Six-membered Hetero Ring Consists Of Oxygen, Nitrogen And Carbon (e.g., 1,2-oxazines, Etc) Patents (Class 544/63)
  • Patent number: 5030728
    Abstract: A molecule capable of forming stable complexes with urea, guanidine or amidine compounds and the acid addition salts thereof comprises a nucleus of heterocyclic rings.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: July 9, 1991
    Assignee: The Research Foundation State University of New York
    Inventor: Thomas W. Bell
  • Patent number: 5017586
    Abstract: Derivatives of 5-aminomethyl-2-furanomethanol represented by formula (I), or pharmaceutically acceptable salts thereof, which possess calcium-antagonistic activity and are effective in lowering blood pressure, and a process for preparing and using the same: ##STR1## wherein R, R.sub.1, R.sub.2 and R.sub.2 ' each represent a lower alkyl group containing 1 to 4 carbon atoms, with the proviso that R.sub.2 and R.sub.2 ', together with N, may form a 5- or 6-membered saturated heterocyclic ring which may contain an additional heteroatom, selected from the group consisting of as O, N and S, or R.sub.2 ' represents an aralkyl group;wherein R.sub.3 and R.sub.4 are each selected from the group consisting of a hydrogen atom, a halogen, a nitro group and a methoxy group; andwherein R.sub.5 is selected from the group consisting of a halogen, a difluoromethoxy group, a trifluoromethyl group, a nitro group, a carbamylmethoxy group, a cyanomethoxy group and a mesyloxy group.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: May 21, 1991
    Assignee: Gerot-Pharmazeutika Gesellschaft m.b.H.
    Inventor: Ludwig H. Schlager
  • Patent number: 5017721
    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: April 21, 1989
    Date of Patent: May 21, 1991
    Assignee: Enichim ANIC S.p.A.
    Inventors: Giuseppe Messina, Loreno Lorenzoni, Paolo Calaresu, Giovanni M. Sechi
  • Patent number: 4996316
    Abstract: A process for the preparation of tertiary N,N-dimethylamines by the reaction of primary amines, formaldehyde, and hydrogen under pressure and at elevated temperature in the presence of a nickel-containing hydrogenation catalyst in the liquid phase. The hydrogenation catalyst is suspended in a solvent, the nickel concentration is 0.1 to 10% by weight, based on the primary amine. The starting materials are separate from each other, brought to 80.degree. to 150.degree. C. and 1 to 15 MPa and fed into the catalyst suspension simultaneously with stirring and reacted in one step to form the tertiary N,N-dimethylamines.
    Type: Grant
    Filed: December 24, 1988
    Date of Patent: February 26, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jurgen Weber, Detlef Kampmann, Claus Kniep
  • Patent number: 4990174
    Abstract: R.sup.2 is halogen,R.sup.3 is hydrogen, halogen or a C.sub.1 -C.sub.4 -alkyl,R.sup.4, R.sup.5 are hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.2 -C.sub.4 -alkyl which carries a hydroxyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkylthio radical, C.sub.1 -C.sub.6 -alkoxy, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -alkenyloxy and/or C.sub.3 -C.sub.6 -alkynyloxy, or together with the nitorgen atom form a 5- or 6-membered aliphatic ring in which a methylene group may be replaced by an oxygen atom, andR.sup.6 is hydrogen, C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by one or two C.sub.1 -C.sub.4 -alkoxy groups, or is C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl or benzyl,processes for their manufacture, and their herbicidal use.
