Six-membered Hetero Ring Consists Of Oxygen, Nitrogen And Carbon (e.g., 1,2-oxazines, Etc) Patents (Class 544/63)
  • Patent number: 5565410
    Abstract: Substituted 3,5-dioxo-3,4,5,6-tetrahydrooxazines as herbicides.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: October 15, 1996
    Assignee: Sandoz Ltd.
    Inventor: Shy-Fuy Lee
  • Patent number: 5534483
    Abstract: There are provided novel (2-imidazolin-2-yl) fused heteropyridine compounds, 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: June 2, 1995
    Date of Patent: July 9, 1996
    Assignee: American Cyanamid Company
    Inventors: Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
  • Patent number: 5532228
    Abstract: The invention discloses side-chain homologous vitamin D derivatives of formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, B, and D have the meanings defined in the specification and either (1) A is a direct bond between carbon atoms 20 and 22 and X is an oxy alkylene radical, --(CH.sub.2).sub.n O-- where n is 1 to 3; (2) A is a methylene bridge, --CH.sub.2 --, between carbon atoms 20 and 22 and X is either an alkylene radical, --(CH.sub.2).sub.n -- or an oxy alkylene radical, --(CH.sub.2).sub.n O--, where n is 1 to 3; or (3) if A is a direct bond and B and D together form a second bond, then X(R.sup.5) (R.sup.6) is ##STR2## The compounds possess proliferation-inhibiting and cell-differentiating activity.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: July 2, 1996
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Gerald Kirsch, Andreas Stein-Eyer, Katica Schwarz, Matthias Brautigam, Ruth Thieroff-Ekerdt, Petra Rach
  • Patent number: 5532203
    Abstract: Mixtures of a herbicidally effective amount of a pyridylsulfonylurea of formula I, ##STR1## wherein R, R.sub.1, R.sub.2 and A are as defined in claim 1, and of a herbicide-antagonistically effective amount of a sulfamoylphenylurea of formula II, ##STR2## wherein R.sub.7 to R.sub.11 and A.sub.2 are as defined in claim 1, are very suitable for controlling weeds in crops of useful plants, especially maize and sugar cane.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: July 2, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Werner Fory, Elmar Kerber, Manfred Hudetz
  • Patent number: 5523411
    Abstract: The present invention relates to the synthesis of mitomycin and analogs thereof that are useful as anticancer antibiotics. The invention further relates to analogs of mitomycin, which can be prepared according to the methods of synthesis provided. The synthetic method of the invention provides for reacting a derivitized indole with a dialkylvinylsulfonium salt to yield a tricyclic skeleton having the precursors of the fourth ring in one step, followed by an oxidation step or steps to close the fourth ring and prepare mitomycin or a related compound.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: June 4, 1996
    Assignee: Rutgers University
    Inventors: Leslie Jimenez, Zheng Wang
  • Patent number: 5510318
    Abstract: The present invention relates to novel oxazine ether derivatives of Formula I, to compositions containing them, to methods of using the compounds or compositions to control the growth of undesired vegetation and novel intermediates for their preparation. ##STR1## wherein: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and Q are defined in the text.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: April 23, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Kanu M. Patel, Thomas M. Stevenson
  • Patent number: 5496943
    Abstract: Disclosed is a novel heterocyclic compound selected from the group consisting of the compounds [IV] to [VII], [IX] and [X]. The heterocyclic compound is useful for reactive materials in chemical industry. A process for producing the heterocyclic compound is also disclosed.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: March 5, 1996
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Otohiko Tsuge, Taizo Hatta, Satoshi Urano, Noriyuki Tsuboniwa, Ryuzo Mizuguchi
  • Patent number: 5495018
    Abstract: The invention provides compounds of the formulas ##STR1## which are useful as intermediates for the preparation of 6-demethyl-6-deotetracycline antibiotic agents.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: February 27, 1996
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
  • Patent number: 5495032
    Abstract: The invention provides a process for the production of compounds of the formula: ##STR1## wherein, R, R.sup.3, R.sup.4, X and W are defined in the specification in which a compound of the following formula: ##STR2## is reacted with a nucleophile of the formula WH in an inert atmosphere in the presence of a polar-protic or a polar-aprotic solvent. The resulting compounds are useful as antibiotics.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: February 27, 1996
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
  • Patent number: 5463052
    Abstract: A selective and high-yield method is described for producing stereoisomeric benzylidene derivatives of the formula III: ##STR1## wherein R.sup.1 and R.sup.2 each independently is lower alkyl, lower alkoxy or halogen; Y is SO.sub.2, SO or CO; --A-- is optionally substituted lower alkylene; --B-- is --CH.sub.2 -- or --O--; or --A-- and --B-- taken together may form optionally substituted phenylene or optionally substituted lower alkenylene; and R is hydrogen, optionally substituted lower alkyl, cycloalkyl, lower alkoxy, hydroxy, optionally substituted aryl, optionally substituted arylalkyl; optionally substituted arylalkyloxy, heterocyclic ring or N-protecting groups, which comprises reacting a compound of the formula I: ##STR2## wherein R.sup.1 and R.sup.2 are as defined above and X is lower alkoxy or halogen with a compound of the formula II: ##STR3## wherein Y, --A--, --B-- and R are as defined above in the presence of a base.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: October 31, 1995
    Assignee: Shionogi & Co., Ltd.
