The -c(=x)- Is Part Of A -c(=x)x- Group, Wherein The X's Are The Same Or Diverse Chalcogens Patents (Class 546/170)
  • Patent number: 4861887
    Abstract: A method for the preparation of o-carboxyl imidazolinone compounds including oxidizing the appropriate 2-{[(1-carbamoyl-1,2-dimethylpropyl)amino]methyl}-benzoic acid intermediate with a brominating agent. Compounds useful as intermediates in the oxidation method and methods for preparing them are disclosed.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: August 29, 1989
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • Patent number: 4853392
    Abstract: Compounds of the formula ##STR1## where R.sup.1 is lower alkyl, R.sup.2 is chlorophenyl, Y is alkylene, X is heterocyclic and Z is a fused ring are useful as antiinflammatory and antiallergy agents.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: August 1, 1989
    Assignee: Pfizer Inc.
    Inventors: Kelvin Cooper, Peter E. Cross, Michael J. Fray, Kenneth Richardson
  • Patent number: 4851409
    Abstract: Compounds having the formula: ##STR1## are antagonists of leukotrienes and inhibitors of their biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: July 25, 1989
    Assignee: Merck Frosst Canada Inc.
    Inventors: Robert N. Young, Robert Zamboni, Serge Leger
  • Patent number: 4847405
    Abstract: The present invention relates to novel methods for the preparation of anilinofumarate [quinoline- 2,3-dicarboxylic acid], a useful intermediate in the preparation of 2-(2-imidazolin-2-yl)-quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: July 11, 1989
    Assignee: American Cyanamid Company
    Inventor: Donald R. Maulding
  • Patent number: 4845226
    Abstract: A process for the preparation of 8-bromomethyl-3-methylquinoline compounds of the formula I ##STR1## where one of both substituents X are chlorine and, where relevant, the other substituent X is hydrogen, by bromination of the corresponding 8-methylquinoline compound in the presence of a 2-phase mixture of a solvent stable to bromination and of, preferably, buffered water.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: July 4, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Rolf-Dieter Kohler, Jacques Dupuis
  • Patent number: 4843162
    Abstract: There are provided novel alkyl esters of substituted 2-methyl-3-quinolinecarboxylic acid and quinoline-2,3-dicarboxylic acid; novel dialkyl 3-(substituted)phenylamino-2-ene-dioates, useful as intermediates for the preparation of highly effective 2-(2-imidazolin-2-yl)quinoline herbicidal agents and methods for the preparation thereof.
    Type: Grant
    Filed: February 21, 1987
    Date of Patent: June 27, 1989
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • Patent number: 4839366
    Abstract: The compound of formula (I): ##STR1## N-cyclohexyl-N"-4-(2-methylthioquinolyl)-N'-2-thiazolyl-guanidine and pharmaceutically acceptable salts thereof is a valuable antiinflammatory, analgesic and antipyretic agent.The compound of the invention may be formulated with conventional pharmaceutically acceptable carriers or diluents to provide a pharmaceutical composition.
    Type: Grant
    Filed: February 23, 1988
    Date of Patent: June 13, 1989
    Assignee: Chiesi Farmaceutici S.p.A.
    Inventor: Giuseppe Quadro
  • Patent number: 4826531
    Abstract: Acrylic acid derivatives having the formula (I): ##STR1## and stereoisomers thereof, wherein W is R.sup.1 O.sub.2 C--C.dbd.CH--ZR.sup.2, R.sup.1 and R.sup.2 are alkyl or fluoroalkyl groups, and Z is oxygen or sulphur; A, B, D and E are hydrogen, halogen, hydroxy or optionally substituted alkyl, alkoxy, aralkyl, arylalkoxy, alkenyl, alkynyl, aryl, aryloxy, arylthio, heteroaryloxy, heteroarylthio, acyloxy, amino, arylazo or acylamino, nitro, cyano, --CO.sub.2 R.sup.3, --CONR.sup.3 R.sup.4, --COR.sup.3, --CR.sup.3 .dbd.NR.sup.4, --N.dbd.CR.sup.3 R.sup.4 or --S(O).sub.n R.sup.3 groups; any two of the groups A, B, D and E, when they are in adjacent positions on the ring, optionally join to form a fused ring, n is 0, 1 or 2; and R.sup.3 and R.sup.4 are hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, alkynyl or optionally substituted aryl or aralkyl; and metal complexes thereof. These compounds are useful as fungicides, insecticides, nematicides or plant growth regulators.