    Type: Grant
    Filed: January 9, 1990
    Date of Patent: February 5, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Lothar Rueb, Karl Eicken, Peter Plath, Karl-Otto Westphalen, Bruno Wuerzer
  • Patent number: 4990517
    Abstract: 7-(1-Pyrrolidinyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives as antibacterial agents and feed additives, of the formula ##STR1## in which X.sup.1 is halogen,X.sup.2 is hydrogen, halogen, amino or other radical,R.sup.1 is alkyl, cycloalkyl, optionally substituted phenyl or other radical,R.sup.2 is hydrogen, alkyl or a dioxolylmethyl radical,R.sup.3 is ##STR2## A is N, CH, C-halogen, or the like, or forms a bridge with R.sup.1, and addition products thereof.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: February 5, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uwe Petersen, Thomas Schenke, Andreas Krebs, Klaus Grohe, Michael Schriewer, Ingo Haller, Karl G. Metzger, Rainer Endermann, Hans-Joachim Zeiler
  • Patent number: 4981963
    Abstract: A new process is described for the preparation of oxalic acid esters and amides of general formula (I) ##STR1## wherein Z designates an --OR or --NR.sup.1 R.sup.2 group, wherein R represents substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl, or aryl-alkyl, R.sup.1 is hydrogen or substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl, or aryl-alkyl, R.sup.2 represents substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl, or aryl-alkyl, or R.sup.1 and R.sup.2 taken together with the adjacent nitrogen atom represent a saturated 5-, 6-, 7-, or 8-membered heterocyclic ring, which may contain an additional heteroatom selected from --O--, --S--, and --N(H, Alkyl)--, and optionally bear one or more alkyl or alkenyl substituents, andZ.sup.1 designates an --OR or --NR.sup.1 R.sup.2 group, wherein R, R.sup.1, and R.sup.2 are as defined before, or a group --NHCOCH.sub.3, which comprises the base-catalysed reaction of diacetyloxamide with an alcohol ROH or/and an amine HNR.sup.1 R.sup.2.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: January 1, 1991
    Assignee: Enichem Anic S.p.A.
    Inventors: Giuseppe Messina, Giovanni M. Sechi, Loreno Lorenzoni, Giovanni Chessa
  • Patent number: 4977260
    Abstract: Process for preparing mono-, bi- and tricyclic amino acids, intermediates of this process, and a process for preparing same.The invention relates to a process for preparing compounds of the formula I ##STR1## in which R stands for hydrogen, alkyl or aralkyl and R.sup.1 to R.sup.5 are identical or different radicals, (substituted) alkyl, cycloalkyl or (substituted) aryl or in which the pairs of radicals R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, and R.sup.4 and R.sup.5 together with the carbon atom(s) supporting them form a mono- or bicyclic ring system and the other radicals are hydrogen, by treating a compound of the formula II ##STR2## in which R and R.sup.1 to R.sup.5 have the abovoementioned meaning and R.sup.6 and R.sup.7 denote alkyl or aralkyl or together with the nitrogen atom supporting them form a heterocycle which can additionally contain an oxygen atom, with a reducing agent.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: December 11, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Henning, Hansjorg Urbach
  • Patent number: 4973693
    Abstract: Novel pentacyclic compounds having antimicrobial and antitumor activity and a process for preparing the same. The pentacyclic compounds are also usefual as intermediates in the production of known tetracyclic antitumor compounds.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: November 27, 1990
    Inventors: Shunsuke Goto, Tohru Fukuyama
  • Patent number: 4968341
    Abstract: Novel substituted aryloxyureas, processes for their production, and herbicides comprising them as active ingredients are provided.The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage.The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: November 6, 1990
    Assignees: Kumiai Chemical Industry Co., Mitsui Petrochemical Industries, Ltd.
    Inventors: Isao Hashimoto, Tatsuyodihi Ishida, Kazutaka Tsuru, Yuji Yamada, Takeshige Miyazawa, Yasuo Nakamura, Susumu Katou, Katsuya Takahashi
  • Patent number: 4960784
    Abstract: Certain substituted indazoles, including all geometric and stereoisomers thereof, agricultural compositions containing the indazoles and use of the indazoles as insecticides.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: October 2, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George P. Lahm
  • Patent number: 4957921
    Abstract: Substituted cyclohexanols 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: December 6, 1989
    Date of Patent: September 18, 1990
    Assignee: Warner-Lambert Company
    Inventors: Bradley W. Caprathe, Juan C. Jaen, Sarah J. Smith, Lawrence D. Wise
  • Patent number: 4939140
    Abstract: A heterocyclic oxophthalazinyl acetic acid having aldose reductast inhibitory activity of the formula ##STR1## wherein X is oxygen or sulfur; Z is a covalent bond, O, S, NH or CH.sub.2 or CHR.sub.5 Z is vinyl; R.sub.1 is hydroxy, or a prodrug group; R.sub.2 is a heterocyclic group, R.sub.3 and R.sub.4 are hydrogen or the same or a different substituent, and R.sub.5 is hydrogen, methyl or trifluoromethyl. The pharmaceutically acceptable acid addition salts of the above compounds wherein R.sub.1 is di(C.sub.1 -C.sub.4)alkylamino or (C.sub.1 -C.sub.4)alkoxy substituted by N-morpholino or di(C.sub.1 -C.sub.4)alkylamino and the pharmaceutically active base addition salts of the above compounds wherein R.sub.1 is hydroxy are also aldose reductase inhibitors.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: July 3, 1990
    Assignee: Pfizer Inc.