    Inventors: Nobuhiro Haga, Masanao Inagaki, Saichi Matsumoto, Susumu Kamata
  • Patent number: 5442059
    Abstract: The invention provides compounds of the formula: ##STR1## wherein R, and R.sup.1 and W are defined in the specification. These compounds are useful as antibiotic agents.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: August 15, 1995
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
  • Patent number: 5430153
    Abstract: The present invention relates to novel 2-quinolinone derivanves of the following general formula(I) useful in agriculture, especially as fungicides but also as insecticides and miticides. ##STR1## wherein, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, halogen, C.sub.1 -C.sub.10 alkyl, branched C.sub.c -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 haloallcylthio, NO.sub.2, CN, alkoxy carbonyl, phenyl, substituted phenyl, phenoxy, substituted phenoxy, benzenesulfonyl, benzyi, substituted benzyl or morpholine;R.sub.5 is C.sub.1 -C.sub.6 alkyl, branched C.sub.3 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, phenyl, substituted phenyl, benzyl or phenylthio methyl: andX is S(O)nR.sub.6, OR.sub.9 or NAB:wherein.n is 0 or 1;R.sub.6, R.sub.9, A and B are defined within the description.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: July 4, 1995
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Chwang S. Pak, Eun B. Choi, Heui C. Yang, Gyu H. Yon, Ge H. Lee, Hyeon K. Lee, Sung K. Kim, Yeon S. Lee, Kwang W. Lee, Young R. Chung, Heung T. Kim
  • Patent number: 5420272
    Abstract: The invention provides compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4, X and W are defined in the specification. These compounds are useful as antibiotic agents.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: May 30, 1995
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
  • Patent number: 5373007
    Abstract: The invention concerns a bicyclic heterocyclic compound of the formula I ##STR1## wherein Q is an optionally substituted 10-membered bicyclic heterocyclic moiety containing 1 or 2 N's and a further O or S heteroatom;A.sup.1 is a direct link to X.sup.1 or (1-3C)alkylene;X.sup.1 is oxy, thio, sulphinyl, sulphonyl or imino;Ar is optionally substituted phenylene or pyridylene;R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; andR.sup.2 and R.sup.3 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- which,together with the carbon atom to which A.sup.2 and A.sup.3 are attached, defines a ring having 5 to 7 ring atoms, wherein each of A.sup.2 and A.sup.3 is (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl or sulphonyl; or a pharmaceutically-acceptable salt thereof.The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: December 13, 1994
    Assignees: Zeneca Limited, Pharma Zenega
    Inventors: Pierre A. R. Bruneau, Graham C. Crawley
  • Patent number: 5364868
    Abstract: Amino-substituted benzoylguanidines, process for their preparation, their use as a medicament and medicament containing themBenzoylguanidines of the formula I ##STR1## are described in which R(1) or R(2) is an amino group --NR(3)R(4), where R(3) and R(4) are H or (cyclo)alkyl or R(3) is phenyl-(CH.sub.2).sub.p -- where p=0, 1, 2, 3 or 4, or phenyl, or R(3) and R(4) can also together be a methylene chain, and in which the other substituent R(1) or R(2) in each case is H, F, Cl, alkyl, alkoxy, CF.sub.3, C.sub.m F.sub.2m+1 --CH.sub.2 --, benzyl or phenoxy, and their pharmaceutically tolerable salts.The compounds according to the invention have very good antiarrhythmic properties, as occur, for example, in the case of oxygen deficiency symptoms.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: November 15, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich Englert, Dieter Mania, Hans-Jochen Lang, Wolfgang Scholz, Wolfgang Linz, Udo Albus
  • Patent number: 5348949
    Abstract: The invention relates to a method of preparing N-oxo-tetrahydro-.beta.-carbolines having formula 1. ##STR1## by an intramolecular ringclosure reaction of compounds of formula 2. ##STR2## wherein Z is an aldehyde function or acetal function, or is a functional group which can be converted into such a function during the ringclosure reaction.The eudistomin derivatives within the group of compounds having formula 1 have strong antiviral and antitumour activity.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: September 20, 1994
    Assignee: Duphar International Research B.V.
