Spiro Ring System Patents (Class 514/409)
  • Patent number: 5498519
    Abstract: A method for preserving mammalian hearts while under ischemic conditions is accomplished by exposing the heart to a preservation solution containing a pharmacologically effective concentration of a Na.sup.+ /K.sup.+ /Cl.sup.- co-transporter blocker agent, such as Furosemide, Bumetanide or Piretanide, thereby extending survival of the heart.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: March 12, 1996
    Assignee: Ramot-University Authority for Applied Research and Industrial Development Ltd.
    Inventors: Yoram Rubin, Gil Navon
  • Patent number: 5489607
    Abstract: The instant invention is a method of using known compounds, such as (-)-5.alpha.,7.alpha.,-8.beta.-N-methyl-N-[7-(1-pyrrolidinyl)-1-oxaspiro[4 .5]dec-8-yl]-4-benzofuranacetamide, as agents for treating benign prostatic hyperplasia.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: February 6, 1996
    Assignee: Warner-Lambert Company
    Inventors: Michael A. Breider, Cynthia L. Courtney, Felix A. De La Iglesia, Alexander W. Gough, Alan L. Metz
  • Patent number: 5482959
    Abstract: Invented is a method of preventing or delaying the occurrence of acquired immunodeficiency syndrome (AIDS) in human immunodeficiency virus (HIV) seropositive humans which comprises administering to such human an effective therefor amount of a substituted azaspirane.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: January 9, 1996
    Assignee: SmithKline Beecham Corporation
    Inventor: Alison M. Badger
  • Patent number: 5475019
    Abstract: A method for combatting anxiety in a subject in need of such treatment is provided. The method comprises administering to the subject a 2-aminocycloaliphatic amide kappa opioid agonist in an effective anxiety-combatting amount.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: December 12, 1995
    Assignee: East Carolina University
    Inventors: Thomas H. Privette, David M. Terrian
  • Patent number: 5462913
    Abstract: The invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) ##STR1## in which A and B together with the carbon atom to which they are bonded represent a substituted cycle,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents 0, 1, 2 or 3,G represents hydrogen (a) or the groups ##STR2## represents a metal ion equivalent or an ammonium ion, L and M represents oxygen and/or sulphur,R.sup.1 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or cycloalkyl, which can be interrupted by hetero atoms, optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl or substituted hetaryloxyalkyl,R.sup.2 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or in each case optionally substituted phenyl or benzyl,R.sup.3, R.sup.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: October 31, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Christoph Erdelen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Ulrike Wachendorff-Neumann, Wilhelm Stendel
  • Patent number: 5455247
    Abstract: Invented is a method of treatment of hyperlipidemia, in a mammal, including a human, in need thereof which comprises administering to such mammal an effective therefor amount of a substituted azaspirane.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: October 3, 1995
    Assignee: SmithKline Beecham Corporation
    Inventors: Peter J. Bugelski, William D. Kerns
  • Patent number: 5447927
    Abstract: Fungicidally active compounds of the formula ##STR1## in which X represents oxygen or sulphur,R represents cycloalkyl, or represents optionally substituted aryl, or represents the radical ##STR2## R.sup.1 and R.sup.2 each independently is hydrogen or an organic radical, or together with the nitrogen atom form a heterocyclic radical,R.sup.3 represents hydrogen, alkyl or optionally substituted aryl, andR.sup.4 represents alkyl or cycloalkyl, or represents optionally substituted aryl,but wherein R.sup.3 and R.sup.4 may not simultaneously represent methyl,and acid addition salts thereof, as well as intermediates therefor.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: September 5, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Joachim Weissmuller, Dieter Berg, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 5444082
    Abstract: 3,9-disubstituted-spiro[5.5]undecanes and ##STR1## wherein, R, Y, A, B and n are defined in the specification, pharmaceutical compositions containing same for the treatment of cardiovascular disorders, such as heart failure and hypertension, are disclosed.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: August 22, 1995
    Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.