    Inventors: Eric R. Larson, Banavara L. Mylari
  • Patent number: 4931541
    Abstract: Thermosetting quinazolone resins, their preparation and their applications re described.These thermosetting quinazolone resins can be defined as having the following general formula: ##STR1## in which Ar.sup.1 is a bivalent mono- or polycyclic aromatic radical and Ar.sup.2 is a bivalent aromatic radical of several simple aromatic rings bound two by two by atoms or bivalent groups.These Ar.sup.1 and Ar.sup.2 radicals are chosen so that the melting or emollescence temperature is between 80.degree. C. and 170.degree. C.The resins can be prepared from condensation of an ethynylarylbenzoxazinone with an aromatic diamine containing flexibilizing groups.These quinazolone resins can be polymerized in bulk in order to prepare adhesives or composite matrices in particular.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: June 5, 1990
    Assignee: Centre d'Etude des Materiaux Organiques pour Technologies Avancees
    Inventors: Regis Mercier, Bernard Sillion
  • Patent number: 4925845
    Abstract: Gem 3 dialkyl or spiro 4 aryl or heteroaryl 5 heterocyclic 3 H indoles and their pharmaceutically acceptable salts are prepared. They are useful for reducing blood pressure producing a positive inotropic action influencing thrombocyte aggregation and improving microcirculation. Hydrazinophenyl heterocyclic intermeidates are also disclosed.
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: May 15, 1990
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Mertens, Wolfgang von der Saal, Lothar Kling, Bernd Muller-Beckmann
  • Patent number: 4904661
    Abstract: A phenol derivative of the formulaNU--A--X--R.sup.1wherein NU is a defined bis-phenolic nucleus including a hydroxyphenyl-hydroxynaphthyl; hydroxyphenyl-hydroxyindanyl, hydroxyphenyl-hydroxybenzothienyl or di-hydroxyphenyl-ethylene or vinylene nucleus;wherein A is alkylene, alkenylene or alkynylene which may be interrupted by phenylene or other linkages,wherein R.sup.1 is hydrogen, or alkyl, alkenyl, cycloalkyl, halogenoalkyl, aryl or arylalkyl, or R.sup.1 is joined to R.sup.2, and wherein X is --CONR.sup.2 --, --CSNR.sup.2 --, --NR.sup.12 CO--, --NR.sup.12 CS--, --NR.sup.12 CONR.sup.2 --, ##STR1## --SO.sub.2 NR.sup.2 -- or --CO--, or, when R.sup.1 is not hydrogen, is --NR.sup.12 COO--, --S--, --SO-- or --SO.sub.2 --, wherein R.sup.2 is hydrogen or alkyl, or R.sup.1 and R.sup.2 together form alkylene;wherein R.sup.12 is hydrogen or alkyl, and wherein R.sup.22 is hydrogen, cyano or nitro;or a salt thereof when appropriate.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: February 27, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: William R. Pilgrim, Derek W. Young, Brian S. Tait, Graham C. Crawley, Philip N. Edwards, George B. Hill
  • Patent number: 4897105
    Abstract: A compound of the general formula ##STR1## wherein R.sub.1 is a phenyl group which may be substituted, R.sub.2 and R.sub.3 respectively are a lower alkyl or lower alkoxy group, Z is CH or N and n is 0 or 1, or a salt thereof which is useful as a herbicide.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: January 30, 1990
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshiyuki Okada, Isao Aoki, Nobuyuki Okajima, Takashi Kuragano
  • Patent number: 4892870
    Abstract: A novel class of 5, 6 or 7 member heterocycles which belong to the 3-isoxazolidinone, 2H-1,2-oxazin-3 (4H)-one and 3-isoxazepinone series of compounds and which are substituted at the 4-carbon by a benzylidene radical. The compounds have utility as analgesic agents, immunomodulating agents, anti-inflammatory agents and anti-pyretic agents and they may be combined with excipients to provide formuations which are useful in treating arthritis and conditions generally associated with that disease.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: January 9, 1990
    Assignee: Biofor, Ltd.