    Inventors: Peter H. H. Hermkens, Jan H. Van Maarseveen, Johan W. Scheeren, Cornelis G. Kruse
  • Patent number: 5336662
    Abstract: Substituted 3,5-dioxo-3,4,5,6-tetrahydrooxazines as herbicides.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: August 9, 1994
    Assignee: Sandoz Ltd.
    Inventor: Shy-Fuy Lee
  • Patent number: 5328915
    Abstract: Arthropodicidal compounds, compositions and arthropodicidal use of compounds having the formula ##STR1## wherein A, X, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, m and n are as defined in the text.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: July 12, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jeffrey K. Long, Patrick D. Lowder, Thomas M. Stevenson
  • Patent number: 5328902
    Abstract: The invention provides compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4 and W are defined in the specification. These compounds are useful as antibiotic agents.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: July 12, 1994
    Assignee: American Cyanamid Co.
    Inventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
  • Patent number: 5304530
    Abstract: The invention provides compounds of formula I ##STR1## wherein W, D, R.sup.1, R.sup.2, R.sup.3, X, m, n and p are as defined in the description. The compound have valuable pesticidal activity especially against fungi, insects, nematodes, acarids and weeds.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: April 19, 1994
    Assignee: Schering Agrochemicals Limited
    Inventors: Geoffrey R. Cliff, Ian C. Richards
  • Patent number: 5300640
    Abstract: A novel herbicidal pyrimidine derivative represented by the formula ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, Y.sup.1, Y.sup.2, Y.sup.3, X and Z are as defined herein.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: April 5, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Mitsumori Hiratsuka, Naonori Hirata, Kazuo Saito, Hideyuki Shibata
  • Patent number: 5294611
    Abstract: The invention provides novel 2,3,6 substituted quinazolinones having the formula: ##STR1## wherein R.sup.6, R and X are as described in the specification, which have activity as angiotensin II (AII) antagonists.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: March 15, 1994
    Assignee: American Cyanamid Company
    Inventors: Aranapakam M. Venkatesan, Jeremy I. Levin
  • Patent number: 5284945
    Abstract: The process according to the invention for the preparation of herbicidal pyridylsulfonylureas of the formula (I) ##STR1## in which R.sup.1 to R.sup.5 and X are as defined in claim 1 comprises the reaction of the zwitterion (II) with the amino heterocycle (III) ##STR2## The novel zwitterionic 1,1,3-trioxo-1,2,4-thiadiazolo[4,5-a]pyridines can be obtained according to the invention by the reaction of phosgene with compounds IV, or the reaction of phosgene with compounds V ##STR3## in the presence of an alkyl isocyanate.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: February 8, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Heinz Kehne
  • Patent number: 5283355
    Abstract: Compounds of the Formula (5) and processes for their preparation and use, particularly in the manufacture of unsymmetrical triphenodioxazine dyes: ##STR1## wherein: Y is H, alkyl, substituted alkyl, alkoxy, Cl or Br;R is a group of Formula (3) ##STR2## R.sup.1 and R.sup.2 are each independently alkyl, or R.sup.1 and R.sup.2 together with the carbon atom to which they are attached form an optionally substituted 4, 5 or 6 membered alicyclic or heterocyclic ring;R.sup.3 is H;Z is Cl, Br or A--NH; andA is H or the residue of a primary amine.
    Type: Grant
    Filed: October 22, 1991
    Date of Patent: February 1, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventor: William J. E. Norris
  • Patent number: 5280009
    Abstract: Pyrimidine derivatives of the Formula Ia or Ib ##STR1## where the substituents have the following meanings: R.sup.1 is hydrogen or alkyl;A is a substituted or unsubstituted bi- or tricyclic carbo- or heterocyclic radical which may contain one or several double bonds;R.sup.5 is H or alkyl;X is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio or haloalkylthio; and addition salts thereof with organic or inorganic acids and the use of said pyrimidine derivative to control undesirable plant growth.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: January 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Klaus Ditrich, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter
  • Patent number: 5270327
    Abstract: Analgesic compounds of the formula (I): ##STR1## in which, R.sup.1 R.sup.2 each represents hydrogen or C.sub.1 -C.sub.6 alkyl, or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached form a 5-6-membered N-heterocyclic ring optionally having a further O, N, or S heteroatom; E represents methylene; ring A is an unsubstituted or substituted benzene or naphthalene; R.sup.3 and R.sup.4 together represent a group of formula (IV):--(CR.sup.a R.sup.a).sub.m --C(=Y)-- (IV)wherein R.sup.a and R.sup.a is C.sub.1 -C.sub.6 alkyl or hydrogen with up to a maximum of 3 alkyl groups, m is 1, 2, or 3, and Y is two hydrogens or oxygens.
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: December 14, 1993
    Assignee: Sankyo Company, Limited
    Inventors: Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi, Kenji Fujibayashi
  • Patent number: 5264440
    Abstract: Compounds having the formula (I): ##STR1## in which any two of K, L and M are nitrogen and the other is CE; X and Y are independently hydrogen, halogen, C.sub.1-4 alkyl, C.sub.3-6 cycloalkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, C.sub.2-4 alkynyloxy, phenyl, benzyloxy, cyano, isocyano, isothiocyanato, nitro, NR.sup.1 R.sup.2, NR.sup.1 OR.sup.2,N.sub.3, NHCOR.sup.1, NR.sup.1 CO.sub.2 R.sup.2, NHCONR.sup.1 R.sup.2, N.dbd.CHNR.sup.1 R.sup.2, NHSO.sub.2 R.sup.1, OR.sup.1, OCOR.sup.1, OSO.sub.2 R.sup.1, SR.sup.1, SOR.sup.1, SO.sub.2 R.sup.1, SO.sub.2 OR.sup.1, SO.sub.2 NR.sup.1 R.sup.2, COR.sup.1, CR.sup.1 .dbd.NOR.sup.2, CHR.sup.1 CO.sub.2 R.sup.2, CO.sub.2 R.sup.1, CONR.sup.1 R.sup.2, CSNR.sup.1 R.sup.2, CH.sub.3 O.sub.2 C.C:CH.OCH.sub.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: November 23, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Ian T. Streeting, Rex Cheetham
  • Patent number: 5264032
    Abstract: Pigment preparation essentially comprisinga) at least one pigment from the class of azo, anthrapyrimidine, anthanthrone, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perylene, phthalocyanine, pyranthrone or thioindigo pigments or a mixture of pigments belonging to various classes, andb) at least one dispersant of the formula (I) ##STR1## in which P, independently of the pigments mentioned in a), is a radical of an anthanthrone azo, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, indanthrone, perylene, phthalocyanine or thioindigo pigment,R.sup.1 and R.sup.2, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: November 23, 1993
    Assignee: Hoechst AG
    Inventors: Erwin Dietz, Manfred Urban
  • Patent number: 5252734
    Abstract: Antibacterial 5-alkylquinolonecarboxylic acids of the formula ##STR1## in which R.sup.3 is C.sub.1 -C.sub.4 - alkyl,R.sup.1 is optionally substituted alkyl or cycloalkyl, alkenyl, alkoxy, amino or alkylamino or optionally substituted phenyl,R.sup.2 is hydrogen or optionally substituted alkyl,R.sup.4 is a nitrogen-containing heterocyclic radical, andA is hydrogen, halogen, methyl, cyano or nitro, or forms a bridge with R.sup.1.and hydrates and salts thereof.
