pain, convulsions, and neurodegenerative diseases including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease and Down's syndrome; and for the inducement of anesthesia.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: July 29, 1997
    Assignees: The Regents of the University of California, State of Oregon, acting by and through the Oregon State Board of Higer Education, acting for and on behalf of the Oregon Health Sciences University, University of Oregon
    Inventors: Sui Xiong Cai, John F. W. Keana, Eckard Weber
  • Patent number: 5652367
    Abstract: Unsubstituted or substituted halo nitro and nitroso compounds and their metabolites are potent, selective and non-toxic inhibitors and supressants of cancer growth and vital infections in a mammalian host. The compounds are particularly useful for treatment and supression of tumors and viruses associated with breast cancer, AIDS, herpetic episodes and cytomegaloviral infections. The methods of treatment of tumorigenic and vital diseases by halo nitro and nitroso compounds and their metabolites are described.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 29, 1997
    Inventors: Ernest Kun, Jerome Mendeleyev, Eva Kirsten
  • Patent number: 5650514
    Abstract: The present invention relates to 3-substituted quinoline-5-carboxylic acid derivatives and processes for their preparation.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: July 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Michael Negele, Karl-Heinz Wahl, Jan-Bernd Lenfers, Samir Samaan
  • Patent number: 5650517
    Abstract: 2,3-Difluoro-5-halopyridines of the formula I ##STR1## wherein X is Cl or Br are prepared by a process which comprises reacting a starting 2,3,5-trihalopyridine of the formula II ##STR2## wherein each X is individually Br or Cl and Y is F, Cl or Br with an effective amount of potassium fluoride in the presence of a mixture of sulfolane and a tetralkylurea and/or a dialkyl-alkyleneurea as diluent, at an effective temperature up to the boiling point of the diluent, optionally in the presence of a phase-transfer catalyst such as a crown ether or polyglycol ether. The compounds are useful as intermediates to prepare herbicides.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: July 22, 1997
    Assignee: Ciba-Geigy Corporation
    Inventor: Balakrishnan Venugopal
  • Patent number: 5648368
    Abstract: Novel fibrinogen receptor antagonists of the formula:X--Y--Z--Aryl--A--Bare provided in which the claimed compounds exhibit fibrinogen receptor antagonist activity, inhibit platelet aggregation and are therefore useful in modulating thrombus formation.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 15, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Melissa S. Egbertson, Laura M. Vassallo, George D. Hartman, Wasyl Halczenko, David B. Whitman, James J. Perkins, Amy E. Krause, Nathan Ihle, David Alan Claremon, William Hoffman, Mark E. Duggan
  • Patent number: 5648495
    Abstract: The present invention relates to a process for the preparation of 5-substituted 2-chloropyridines of the formula (I) ##STR1## by reaction of acetenamides of the formula (II) ##STR2## with Vilsmeier reagent, which is prepared by reaction of dialkylformamides of the formula (III) ##STR3## with a chlorinating agent, the excess of which is removed from the reaction mixture by distillation or by addition of dialkylformamide after completion of the reaction of the Vilsmeier reagent with the acetenamide of the formula (II), wherein in the formulae (I)-(III):R represents optionally substituted alkyl or aralkyl,R.sup.1 represents C.sub.1 -C.sub.4 -alkyl or aryl-C.sub.1 -C.sub.4 -alkyl,R.sup.2 and R.sup.3 represent straight-chain, branched or cyclic C.sub.4 -C.sub.8 -alkyl.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Jelich, Hans Lindel, Christoph Mannheims, Reinhard Lantzsch, Walter Merz
  • Patent number: 5648493
    Abstract: Process for the preparation of antibacterial compounds of the formula ##STR1## comprises condensing an oxo compound of the formula ##STR2## with an amino compound of the formula ##STR3## to produce a compound of the formula ##STR4## reacting the compound of the formula (III) with a compound of the formula ##STR5## to give a compound of the formula ##STR6## and then eliminating the amino-protective group ##STR7##
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller, Karl Georg Metzger, Rainer Endermann, Hans-Joachim Zeiler
  • Patent number: 5646163
    Abstract: The invention relates to antimicrobial 5-(N-heterosubstituted amino) quinolone compounds having a structure according to Formula (I) or (II): ##STR1## wherein (1) R.sup.1, R.sup.2, R.sup.3, R.sup.9 and R.sup.10 form any of a variety of quinolone and related heterocyclic structures similar to those known in the art to have antimicrobial activity; and(2)(a) R.sup.4 and R.sup.5 are, independently, hydrogen; lower alkyl; cycloalkyl; heteroalkyl; or --C(.dbd.O)--X--R.sup.8, where X is a covalent bond, N, O, or S, and R.sup.8 is lower alkyl, lower alkenyl, arylalkyl, a carbocylic ring, or a heterocyclic ring; or(b) R.sup.4 and R.sup.5 together comprise a heterocyclic ring that includes the nitrogen to which they are bonded;and the pharmaceutically-acceptable salts, biohydrolyzable esters, biohydrolyzable amides, and solvates thereof.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: July 8, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Thomas Prosser Demuth, Jr., Ronald Eugene White
  • Patent number: 5643919
    Abstract: Compound of general formula I ##STR1## wherein A is a benzo or thieno group;R.sub.1 is (C.sub.4-6)cycloalkyl, (C.sub.4-6)cycloalkyl-(C.sub.1-5)alkyl or ##STR2## R.sup.2, m, R.sup.3, R.sup.4, R and u are defined as in the specification, and pharmaceutical preparations containing this compound and the new pharmaceutical uses thereof.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 1, 1997
    Assignee: Boehringer Ingelheim KG
    Inventors: Dietrich Arndts, Walter Losel, Otto Roos
  • Patent number: 5641788
    Abstract: The present invention provides a novel quinoline derivative useful as an anti-inflammatory agent, particularly an agent for treating arthritis, or a salt thereof. The present invention also provides a composition, particularly an anti-inflammatory composition for pharmaceutical use, comprising the novel quinoline compound of formula (I): ##STR1## wherein G is an acyl group, optionally protected hydroxyalkyl group, amidated carboxyl group or halogen atom;X is an oxygen atom, optionally oxidized sulfur atom or --(CH.sub.2).sub.q -- in which q is an integer of 0 to 5;R is an optionally substituted amino group or optionally substituted heterocyclic group;each of the ring A and ring B may optionally be substituted; andk is 0 or 1.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: June 24, 1997
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takashi Sohda, Haruhiko Makino, Atsuo Baba
  • Patent number: 5641789
    Abstract: Compounds of the formula ##STR1## and pharmaceutically acceptable salts and prodrugs thereof, wherein X.sup.1, Ar, X, Y.sup.1, R.sup.1, R.sup.2, R.sup.3, R.sup.5 and n are defined below, which are inhibitors of the production of leukotrienes and/or blockers of leukotriene receptors, methods for preparing said compounds and intermediates useful in the preparation thereof, pharmaceutical compositions thereof methods of treatment therewith. The compounds of the above formula are useful in the prevention or treatment of asthma, arthritis, psoriasis, ulcers, myocardial infarction and related diseases in mammals.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: June 24, 1997
    Assignee: Pfizer Inc.
    Inventor: Anthony Marfat
  • Patent number: 5639886
    Abstract: The present invention relates to a one-pot process for the preparation of 7-heterocyclyl-substituted 3-quinolonecarboxylic acid derivatives. They possess a strong anti-microbial effect. They include active compounds such as, for example, ofloxacin, ciprofloxacin or enrofloxacin.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: June 17, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Zerbes, Paul Naab, Gerhard Franckowiak, Herbert Diehl