    Inventor: Sung J. Lee
  • Patent number: 4891362
    Abstract: Novel substituted N-alkyl-N-alkoxyamidophosphonates or -thiophosphonates and N-alkyl-N-alkoxyamidophosphates or -thiophosphates of formula ##STR1## wherein R is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy,R.sub.1 and R.sub.3 are each independently of the other C.sub.1 -C.sub.4 alkyl,R.sub.2 is hydrogen, C.sub.4 -C.sub.4 alkyl, or when taken together with R.sub.1, forms the radical --(CH.sub.2).sub.4 --; andX and Y are each independently of the other oxygen or sulfur, with the proviso that at least one of X or Y is sulfur if R.sub.2 is hydrogen.The preparation of these compounds is described, as well as the use thereof in pest control, especially for controlling insects and representatives of the order Acarina.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: January 2, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Odd Kristiansen
  • Patent number: 4851406
    Abstract: The present invention provides indole derivatives of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl, alkenyl, cycloalkyl, cycloalkenyl, carboxyl, cyano, alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or aryl radical, R.sub.2 is a hydrogen atom or an alkyl, trihalogenomethyl, hydroxyl, cycloalkyl, cyano, carboxyl, alkoxycarbonyl, alkylcarbonyl, aminocarbonyl, alkylaminocarbonyl or dialkylaminocarbonyl radical; R.sub.2 is a heterocyclic five-membered ring containing 1 to 4 heteroatoms or a heterocyclic six-membered ring containing 1 to 5 heteroatoms, the heteroatoms of the five- and six-membered rings being the same or different and being nitrogen, oxygen or sulphur and one or more of the nitrogen atoms optionally carrying an oxygen atom, the said five- and six-membered rings optionally being substituted by one or more alkyl, alkoxy, alkylthio, oxo, hydroxyl, nitro, amino, halogen or cyano groups; or R.sub.
    Type: Grant
    Filed: September 4, 1986
    Date of Patent: July 25, 1989
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Mertens, Wolfgang von der Saal, Walter-Gunar Friebe, Bernd Muller-Beckmann, Gisbert Sponer
  • Patent number: 4849524
    Abstract: The invention relates to a process for preparing compounds of the formula I ##STR1## in which R stands for hydrogen, alkyl or aralkyl and R.sup.1 to R.sup.5 are identical or different radicals, (substituted) alkyl, cycloalkyl or (substituted) aryl or in which the pairs of radicals R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, and R.sup.4 and R.sup.5 together with the carbon atom(s) supporting them form a mono- or bicyclic ring system and the other radicals are hydrogen, by treating a compound of the formula II ##STR2## in which R and R.sup.1 and R.sup.5 have the abovementioned meaning and R.sup.6 and R.sup.7 denote alkyl or aralkyl or together with the nitrogen atom supporting them form a heterocycle which can additionally contain an oxygen atom, with a reducing agent.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: July 18, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Henning, Hansjorg Urbach
  • Patent number: 4840951
    Abstract: Naphthalene derivative of the formula: ##STR1## wherein Ring A is a substituted or unsubstituted benzene ring; each of R.sup.1 and R.sup.2 is a group of the formula: --OR.sup.5, --NHR.sup.5 or ##STR2## or either one of R.sup.1 and R.sup.2 is a lower alkoxy group and the other one is a group of the formula: --OR.sup.5, --NHR.sup.5 or ##STR3## each of R.sup.3 and R.sup.4 is a lower alkoxy group, or one of R.sup.3 and R.sup.4 is a lower alkoxy group and the other is a hydrogen atom; R.sup.5 is a substituted alkyl group, a heterocyclic group, a cycloalkyl group, an alkyl group of at least 5 carbon atoms or alkenyl group; and each of R.sup.6 and R.sup.7 is hydrogen atom or a lower alkyl group and salts thereof are disclosed. Said naphthalene derivative (I) and its salts have excellent hypolipidemic activity and are useful for treatment or prophylaxis of hyperlipidemia and/or arteriosclerosis.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: June 20, 1989
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Tameo Iwasaki, Kohki Takashima
  • Patent number: 4838925
