Spiro Patents (Class 540/543)
  • Patent number: 5200413
    Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein L is NH;X and Y are independently selected from hydrogen or C.sub.1-4 alkyl, or together are a bond;R.sub.1 and R.sub.2 are independently selected from hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl-C.sub.1-4 alkyl, or together are C.sub.2-4 polymethylene;R.sub.3 and R.sub.4 are independently selected from hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-7 acyl, C.sub.1-7 acylamino, C.sub.1-6 alkylsulphonylamino, N-(C.sub.1-6 alkylsulphonyl)-N-C.sub.1-4 alkylamino, C.sub.1-6 alkylsulphinyl, hydroxy, nitro or amino, aminocarbonyl, aminosulphonyl, aminosulphonylamino or N-(aminosulphonyl)-C.sub.1-4 alkylamino optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl C.sub.1-4 alkyl, phenyl or phenyl C.sub.1-4 alkyl groups or optionally N-disubstituted by C.sub.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: April 6, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Francis D. King, Karen A. Joiner
  • Patent number: 5189168
    Abstract: This invention relates to 1'-amino-2-[(benzothiazolyl)methyl]spiro[isoquinoline-4(1H),3'-pyrrolidine ]-1,2',3,5'(2H)-tetrones represented by formula (I): ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, halogen, lower alkoxy containing 1 to 6 carbon atoms, trifluoromethyl or nitro;R.sup.4 and R.sup.5 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, aryl, aryl (lower alkyl) wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms, alkanoyl of 2 to 5 carbon atoms, carboalkoxy, alkylsulfoxy, arylsulfoxy, alkylsulfonyl, arylsulfonyl wherein aryl contains 6 to 10 carbon atoms and alkoxy and alkyl contain 1 to 6 carbon atoms, or R.sup.4 and R.sup.5 together with the nitrogen atoms to which they are bonded represent a heterocyclic ring of 5 to 7 ring atoms and the pharmaceutically acceptable salts thereof when R.sup.4 and R.sup.5 are hydrogen, alkyl or aryl.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: February 23, 1993
    Assignee: American Home Products Corporation
    Inventor: Michael S. Malamas
  • Patent number: 5177216
    Abstract: The present invention provides a new diastereomer ester compound which is useful as an intermediate in the making of an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: January 5, 1993
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventor: Tsutomu Yamanaka
  • Patent number: 5158948
    Abstract: Novel tetracyclic spirobenzazepine compounds of the formula ##STR1## or a pharmaceutically-acceptable salt, amide or ester thereof, which are dopamine D-1 receptor antagonists useful for treating dopamine-related neurological and psychological disorders, cognitive impairment, attention deficit disorders and addictive behavior disorders.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: October 27, 1992
    Assignee: Abbott Laboratories
    Inventors: Robert W. Schoenleber, Paul P. Ehrlich, John W. Kebabian, James R. Campbell
  • Patent number: 5142054
    Abstract: Disclosed are new 1,3-dioxenones having the formulae ##STR1## in an optically pure state, a process for preparing same and the use thereof.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: August 25, 1992
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Kurt Schaffner, Martin Demuth
  • Patent number: 5104872
    Abstract: Compound of the general formula (I), which is useful as an agricultural and horticultural fungicide, an agricultural and horticultural fungicidal composition containing said compound, use of said composition for controlling plant disease, and process for the production of said compound: ##STR1## wherein ##STR2## shows a case in which R.sup.3 and R.sup.4 together form a cyclic substituent, and R.sup.1 and R.sup.4 are substituents disclosed in the specification.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: April 14, 1992
    Assignee: Nihon Hohyaku Co., Ltd.
