4- Or 5-position Substituent Contains Chalcogen Patents (Class 548/232)
  • Patent number: 5034535
    Abstract: A process for preparing S-metoprolol of the formula ##STR1## or a salt thereof, with high enantiomeric purity, is described, whereby a (S)-5-hydroxymethyl-3-isopropyloxazolidin-2-one sulfonic acid ester of the formula ##STR2## is prepared, and further reacted with 4-[2-methoxyethyl]phenol of the formula ##STR3## and the resulting intermediate of the formula ##STR4## is hydrolysed to S-metoprolol, and whereby the (S)-5-hydroxymethyl-3-isopropyloxazolidin-2-one sulfonic acid ester of formula II is prepared by reacting (S)-3-isopropylamino-1,2-propanediol of the formula ##STR5## with a chloroformic acid ester of the formula ##STR6## wherein R' is an alkyl group having 1-3 carbon atoms or a phenyl group, to the formation of (S)-5-hydroxymethyl-3-isopropyloxazolidin-2-one of the formula ##STR7## which is reacted with an activated sulfonic acid of the formula ##STR8## wherein R" is an aryl group such as tolyl and X is a halogen such as Cl, to formation of the ester of formula II, which when required is enriched wit
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: July 23, 1991
    Assignee: Astra Pharmaceutical Production Aktiebolag
    Inventors: Britt I. Keding, Bo A. R. Lindqvist, Bengt B. Samuelsson
  • Patent number: 5032605
    Abstract: Aminomethyl oxooxazolidinyl cycloalkylbenzene derivatives, such as l-N-[3-(2,3-dihydro-oxa or thia-1H-inden-5-yl)-2-oxooxazolidin-5-ylmethyl]acetamide, possess useful antibacterial activity.
    Type: Grant
    Filed: March 15, 1990
    Date of Patent: July 16, 1991
    Assignee: Du Pont Merck Pharmaceutical Company
    Inventors: Chia-Lin J. Wang, Mark A. Wuonola
  • Patent number: 5008281
    Abstract: All stereoisomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein X is --O-- or --S--, Y is --C.dbd.O, ##STR2## or --CH.sub.2 --, R.sub.1 is selected from the group consisting of hydrogen, halogen, optionally unsaturated alkyl of 1 to 8 carbon atoms and optionally unsaturated cycloalkyl of 3 to 8 carbon atoms, the latter two being optionally substituted with one or more halogen and aryl of 6 to 14 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, --CF.sub.3, --NO.sub.2, --CN, halogen, alkoxy of 1 to 8 carbon atoms, aryl of 6 to 14 carbon atoms, an ester, optionally unsaturated alkyl of 1 to 8 carbon atoms and optionally unsaturated cycloalkyl of 3 to 8 carbon atoms, the latter two being optionally substituted with one or more halogen, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms, --CN and --C.tbd.CH and A is the residue of an ACOOH pyrethrinoid acid having pesticidal properties.
    Type: Grant
    Filed: November 7, 1989
    Date of Patent: April 16, 1991
    Assignee: Roussel Uclaf
    Inventors: Jacques Demassey, Jean-Pierre Demoute, Jean Tessier
  • Patent number: 4987146
    Abstract: N-hetaryl imidazole derivatives of general Formula I ##STR1##are disclosed in whichHet represents an optionally substituted monocyclic or bicyclic heteroaromate,R.sup.3 represents hydrogen, a straight or branched C.sub.1-6 -alkyl group, or a C.sub.1-6 -alkoxy-alkyl group, andR.sup.4 represents --COOR.sup.5 --CONR.sup.6 R.sup.7 --CN, ##STR2##with R.sup.5 meaning hydrogen, a straight or branched C.sub.1-6 -alkyl group, R.sup.6 and R.sup.7 are the same of different and represent hydrogen or a straight, branched, or cyclic alkyl group with up to 7 carbon atoms or, together with the nitrogen atom, form a saturated five or six ring optionally containing another heteroatom and R.sup.8 means hydrogen or a straight, branched or cyclic alkyl group with up to 7 carbon atoms.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: January 22, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Ralph Rohde, Helmut Biere, Ralph Schmiechen, John S. Andrews, David N. Stephens
  • Patent number: 4985429
    Abstract: Aminomethyl oxooxazolidinyl cycloalkylbenzene derivatives, such as l-N-[3-(2,3-dihydro-1-oxo-1H-inden-5-yl)-2-oxooxazolidin-5-ylmethyl]acetam ide, possess useful antibacterial activity.