    Type: Grant
    Filed: February 5, 1992
    Date of Patent: October 12, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Schriewer, Klaus Grohe, Andreas Krebs, Uwe Petersen, Thomas Schenke, Ingo Haller, Karl G. Metzger, Rainer Endermann, Hans-Joachim Zeiler
  • Patent number: 5237065
    Abstract: Invented are 4-aza-5-alpha-8(14)-17 substituted-androsten-3-ones having an 8(14), 7(8), or 16(17) double bond, optionally also having a 1(2) double bond, pharmaceutical compositions containing the compounds, and methods of using these compounds to inhibit steroid 5-alpha-reductase.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: August 17, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: Dennis A. Holt, Mark A. Levy, Brian W. Metcalf
  • Patent number: 5235050
    Abstract: The process according to the invention for the preparation of herbicidal pyridylsulfonylureas of the formula (I) ##STR1## in which R.sup.1 to R.sup.5 and X are as defined in claim 1 comprises the reaction of the zwitterion (II) with the amino heterocycle (III) ##STR2## The novel zwitterionic 1,1,3-trioxo-1,2,4-thiadiazolo-[4,5-a]pyridines can be obtained according to the invention by the reaction of phosgene with compounds IV, or the reaction of phosgene with compounds V ##STR3## in the presence of an alkyl isocyanate.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: August 10, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Heinz Kehne
  • Patent number: 5217969
    Abstract: The invention concerns a bicyclic heterocyclic compound of the formula I ##STR1## wherein Q is an optionally substituted 10-membered bicyclic heterocyclic moiety containing 1 or 2 N's and a further O or S heteroatom;A.sup.1 is a direct link to X.sup.1 or (1-3C)alkylene;X.sup.1 is oxy, thio, sulphinyl, sulphonyl or imino;Ar is optionally substituted phenylene or pyridylene;R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; andR.sup.2 and R.sup.3 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- which, together with the carbon atom to which A.sup.2 and A.sup.3 are attached, defines a ring having 5 to 7 ring atoms, wherein each of A.sup.2 and A.sup.3 is (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl or sulphonyl; or a pharmaceutically-acceptable salt thereof.The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: June 8, 1993
    Assignees: Imperial Chemical Industries PLC, ICI Pharma
    Inventors: Pierre A. R. Bruneau, Graham C. Crawley
  • Patent number: 5215986
    Abstract: Novel 5, 6, or 7 membered oxaza heterocycles substituted at the 4-carbon by a 5-hydroxypyrimidinylmethylene group inhibitors of 5-lipoxygenase and/or cyclooxygenase and are thus useful in treating inflammatory diseases are described as well as pharmaceutical compositions, methods of manufacture of the compounds, and compositions and methods of treating the noted diseases.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: June 1, 1993
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Catherine R. Kostlan, Gary P. Shrum, Paul C. Unangst
  • Patent number: 5212301
    Abstract: Introduction of a fluoro substituent into an aromatic ring adjacent an electron donating group is difficult producing mixed isomers and low yields of desired products.A process for the introduction of a fluoro substituent into a substantially adjacent position to an electron-donating group into an aromatic compound in high yield is disclosed.The fluoroaromatic compounds are useful as synthetic intermediates for example in the manufacture of agrochemicals, pharmaceuticals and dyestuffs.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: May 18, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: John S. Moilliet, Richard D. Chambers, Michael H. Rock
  • Patent number: 5162325
    Abstract: Substituted heterocycles attached through a methylene bridge to novel substituted phenyl derivatives of the Formula I are useful as angiotensin II antagonists.
    Type: Grant
    Filed: May 7, 1991
    Date of Patent: November 10, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Prasun K. Chakravarty, Malcolm MacCoss, Nathan Mantlo, Thomas F. Walsh
  • Patent number: 5153193
    Abstract: There are disclosed various compounds of the formula below, ##STR1## where the parameters R.sub.1 and R.sub.2 are as defined in the specification, which compounds are useful for alleviating various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: October 6, 1992
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Denise M. Flanagan, Lawrence L. Martin
  • Patent number: 5149872
    Abstract: A new process for preparing oxalyl- and oxamyl-hydrazides which comprises contacting oxamide or diacetyloxamide with the corresponding hydrazine derivative of formulaR.sub.1 R.sub.2 N--NHR.sub.3wherein R.sub.1 represents a hydrogen atom or an optionally substituted alkyl, cycloalkyl, aryl, or aryl-alkyl group, R.sub.2 is a hydrogen atom or an optionally substituted alkyl group, or R.sub.1 and R.sub.2 taken together with the adjacent nitrogen atom represent a saturated heterocyclic ring, and R.sub.3 is a hydrogen atom or an optionally substituted alkyl group.
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: September 22, 1992
    Assignee: Enichem Anic S.p.A.