    Inventors: Kenji Tsubata, Nobuyuki Niino, Katsutoshi Endo, Yoshinobu Yamamoto, Hideo Kanno
  • Patent number: 5061813
    Abstract: Novel compounds are disclosed having the formula ##STR1## and R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are as defined herein. These compounds are useful, for example, as cardiovascular agents and especially as anti-ischemic agents.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: October 29, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Karnail Atwal
  • Patent number: 5055576
    Abstract: New photochromatic and thermochromatic compounds of the spiro-oxazepin-oxazine class are definable by the general formula (I): ##STR1## where the substituents R and R.sub.1 -R.sub.12 are as defined in the description.The process for the preparation of the compounds (I) is described, as is their use as photochromatic and thermochromatic agents.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: October 8, 1991
    Assignee: Enichem Synthesis, S.p.A.
    Inventors: Graziano Castaldi, Pietro Allegrini
  • Patent number: 5045539
    Abstract: There are disclosed compounds having the formula ##STR1## where n is 0, 1, or 2;p and q are each independently 1, 2 or 3;each X and each Y are independently hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, amino, loweralkylamino, diloweralkylamino, trifluoromethyl or loweralkylthio;R.sub.1 and R.sub.2 are each independently hydrogen or loweralkyl; andR.sub.3 is hydrogen, loweralkyl, loweralkylcarbonyl, arylloweralkyl or aminocarbonyl;which are useful as analgesic, antipsychotic and anticonvulsant agents.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: September 3, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Grover C. Helsley, John J. Tegeler, Kirk D. Shoger
  • Patent number: 5026877
    Abstract: Disclosed are new 1,3-dioxenones having the formulae ##STR1## in an optically pure state, a process for preparing same and the use thereof.
    Type: Grant
    Filed: May 10, 1989
    Date of Patent: June 25, 1991
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Kurt Schaffner, Martin Demuth
  • Patent number: 5006531
    Abstract: There are disclosed compounds having the formula ##STR1## where n is 0, 1, or 2;p and q are each independently 1, 2 or 3;each X and each Y are independently hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, amino, loweralkylamino, diloweralkylamino, trifluoromethyl or loweralkythio;R.sub.1 and R.sub.2 are each independently hydrogen or loweralkyl; andR.sub.3 is hydrogen, loweralkyl, loweralkylcarbonyl, arylloweralkyl or aminocarbonyl;which are useful as analgesic, antipsychotic and anticonvulsant agents.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: April 9, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Grover C. Helsley, John J. Tegeler, Kirk D. Shoger
  • Patent number: 4996210
    Abstract: Heterocyclic spiro compounds represented by the following general formula and salts thereof ##STR1## The above compounds act upon muscarinic acetylcholine receptors, thereby activating the acetylcholine nervous functions in the central nervous system.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: February 26, 1991
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Shin-ichi Tsukamoto, Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada, Toshinari Tamura
  • Patent number: 4994463
    Abstract: Novel tricyclic compounds having a TXA.sub.2 antagonizing activity represented by formula (I): ##STR1## possess a potent antagonizing action against thromboxane A.sub.2 and also an antiallergic and/or antihistaminic activity, and are expected to have preventive and therapeutic effects on ischemic diseases, cerebro-vascular diseases, etc.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: February 19, 1991
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Ichiro Miki, Akio Ishii, Hidee Ishii, Kenji Ohmori
  • Patent number: 4992436
    Abstract: The present invention provides a spiro-azabicyclic compound or a salt or prodrug thereof, said compound comprising a saturated or unsaturated 5-membered heterocyclic ring containing two heteroatoms selected from oxygen, nitrogen and sulphur, no more than one of said heteroatoms being nitrogen; said heterocyclic ring having a spiro attachment to an optionally substituted azabicyclo[2.2.1]heptane or azabicyclo[3.2.1]octane ring system; which compounds are useful for the treatment of neurological and mental disorders.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: February 12, 1991
    Assignee: Merck Sharp & Dohme, Ltd.