    Type: Grant
    Filed: March 15, 1990
    Date of Patent: January 15, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Chia-Lin J. Wang, Mark A. Wuonola
  • Patent number: 4977173
    Abstract: Aminomethyl oxooxazolidinyl ethenylbenzene derivatives, including the nitriles, sulfoxides, acetamides and nitro compounds, such as l-N-[3-[4-(E-1-methyl-2-cyanoethenyl)phenyl]-2-oxooxazolidin-5-ylmethyl]ac etamide, possess useful antibacterial activity.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: December 11, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: David R. Brittelli, Peter F. Corless, Walter A. Gregory, Chung-Ho Park
  • Patent number: 4968681
    Abstract: Substituted hydroxylamines of the formula ##STR1## in which R.sup.1 stands for an aromatic or heterocyclic radical, are especially useful in the treatment of hyperlipoproteinaemia, lipoproteinaemia and atherosclerosis.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: November 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
  • Patent number: 4965268
    Abstract: Aminomethyl oxooxazolidinyl cycloalkylbenzene derivatives, such as l-N-[3-(2,3-dihydro-1-oxo-1H-inden-5-yl)-2-oxooxazolidin-5-ylmethyl]acetam ide, possess useful antibacterial activity.
    Type: Grant
    Filed: March 15, 1990
    Date of Patent: October 23, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Chia-Lin J. Wang, Mark A. Wuonola
  • Patent number: 4943584
    Abstract: Novel (p-phenoxyphenoxy)-methyl-five-membered heeroaromatic radicals of the formula ##STR1## where the substituents have the following meanings: R.sup.1, R.sup.2, R.sup.3 hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,R.sup.4 hydrogen or C.sub.1 -C.sub.4 -alkyl, and a five-membered heteroaromatic ring, and their use for combating pests.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: July 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Theobald, Christoph Kuenast, Peter Hofmeister, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Wolfgang Krieg, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 4937255
    Abstract: For inhibiting 3-hydroxy-3-methylglutaryl coenzyme A and cholesterol biosynthesis, the novel disubstituted pyrroles of the formula ##STR1## in which R.sup.1 is aryl or heteroaryl,R.sup.2 is cycloalkyl or optionally substituted alkyl,R.sup.3 is hydrogen or cycloalkyl, or optionally substituted alkyl, aryl or heteroaryl,X is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,A is ##STR2## R.sup.6 is hydrogen or alkyl, and R.sup.7 is hydrogen, a cation or alkyl, aryl or aralkyl.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: June 26, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Hubsch, Rolf Angerbauer, Peter Fey, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt, Gunter Thomas
  • Patent number: 4925862
    Abstract: All stereoisomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein X is --O-- or --S--, Y is --C.dbd.O, ##STR2## or --CH.sub.2 --, R.sub.1 is selected from the group consisting of hydrogen, halogen, optionally unsaturated alkyl of 1 to 8 carbon atoms and optionally unsaturated cycloalkyl of 3 to 8 carbon atoms, the latter two being optionally substituted with one or more halogen and aryl of 6 to 14 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, --CF.sub.3, --NO.sub.2, --CN, halogen, alkoxy of 1 to 8 carbon atoms, aryl of 6 to 14 carbon atoms, an ester, optionally unsaturated alkyl of 1 to 8 carbon atoms and optionally unsaturated cycloalkyl of 3 to 8 carbon atoms the latter two being optionally substituted with one or more halogen, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms, --CN and --C.tbd.CH and A is the residue of an ACOOH pyrethrinoid acid having pesticidal properties.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: May 15, 1990
    Assignee: Roussel Uclaf
    Inventors: Jacques Demassey, Jean-Pierre Demoute, Jean Tessier
  • Patent number: 4904679