    Inventors: Giuseppe Messina, Loreno Lorenzoni, Paolo Calaresu, Giovanni M. Sechi
  • Patent number: 5137886
    Abstract: The invention provides insecticidally active compounds of formula (I): ##STR1## wherein X is nitrogen or carbon bearing a hydrogen atom; R.sup.1 is a group of formula --S(O).sub.n --Y, wherein Y is an optionally substituted heterocyclic ring containing at least one nitrogen atom, the point of attachment of the group Y being at a ring nitrogen atom, and n is 0, 1 or 2; R.sup.2 is a group of formula --OSO.sub.2 R.sup.3 wherein R.sup.3 is selected from C.sub.1-8 alkyl, C.sub.1-4 alkyl substituted by an optionally substituted phenyl or heterocyclic ring, C.sub.1-8 haloalkyl, C.sub.2-6 alkenyl, C.sub.2-4 alkenyl substituted by an optionally substituted phenyl or heterocyclic ring, C.sub.2-4 alkynyl, C.sub.2-4 alkynyl substituted by an optionally substituted phenyl or heterocyclic ring, optionally substituted aryl, and a group of formula --N(R.sup.4)(R.sup.5) wherein R.sup.4 and R.sup.5 are independently selected from hydrogen and C.sub.1-6 alkyl or wherein R.sup.4 and R.sup.5 together represent --(CH.sub.2).sub.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: August 11, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Robin A. E. Carr, Donn W. Moseley, Nan C. Sillars
  • Patent number: 5137892
    Abstract: Novel antibacterial compounds are disclosed having the formula ##STR1## as well as pharmaceutically acceptable salts, esters, amide and prodrugs thereof,wherein R.sup.1 is selected from the group consisting of (a) lower alkyl, (b) halo(lower alkyl), (c) lower alkyl(alkynyl), (d) lower cycloalkyl, (e) lower alkylamino, (f) nitrogen-containing aromatic heterocycle, (g) bicyclic alkyl and (h) phenyl;R.sup.2 is selected from the group consisting of hydrogen, lower alkyl, a pharmaceutically acceptable cation, and a prodrug ester group;R.sup.3 and R.sup.4 are independently selected from the group consisting of hydrogen, halogen, amino, and lower alkyl;R.sup.5 is either a nitrogen-containing heterocycle or a nitrogen-containing spiro-bicyclic-heterocycle; andA is N or C--R.sup.6, wherein R.sup.6 is selected from the group consisting of hydrogen, halogen, lower alkyl, and lower alkoxy, or R.sup.1 and R.sup.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: August 11, 1992
    Assignee: Abbott Laboratories
    Inventors: Daniel T. Chu, Curt S. Cooper
  • Patent number: 5136085
    Abstract: Process for synthesizing 2-aminobenzophenones such as the following formula (I): ##STR1## wherein X.sup.1 and X.sup.2 are substituents and r and s are 1 or 2, by reacting an anthranilic acid amide e.g. an N-alkoxy-N-alkyl anthranilic acid amide, with a halobenzene in the presence of an alkyllithium reagent.
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: August 4, 1992
    Assignee: Glaxo Inc.
    Inventors: Marty C. Johnson, Stephen V. Frye
  • Patent number: 5135926
    Abstract: New soft .beta.-adrenergic blocking agents, useful in the treatment or prevention of cardiovascular disorders and in the treatment of glaucoma, have the formula ##STR1## wherein n is an integer from 0 to 10; R is C.sub.6 -C.sub.12 cycloalkyl-C.sub.p H.sub.2p -, C.sub.6 -C.sub.18 polycycloalkyl-C.sub.p H.sub.2p -, C.sub.6 -C.sub.18 polycycloalkenyl-C.sub.p H.sub.2p - or C.sub.6 -C.sub.12 cycloalkenyl-C.sub.p H.sub.2p - (wherein p is 0, 1, 2 or 3), or together with the adjacent ##STR2## group represents a variety of other complex ester groupings; R.sub.1 is C.sub.1 -C.sub.7 alkyl; and Ar is a divalent radical containing at least one aromatic nucleus. The corresponding pharmaceutically acceptable acid addition salts are also described.