    Inventors: Raymond Baker, Leslie J. Street, John Saunders
  • Patent number: 4985421
    Abstract: Fungicidal substituted dioxolanylethylamine of the formula ##STR1## in which R represents alkyl, or represents in each case optionally substituted cycloalkylalkyl, aralkyl, cycloalkyl or aryl, andR.sup.1 and R.sup.2 independently of one another each represents hydrogen, alkyl, alkenyl, alkinyl, alkoxyalkyl, dialkoxyalkyl, hydroxyalkyl, hydroxyalkoxyalkyl, alkoxycarbonylalkyl, dioxolanylalkyl, dioxanylalkyl or oxolanylalkyl, or represents in each case optionally substituted cycloalkylalkyl, cycloalkyl, aralkyl, aralkenyl or aryl, orR.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, represent an optionally substituted saturated heterocyclic radical, which can optionally contain further hetero atoms,and acid addition salts thereof.Intermediates wherein the amino group is an electron-withdrawing leaving group are also new.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: January 15, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Joachim Weissmuller, Dieter Berg, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 4971964
    Abstract: A pyridine derivative represented by formula (I): ##STR1## wherein the symbols are as defined in the specification, which exhibits selective, potential, and long-lasting inhibitory activity on biosynthesis of thromboxane A.sub.2 and is useful in the treatment and prevention of a broad range of diseases.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: November 20, 1990
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Koji Suzuki, Obase Hiroyuki, Akira Karasawa, Shiro Shirakura, Kubo Shizuoka, Ichiro Miki, Akio Ishii
  • Patent number: 4943311
    Abstract: A compound having the structural formula ##STR1## where R is C.sub.2 -C.sub.8 alkylene having 2 to 4 carbon atoms linking X and Y;R.sup.1 is C.sub.1 -C.sub.8 linear or branched alkylene, C.sub.1 -C.sub.6 oxyalkylene, C.sub.1 -C.sub.6 thioalkylene or C.sub.1 -C.sub.6 aminoalkylene;R.sup.2 and R.sup.3 are the same or different and are hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, C.sub.1 -C.sub.6 alkylsulfonyl, phenyl, substituted phenyl, phenoxy, substituted phenoxy, cyano, nitro, --OCOR.sup.4, --COOR.sup.5, --CH.sub.m Q.sub.3-m or --OCH.sub.m Q.sub.3-m ;R.sup.4 is C.sub.1 -C.sub.4 alkyl;R.sup.5 is hydrogen or C.sub.1 -C.sub.4 alkyl;Q is halogen;X and Y are the same or different and are oxygen, sulfur, sulfinyl, sulfonyl or if one is NH, the other is sulfur;Z is nitrogen or CH; andm is 1, 2 or 3;and physiologically acceptable salts thereof,is disclosed. A process for synthesizing the compound of this invention is also set forth.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: July 24, 1990
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Ltd/Ltee
    Inventors: Hoi K. Lai, Robert A. Davis, Allen R. Blem
  • Patent number: 4940703
    Abstract: The present invention provides a compound of formula I or a salt or prodrug thereof: ##STR1## wherein the dotted line represents an optional chemical bond in one of the two possible positions;A represents a group of formula II: ##STR2## in which R.sup.1 represents hydrogen, hydroxy, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.1-6 alkoxy, benzyloxy, hydroxy (C.sub.1-6)alkyl, halogen, amino, cyano, nitro, --CONR.sup.6 R.sup.7 or --SO.sub.2 NR.sup.6 R.sup.7, in which R.sup.6 and R.sup.7 independently represent hydrogen, halogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl;R.sup.2 represents hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or C.sub.1-6 alkylcarbonyl;V represents nitrogen, --CH or --C--; andW represents oxygen, sulphur or --NR.sup.8, in which R.sup.8 represents hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.