    Abstract: Pyrrolophenylalkanolamines of the formula ##STR1## R.sup.1 and R.sup.2 represent hydrogen or various radicals, R.sup.3 represents hydrogen, acyl or trialkylsilyl,R.sup.4 represents hydrogen or alkyl,R.sup.5 represents hydrogen, or, together with R.sup.3, represents ##STR2## wherein R.sup.7 represents hydrogen or alkyl, andR.sup.6 represents branched or cyfclic alkyl, which is optionally substituted,and salts thereof promote the yield of animals. Many new intermediates are also shown.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: February 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hartmund Wollweber, Jurgen Stoltefuss, Friedrich Berschauer, Ann de Jong, Martin Scheer
  • Patent number: 4897409
    Abstract: A mixture of the 4 stereoisomers of formula (I) below, each of the pairs of corresponding racemic diastereoisomers and each of the enantiomers corresponding to each pair, that is to say each of said stereoisomers: ##STR1## in which R.sub.1 represents: a hydrogen atom,an alkoxy group comprising from 1 to 4 carbon atoms,a trifluoromethyl group, orone or two halogen atoms;and the pair (R.sub.2, R.sub.3) has one of the following meanings: (H, H), (H, C.sub.1 -C.sub.4 alkyl), (C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkyl), as well as their organic and inorganic acid addition salts.The compounds of formula (I) are therapeutically useful.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: January 30, 1990
    Assignee: Delalande S.A.
    Inventors: Michel Langlois, Alain-Rene Schoofs, Jean-Francois Rumigny, Philippe Dostert, Margherita Strolin-Benedetti, Patrice Renaut
  • Patent number: 4876352
    Abstract: There is disclosed a high yielding process for converting a hydroxy alkyl oxazolidine compound to the corresponding fluoro derivative by reacting the hydroxy compound with .alpha., .alpha.-difluoroalkylamine under pressure.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: October 24, 1989
    Assignee: Schering Corporation
    Inventors: Doris P. Schumacher, Jon E. Clark, Bruce L. Murphy
  • Patent number: 4871755
    Abstract: The oxazolidines of the formula ##STR1## wherein n signifies the number 1 or 2.T signifies lower carbalkoxy.X signifies phenoxymethyl optionally mono-fluorinated or mono-chlorinated in the ortho-position or phenyl optionally monosubstituted by fluorine, chlorine, trifluoromethyl or lower-alkoxy.Y signifies hydrogen or methyl, andZ signifies a phenyl or thienyl residue substituted in a defined manner.and the physiologically compatible salts thereof have catabolic activity and can be used for the treatment of obesity and diabetes mellitus or for the treatment of conditions which are associated with an increased protein breakdown, or as feed additives for fattening animals. They are manufactured starting from corresponding primary amines.
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: October 3, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Leo Alig, Marcel Muller
  • Patent number: 4863947
    Abstract: This invention relates to novel N-aryl-3-aryl-4,5-dihydro-1H-pyrazole-1-carboxamide compounds which are useful as pesticides, compositions containing those compounds, methods of controlling pests and processes for preparing these compounds.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: September 5, 1989
    Assignee: Rohm and Haas
    Inventor: Richard M. Jacobson
  • Patent number: 4831153
    Abstract: This invention is a process for the preparation of N-vinyl-2-oxazolidinones which comprises pyrolyzing a N-(1-hydroxyalkyl)-2-oxazolidinone or the N-(1-hydrocarbyloxyalkyl)-2-oxaz olidinone under conditions such that the hydroxy or hydrocarbyloxy moeity is removed to prepared a N-vinyl-2-oxazolidinone.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: May 16, 1989
    Assignee: The Dow Chemical Company
    Inventor: K. Van Phung
  • Patent number: 4812471
    Abstract: Hypoglycemic 5-chromanyl, 2,3-dihydro-5-benzo[b]-furanyl, 5-pyridyl, 5-quinolyl, 5-pyrrolyl, 5-indolyl, 5-thiazolyl, 5-oxazolyl, 5-isothiazolyl and 5-isoxazolyl oxazolidine-2.4-diones and the pharmacetically-acceptable salts thereof; certain 3-acylated derivatives thereof; a method of treating hyperglycemic animals therewith; and intermediates useful in the preparation of said compounds.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: March 14, 1989
    Assignee: Pfizer Inc.