    Abstract: This invention relates to novel heterocyclic carbonyl sulfonamides which are particularly useful as agricultural chemicals.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: June 13, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Chi-Ping Tseng
  • Patent number: 4835280
    Abstract: The present invention provides Indolines of the formula: ##STR1## ps useful to provide pharmaceutically active pyrrolobenzimidazoles or tautomers thereof, of the formula: These compounds are useful for treating heart or circulatory diseases, especially those which respond to a change of blood pressure, an increase in cardiac output and/or a change in micro-circulation.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: May 30, 1989
    Assignee: Boehringer Mannheim GmbH
    Inventors: Alfred Martens, Jens-Peter Holck, Herbert Berger, Bernd Muller-Beckman, Klaus Strein, Egon Roesch
  • Patent number: 4826835
    Abstract: This invention relates to compounds of the formula ##STR1## where Het is imidazol-1-y or 1,2,4-triozol-1-yl and py is 2-,3- or 4-pyridyl; and the uses of said compounds including methods for increasing cardio contractility and in the treatment of congestive heart failure, pharmaceutical compositions including the same and methods for the preparation thereof.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: May 2, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Donald E. Kuhla, Henry F. Campbell, William L. Studt, William C. Faith
  • Patent number: 4797486
    Abstract: Certain trans-3-[3-(3-hydroxy-2-piperidyl)-2-oxopropyl]thieno[3,2-d]pyrimidin-4(3H )-one and furo[3,2-d]pyrimidin-4(3H)-one derivatives, a method of using same as anticoccidial agents, intermediates therefor, and a process for certain intermediates therefor.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: January 10, 1989
    Assignee: Pfizer Inc.
    Inventors: Edward A. Glazer, James W. McFarland
  • Patent number: 4785016
    Abstract: Indole derivatives are disclosed of formula (I): ##STR1## wherein R.sub.1 represents H, alkyl or alkenyl;R.sub.2 represents H, alkyl, alkenyl, cycloalkyl or phenyl or phenyl alkyl the phenyl ring being optionally substituted by halogen, alkyl, alkoxy, hydroxyl or by a group --NR.sub.a R.sub.b, or --CONR.sub.a R.sub.b, wherein R.sub.a and R.sub.b are H, alkyl, alkenyl, or with the nitrogen atom form a saturated monocyclic ring;R.sub.3 and R.sub.4 are H, alkyl or propenyl or together form an aralkylidene group;Alk represents a Cf.sub.2-3 alkyl chain optionally substituted by one or two alkyl groups; andA.sup.1 represents a C.sub.2-5 alkenyl chain and salts and solvates thereof.The compounds have selective vasoconstrictor activity and are useful in treating and/or preventing pain resulting from dilatation of the cranial vasculature, particularly migraine. The compounds may be formulated in conventional manner with pharmaceutically acceptable carriers or excipients.
    Type: Grant
    Filed: December 3, 1985
    Date of Patent: November 15, 1988
    Assignee: Glaxo Group Limited
    Inventors: Brian Evans, Alexander W. Oxford, Darko Butain
  • Patent number: 4775406
    Abstract: The salts of 1-phenylimidazole-5-carboxylic acids substituted in the phenyl ring, of the general formula (I) ##STR1## exhibit a good plant growth-regulating activity. In the general formula the symbols have the following meaning:Y is an ammonium ion substituted up to fourfold by (substituted) alkyl, (substituted) alkenyl, alkynyl, (substituted) cycloalkyl, cycloalkenyl, and (substituted) phenyl, wherein the charged N may be part of a heterocyclic radial (NH.sub.4.sup.+ is excepted); phosphonium ion substituted fourfold by alkyl, (substituted) phenyl or (substituted) benzyl; sulfonium- or sulfoxonium ion substituted threefold by alkyl, (substituted) phenyl or (substituted) benzyl; the guanidinium ion or an O-alkylisourea cation;R.sup.1, R.sup.2 independently of each other are alkyl;R.sup.3 is alkyl, alkoxy or halogen; andn is 0, 1, 2 or 3.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: October 4, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Roland Schmierer, Ernst-Friedrich Schulze, Helmut Bustell, Erwin Hacker
  • Patent number: 4772706