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: August 4, 1992
    Inventor: Nicholas S. Bodor
  • Patent number: 5136034
    Abstract: Thioacids, thiols, an acid, and an aldehyde are used to produce chiral thioacetals of the general formula. ##STR1## The compounds are leukotriene antagonists.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: August 4, 1992
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Robert N. Young, Michel Therien, Jacques-Yves Gauthier, Robert Zamboni, Michel L. Belley
  • Patent number: 5128330
    Abstract: A new class of phosphines in which the phosphorous atom is bonded directly to the carbon of an oxazinone: ##STR1## In addition to their anti-inflammatory activity, these phosphines are useful as intermediates in producing compounds where the phosphine is replaced by a benzylidine, compounds which have also been proven useful in the treatment of inflammation and other conditions associated with arthritis.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: July 7, 1992
    Assignee: Biofor, Ltd.
    Inventor: Sung J. Lee
  • Patent number: 5125957
    Abstract: A pyrimidine derivative represented by the formula ##STR1## wherein the variables are defined below in the specification, and their production and herbicidal activities are described.
    Type: Grant
    Filed: October 24, 1990
    Date of Patent: June 30, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Mitsunori Hiratsuka, Naonori Hirata, Kazuo Saito, Hideyuki Shibata
  • Patent number: 5106840
    Abstract: The invention relates to a method of preparing N-oxo-tetrahydro-.beta.-carbolines having formula 1. ##STR1## wherein R.sub.1 is lower alkyl or alkoxy, halogen, trifluoromethyl, lower alkylthio, hydroxy, amino, lower mono- or dialkyl- or acylamino.n has the value 0, 1 or 2,R.sub.2 is hydrogen, lower alkyl or acyl,R.sub.3 is hydrogen, lower alkyl or alkoxycarbonyl, or a phenyl group optionally substituted with a group R.sub.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: April 21, 1992
    Assignee: Duphar International Research B.V.
    Inventors: Peter H. H. Hermkens, Jan H. Van Maarseveen, Johan W. Scheeren, Cornelis G. Kruse
  • Patent number: 5097027
    Abstract: Heterocyclic compounds of the formula ##STR1## are used as pigments for surface coatings and for coloring and pigmenting high molecular weight organic material.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: March 17, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventor: Hans Hochstetter
  • Patent number: 5073188
    Abstract: Compounds of the formula ##STR1## wherein x is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom or a halogen atom,R.sup.1 is a hydrogen atom, a hydroxy group, an alkoxy group, or an optionally-substituted alkyl group, andR.sup.2 is a hydrogen atom or an optionally-substituted alkyl group, or R.sup.1 and R.sup.2 can be taken together to form a heterocyclic ring,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: December 17, 1991
    Assignee: Rohm and Haas Company
    Inventor: Wayne O. Johnson
  • Patent number: 5071636
    Abstract: A polyaminedithiol compound of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.11 and R.sub.12 are each a lower alkyl group, R.sub.21 is a hydrogen atom or a lower alkyl group, and R.sub.3 and R.sub.13 are each a hydrogen atom or a nitrogen-containing organic group, provided that at least one of R.sub.3 and R.sub.13 is a nitrogen-containing organic group, which is used for imaging of the regional cerebral blood flow.
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: December 10, 1991
    Assignee: Nihon Medi-Physics Co., Ltd.
    Inventors: Hirohiko Yamauchi, Jun Takahashi, Sakae Okano, Shigemi Seri, Makoto Azuma
  • Patent number: 5047406
    Abstract: Substituted cyclohexanols and cyclohexylamines and derivatives thereof are described, as well as methods for the preparation and pharmaceutical composition of same, which are useful as central nervous system agents and are particularly useful as dopaminergic, antipsychotic, and antihypertensive agents as well as for treating hyperprolactinaemia-related conditions and central nervous system disorders.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: September 10, 1991
    Assignee: Warner-Lambert Co.
    Inventors: Bradley W. Caprathe, Juan C. Jaen, Sarah J. Smith, Lawrence D. Wise
  • Patent number: 5041545
    Abstract: Hydrazide functionalized 2-hydroxybenzophenone ultraviolet light and heat stabilizers and derivatives are disclosed having the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X, Y, Z, all substituents thereof, and n are set forth in the Summary of the Invention. Y--N(R.sup.6)--Z is the hydrazide or derivative group and --X--R.sup.5 -- links the hydrazide group to an aromatic nucleus of the optionally substituted benzophenone group. Derivatives are, for example, acyl hydrazides, diacyl hydrazides (including imides), hydrazones and alkyl hydrazides. The compounds are useful as ultraviolet light absorbers and heat stabilizers for plastics.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: August 20, 1991
    Assignee: Atochem North America, Inc.
    Inventor: Terry N. Myers