    Inventor: Rodney C. Schnur
  • Patent number: 4801600
    Abstract: Aminomethyl oxooxazolidinyl cycloalkylbenzene derivatives, such as l-N-[3-(2,3-dihydro-1-oxo-1H-inden-5-yl)-2-oxooxazolidin-5-ylmethyl]acetam ide, possess useful antibacterial activity.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: January 31, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Chia-Lin J. Wang, Mark A. Wuonola
  • Patent number: 4798893
    Abstract: A method for the synthesis of the 2-propanone (I) is described starting from alkoxide (II) through the lactone (IV). ##STR1## Excellent control of the location of the substitution on the phenyl ring is achieved and the reaction proceeds in high yield.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: January 17, 1989
    Assignee: McNeilab, Inc.
    Inventors: David A. Cherry, Cynthia A. Maryanoff, John E. Mills, Roy A. Olofson, James D. Rodgers
  • Patent number: 4772309
    Abstract: A 5-Acylamino-pyrazole derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen or nitro,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl or optionally substituted cycloalkyl,R.sup.3 represents hydrogen or alkyl,R.sup.4 represents hydrogen or alkyl,X represents oxygen or sulphur,n represents the integer 0, 1 or 2,Ar represents in each case optionally substituted phenyl or pyridyl andHet represents an optionally substituted 5- or 6- membered heterocyclic radical linked via a carbon atom,which exhibit herbicidal and plant growth regulating activity.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: September 20, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Reinhold Gehring, Otto Schallner, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen
  • Patent number: 4767775
    Abstract: Microbicidal substituted pyrazolin-5-ones of the formula ##STR1## in which R.sup.1 and R.sup.2 independently of one another each represent hydrogen, alkyl, alkenyl, alkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxycarbonyl, hydroxycarbonylalkyl, alkoxycarbonylalkyl, aminocarbonylalkyl, alkylaminocarbonylalkyl or dialkylaminocarbonylalkyl, or represent in each case optionally substituted oxiranylalkyl, aralkyl, heterocyclyl or aryl andHet represents an optionally substituted heterocyclic radical.Intermediates therefor of the formula ##STR2## in which R is alkyl, are also disclosed.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: August 30, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Jelich, Wilhelm Brandes, Gerd Hanssler, Paul Reinecke
  • Patent number: 4762848
    Abstract: Heterocyclic sulfides of the general formula heterocycle-S-R, a process for their preparation and, in particular, their use for immunostimulation, immunorestoration and cytostatic treatment, and pharmaceutical agents, which contain a sulfide of this type, for these indications.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: August 9, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl-Heinz Scheunemann, Walter Durckheimer, Jurgen Blumbach, Michael Limbert, Hans-Ulrich Schorlemmer, Gerhard Dickneite, Hans-Harald Sedlacek
  • Patent number: 4753956
    Abstract: Hypoglycemic 5-chromanyl, 2,3-dihydro-5-benzo[b]-furanyl, 5-pyridyl, 5-quinolyl, 5-pyrrolyl, 5-indolyl, 5-thiazolyl, 5-oxazolyl, 5-isothiazolyl and 5-isoxazolyl oxazolidine-2,4-diones and the pharmaceutically-acceptable salts thereof; certain 3-acylated derivatives thereof; a method of treating hyperglycemic animals therewith; and intermediates useful in the preparation of said compounds.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: June 28, 1988
    Assignee: Pfizer Inc.