    Abstract: An improved process for the preparation of 7-substituted amino-1-alkyl- or cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids is described where tetrafluorobenzoyl chloride is converted in three operations via 1-alkyl or 1-cycloalkyl-1,4-dihydro-6,7,8-trifluoro-4-oxoquinoline-3-carbonitrile which in a separate step or in situ is displaced and hydrolyzed to the desired product.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: September 20, 1988
    Assignee: Warner-Lambert Company
    Inventors: James N. Wemple, James R. Zeller, John M. Domagala
  • Patent number: 4766110
    Abstract: Novel inhibitors of angiotensin converting enzyme are disclosed which have the general formula ##STR1## wherein R.sub.1 and/or R.sub.3 form complex amides and imides thereof, R.sub.4 and R.sub.5 form with --N--C-- a 4-6 membered ring structure as described and the other R substituents are selected from a variety of disclosed groups.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: August 23, 1988
    Inventors: James W. Ryan, Alfred Chung
  • Patent number: 4762550
    Abstract: This invention relates to novel pyrazolesulfonamides, agricultural compositions thereof and the methods of their use as general and/or selective herbicides and/or plant growth regulants.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: August 9, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Stephen L. Hartzell
  • Patent number: 4759790
    Abstract: This invention relates to herbicidally active sulfonamide compounds having a heterocyclic carbonyl group ortho to the sulfonyl bridge.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: July 26, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Joel R. Christensen
  • Patent number: 4757151
    Abstract: Certain 2-substituted-[2-substituted-amino]-N-arylalkyl-3-[indol-3-yl]propanamides demonstrate activity as appetite suppressants. The compounds, pharmaceutical compositions, and a method of suppressing appetite are disclosed.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: July 12, 1988
    Assignee: Warner-Lambert Company
    Inventor: David C. Horwell
  • Patent number: 4743294
    Abstract: A selective herbicide of the formula ##STR1## in which m is 0, 1 or 2,R.sup.5 is an organic radical,R.sup.3 is hydrogen or an organic radical,R.sup.9 is hydrogen or an optionally substituted alkyl radical,R.sup.10 is an organic radical or forms a ring with R.sup.9,R.sup.40 and R.sup.41 are alkyl or alkoxy, andM is hydrogen or a metal or ammonium radical, or an acid adduct thereof.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: May 10, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Diehr, Christa Fest, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Theodor Pfister, Uwe Priesnitz, Hans-Jochem Riebel, Wolfgang Roy, Hans-Joachim Santel, Robert R. Schmidt, Koichi Moriya, Ludwig Eue, Klaus Lurssen
  • Patent number: 4741765
    Abstract: Benzenesulfonamide compounds such as N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl-4 -oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide and N-[(4-methoxy-6-methyl-pyrimidin-2-yl)aminocarbonyl]-1,4-dihydro-3-methyl- 4-oxo-1-phenyl-indeno[1,2-C]pyrazole-5-sulfonamide, agricultural compositions containing them, and their herbicidal utility are disclosed.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: May 3, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert J. Pasteris, Ramaurthi Muthukrishnan
  • 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: 4737184
    Abstract: Novel N-(heterocyclicaminocarbonyl) substituted thiophene-, furan- and pyrrolesulfonamides, such as N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-6,7-dihydro-5H-thieno- [3,2-b]thiopyran-3-sulfonamide, 4,4-dioxide and N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-6,7-dihydro-5H-thieno[3,2-b ]thiopyran-3-sulfonamide, 4,4-dioxide and their method-of-use as herbicides are described.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: April 12, 1988
    Assignee: E. I. Du Pont De Nemours and Company
    Inventor: Robert J. Pasteris
  • Patent number: 4734276
    Abstract: The invention concerns novel pyruvate compounds namely L-lysine pyruvate and L-histidine pyruvate, the method for making these compounds by bringing together pyruvic fluid acid with L-lysine and L-histidine resp., and preparations containing L-lysine pyruvate and/or L-histidine pyruvate.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: March 29, 1988