    Type: Grant
    Filed: April 4, 1989
    Date of Patent: July 10, 1990
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Raymond Baker, Clare O. Kneen, John Saunders, Christopher Swain
  • Patent number: 4939270
    Abstract: Primary diamines, employed in stoichiometric excess, react with a spirodilactam precursor selected from 4-oxoheptandioic acid compounds or 1,6-dioxaspiro[4.4]nonane-2,7-diones, to produce 1,6-diaza[4.4]spirodilactams having an amino-containing substituent on each spiro ring nitrogen atom. The spirodilactams are useful in the production of thermoplastic polyamides by reaction with diacids and as curing agents for epoxy resins in the production of thermoset resins.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: July 3, 1990
    Assignee: Shell Oil Company
    Inventor: Pen C. Wang
  • Patent number: 4923986
    Abstract: The present invention relates to novel derivatives of K-252, (8R*, 9S*, 11S*)-(-)-9-hydroxy-9-methoxycarbonyl-8-methyl-2,3,9,10-tetrahydro-8,11-ep oxy-1H,8H, 11H-2,7b,11a-triazadibenzo[a,g]cycloocta-[c,d,e,]trinden-1-one, and the compounds are represented by formula (I): ##STR1## wherein W.sub.1, W.sub.2, R.sup.1, R.sup.2, R.sup.3, R.sup.4, X and Y represent various substituents. The compounds are physiologically active substances that inhibit protein kinase C and exhibit an antitumor activity, and are useful as medicines.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: May 8, 1990
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Chikara Murakata, Akira Sato, Mitsuru Takahashi, Eiji Kobayashi, Makoto Morimoto, Shiro Akinaga, Tadashi Hirata, Kenichi Mochida, Hiroshi Kase, Koji Yamada, Kazuyuki Iwashashi
  • Patent number: 4921955
    Abstract: The invention relates to a process for the preparation of 1,5-disubstituted imidazoles of the formula ##STR1## by alkylation of an N-cyanoformamidine of the formula IIX--NH--CH.dbd.N--CH (II)to form an N,N-disubstituted N'-cyanoformamidine of the formula ##STR2## which is cyclised under the action of bases to form a 4-aminoimidazole of the formula ##STR3## and then reduced to form the product of the formula I. The invention relates also to a special process for the reduction of the aminoimidazole V to I, and to intermediate compounds for carrying out this process and to processes for the preparation of the intermediate compounds.The meaning of the substituents X and L is explained in detail in the text.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: May 1, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Werner Topfl
  • Patent number: 4920127
    Abstract: Compounds of formula (I), or a pharmaceutically acceptable salt thereof: ##STR1## wherein L is NH or O;R.sub.1 is hydrogen, fluoro or chloro;R.sub.2 and R.sub.5 are independently hydrogen or C.sub.1-6 alkyl or together are a bond; orR.sub.2 and R.sub.3 and/or R.sub.4 and R.sub.5, together are C.sub.2-7 polymethylene or --(CH.sub.2).sub.m --O--(CH.sub.2).sub.x -- where m and x. are 1 to 5 such that m+x is 2 to 6;R.sub.4 is C.sub.1-7 acyl, C.sub.1-6 alkoxycarbonyl, hydroxycarbonyl, aminocarbonyl optionally substituted by one or two C.sub.1-6 alkyl groups, CF.sub.3, C.sub.1-6 alkyl substituted by C.sub.1-6 alkoxy, C.sub.1-6 alkylthio or by C.sub.1-6 alkoxycarbonyl, or R.sub.4 is phenyl or phenyl-C.sub.1-4 alkyl optionally substituted in the phenyl ring by one or two of halogen, C.sub.1-6 alkyl or C.sub.1-6 alkoxy;Z is a group of formula (a), (b) or (c).
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: April 24, 1990
    Assignee: Beecham Group p.l.c.
    Inventors: Francis D. King, Karen A. Joiner
  • Patent number: 4906630
    Abstract: A method for increasing cardiotonic contractility in humans or other animals using a class of benzodiazinone-pyridazinone and hydroxy-pyrazolyl compounds and pharmaceutical compositions including the same.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: March 6, 1990
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: William L. Studt, William C. Faith, Bruce F. Molino
  • Patent number: 4900830
    Abstract: The invention thus provides a process for obtaining the preferential replacement by isotopes, of at least one of the hydrogen atoms selected from the group consisting of those attached to the .alpha.- or .alpha.'-carbon atoms in a compound containing the structural moiety (I) ##STR1## which comprises the steps of oxidizing the compound to the corresponding sulfoxide or sulfone which contains the corresponding structural moiety (II) ##STR2## wherein in the sulfoxide n is 1 and in the sulfone n is 2, effecting the isotopic replacement by a known method of said at least one hydrogen atom, and reducing the resultant isotope-labelled sulfoxide or sulfone to the correspondingly labelled compound containing the structural moiety (I).