    Type: Grant
    Filed: April 17, 1987
    Date of Patent: May 2, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventors: Vivienne M. Anthony, John M. Clough, Paul DeFraine, Christopher R. A. Godfrey, Patrick J. Crowley, Kenneth Anderton
  • Patent number: 4826986
    Abstract: 7- or 8-Substituted, partially hydrogenated pyrazolo[3,4-g]quinoline, thiazolo[4,5-g]quinoline, oxazolo[4,5-g]quinoline, and pyrrolo[3,4-g]quinoline derivatives, and 8- or 9-substituted, partially hydrogenated pyrido[2,3-g]quinazoline derivatives are D-2 dopamine agonists. 6-Oxo-1-substituted-octahydroquinolines and 6-oxo-1-substituted-decahydroquinolines which are additionally substituted in the 3- or 4-position are intermediates useful in preparation of the dopamine agonists. Acetals of 4,6-dioxo-1-substituted-decahydroquinoline 3-carboxylic acid esters enable synthesis of the foregoing compounds.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: May 2, 1989
    Assignee: Eli Lilly and Company
    Inventors: Diane L. Huser, John M. Schaus
  • Patent number: 4826987
    Abstract: The present invention relates to compounds of formula I ##STR1## in which formula I X stands for O, S, ##STR2## R.sub.1 and R.sub.2 which can be the same or different stand for hydrogen, straight or branched, saturated or unsaturated, unsubstituted or substituted C.sub.1 -C.sub.8 -alkyl, or for ar-C.sub.1 -C.sub.4 -alkyl, aryl and ar being unsubstituted or substituted phenyl; R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are the same or different and stand for hydrogen, halogen, pseudo halogen, cyano, nitro, amino, carboxy, hydroxy, alkyl, alkoxy; or R.sub.5 and R.sub.6 form an aromatic ring which is fused to the pyridyl ring, and which aromatic ring may substituted; provided that R.sub.1 and R.sub.2 cannot be hydrogen at the same time, and provided that when R.sub.5 and R.sub.6 both are chlorine and R.sub.1 is hydrogen, then R.sub.2 cannot be n-propyl; and salts and bioreversible derivatives thereof.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: May 2, 1989
    Assignee: Leo Pharmaceutical Products Ltd.
    Inventors: Ole Bent Iv rmose Nielsen, Ian Ahnfelt-Ronne
  • Patent number: 4824850
    Abstract: The subject compounds, which are adapted for the site-specific/sustained delivery of centrally acting drug species to the brain, are:(a) compounds of the formula[D--DHC] (I)wherein [D] is a centrally acting drug species, and [DHC] is the reduced, biooxidizable, blood-brain barrier penetrating lipoidal form of a dihydropyridine.revreaction.pyridinium salt redox carrier, with the proviso that when [DHC] is ##STR1## wherein R is lower alkyl or benzyl and [D] is a drug species containing a single NH.sub.2 or OH functional group, the single OH group when present being a primary or secondary OH group, said drug species being linked directly through said NH.sub.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: April 25, 1989
    Assignee: University of Florida
    Inventor: Nicholas S. Bodor
  • Patent number: 4814486
    Abstract: The present invention relates to an improved method for the preparation of anilinofumarates useful as intermediates in the preparation of 2-(2-imidazolin-2-yl) quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: March 21, 1989
    Assignee: American Cyanamid Company
    Inventors: Donald R. Maulding, Albert A. Cevasco
  • Patent number: 4808212
    Abstract: Oxime esters of substituted quinoline-8-carboxylic acids of the formula ##STR1## where X is hydrogen, C.sub.1 -C.sub.4 -alkyl or halogen, Z is hydrogen or methyl, R.sup.1 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxymethyl, C.sub.1 -C.sub.4 -alkoxyethyl, C.sub.1 -C.sub.4 -alkylthiomethyl, C.sub.1 -C.sub.4 -alkylthioethyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.5 -C.sub.8 -cycloalkyl, each of which is unsubstituted or bears up to 3 methyl substituents, hydrogen, cyano, acetyl, benzoyl, unsubstituted benzyl or phenyl, or benzyl or phenyl bearing up to 3 substitutents selected from the group consisting of halogen, cyano, trifluoromethyl, C.sub.1 -C.sub.4 -haloalkyloxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkyl, hydroxy, dimethylamino or acetamino, R.sup.2 is hydrogen if R.sup.1 is not hydrogen, R.sup.2 further denotes C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxymethyl, chloromethyl, azolylmethyl, 1,1-dimethoxymethyl, cyano, C.sub.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: February 28, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Plath, Karl Eicken, Bernd Zeeh, Ulrich Eichenauer, Helmut Hagen, Rolf-Dieter Kohler, Norbert Meyer, Bruno Wuerzer
  • Patent number: 4806540
    Abstract: Novel microbicidally active 1-heteroaryl-4-arylpyrazole derivatives of the formulae (I) and/or (1A) ##STR1## in which R represents hydrogen or alkyl,R.sup.1 represents halogen, hydroxyl, optionally substituted alkyl, optionally substituted alkoxy, a radical --S(O).sub.p -alkyl which is optionally substituted in the alkyl part, nitro or optionally substituted amino, or represents a fused-on carbocyclic or heterocyclic radicalp represents the integer 0, 1 or 2,n represents an integer from 0 to 5,X represents .dbd.CH--, or represents a nitrogen atom,Y represents CO or SO.sub.2 andR.sup.2 represents hydrogen, in each case optionaly substituted alkyl, cycloalkyl or aryl or a heterocyclic radical, or represents OR.sup.3, or also represents SR.sup.3, if Y is CO,whereinR.sup.3 represents optionally substituted alkyl or aryl, orR.sup.2 represents a radical ##STR2## wherein R.sup.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: February 21, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Gerd Hanssler, Hans-Georg Schmitt, Wilfried Paulus
  • Patent number: 4804404
    Abstract: Fluoroalkyl-substituted quinoline derivatives of the formula ##STR1## where R.sup.1 is chlorine, fluorine, hydroxyl, O.sup..crclbar. Met.sup..sym., C.sub.1 -C.sub.4 -alkoxy or a radical of the formula ##STR2## R.sup.2 and R.sup.3 independently of one another are each hydrogen, C.sub.1 -C.sub.3 -alkyl or C.sub.1 -C.sub.3 -fluoroalkyl, R.sup.4 is fluorine, chlorine or bromine, with the proviso that one or both of the radicals R.sup.2 and R.sup.3 are C.sub.1 -C.sub.3 -fluoroalkyl, herbicides containing these compounds as active ingredients, and their use for controlling unwanted plant growth.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: February 14, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Ulrich Eichenauer, Rolf-Dieter Kohler, Peter Plath, Thomas Liese-Sauer, Karl Eicken, Bruno Wuerzer, Norbert Meyer
  • Patent number: 4788188
    Abstract: The present invention relates to new quinolylglycinamide derivatives corresponding to the following general formula: ##STR1## The invention also relates to a process for preparing these compounds and their therapeutic application as a psychotropic agent.
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: November 29, 1988
    Assignee: Sanofi (S.A.)
    Inventors: Jean-Claude Vernieres, Etienne Mendes, Michel Morre, Peter Keane, Jacques Simiand
  • Patent number: 4783535
    Abstract: A process for the preparation of 1,4-oxazepinones and thiones having the formula: ##STR1## wherein A is an aromatic ring selected from benzene, naphthalene, quinoline or pyridine; n is 1 to 3; Z is an amino radical; R is hydrogen, loweralkyl, cycloalkyl or phenylloweralkyl; and R.sup.4 and R.sup.5 are hydrogen and loweralkyl starting from chloroaromatic carboxylates and alkanolamines is disclosed. The oxazepinones and oxazepinethiones prepared by the process have utility as antihistaminics with low sedative potential. Novel intermediate compounds are also disclosed.
    Type: Grant
    Filed: March 18, 1986
    Date of Patent: November 8, 1988
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Young S. Lo, Albert D. Cale, Jr.
  • Patent number: 4772311
    Abstract: The invention relates to novel difluoromethoxy-, trifluoromethoxy-, 1,1,2,2-tetrafluoroethoxy-, alkenyloxy- and alkynyloxypyridine and quinoline compounds and a method for controlling undesirable plant species therewith.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: September 20, 1988
    Assignee: American Cyanamid Co.
    Inventor: Marinus Los
  • Patent number: 4771059
    Abstract: The subject compounds, which are adapted for the site-specific/sustained delivery of centrally acting drug species to the brain, are compounds of the formula ##STR1## and the non-toxic pharmaceutically acceptable salts thereof, wherein D is the residue of a centrally acting primary, secondary or tertiary amine and ##STR2## is an unsubstituted or substituted dihydropyridyl, dihydroquinolyl or dihydroisoquinolyl radical. The corresponding ionic pyridinium, quinolinium and isoquinolinium salts ##STR3## X.sup.-, wherein X.sup.- is the anion of a non-toxic pharmaceutically acceptable acid, are also disclosed.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: September 13, 1988
    Assignee: University of Florida
    Inventor: Nicholas S. Bodor
  • Patent number: 4769375
    Abstract: Circulation-active dihydropyridines of the formula ##STR1## in which R.sup.1 is optionally substituted aryl or heterocyclic,R.sup.2 is H, NO.sub.2, CN, C.sub.1 -C.sub.8 -alkylsulphonyl, aryl or carboalkoxy,R.sup.3 is alkyl or aryl,R.sup.4 is H or alkyl,X is C.dbd.O or a direct bond, andn is a number from 1 to 20,or physiologically acceptable salts thereof. A synthesis using morpholines or thiomorpholines is also disclosed.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: September 6, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Meyer, Gerhard Franckowiak, Gunther Thomas, Matthias Schramm, Michael Kayser, Martin Bechem, Rainer Gross
  • Patent number: 4766218
    Abstract: The present invention relates to novel methods for the preparation of quinoline-2,3-dicarboxylic acid, useful for the preparation of the highly effective 2-(2-imidazolin-2-yl)quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: August 23, 1988
    Assignee: American Cyanamid Company
    Inventor: Donald R. Maulding
  • Patent number: 4757146
    Abstract: The present invention relates to novel methods for the preparation of quinoline-2,3-dicarboxylic acid, useful for the preparation of the highly effective 2-(2-imidazolin-2-yl)quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: July 12, 1988
    Assignee: American Cyanamid Company
    Inventor: Donald R. Maulding
  • Patent number: 4757071
    Abstract: 2,6-Dimethyl-4-(2- or 3-substituted phenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid diesters, having vasodilating and blood pressure lowering effects, in the ester moiety at the 3-position of which a heterocyclic group is linked to an alkylene group through an ester bond (carbonyloxy group). The diesters are used for treatment of cardiac diseases, cerebrovascular diseases and hypertension.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: July 12, 1988
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Hiroyasu Koyama, Yoshikuni Suzuki, Koichiro Hagihara
  • Patent number: 4732898
    Abstract: The present invention are 2-(2-aryl-2-oxo-alkylidene) analogs of 1,2,3,4-tetrahydropyridine-3,5-pyridinecarboxylic acids and particularly esters thereof having valuable calcium antagonist and positive inotropic activity useful in the treatment of cardiovascular disorders, pharmaceutical compositions and methods of use therefor.
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: March 22, 1988
    Assignee: Warner-Lambert Company
    Inventors: Edward W. Badger, Michael D. Taylor
  • Patent number: 4720494
    Abstract: This invention relates to novel chemical compounds, methods and compositions for inhibiting the production of human perspiration, especially axillary perspiration. More particularly, the practice of the invention comprises the topical application to the axiallary area or other perspiration-producing portion of the body of an anticholinergic eucatropine ester having reduced mydriatic activity and distributed in a suitable dermatologically acceptable carrier.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: January 19, 1988
    Assignee: The Gillette Company
    Inventors: Carl Felger, Edith Shulman
  • Patent number: 4715889
    Abstract: Quinoline derivatives of the formula ##STR1## where X, n, R.sup.1, R.sup.2 and Y have the meanings given in the description, are used for controlling undesirable plant growth.
    Type: Grant
    Filed: September 7, 1983
    Date of Patent: December 29, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Rolf-Dieter Kohler, Jurgen Markert, Bruno Wuerzer
  • Patent number: 4709036
    Abstract: The present invention provides a process for the preparation of herbicidal 2-(4,4-disubstituted-5-oxo-2-imidazolin-2-yl) benzoic, nicotinic and quinoline-3-carboxylic acids, esters and salts.
    Type: Grant
    Filed: June 13, 1985
    Date of Patent: November 24, 1987
    Assignee: American Cyanamid Company
    Inventors: Marinus Los, Don W. Long, Gregory P. Withers
  • Patent number: 4680299
    Abstract: Phenylquinolinecarboxylic acids and derivatives thereof, such as 2-(2'-fluoro-1,1'-biphenyl-4-yl)-6-fluoro-3-methyl-4-quinolinecarboxylic acid, or a sodium or potassium salt thereof, are useful as tumor inhibiting agents.
    Type: Grant
    Filed: April 26, 1985
    Date of Patent: July 14, 1987
    Assignee: E.I. Du Pont de Nemours and Company
    Inventor: David P. Hesson
  • Patent number: 4677210
    Abstract: Z is a chemical bond or an alkylene chain containing up to 5 carbons in the principal chain and up to a total of 7 carbons;X is O or S;R and R.sub.1 are independently hydrogen, hydroxy, lower alkoxy, lower alkanoyloxy, halo, cyano, carboloweralkoxy, carboxyloweralkyl, aryloxy or benzyloxy;R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are independently hydrogen, lower alkyl, lower aralkyl, lower alkenyl, lower alkynyl, aryl or carboxyloweralkyl;and pharmaceutically acceptable salts thereof have pharmaceutical activity, particularly as lipoxygenase inhibitors possessing anti-inflammatory and anti-allergic properties.
    Type: Grant
    Filed: June 19, 1985
    Date of Patent: June 30, 1987
    Assignee: Rorer Pharmaceutical Corporation
    Inventor: Fu-chih Huang
  • Patent number: 4675432
    Abstract: The present invention relates to methods for the preparation of anilinofumarate, a useful intermediate in the preparation of quinoline-2,3-dicarboxylic acid and in the preparation of 2-(2-imidazolin-z-yl) quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: June 23, 1987
    Assignee: American Cyanamid Company
    Inventor: Donald R. Maulding
  • Patent number: 4667040
    Abstract: This invention relates to a novel process for producing a 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof which are useful in producing a cephalosporin antibiotic, and to intermediates for said derivative and salt and a process for producing the intermediates.
    Type: Grant
    Filed: July 9, 1985
    Date of Patent: May 19, 1987
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Hiroshi Sadaki, Hiroyuki Imaizumi, Kenji Takeda, Takihiro Inaba, Ryuko Takeno, Seishi Morita, Tetsuya Kajita, Isamu Saikawa
  • Patent number: 4656283
    Abstract: There are provided novel alkyl esters of substituted 2-methyl-3-quinolinecarboxylic acid and quinoline-2,3-dicarboxylic acid; novel dialkyl 3-(substituted)phenylaminobut-2-ene-dioates, useful as intermediates for the preparation of highly effective 2-(2-imidazolin-2-yl)quinoline herbicidal agents and methods for the preparation thereof.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: April 7, 1987
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • Patent number: 4638068
    Abstract: There are provided novel 2-(2-imidazolin-2-yl)pyridine and quinoline compounds, a process and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: January 20, 1987
    Assignee: American Cyanamid Company
    Inventor: Marinus Los
  • Patent number: 4608079
    Abstract: This invention relates to novel imidazolidinone and imidazolidinethione compounds, a process and intermediates for the preparation of said compounds and a method for controlling undesirable plant species therewith.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: August 26, 1986
    Assignee: American Cyanamid Company
    Inventor: Marinus Los
  • Patent number: 4585868
    Abstract: The compounds 5-carboxyl-6-fluoroquinaldine, 6-fluoro-5-methylquinaldine, 6-fluoro-5-methyl-1,2,3,4-tetrahydroquinaldine, 1,2-dihydro-6-fluoro-5-hydroxymethylquinaldine and diethyl 2-[N-(6-fluoro-5-methyl-1,2,3,4-tetrahydroquinaldinyl)]methylenemalonate are disclosed as useful intermediates for preparing the antimicrobial agent 6,7-dihydro-5,8-dimethyl-9-fluoro-1-oxo-1H,5H-benzol[ij]quinolizine- 2-carboxylic acid.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: April 29, 1986
    Assignee: Riker Laboratories, Inc.
    Inventor: Richard M. Stern
  • Patent number: 4576949
    Abstract: The present invention also provides novel compositions of matter. In particular, the present invention provides novel 3-substituted compounds of formula I which are from among the selected 5,6,7,8-tetrahydroquinolines and 5,6-dihydropyrindines having use as inhibitors of the synthesis of leukotrienes and as inhibitors of the action of lipoxygenase in mammalian metabolism.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: March 18, 1986
    Assignee: The Upjohn Company
    Inventor: Herman W. Smith
  • Patent number: 4529721
    Abstract: A compound of the formula: ##STR1## wherein u represents hydrogen, carboxamido, N-hydroxycarboxamido, carboxy, azido, an aryl, an acylamino, a protected carboxy or an N-alkoxycarboxamido, or, together with v, can represent --S-- or --CH.sub.2 S--; v represents hydrogen, halogen, cyano or an alkylthio, or, together with u, can represent --S-- or --CH.sub.2 S--, or, together with w, can represent --(CH.sub.2).sub.3 CO--; w represents hydrogen, carboamoyl, cyano, carboxy, an N-alkylcarbamoyl, an alkyl, an aryl, a protected carboxy or a heterocycle, or, together with v, can represents --(CH.sub.2).sub.
    Type: Grant
    Filed: September 21, 1983
    Date of Patent: July 16, 1985
    Assignee: Shionogi & Co., Ltd.
    Inventors: Wataru Nagata, Mitsuru Yoshioka, Yasuhiro Nishitani, Tsutomu Aoki, Toshiro Konoike, Tadatoshi Kubota
  • Patent number: 4501919
    Abstract: Serine derivatives are synthesized by the condensation of an alkali metal salt of a glycine derivative and a carbonyl compound in the presence of a phase transfer catalyst.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: February 26, 1985
    Assignee: Gruppo Lepetit S.p.A.
    Inventors: Melvin V. Koch, Ambrogio Magni
  • Patent number: 4499079
    Abstract: Peptides of the formula ##STR1## wherein X is various amino or imino acids or esters are useful as hypotensive agents.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: February 12, 1985
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Eric M. Gordon, Harold N. Weller, III
  • Patent number: 4497651
    Abstract: Dichloroquinoline derivatives of the formula ##STR1## are prepared as described, and are used as herbicides.
    Type: Grant
    Filed: February 17, 1982
    Date of Patent: February 5, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Juergen Markert, Bruno Wuerzer
  • Patent number: 4472405
    Abstract: The compound 6,7-dihydro-5,8-dimethyl-9-fluoro-1-oxo-1H,5H-benzo[ij]quinolizine-2-carbo xylic acid is disclosed as a potent antimicrobial agent with a broad spectrum of activity. Esters, acyl chlorides, alkylaminoalkyl ester salts and pharmaceutically acceptable carboxylate salts of the acid are also disclosed. Methods of using these compounds, pharmaceutical compositions comprising these compounds and synthetic intermediates for preparing these compounds are described.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: September 18, 1984
    Assignee: Riker Laboratories, Inc.
    Inventor: Richard M. Stern
  • Patent number: 4460594
    Abstract: Compounds of the formula (I), and pharmaceutically acceptable salts thereof: ##STR1## wherein: R.sub.1 is hydroxy, C.sub.1-4 alkoxy or an in-vivo hydrolysable acyloxy group:R.sub.2 is hydrogen, C.sub.1-4 alkyl, hydroxy, C.sub.1-4 alkoxy or an in-vivo hydrolysable acyloxy group;R.sub.4 is benzofuryl, benzothienyl, indolyl, quinolyl, isoquinolyl,2,3-dihydrobenzofuryl, 2,3-dihydrobenzylthienyl or 2,3-dihydroindolyl optionally substituted by one or two substituents selected from C.sub.1-4 alkoxy, hydroxy or acyloxy, trifluoromethyl, halogen or nitro; andA is a bond or C.sub.1-6 alkylene,a process for their preparation, and pharmaceutical compositions containing them.
    Type: Grant
    Filed: September 15, 1982
    Date of Patent: July 17, 1984
    Assignee: Beecham Group p.l.c.
    Inventor: Roger E. Markwell
  • Patent number: 4459408
    Abstract: The invention is related to a novel process for the prepartion of 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)-3-quinolinecarboxylic acid, a useful and valuable herbicide.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: July 10, 1984
    Assignee: American Cyanamid Company
    Inventors: Donald R. Maulding, Robert F. Doehner, Jr.
  • Patent number: 4459409
    Abstract: There is provided a novel process for the preparation of a substituted or unsubstituted 2,3-quinolinedicarboxylic acid, utilizing as the starting material, 2-methyl-3-quinolinecarboxylic acid or 3-methyl-2-quinolinecarboxylic acid or the alkyl ester of either of the above compounds.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: July 10, 1984
    Assignee: American Cyanamid Company
    Inventor: David W. Ladner
  • Patent number: 4426387
    Abstract: The invention concerns compounds of formula ##STR1## and acid addition and quaternary ammonium salts thereof, wherein the dotted line represents an optional bond, Ar represents a ring system of formula ##STR2## in which Q is O,S,--CR.sup.7 .dbd.CR.sup.8 --, --N.dbd.CR.sup.8 -- and --N.dbd.N--; R.sup.4, R.sup.5 and R.sup.6, and R.sup.7 and R.sup.8 when present, each represent hydrogen or defined substituents and additionally either R.sup.4 and R.sup.5 when adjacent or R.sup.6 and R.sup.8 when adjacent, together with the carbon atoms to which they are attached also represent a fused five or six membered carbocyclic or heterocyclic ring optionally carrying one or more defined substituents; R is an optionally substituted aryl or heteroaryl radical or a cycloalkyl radical containing 5 to 7 carbon atoms; R.sup.1, R.sup.2, R.sup.3 and R.sup.9 are each hydrogen or a lower alkyl group; n is 0 or 1; X is .dbd.O, .dbd.S or .dbd.NH; Y is --O-- or a direct bond and Z is --CO-- or --CH.sub.
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: January 17, 1984
    Assignee: John Wyeth & Brother Ltd.
    Inventors: John L. Archibald, Terrence J. Ward
  • Patent number: 4416817
    Abstract: Novel 3-methoxy-2-oxoazetidine derivatives, which are shown by the following formula ##STR1## wherein R.sub.1 is amino, acylated amino or protected amino, are of value as intermediates for the synthesis of useful compounds represented by the formula ##STR2## wherein R.sub.1 has the same meaning as defined above, as drugs in the treatment of bacterial infections.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: November 22, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Taisuke Matsuo, Michihiko Ochiai
  • Patent number: 4395566
    Abstract: An improved process for exterifying carboxyaromatics is disclosed wherein an anhydride of a carboxyaromatic, such as pyromellitic dianhydride, is reacted with a fluorinated alcohol and an epoxide to give a mixed ester capable of imparting oil and/or water repellency to textiles. The improvement comprises utilizing the epoxide as the reaction medium to reduce reaction times and waste water treatment requirements.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: July 26, 1983
    Assignee: American Hoechst Corporation
    Inventors: James H. Covill, Michael G. Kelly, Thomas F. Leahy
  • Patent number: 4350704
    Abstract: Substituted acyl derivatives of octahydro-1H-indole-2-carboxylic acid and the pharmaceutically acceptable salts thereof are produced by acylating a suitably substituted octahydro-1H-indole with a suitably activated substituted carboxylic acid and when desired hydrolyzing the resulting product. The compounds of the invention, their salts and pharmaceutical compositions thereof are useful as antihypertensive agents.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: September 21, 1982
    Assignee: Warner-Lambert Company
    Inventors: Milton L. Hoefle, George Bobowski
  • Patent number: 4328168
    Abstract: This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yield. For the process an alkylating agent and activated methylene compound are reacted in the presence of a cyclic polyether compound and alkali metal compound. Water can also be present and/or the reaction may be carried out in an inert organic diluent.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: May 4, 1982
    Assignee: Emery Industries, Inc.
    Inventor: Richard G. Fayter, Jr.
  • Patent number: 4328169
    Abstract: This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yield. For the process an alkylating agent and activated methylene compound are reacted in the presence of an alkylene oxide derivative and alkali metal compound. Water can also be present and/or the reaction may be carried out in an inert organic diluent.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: May 4, 1982
    Assignee: Emery Industries, Inc.
    Inventor: Allen L. Hall