    Inventors: Marco Frigerio, Patrizia Ferrari, Piero Melloni, Giuliana Salani
  • Patent number: 5420150
    Abstract: The invention relates to a compound selected from those of formula (I): ##STR1## in which R.sub.1, R.sub.2, R.sub.3, A and m are as defined in the description.Medicinal product which is useful for treating depression and anxiety.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: May 30, 1995
    Inventors: Gerald Guillaumet, Tchao Podona, Gerard Adam, Beatrice Guardiola, Pierre Renard
  • Patent number: 5413997
    Abstract: A triphenylmethane derivative represented by the following general formula: ##STR1## exhibits bone absorption inhibiting effects and is useful as a medicament for treating osteoporosis.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: May 9, 1995
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Iwao Kinoshita, Daisuke Machii, Yasuo Onoda, Haruki Takai, Nobuo Kosaka, Katsuichi Shuto, Katsushige Gomi, Makoto Morimoto, Akio Ishii
  • Patent number: 5399562
    Abstract: This invention relates to compounds of the formula: ##STR1## which are useful as 5-HT.sub.4 agonists or antagonists and 5-HT.sub.3 antagonists.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: March 21, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Daniel P. Becker, Daniel L. Flynn, Clara I. Villamil
  • Patent number: 5397789
    Abstract: The present invention is directed to a new class of cyclic nitrones and their use as spin trapping agents.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: March 14, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Albert A. Carr, Craig E. Thomas, Ronald C. Bernotas, George Ku
  • Patent number: 5395848
    Abstract: This invention discloses a method of treating hyperlipidemia in a mammal by administering an effective amount of a substituted azaspirane.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: March 7, 1995
    Assignee: SmithKline Beecham Corporation
    Inventors: Peter J. Bugelski, Wiliam D. Kerns
  • Patent number: 5376660
    Abstract: Fungicidally active compounds of the formula ##STR1## in which X represents oxygen or sulphur,R represents cycloalkyl, or represents optionally substituted aryl, or represents the radical ##STR2## R.sup.1 and R.sup.2 each independently is hydrogen or an organic radical, or together with the nitrogen atom form a heterocyclic radical,R.sup.3 represents hydrogen, alkyl or optionally substituted aryl, andR.sup.4 represents alkyl or cycloalkyl, or represents optionally substituted aryl,but wherein and R.sup.3 and R.sup.4 may not simultaneously represent methyl,and acid addition salts thereof, as well as intermediates therefore.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: December 27, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Joachim Weissmuller, Dieter Berg, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 5369105
    Abstract: Methods for using substituted phenoxy-, 1-, and 2-naphthalenyloxy-, indenyl-, indolyl-, benzo[b]furanyl-, and benzo[b]thienylcarboxamides of 7,8-(substituted-diamino)-1-oxaspiro[4.5]decanes as agents for alleviating the symptoms of Parkinson's disease, dystonia, and other movement disorders are disclosed. Pharmaceutical compositions employing the compounds are also disclosed.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: November 29, 1994
    Assignee: Warner-Lambert Company
    Inventors: Alexander McKnight, Geoffrey N. Woodruff
  • Patent number: 5369120
    Abstract: A synergistic pharmaceutical composition of substituted phenoxy-, 1-, and 2-naphthalenyloxy-, indenyl-, indolyl-, benzo[b]furanyl-, and benzo[b]thienylcarboxamides of 7,8-(substituted-diamino)-1-oxaspiro[4.5]decanes and L-DOPA as a composition alleviating the symptoms of Parkinson's disease and/or dystonia. A method of using the pharmaceutical composition is also disclosed.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: November 29, 1994
    Assignee: Warner-Lambert Company
    Inventor: Geoffrey N. Woodruff
  • Patent number: 5366992
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: November 22, 1994
    Assignee: Italfarmaco S.p.A.
    Inventors: Alberto Sala, Aldo Banfi, Francesca Benedini, Roberta Cereda
  • Patent number: 5317028
    Abstract: Methods for using substituted phenoxy-, 1-, and 2-naphthalenyloxy-, indenyl-, indolyl-, benzo[b] furanyl-, and benzo[b]thienylcarboxamides of 7,8-(substituted-diamino)-1-oxaspiro[4.5]decanes as agents for alleviating the symptoms of Parkinson's disease, dystonia, and other movement disorders are disclosed. Pharmaceutical compositions employing the compounds are also disclosed.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: May 31, 1994
    Assignee: Warner-Lambert Co.
    Inventors: Alexander McKnight, Geoffrey N. Wodruff
  • Patent number: 5294635
    Abstract: Certain spirocyclic heterocyclic compounds, and their pharmaceutically-acceptable salts, are inhibitors of the aldose reductase enzyme, and so are useful for the control of diabetic complications.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: March 15, 1994
    Assignee: Pfizer, Inc.
    Inventors: James F. Eggler, Eric R. Larson
  • Patent number: 5290807
    Abstract: O-substituted fumagillol derivatives and its salts have an angiogenesis regressing activity are useful for treatment of diseases induced by abnormally stimulated neovascularization.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: March 1, 1994
    Assignee: Children's Medical Center Corporation
    Inventors: Moses J. Folkman, Donald Ingber
  • Patent number: 5288722
    Abstract: The present invention relates to a compound of the formula: ##STR1## wherein R.sup.1 is 2-methyl-1-propenyl group or isobutyl group; R.sup.2 and R.sup.3 are each hydrogen atom, an optionally substituted hydrocarbon residue or an optionally substituted acyl group or R.sup.2 and R.sup.3 may form a ring together with the adjacent nitrogen atom; and the bonding mark .about. represents an .alpha.-linkage or .beta.-linkage, or a salt thereof. The compound (I) of the present invention has, among others, angiogenesis inhibiting activity, cell-growth inhibiting activity and immune reaction inhibiting activity, thus being useful as medicines, etc.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: February 22, 1994
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shoji Kishimoto, Shogo Marui, Takeshi Fujita
  • Patent number: 5281617
    Abstract: N-succinimidyl and N-phthalimidyl esters of phenylalkanoic acid derivatives which are useful as inhibitors of HLE or HNE.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: January 25, 1994
    Assignee: Cortech, Inc.
    Inventors: Gary P. Kirschenheuter, John C. Cheronis
  • Patent number: 5231083
    Abstract: The invention relates to a method for the treatment of cardiac and of vascular hypertrophy and hyperplasia by administration of angiotensin converting enzyme inhibitors. Administration of compounds of the formula I ##STR1## in which n is 1 or 2, R, R.sup.1, R.sup.2 and R.sup.3 are identical or different and each is hydrogen or an organic radical, and R.sup.4 and R.sup.5 form, together with the atoms carrying them, a mono-, bi- or tricyclic heterocyclic ring system, is preferred. The invention additionally relates to angiotensin converting enzyme inhibitors and to agents containing these for administration for the treatment of the abovementioned diseases.
    Type: Grant
    Filed: August 9, 1990
    Date of Patent: July 27, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Linz, Bernward Scholkens, Wolfgang Scholz, Gabriele Wiemer, Hansjorg Urbach, Rainer Henning, Volker Teetz
  • Patent number: 5216020
    Abstract: Substituted 4,5-dihydrothieno[2,3-b]thiophene-2-sulfonamides and 6,6-dioxides thereof are topically effective carbonic anhydrase inhibitors useful in the treatment of ocular hypertension and glaucoma associated therewith.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: June 1, 1993
    Assignee: Merck & Co., Inc.
    Inventors: John J. Baldwin, Kenneth L. Shepard, Ronald J. Hudcosky, Theresa M. Williams
  • Patent number: 5179119
    Abstract: This invention relates to 1,3-dihydro-1-(pyridinylamino)-2H-indol-2-ones of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl cycloalkane or heterocycloalkyl selected from the group consisting of piperidine and tetrahydropyran; X and Y are independently hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m and n are independently integers of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and, where applicable the optical, geometrical and stereoisomers and racemic mixtures thereof. The compounds of this invention display utility as analgesics, anticonvulsants, for enhancing memory and for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: January 12, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5171742
    Abstract: Avermectin analogs are disclosed wherein the 6,6-spiroketal ring system has been reduced in size to a 6,5-spiroketal ring system by the deletion of the 25-position carbon atom and the 25-alkyl substituent and which has a 23-acyl cycloalkyl, phenyl or substituted hydroxymethyl substituent. This is accomplished by opening the outer spiroketal ring with the elimination of ring carbon atoms 23, 24 and 25 and the alkyl substituent at the 25-position and incorporation a new component, reclosing the spiroketal to a 5-membered ring with a 23-acyl substituent and new substituents at the 24-position. The compounds are used as anti-parasitic insecticidal and anti-helmintic agents in humans and animals and compositions containing such compounds as the active ingredient thereof are also disclosed.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: December 15, 1992
    Assignee: Merck & Co., Inc.
    Inventor: Peter T. Meinke
  • Patent number: 5153211
    Abstract: Disclosed are substituted or unsubstituted planar tricyclic fluorene or nuclear analogs thereof, spiro-coupled to a five-membered ring containing a secondary amide, and the pharmaceutically acceptable salts thereof. These compounds are useful, inter alia in the treatment of diabetes. Also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions when indicated for, inter alia, long term, prophylactic treatment of the diabetes syndrome. A particularly preferred class of compounds comprise difluoro-dialkoxy substituted spiro-(9H-fluorene-9,4'-imidazolidine)-2',5-diones.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: October 6, 1992
    Assignee: Alcon Laboratories, Inc.
    Inventor: Billie M. York, Jr.
  • Patent number: 5140012
    Abstract: A method is provided for preventing or reducing the risk of restenosis following angioplasty by administering pravastatin alone or in combination with an ACE inhibitor such as captopril or ceranapril, prior to, during and/or after angioplasty.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: August 18, 1992
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Mark E. McGovern, Miguel A. Ondetti, Henry Y. Pan
  • Patent number: 5118702
    Abstract: Fungicidal and microbicidal substituted 1-aminomethyl-3-aryl-4-cyano-pyrroles of the formula ##STR1## in which Ar represents optionally substituted phenyl,R.sup.1 represents optionally substituted alkyl, alkenyl, alkynyl or cycloalkyl or in each case optionally substituted aralkyl or aryl andR.sup.2 represents alkyl or in each case optionally substituted cycloalkylalkyl, aralkyl, cycloalkyl or aryl,and their acid addition salts.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: June 2, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Wolfgang Kramer, Wilhelm Brandes, Stefan Dutzmann, Wilfried Paulus
  • Patent number: 5104872
    Abstract: Compound of the general formula (I), which is useful as an agricultural and horticultural fungicide, an agricultural and horticultural fungicidal composition containing said compound, use of said composition for controlling plant disease, and process for the production of said compound: ##STR1## wherein ##STR2## shows a case in which R.sup.3 and R.sup.4 together form a cyclic substituent, and R.sup.1 and R.sup.4 are substituents disclosed in the specification.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: April 14, 1992
    Assignee: Nihon Hohyaku Co., Ltd.
    Inventors: Kenji Tsubata, Nobuyuki Niino, Katsutoshi Endo, Yoshinobu Yamamoto, Hideo Kanno
  • Patent number: 5098889
    Abstract: A method is provided for imhibiting loss of cognitive functon, including memory, which may or may not be associated with Alzheimer's disease, by administering an ACE inhibitor, such as captopril, fosinopril, zofenopril or ceranapril in combination with a drug that acts as serotonin receptors such as zacopride, over a prolonged period of treatment.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: March 24, 1992
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Brenda Costall, Zola P. Horovitz
  • Patent number: 5098925
    Abstract: The present invention relates to spiroisoindolines that are antagonists at the phencyclidine receptor of the N-methyl-D-aspartate receptor complex and which are useful when such antagonism is desired such as in the treatment of neurological disorders. The invention further provides processes for preparing the spiroisoindolines, intermediates useful for their synthesis, pharmaceutical compositions containing them, and methods for their use.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: March 24, 1992
    Assignee: ICI Americas Inc.
    Inventor: Thomas M. Bare
  • Patent number: 5094846
    Abstract: By incorporating a liquid or solid silicone or paraffin into 1,3,5-trioxane, agglomeration of trioxane particles and adhesion of the trioxane to a machine wall or the like can be prevented. The silicone or paraffin is used in an amount of 0.003 to 1% by weight.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: March 10, 1992
    Assignee: Mitsubishi Gas Chemical Co., Inc.
    Inventors: Mutsuhiko Takeda, Minoru Kakuda, Masafumi Shimpo, Kiyoshi Yoshida
  • Patent number: 5091387
    Abstract: Disclosed are spirocyclic compounds of the formula: ##STR1## The compounds of formula I are oxytocin antagonists useful in the treatment of preterm labor and dysmenorrhea, and for the stoppage of labor preporatory to Caesarian delivery. Also disclosed are pharmaceutical compositions containing these compounds as well as methods for preparing the compounds.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: February 25, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Ben E. Evans, Douglas J. Pettibone, Roger M. Friedinger
  • Patent number: 5068246
    Abstract: 3-Alkyl-4-arylpyrrolidine derivatives of the formula ##STR1## where R.sup.1 is alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkyl-cycloalkyl, cycloalkyl-alkyl, alkyl-cycloalkyl-alkyl, cycloalkenyl-alkyl, alkyl-cycloalkenyl, bicycloalkyl, bicycloalkylalkyl, alkyl-bicycloalkyl, heterocycloalkyl, heterocycloalkylmethyl, aryl, arylalkyl, alkylary, alkyl-aryl-alkyl,R.sup.2 is alkyl, alkoxy,R.sup.3 is alkylR.sup.4 is alkyl, alkenyl, alkynyl and phenylalkyl,X.sup.- is a plant-tolerated anion, andn is 0 or 1,their plant-tolerated salts, and fungicides containing these compounds.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: November 26, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Zipplies, Hubert Sauter, Walter Himmele, Eberhard Ammermann, Ernst-Heinrich Pommer
  • Patent number: 5068245
    Abstract: N-Substituted 3-arylpyrrolidine derivatives of the formula ##STR1## where R.sup.1 is 2,2-dimethylpropyl, 3,3-dimethylbutyl, 4,4-dimethylpentyl, 2,4,4-trimethylpentyl, 6-methylhept-2-yl, 3,5,5-trimethylhexyl, 6,10-dimethylundec-2-yl, 3-methylcyclohexyl, 3,3-dimethylcyclohexyl, 3,3,5-trimethylcyclohexyl, 3,3,5,5-tetramethylcyclohexyl, 4-methylcyclohexyl, 4-ethylcyclohexyl, 4-propylcyclohexyl, 4-isopropylcyclohexyl, 4-tert.-butylcyclohexyl, trans-4-tert.-butylcyclohexyl, 4(2-methylbut-2-yl)cyclohexyl, 4(2,4,4-trimethylpent-2-yl)-cyclohexyl, cyclododecanyl, C.sub.3 -C.sub.9 -trialkylsilyl-substituted C.sub.4 -C.sub.12 -cycloalkyl, 4-hydroxycyclohexyl, 4-hydroxy-3-methylcyclohexyl, 4-hydroxy-3,5-dimethylcyclohexyl, 4-hydroxy-3,3-dimethylcyclohexyl, 4-hydroxy-3,3,5-trimethylcyclohexyl, unsubstituted or hydroxy-, C.sub.1 -C.sub.9 -alkyl-, C.sub.1 -C.sub.5 -alkoxy- or C.sub.3 -C.sub.9 -trialkylsilyl-substituted C.sub.5 -C.sub.12 -cycloalkenyl,R.sup.1 is further bicycloalkyl,R.sup.1 is further 4-tert.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: November 26, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Zipplies, Hubert Sauter, Franz Roehl, Walter Himmele, Eberhard Ammermann, Ernst-Heinrich Pommer
  • Patent number: 5064852
    Abstract: A series of novel 3-mono(substituted methyl)- and 3,3-di(substituted methyl)-2-oxo-indoline-1-alkanoic acid compounds have been prepared, including their lower alkyl esters and unsubstituted amide derivatives, as well as the base salts of said acids with pharmacologically acceptable cations. These compounds are useful in therapy as aldose reductase inhibitors for the control of certain chronic diabetic complications. Typical members include those compounds derived from 2-oxo-indoline-1-acetic acid wherein a 3,4-dichlorobenzyl or 3,4-dichloro-.alpha.-methylbenzyl moiety is substituted at 3-position of the molecule. Preferred member compounds include 3-(3,4-dichlorobenzyl)-2-oxo-indoline-1-acetic acid, 5-chloro-3-(3,4-dichlorobenzyl)-2-oxo-indoline-1-acetic acid, 3-(3,4-dichlorobenzyl)-6-methoxy-2-oxo-indoline-1-acetic acid, 3-(3,4-dichlorobenzyl)-6-hydroxy-2-oxo-indoline-1-acetic acid and 3-(3,4-dichloro-.alpha.-methylbenzyl)-2-oxo-indoline-1-acetic acid.
    Type: Grant
    Filed: August 1, 1990
    Date of Patent: November 12, 1991
    Assignee: Pfizer Inc.