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: February 13, 1990
    Assignee: Israel Institute for Biological Research
    Inventors: Abraham Fisher, Ishai Karton
  • Patent number: 4898607
    Abstract: 1,5-substituted imidazole derivatives of formula I ##STR1## the stereochemically isomeric forms thereof, and the salts thereof, have useful herbicidal properties. The substituents R.sup.1, R.sup.2, R.sup.3, R.sup.4, X.sup.1, X.sup.2, X.sup.3, A, L and m have the meanings defined herein.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: February 6, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Henry Szczepanski, Lourens Wals
  • Patent number: 4874756
    Abstract: The present invention provides compounds of the general formula ##STR1## wherein the variables are as defined herein. The present invention also provides processes for the preparation thereof, pharmaceutical compositions containing them and intermediates for the preparation thereof.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: October 17, 1989
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Mertens, Wolfgang von der Saal, Herbert Berger, Bernd Muller-Beckmann, Klaus Strein
  • Patent number: 4855422
    Abstract: A method for preparing azoniaspironotropanol esters, esters thus produced, and methods of use for these is disclosed. The esters are effective as broncholytics and as agents in therapy of asthmatic conditions.
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: August 8, 1989
    Assignee: Madaus GmbH & Co.
    Inventors: Wolf Grimminger, Klaus Gorler, Karl P. Odenthal
  • Patent number: 4851405
    Abstract: Fungicidally effective aminomethyl heterocyclic compounds of the formula ##STR1## in which X represents oxygen or sulphur,R represents hydrogen or alkyl, or represents in each case optionally substituted cyclohexyl or phenyl andR.sup.1 and R.sup.2 independently of one another each represent hydrogen, alkyl, alkenyl, alkinyl, alkoxyalkyl, dialkoxyalkyl, hydroalkyl, hydroxyalkoxyalkyl, alkoxycarbonylalkyl, dioxolanylalkyl, dioxanylalkyl or oxolanylalkyl, or represent in each case optionally substituted cycloalkylalkyl, cycloalkyl, aralkyl, aralkenyl or aryl, orR.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, represent an optionally substituted saturated heterocyclic radical, which can optionally contain further hetero atoms,or acid addition salts thereof.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: July 25, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Joachim Weissmuller, Dieter Berg, Stefan Dutzmann
  • Patent number: 4851461
    Abstract: Acetal esters and amides possessing the polyalkyl piperidin-4-yl moiety are useful light stabilizers with synthetic polymer resins such as polyolefins and, in particular, polypropylene.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: July 25, 1989
    Assignee: ICI Americas Inc.
    Inventors: Richard V. Nelson, John F. Stephen
  • Patent number: 4847388
    Abstract: A novel class of unsaturated polycyclic ethers and esters comprises unsaturated ether and ester derivatives of a hydroxyaryl-substituted [4.4] spirodilactams having nitrogen atoms in the 1- and 6-positions of the spiro ring system and having the hydroxyaryl groups attached to each spiro ring nitrogen. Such unsaturated ethers and esters react with conventional curing agents to produce cured, insoluble products having high glass transition temperatures.
    Type: Grant
    Filed: September 16, 1988
    Date of Patent: July 11, 1989
    Assignee: Shell Oil Company
    Inventor: Pen C. Wang
  • Patent number: 4824472
    Abstract: Novel herbicidal 1-cyclyl or polycyclyl substituted 1H-imidazole-5-carboxylic acid derivatives, compositions containing these compounds as active ingredients, and a method for controlling weeds, preferably selectively in crops of useful plants. Processes for making these novel compounds.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: April 25, 1989
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Guy R. E. Van Lommen, Victor Sipido, Wim G. Verschueren, William R. Lutz
  • Patent number: 4813998
    Abstract: Novel herbicidal 1-heterocyclyl-1H-imidazole-5-carboxylic acid derivatives, compositions containing these compounds as active ingredients, and a method for controlling weeds, preferably selectively in crops of useful plants. Further the invention also relates to a process for making these novel compounds.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: March 21, 1989
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Guy R. E. Van Lommen, William R. Lutz, Jozef F. E. Van Gestel
  • Patent number: 4812567
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 taken together represent ##STR2## with the proviso that in ##STR3## when X is lower alkylene or O, m is other than 1; and when R.sup.1 and R.sup.2 taken together represent ##STR4## R.sup.3 is other than unsubstituted or substituted 2-pyridinyl or 2-pyrimidinyl;R.sup.3 is unsubstituted or substituted 2-pyridinyl, 2-pyrimidinyl, 2-pyrazinyl or 3-pyridazinyl, where the substituents are selected from the group lower alkyl, lower alkoxy, halo, cyano and nitro;Z is --(CH.sub.2).sub.n -- or vinylene;X is lower alkylene, vinylene or O;m is 1-4;n is 1-3;o is 1-5;p is 0-1;and the pharmaceutically acceptable salts thereof and their use as antipsychotic/anxiolytic agents having a low liability for extrapyramidal side effects.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: March 14, 1989
    Assignee: American Home Products Corporation
    Inventor: Magid A. Abou-Gharbia
  • Patent number: 4812450
    Abstract: This invention relates to spiro-[(piperidine-, pyrrolidine-, or -hexahyroazepinyl substituted) pyrrolo[2,1-c][1,4]-benzoxazepines] having the following formula ##STR1## wherein R is hydrogen, lower alkyl, arylloweralkyl, acyl, lower alkenyl, lower alkynyl, and loweralkylbenzisoxazole; X is hydrogen, halogen, loweralkoxy, and trifluoromethyl; Y is hydrogen; 2' or 3' acyl, formyl, carbinol of the formula ##STR2## wherein R.sub.1 and R.sub.2 are the same or different and are independently hydrogen, loweralkyl, arylloweralkyl, aryl, loweralkenyl, lower alkynyl and lower alkylbenzisoxazole; loweralkyl, loweralkenyl and halogen; and n is an integer of 1 to 3. The compounds of this invention display utility as analgesic and antihypertensive agents.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: March 14, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • Patent number: 4810801
    Abstract: The present invention provides new pyrrolobenzimidazoles of the general formula: ##STR1## wherein R.sub.1 -R.sub.5, X and T are as defined in the specification. The present invention also provides processes for the preparation of these compounds and pharmaceuticals containing them for the prophylaxis and treatment of heart and circulatory diseases.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: March 7, 1989
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Mertens, Jens-Peter Holck, Wolfgang Kampe, Bernd Muller-Beckmann, Klaus Strein, Wolfgang Schaumann
  • Patent number: 4800202
    Abstract: Fungicidally active aminomethyltetrahydrofurans of the formula ##STR1## in which A represents a divalent alkylene or alkenylene chain which is in each case optionally substituted andR.sup.1 and R.sup.2 independently of one another each represent hydrogen, alkyl, alkenyl, alkinyl, alkoxyalkyl, dialkoxyalkyl, hydroxyalkyl, hydroxyalkoxyalkyl, dioxolanylalkyl, oxolanylalkyl, or dioxanylalkyl, or represent in each case optionally substituted cycloalkylalkyl, cycloalkyl, aralkyl, aralkenyl or aryl, orR.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, represent an optionally substituted saturated heterocyclic radical, which can optionally contain further heteroatoms,or an acid addition salts thereof. Some intermediates therefor wherein NR.sup.1 R.sup.2 is replaced by halogen or sulphonyloxy are also new.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: January 24, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Weissmuller, Dieter Berg, Stefan Dutzmann, Paul Reinecke
  • Patent number: 4785101
    Abstract: Benzodiazinone-pyridazinone and -hydroxypyrazolyl compounds possess cardiotonic activity and are included in therapeutic cardiotonic compositions useful in methods for increasing cardiac contractility and for the treatment of congestive heart failure.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: November 15, 1988
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Donald E. Kuhla, Henry F. Campbell, William L. Studt, William C. Faith, Bruce F. Molino
  • Patent number: 4762831
    Abstract: A process for the preparation of a 1,8-bridged 4-quinolone-3-carboxylic acid of the formula ##STR1## wherein the substituents are defined hereinbelow. Some of the compound are new. The old and new compounds are antibacterials and promote animal growth.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: August 9, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Grohe, Michael Schriewer
  • Patent number: 4758559
    Abstract: Disclosed are the compounds of the formula ##STR1## wherein n represents the integer 1,2,3 or 4; R.sub.1 represents hydrogen, lower alkyl, halogen, trifluoromethyl, hydroxy or lower alkoxy; R.sub.2 represents hydrogen or lower alkyl; R.sub.3 represents hydrogen, lower alkyl or halogen; R.sub.4 represents amino, lower alkylamino, di-lower alkylamino, morpholino, N-lower alkyl or N-aryl piperazino, pyrrolidino, piperidino or substituted piperidino selected from ##STR2## in which R.sub.5 represents hydrogen, halogen or lower alkyl; and pharmaceutically acceptable salts thereof; which are useful in mammals as calmodulin antagonists for the treatments of gastrointestinal disorders.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: July 19, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Jan W. F. Wasley, Jon Norman
  • Patent number: 4735944
    Abstract: Spiro compounds, comprising a five-membered carbocyclic ring interrupted by two heteroatoms in ring positions 1 and 3 chosen from oxygen and sulfur atoms and in which the carbon atom in ring position 4 is common to a 4 to 8-membered carbocyclic ring interrupted by a nitrogen atom, are useful as pharmaceuticals.
    Type: Grant
    Filed: January 10, 1986
    Date of Patent: April 5, 1988
    Assignee: Sandoz Ltd.
    Inventor: Georg Bolliger
  • Patent number: 4710510
    Abstract: The present invention provides new pyrrolobenzimidazoles of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl, alkenyl or cycloalkyl radical; R.sub.2 is a hydrogen atom, cyano group or alkyl or alkenyl radical or a carbonyl group substituted by hydroxyl, alkyl, alkoxy, amino, alkylamino, dialkylamino or hydrazino or together with R.sub.1 forms a cycloalkylene radical or R.sub.1 and R.sub.2 together form an alkylidene or cycloalkylidene radical; R.sub.3, R.sub.4 and R.sub.
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: December 1, 1987
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Mertens, Jens-Peter Holck, Wolfgang Kampe, Bernd Muller-Beckmann, Klaus Strein, Wolfgang Schaumann
  • Patent number: 4701485
    Abstract: Malonate-derived acetal esters and amides possessing the polyalkyl piperidin-4-yl moiety are useful light stabilizers with synthetic polymer resins such as polyolefins and, in particular, polypropylene.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: October 20, 1987
    Assignee: ICI Americas Inc.
    Inventors: Richard V. Nelson, John F. Stephen
  • Patent number: 4690963
    Abstract: Monomeric and oligomeric derivatives of the diethyl ester of polyalkyl 1,4-dioxa-8-azaspiro-[4.5]-decane-2,3-dicarboxylic acid are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: September 1, 1987
    Assignee: ICI Americas Inc.
    Inventors: Richard V. Nelson, John F. Stephen
  • Patent number: 4638067
    Abstract: Novel naphthyridine-, quinoline- and benzoxazine-carboxylic acids as antibacterial agents are described as well as methods for their manufacture, formulation, and use in treating bacterial infections including the description of certain novel intermediates used in the manufacture of the antibacterial agents.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: January 20, 1987
    Assignee: Warner-Lambert Co.
    Inventors: Townley P. Culbertson, John M. Domagala, Thomas F. Mich, Jeffrey B. Nichols
  • Patent number: 4617302
    Abstract: This invention provides certain pyridazinone derivatives, their pharmaceutical formulations, and their use as positive inotropic agents.
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: October 14, 1986
    Assignee: Eli Lilly and Company
    Inventor: David W. Robertson