    Assignee: Institut Dr. Ziegler
    Inventor: Walter J. Ziegler
  • Patent number: 4725305
    Abstract: Herbicidally active novel N,N'-bis-sulphonyl guanidines of the formula ##STR1## in which M is hydrogen, a metal or an ammonium radical, andR.sup.4, R.sup.5, R.sup.40 and R.sup.41 are various organic radicals.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: February 16, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Koichi Moriya, Theodor Pfister, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt, Klaus Lurssen, Hans-Joachim Diehr, Christa Fest, Rolf Kirsten, Joachim Kluth, Klaus-Helmut Muller, Uwe Priesnitz, Wolfgang Roy, Hans-Joachim Santel
  • Patent number: 4725679
    Abstract: The novel 2-amino-alkenylsulfonylureas of the formula (I) ##STR1## in which R.sub.1 and R.sub.2 denote hydrogen, alkyl, cycloalkyl or (substituted) phenyl, or R.sub.1 and R.sub.2, together with the common nitrogen atom, form a 5-membered to 7-membered (hetero)aliphatic ring, R.sub.3 denotes hydrogen, cycloalkyl, alkyl, alk(en)(yn)yloxy, alkylsulfen(in)(on)yl, --SO.sub.2 (N)(mono- or di-alkyl), (substituted) phenyl, benzyl, substituted hydroxycarbonyl or (substituted) aminocarbonyl, R.sub.4 has the meaning of R.sub.3 and additionally denote formyl, alkanoyl, (substituted) benzoyl, cycloalkylcarbonyl or C.sub.6 H.sub.5 --CH.sub.2 --O--CO--, or R.sub.3 and R.sub.4, together with the olefinic carbon atoms connecting them, form a 5-membered to 8-membered aliphatic ring system, R.sub.5 denotes H, alkyl, alkenyl, alkynyl, alkoxy or alkoxycarbonyl and R.sub.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: February 16, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Lothar Willms
  • Patent number: 4723988
    Abstract: Thiophenesulfonamides such as N-[(4,6-dimethylpyrimidin-2-yl)aminocarbonyl]-3-(isoxazol-3-yl)-2-thiophen esulfonamide are useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: February 9, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Rafael Shapiro
  • Patent number: 4721782
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: January 26, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventor: Fritz Maurer
  • Patent number: 4713456
    Abstract: A process for the preparation of a 5-acylpyrimidine of the formula ##STR1## in which R is an organic radical comprising reacting a methyl ketone of the formulaR--CO--CH.sub.3in a first stage with a formylating reagent in the presence of a base to form an enolketone of the formulaR--CO--CH.dbd.CH--OR.sup.10in which R.sup.10 represents hydrogen or a base radical, thereafter reacting the enolketone in 2nd and 3rd stages with formamidine or a formamidine salt, and with an amino-formylating agent, and, in a 4th stage heating to cyclize the compound formed.The end products, some of which are new, are intermediates for making herbicides.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: December 15, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Graham Holmwood
  • Patent number: 4707479
    Abstract: 1,4-Dihyropyridinecarboxamides of the formula ##STR1## and salts thereof, are effective for treating cardiac insufficiency, thromboses, thromboembolisms and ischaemias, for influencing the blood-sugar level and the circulation and as coronary therapeutic agents and anti-arrhythmic agents.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: November 17, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Meyer, Gerhard Franckowiak, Ulrich Rosentreter, Rainer Gross, Gunter Thomas, Matthias Schramm, Michael Kayser, Friedel Seuter, Elisabeth Perzborn, Martin Bechem
  • Patent number: 4689414
    Abstract: Cardiovascular activity is exhibited by compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein R.sub.1 is alkyl, cycloalkyl, aryl, heterocyclo, --(CH.sub.2).sub.n --Y.sub.2, --(CH.sub.2).sub.p --Y.sub.3 or halo substituted alkyl;R.sub.2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, --(CH.sub.2).sub.n --Y.sub.1, or halo substituted alkyl;R.sub.3 is hydrogen, alkyl, cycloalkyl, aryl, heterocyclo, --(CH.sub.2).sub.n --Y.sub.2, --(CH.sub.2).sub.p --Y.sub.3, or halo substituted alkyl;R.sub.4 is aryl or heterocyclo;R.sub.5 is hydrogen, alkyl, aryl, arylalkyl, cyano, nitro, ##STR2## Y.sub.1 is cycloalkyl, aryl, heterocyclo, hydroxyl, alkoxy, aryl-(CH.sub.2).sub.m --O--, mercapto, alkylthio, aryl-(CH.sub.2).sub.m --S--, amino, substituted amino, carbamoyl, ##STR3## Y.sub.2 is cycloalkyl, aryl, heterocyclo, carbamoyl, ##STR4## amino, or substituted amino; m is 0 or an integer of 1 to 6;n is an integer of 1 to 6; andp is an integer of 2 to 6.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: August 25, 1987