    Inventors: Harry R. Howard, Jr., Reinhard Sarges
  • Patent number: 5049577
    Abstract: Antihypercholesterolemic activity has been discovered in compounds of the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein: Z is ##STR2## X is lower alkyl, lower alkenyl, or lower alkenyl; R.sup.1 is hydrogen, alkyl, alkenyl, aryl, alkylaryl, or substituted aryl having one or more substituents; andone of R.sup.2 and R.sup.3 is hydrogen and the other is hydrogen, alkyl, alkenyl, aryl, alkylaryl or alkenyl aryl; or R.sup.2 and R.sup.3 are both lower alkyl; or R.sup.2 and R.sup.3 together complete a substituted or unsubstituted hydrocarbon ring that is cycloalkyl or cycloalkenyl with substituents as defined in the specification.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: September 17, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Ravi K. Varma, Eric M. Gordon, Sam T. Chao
  • Patent number: 5049578
    Abstract: Antihypercholesterolemic activity is exhibited by novel compounds of the formula ##STR1## wherein: Z is ##STR2## X is lower alkyl or lower alenyl; R.sup.1 is aryl or alkyl;R.sup.2 and R.sup.3 are the same or different and are hydrogen, or lower alkyl or aryl, or R.sup.2 and R.sup.3 taken together to form a cycloalkyl group; andR.sup.4 is hydrogen, lower alkyl, or alkali metal (such as sodium, lithium, or potassium) or a radical such as ammonium.Methods of use and novel intermediates of these compounds are also provided.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: September 17, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Ravi K. Varma, Eric M. Gordon
  • Patent number: 5043347
    Abstract: A compound selected from the group consisting of enantiomers and diastereoisomer forms and mixtures thereof of the formula ##STR1##
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: August 27, 1991
    Assignee: Roussel Uclaf
    Inventors: Francois Clemence, Odile Le Martret, Francoise Delevallee, Michel Fortin
  • Patent number: 5043346
    Abstract: The invention relates to amino acid esters of the formula I ##STR1## in which n is 2 and R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meaning indicated in the description, to a process and intermediates for the preparation thereof, to agents containing them, and the use thereof.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: August 27, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Hock, Josef Scholtholt, Hansjorg Urbach, Rainer Henning, Ulrich Lerch, Wolf-Ulrich Nickel, Wolfgang Ruger
  • Patent number: 5032578
    Abstract: A method is provided for inhibiting onset of or treating depression by administering an ACE inhibitor, such as captopril, fosinopril, zofenopril or ceranapril in combination with a drug that acts at serotonin receptors such as zacopride, over a prolonged period of treatment.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: July 16, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Zola P. Horovitz
  • Patent number: 5019588
    Abstract: Novel 1,2-cyclohexylaminoaryl amides useful as analgesic agents having very high kappa-opioid affinity and selectivity and potency and useful as analgesics, diuretics, antiinflammatory and psychotherapeutic agents are disclosed. Methods for making the compounds and pharmaceutical compositions containing them are also disclosed.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: May 28, 1991
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, David C. Rees
  • Patent number: 5019587
    Abstract: The present invention provides compounds of the general formula (I) which inhibit the aggregation of erythrocytes or thrombocytes ##STR1## wherein A is hydrogen or C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, benzyl or C.sub.3 -C.sub.7 -cycloalkyl radical, B is hydrogen, R.sub.1 is a C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.3 -C.sub.7 -cycloalkyl radical, R.sub.2 is a C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.1 -C.sub.6 -alkylcarbonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl, aminocarbonyl or hydrazinocarbonyl radical, or R.sub.1 and R.sub.2, together with the carbon atom to which they are attached, form a C.sub.3 -C.sub.7 -cycloalkyl ring, n is 0, X is a valency bond or a C.sub.1 -C.sub.6 -alkylene radical, R.sub.3 is a carbocyclic aromatic ring, which may be substituted; and the tautomers, optically-active forms and physiologically acceptable salts thereof with organic and inorganic acids.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: May 28, 1991
    Assignee: Boehringer Mannheim GmbH
    Inventors: Wolfgang V. Von Der Saal, Alfred Mertens, Erwin Boehm
  • Patent number: 5015633
    Abstract: A method is provided for inhibiting loss of cognitive function, including memory, which may or may not be associated with Alzhemier's disease, in a mammalian species by administering an ACE inhibitor, which is a phosphonate substituted amino or imino acid or salt, such as SQ 29,852 over a prolonged period of treatment.
    Type: Grant
    Filed: February 9, 1989
    Date of Patent: May 14, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Abraham Sudilovsky
  • Patent number: 5001145
    Abstract: Compounds are described of formula (1) ##STR1## and salts thereof wherein R.sup.1 is a methyl, ethyl or isopropyl group;R.sup.2 represents a hydrogen atom or a group OR.sup.4 (where OR.sup.4 is a hydroxyl group or a substituted hydroxyl group having up to 25 carbon atoms) and R.sup.3 represents a hydrogen atom, or R.sup.2 and R.sup.3 together with the carbon atom to which they are attached represent >C.dbd.CH.sub.2, >C.dbd.O or >C.dbd.NOR.sup.5 (where R.sup.5 is a hydrogen atom or a C.sub.1-8 alkyl group and the group >C.dbd.NOR.sup.5 is in the E configuration).These compounds may be used for controlling insect, acarine, nematode or other pests.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: March 19, 1991
    Assignee: American Cyanamid Company
    Inventors: Michael V. J. Ramsay, Derek N. Evans, Derek R. Sutherland, Edward P. Tiley, John B. Ward, Neil Porter, Hazel M. Noble, Richard A. Fletton, David Noble
  • Patent number: 5001128
    Abstract: Disclosed are novel 3-hydroxy-3-methylglutarylcoenzyme A reductase inhibitors useful as antihypercholesterolemic agents represented by the formula ##STR1## and the corresponding ring-opened hydroxy acids and esters derived therefrom and pharmaceutically acceptable salts thereof.Pharmaceutical compositions containing said compounds and method of inhibiting the biosynthesis of cholesterol therewith are also disclosed.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: March 19, 1991
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Kent W. Neuenschwander, Anthony C. Scotese
  • Patent number: 4987138
    Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein: either one of R.sub.1 and R.sub.2 is hydrogen and the other is selected from the class of C.sub.1-6 alkylcarbonyl, C.sub.1-6 alkoxycarbonyl, C.sub.1-6 alkylcarbonyloxy, C.sub.1-6 alkylhydroxymethyl, nitro, cyano, chloro, trifluoromethyl, C.sub.1-6 alkylsulphinyl, C.sub.1-6 alkylsulphonyl, C.sub.1-6 alkoxysulphinyl, C.sub.1-6 alkoxysulphonyl, C.sub.1-6 alkylcarbonylamino, C.sub.1-6 alkoxycarbonylamino, C.sub.1-6 alkyl-thiocarbonyl, C.sub.1-6 alkoxy-thiocarbonyl, C.sub.1-6 alkyl-thiocarbonyloxy, 1-mercapto C.sub.2-7 alkyl, formyl or aminosulphinyl, aminosulphonyl or aminocarbonyl, the amino moiety being optionally substituted by one or two C.sub.1-6 alkyl groups, or C.sub.1-6 alkylsulphinylamino, C.sub.1-6 alkylsulphonylamino C.sub.1-6 alkoxysulphinylamino or C.sub.1-6 alkoxysulphonylamino or ethenyl terminally substituted by C.sub.1-6 alkylcarbonyl, nitro or cyano, or --C(C.sub.1-6 alkyl(NOH) or --C(C.sub.1-6 alkyl)NNH.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: January 22, 1991
    Assignee: Beecham Group p.l.c.
    Inventors: Frederick Cassidy, Geoffrey Stemp
  • Patent number: 4985448
    Abstract: Lactam compounds of the formula ##STR1## in which: R is hydrogen, alkyl or cycloalkyl;R.sup.1 is hydrogen, alkyl, alkenyl or cycloalkyl;R.sup.2 is alkyl, alkenyl, cyano or a carbonyl substituted hydroxyl, alkyl, alkoxy, amino, alkylamino or hydrazino; orR.sup.1 and R.sup.2 together represent alkylidene cycloalkylidene; orR.sup.1, R.sup.2 and the adjacent carbon atom form a spirocyclic ring;n is 0 or 1;A is a --Co--NH--, --NH--CO--NH-- or --O--CO--NH--;X is a valency bond, alkylene or alkenylene; andR.sup.3 is optionally substituted phenyl, pyridyl, methylenedioxyphenyl or a five-membered heterocycle; or when X is a valency bond, R.sup.3 can also be an optionally substituted alkyl or alkino group, or cycloalkyl. The compounds are useful for the inhibition of erythrocyte and thrombocyte aggregation.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: January 15, 1991
    Assignee: Boehringer Mannheim GmbH
    Inventors: Harald Zilch, Alfred Mertens, Wolfgang Von Der Saal, Erwin Boehm, Klaus Strein
  • Patent number: 4973593
    Abstract: Compounds of the formulae: ##STR1## are useful as anti-hypertensives.
    Type: Grant
    Filed: August 4, 1987
    Date of Patent: November 27, 1990
    Assignee: Research Corporation Technologies, Inc.
    Inventor: Abram N. Brubaker