    Inventor: Rodney C. Schnur
  • Patent number: 4740231
    Abstract: 1-Aryl-5-alkoximinoalkylamino-pyrazoles of the formula ##STR1## in which R represents cyano or nitro, or represents an optionally substituted heterocyclic radical,R.sup.1 represents hydrogen or alkyl,R.sup.2 represents hydrogen or alkyl, or represents optionally substituted aryl,R.sup.3 represents hydrogen, alkyl or alkenyl, or represents in each case optionally substituted aralkyl or aryl andAr represents optionally substituted phenyl or pyridyl,are active as herbicides and plant growth regulants. Compounds of the formula ##STR2## in which R" has the same definition as R other than cyano, are also active and useful as intermediates as well.
    Type: Grant
    Filed: May 22, 1986
    Date of Patent: April 26, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Otto Schallner, Jorg Stetter, Hans-Joachim Santel, Robert R. Schmidt, Klaus Lurssen
  • Patent number: 4716204
    Abstract: 2-(3H)-benzoxazolone and certain other benzo-N-heterocycles, as such or as their adduction products with epoxides, may be employed as organo-soluble, latent phenolic curing agents for epoxy resins. The phenolic hydroxyls are provided by rearrangement of the adduction products. Excellent shelf lives, pot lives, gel times and physical properties result.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: December 29, 1987
    Assignee: The Dow Chemical Company
    Inventor: Theodore L. Parker
  • Patent number: 4705799
    Abstract: Novel aminomethyl oxooxazolidinyl benzene derivatives, including the sulfides, sulfoxides, sulfones and sulfonamides, such as (l)-N-[3-[4-(methylsulfinyl)phenyl]-2-oxooxazolidin-5-ylmethyl]acetamide, possess useful antibacterial activity.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: November 10, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Walter A. Gregory
  • Patent number: 4698353
    Abstract: Heterocyclic oxazolones enhance myocardial contractile force and cardiac function and are used as cardiotonics in the treatment of heart failure.
    Type: Grant
    Filed: November 13, 1985
    Date of Patent: October 6, 1987
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Richard A. Schnettler, Winton D. Jones, Jr., George P. Claxton
  • Patent number: 4696933
    Abstract: The invention relates to amide derivatives which are histamine H-2 antagonists and which inhibit gastric acid secretion. According to the invention there is provided a guanidine derivative of the formula I: ##STR1## in which R.sup.1 is a hydrogen or 1-10C alkyl, 3-8C cycloalkyl, 4-14C cycloalkyl, 3-6C alkenyl, 3-6C alkynyl, 1-6C alkanoyl, 6-10C aryl, 7-11C aralkyl or 7-11C aroyl, the aryl, aralkyl and aroyl radical being optionally substituted; ring X is a heterocyclic ring as defined in the specification; A is phenylene or 5-7C cycloalkylene, or a 1-8C alkylene into which is optionally inserted one or two groups; D is O or S; and R.sup.2 and R.sup.3 are hydrogen or a variety of radicals described in the specification: and the pharmaceutically-acceptable acid-addition salts thereof. Manufacturing processes and pharmaceutical compositions are also described.
    Type: Grant
    Filed: February 12, 1985
    Date of Patent: September 29, 1987
    Assignees: ICI Americas Inc., Imperial Chemical Industries PLC
    Inventors: Tobias O. Yellin, David J. Gilman
  • Patent number: 4695567
    Abstract: The present invention provided pyrrolobenzimidazoles or tautomer thereof, of the general formula: ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.3 -C.sub.7 cycloalkyl;R.sub.2 is hydrogen, cyano, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, or a carbonyl group substituted by hydroxyl, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkyoxy, amino, C.sub.1 -C.sub.6 alkylamino, C.sub.2 -C.sub.12 dialkylamino or hydrazino, orR.sub.2 and R.sub.1 together with the carbon to which they are attached form a C.sub.3 -C.sub.8 spirocycloalkyl ring, or R.sub.1 and R.sub.2 together form C.sub.3 -C.sub.7 alkylidene or C.sub.3 -C.sub.7 cycloalkylkidene,X is a valency bond, C.sub.1 -C.sub.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: September 22, 1987
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Mertens, Jens-Peter Holck, Herbert Berger, Bernd Muller-Beckmann, Klaus Strein, Egon Roesch
  • Patent number: 4681940
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is N or CR.sup.2Y is O, S, NR.sup.2, CHR.sup.2 or C(R.sup.2).sub.2 when n=0, or N or CR.sup.2 when n=1;p is 0-3;R.sup.1 is ##STR2## R.sup.2 is hydrogen or lower alkyl; R.sup.3 is hydrogen, lower alkyl, phenyl, thienyl, furyl, pyridyl, ##STR3## --C(R.sup.4).sub.3 or --(CH.sub.2).sub.p COOR.sup.2 ; R.sup.4 is halo;Z is O or S;and the pharmaceutically acceptable salts thereof, and their use in the treatment of luekotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, in psoriasis, ulcerative colitis, rheumatoid arthritis as well as in other immediate hypersensitivity reactions.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: July 21, 1987
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Reinhold H. W. Bender
  • Patent number: 4665171
    Abstract: 1-Benzyl (or substituted benzyl)-3.beta.-[4(S)-aryloxazolidin-2-one-3-yl]-4.beta.-(2-arylvinyl)azet idin-2-ones are provided via cycloaddition of a 4(S)-aryloxazolidin-2-one-3-ylacetyl halide and an imine formed with a benzylamine and a 3-arylacrolein, e.g. cinnamaldehyde. The azetidinones are useful chiral intermediates in an asymmetric synthesis of 1-carba(1-dethia)-3-hydroxy-3-cephem-4-carboxylic acids and esters and to monocyclic .beta.-lactam antibiotics.
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: May 12, 1987
    Assignee: Harvard University
    Inventors: David A. Evans, Eric B. Sjogren
  • Patent number: 4663341
    Abstract: This invention relates to N-aryl-3-aryl-4,5-dihydro-1H-pyrazole-1-carboxamide compounds which are useful as pesticides, compositions containing those compounds, methods of controlling pests and processes for preparing these compounds.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: May 5, 1987
    Assignee: Rohm and Haas Company
    Inventor: Richard M. Jacobson
  • Patent number: 4644063
    Abstract: 1,3-Oxazolidine-one derivatives of the following formula ##STR1## where R is straight or branched alkyl of C.sub.3 -C.sub.8, X is hydrogen, halogen, lower alkyl or lower alkoxy and n is 4, 5 or 6, or their acid addition salts are effective for medicinal and agricultural use.
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: February 17, 1987
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Mituo Masaki, Haruhiko Shinozaki, Masaru Satoh, Naoya Moritoh, Koichi Hashimoto, Toshiro Kamishiro
  • Patent number: 4602940
    Abstract: This invention relates to ortho-heterocyclic benzene sulfonylureas which are useful as herbicides and growth regulants.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: July 29, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Anthony D. Wolf
  • Patent number: 4602095
    Abstract: Novel 3-hydroxy-4-alkyloxphenyl heterocyclic aromatic carboxylate compounds particularly well suited as sweeteners in foodstuff.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: July 22, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Jed A. Riemer
  • Patent number: 4598084
    Abstract: N-arylated oxazolidine-2-one derivatives corresponding to the formula: ##STR1## and of S(+) configuration, A representing in this case the hydroxyl radical or of R (+) configuration, A designating then the N-methylamino group, as well as the acid addition salts thereof.Application in therapeutics more particularly as monoamine oxidase inhibitors.
    Type: Grant
    Filed: June 3, 1983
    Date of Patent: July 1, 1986
    Assignee: Delalande S.A.
    Inventors: Margherita Strolin-Benedetti, Patrick G. Guerret, Michel Langlois, Philippe L. Dostert
  • Patent number: 4517197
    Abstract: A compound of the formula ##STR1## where R is selected from the group consisting of CH.sub.3 --CO--(CH.sub.2).sub.2 --O--, ##STR2## The compounds are useful in treating depression.
    Type: Grant
    Filed: July 29, 1983
    Date of Patent: May 14, 1985
    Assignee: Delalande S.A.
    Inventors: Jean-Francois R. Ancher, Guy R. Bourgery, Philippe L. Dostert, Colette A. Douzon, Patrick G. Guerret, Alain P. Lacour, Michel Langlois
  • Patent number: 4515974
    Abstract: Fumaric acid monoesters can be prepared by introducing a hydroxyl compound at a rate corresponding to the progress of the reaction into a solution or a melt of maleic anhydride, which may optionally be substituted, if appropriate in the presence of a cis-trans catalyst. New fumaric acid monoesters can be formed by the process.
    Type: Grant
    Filed: June 25, 1982
    Date of Patent: May 7, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Zecher, Rudolf Merten
  • Patent number: 4499101
    Abstract: The compounds are N,N'-substituted thioureas, ureas and guanidines which are H-2 histamine receptor inhibitors. Two compounds of this invention are N,N'-bis[2-((4-methyl-5-imidazolyl)methylthio)ethyl]thiourea and N,N'-bis[2-((4-methyl-5-imidazolyl)methylthio)ethyl]-N"-cyanoguanidine.
    Type: Grant
    Filed: February 4, 1983
    Date of Patent: February 12, 1985
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Charon R. Ganellin
  • Patent number: 4496571
    Abstract: The invention relates to carbonyl derivatives which are histamine H-2 antagonists and which inhibit gastric acid secretion. According to the invention where is provided a guanidine derivative of the formula I: ##STR1## in which R.sup.1 and R.sup.2, same or different, are hydrogen or 1-10C alkyl, 3-8C cycloalkyl or 4-14C cycloalkylalkyl, each alkyl, cycloalkyl or cycloalkylalkyl optionally carrying one or more F, Cl or Br atoms, provided that one of R.sup.1 and R.sup.2 is halogen substituted, or R.sup.2 is hydrogen and R.sup.1 is R.sup.5 -E-W in which W is 2-6C alkylene optionally substituted by 1 or 2 1-4C alkyls, E is O, S, SO, SO.sub.2 or NR.sup.6 in which R.sup.6 is H or 1-6C alkyl, R.sup.5 is H or 1-6C alkyl optionally substituted by 1 or 2 1-4C alkyls, or R.sup.5 and R.sup.6 are joined to form a pyrrolidine, piperidine, morpholine, piperazine or N-methylpiperazine ring, or R.sup.2 is H and R.sup.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: January 29, 1985
    Assignees: ICI Americas Inc., Imperial Chemical Industries, PLC
    Inventors: Tobias O. Yellin, David J. Gilman, Philip N. Edwards, Michael S. Large, Derrick F. Jones, Keith Oldham
  • Patent number: 4461773
    Abstract: Novel p-oxooxazolidinylbenzene compounds, such as l-4-[5-(hydroxymethyl)-2-oxooxazolidin-3-yl]- benzenesulfonamide, are useful as antibacterial agents.
    Type: Grant
    Filed: January 5, 1984
    Date of Patent: July 24, 1984
    Assignee: E. I. DuPont de Nemours and Company
    Inventor: Walter A. Gregory
  • Patent number: 4435415
    Abstract: N-aryl oxazolidinones, oxazolidinethiones, pyrrolidinones, pyrrolidines and thiazolidinones are disclosed. These compounds possess antidepressant activity.
    Type: Grant
    Filed: June 16, 1982
    Date of Patent: March 6, 1984
    Assignee: Delalande S.A.
    Inventors: Guy R. Bourgery, Colette A. Douzon, Jean-Francois R. Ancher, Alain P. Lacour, Patrick G. Guerret, Michel Langlois, Philippe L. Dostert
  • Patent number: 4410526
    Abstract: Compounds of the formula: ##STR1## and the pharmaceutically acceptable, non-toxic salts and esters (alkyl, 1-6C) thereof, wherein:X is O or S;R.sup.1 is selected from the group consisting of:(a) alkyl or cycloalkyl of 3-8 carbons, ##STR2## R.sup.2 is hydrogen or methyl; exhibit prostaglandin-like activity and are, thus, useful as platelet aggregation inhibitors.
    Type: Grant
    Filed: November 20, 1981
    Date of Patent: October 18, 1983
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, Angel Guzman
  • Patent number: 4397848
    Abstract: The present invention provides pharmaceutical compositions containing N-substituted aziridine-2-carboxylic acid derivatives of the general formula: ##STR1## wherein X is a carboxyl, a cyano, an alkoxycarbonyl or an optionally substituted carbamoyl radical, R is a hydrogen atom, or an optionally substituted aliphatic hydrocarbon radical or cycloalkyl or cycloalkenyl radical, and R.sub.1 is a hydrogen atom or an alkyl or phenyl radical; and the pharmacologically acceptable salts thereof, in admixture with a pharmaceutical diluent or carrier. The present invention also provides, as new compounds, N-substituted aziridine-2-carboxylic acid derivatives of general formula (I') but with the proviso that when X is a carbamoyl or alkoxycarbonyl radical and R.sub.1 is a hydrogen atom, R is not a methyl, ethyl, isopropyl or benzyl radical; and the pharmacologically acceptable salts thereof, and also provides processes for the preparation of these new compounds.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: August 9, 1983
    Assignee: Boehringer Mannheim GmbH
    Inventors: Elmar Bosies, Wolfgang Kampe, Max Thiel, Uwe Bicker, Dietmar Boerner
  • Patent number: 4375472
    Abstract: Amidinosulphonic acid derivatives carrying an unsaturated nitrogen heterocycle-containing substituent, representative of which are N-methyl-N'[2-(5-methyl-4-imidazolylmethylthio)- ethyl] amidinosulphonic acid and N-methyl-N'-[2-(3-chloropyrid-2-ylmethylthio) ethyl] amidinosulphonic acid, are histamine H.sub.2 -receptor antagonists.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: March 1, 1983
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Rodney C. Young, Zev Tashma
  • Patent number: 4372963
    Abstract: Bisamidines carrying one unsaturated nitrogen heterocyclo-containing substituent, representative of which i; 1-[N'-(2-(5-methyl-4-imidazolyl)methylthio)ethyl)guanidino]-8-[N'-methylgu anidino]octane, are histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: February 8, 1983
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, Peter D. Miles
  • Patent number: 4348393
    Abstract: N-aryl oxazolidinones, oxazolidinethiones, pyrrolidinones, pyrrolidines and thiazolidinones are disclosed. These compounds possess antidepressant activity.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: September 7, 1982
    Assignee: Delalande S.A.
    Inventors: Guy R. Bourgery, Colette A. Douzon, Jean-Francois R. Ancher, Alain P. Lacour, Patrick G. Guerret, Michel Langlois, Phillippe L. Dostert
  • Patent number: 4338451
    Abstract: There are disclosed 3-substituted phenyl-5-hydroxymethyl oxazolidinones which possess anti-depressant properties. The compounds are prepared by cyclizing, with ethyl carbonate, 1-substituted phenylamino-2,3-propanediol compounds.
    Type: Grant
    Filed: August 1, 1980
    Date of Patent: July 6, 1982
    Assignee: Delalande S.A.
    Inventors: Philippe L. Dostert, Colette A. Douzon, Guy R. Bourgery, Claude G. Gouret, Gisele C. Mocquet, Jean A. Coston
  • Patent number: RE33125
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: December 5, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Henry F. Campbell, Thomas H. Scholtz, George H. Douglas