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Karnail Atwal
  • Patent number: 4684656
    Abstract: Cardiovascular activity is exhibited by compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof wherein X is oxygen or sulfur;R.sub.1 is alkyl, cycloalkyl, aryl, heterocyclo, --(CH.sub.2).sub.n --Y.sub.1, or halo substituted alkyl;R.sub.2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, --(CH.sub.2).sub.n --Y.sub.1, or halo substituted alkyl;R.sub.3 is hydrogen, alkyl, cycloalkyl, aryl, heterocyclo, --(CH.sub.2).sub.n --Y.sub.2, --(CH.sub.2).sub.p --Y.sub.3, or halo substituted alkyl;R.sub.4 is aryl or heterocyclo;Y.sub.1 is cycloalkyl, aryl, heterocyclo, hydroxyl, alkoxy, aryl--(CH.sub.2).sub.m --O--, mercapto, alkylthio, aryl--(CH.sub.2).sub.m --S--, amino, substituted amino, carbamoyl, ##STR2## Y.sub.2 is cycloalkyl, aryl, heterocyclo, carbamoyl, ##STR3## Y.sub.3 is hydroxyl, alkoxy, aryl--(CH.sub.2).sub.m --O--, mercapto, alkylthio, aryl--(CH.sub.2).sub.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: August 4, 1987
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Karnail Atwal
  • Patent number: 4684728
    Abstract: A biologically active compound can be solubilized by reaction in different sequences to form a derivative carrying the active moiety, a linking group such as an optionally substituted diisocyanate radical, a polyether moiety such as a polyoxyethylene radical, and a terminal group such as a butyl radical, e.g. ##STR1## n=1 to 400. The active materials can be agricultural chemicals, pharmaceuticals, and the like.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: August 4, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Mohring, Hanns P. Muller, Peter Roessler, Kuno Wagner, Helmut Tietz
  • Patent number: 4683228
    Abstract: A guanidine derivative of the formula I: ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, ring X and D are a variety of radicals defined in the specification and A is a 3-8C alkylene chain which is substituted by a hydroxy radical and into which is optionally inserted, as part of the backbone of the chain, one or two groups selected from oxygen and sulphur atoms and NH and 1-6C N-alkyl radicals; and the pharmaceutically-acceptable acid additions salts thereof. Pharmaceutical compositions and methods of manufacture are also described. The compound of the formula I is a histamine H-2 antagonist and is therefore useful in ulcer therapy.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: July 28, 1987
    Assignees: ICI Americas Inc., Imperial Chemical Industries PLC
    Inventors: Karin M. Kirkland, Derrick M. Mant
  • Patent number: 4672062
    Abstract: 3-amino-2,3-dihydro-1-benzoxepine compounds corresponding to the general Formula I ##STR1## wherein R.sub.1 and R.sub.2 may each be hydrogen, halogen, lower alkyl or lower alkoxy, or if one of R.sub.1 and R.sub.2 is hydrogen, the other may also be nitro or trifluoromethyl, R.sub.3 represents hydrogen or a lower alkyl group which optionally may be substituted by hydroxy, lower alnoxy, an optionally substituted phenyl group or an optionally substituted amino group, and R.sub.4 represents hydrogen or lower alkyl, or R.sub.3 and R.sub.4 together with the nitrogen atom form a 5 or 6 member heterocycle. The compounds exhibit pharmacological, especially antidepressive, activity.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: June 9, 1987
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Heinrich-Wilhelm Ohlendorf, Michael Ruhland, Klaus-Ullrich Wolf
  • Patent number: 4668279
    Abstract: Novel pyridinesulfonamide compounds containing ortho-heterocyclic substituents such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-2-(1H-1,2,4-triazol-1-yl)-3 -pyridinesulfonamide display utility as herbicides and plant growth regulants.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: May 26, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer