Halogen Attached Directly To The Diazine Ring By Nonionic Bonding Patents (Class 544/409)
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Patent number: 5550236Abstract: A process for preparing polycyclic aromatic compounds by cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates in the presence of metallic palladium, if desired applied to a support material, as catalyst, wherein the coupling is carried out in the presence of a ligand and a base. The process of the invention allows the yield of polycyclic aromatic compounds to be significantly increased in comparison with processes not using a ligand and thus allows a yield optimum for the Pd(0)-catalyzed cross-coupling of aromatic boronic acids with aromatic halogen compounds to be achieved.Type: GrantFiled: April 24, 1995Date of Patent: August 27, 1996Assignee: Hoechst AktiengesellschaftInventors: Hubert Schlosser, Rainer Wingen, Javier Manero
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Patent number: 5500425Abstract: Compounds of the formula I ##STR1## processes for their preparation, pharmaceutical preparations, use of and method of treatment of disorders in CNS by using compounds of formula I.Type: GrantFiled: September 9, 1994Date of Patent: March 19, 1996Assignee: Aktiebolaget AstraInventors: Lars-Gunnar Larsson, Lucy A. Renyl, Svante B. Ross, Daniel D. Sohn, Seth-Olov Thorberg
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Patent number: 5493024Abstract: 3,4,N-triaryl-4,5-dihydro-1H-pyrazole-1-carboxamide compounds having an aryl moiety in the 4-position that is an optionally substituted pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or quinolinyl moiety and aryl moieties in the 3-position and the N-position that are optionally substituted phenyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or quinolinyl moieties, such as N-(4-chlorophenyl)-4,5-dihydro-3-(4-fluorophenyl)-4-(5-trifluoromethyl-2-p yridinyl)-1H-pyrazole-1-carboxamide, were prepared and found to possess insecticidal utility. 1,2-Diarylethanone compounds were converted to 1,2-diaryl-2-propen-1-one compounds by treatment with bis(dimethylamino)methane, the 1,2-diaryl-2-propen-1-one compounds were converted to 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds by treatment with hydrazine, and the 3,4-diaryl-4,5-dihydro-1H-pyrazole compounds were converted to the insecticidal subject compounds by treatment with an aryl isocyanate.Type: GrantFiled: June 2, 1993Date of Patent: February 20, 1996Assignee: DowElancoInventors: Kevin L. McLaren, Mark B. Hertlein, James T. Pechacek, Michael J. Ricks, Yulan C. Tong
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Patent number: 5480580Abstract: Optical active compounds which are chemically stable, are not colored, have a good optical stability, and which give a liquid crystal composition having a large spontaneous polarization when the compound is incorporated, are provided. The optical active compound have an asymmetric carbon atom fixed by a .delta.-valerolactone ring and the permanent dipole moment derived from the carboxylic group is fixed by the .delta.-valerolactone ring and two alkyl groups which can be regarded as a part of a measogen.Type: GrantFiled: January 23, 1995Date of Patent: January 2, 1996Assignee: Mitsubishi Rayon Company Ltd.Inventors: Keiichi Sakashita, Yoshitaka Kageyama, Tetsuya Ikemoto
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Patent number: 5478939Abstract: Compounds of the Formulae I or II ##STR1## wherein Z and R.sub.1, are as described herein which compounds are muscarinic agonists useful in treating central cholinergic disfunction and pharmaceutical compositions containing the compounds.Type: GrantFiled: July 20, 1994Date of Patent: December 26, 1995Assignee: American Cyanamid CompanyInventors: Eugene Trybulski, Jing Zhang
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Patent number: 5459266Abstract: The present invention provides novel substituted pyrazines or pyrazine derivatives ("NPD") which are functional and have useful application as a monomer for a variety of high performance polymers such as polyester, polyarylate, polycarbonate, polyetherketones, epoxides, polyimides, polyamides, and polyamides-imides. These NPD have the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are defined herein.Type: GrantFiled: February 4, 1994Date of Patent: October 17, 1995Assignee: Hoechst Celanese CorporationInventors: George Kvakovszky, Richard Vicari, Ahamed M. Tafesh, Kathleen N. Juneau, Olan S. Fruchey, Joseph A. McDonough, Debasish Kuila
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Patent number: 5434267Abstract: Process for the preparation of compounds of the formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, X and n have the meaning given in the description, by reacting acetates with carbon monoxide in the presence of a basic auxiliary, followed by alkylation. The products are intermediates for fungicidal acrylates.Type: GrantFiled: March 14, 1994Date of Patent: July 18, 1995Assignee: Bayer AktiengesellschaftInventors: Helmut Kraus, Alexander Klausener, Hans-Joachim Diehr
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Patent number: 5410057Abstract: The present invention relates to new 1-heteroarylazetidines and new 1-heteroarylpyrrolidines endowed with 5-HT.sub.3 agonist activity of formula (IV): ##STR1## The substituents A, R', R.sub.1 and P, and the variables n and m, are as herein described.Type: GrantFiled: September 24, 1993Date of Patent: April 25, 1995Assignee: SanofiInventors: Marco Baroni, Umberto Guzzi, Antonina Giudice, Marco Landi, Vivian Mazza
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Patent number: 5384407Abstract: A compound of the formula ##STR1## V, W, Y, and Z are each independently C--H, oxygen, nitrogen, or sulfur; T is C--H or nitrogen;n is 0 or 1;R.sup.4 is hydrogen or one, two or three substituents independently selected from C.sub.1 -C.sub.4 -alkyl, halo-substituted C.sub.1 -C.sub.4 -alkyl, hydroxy-substituted C.sub.1 -C.sub.4 -alkyl, halogen, hydroxy, C.sub.1 -C.sub.4 -alkoxy, mercapto, amino, mono-(C.sub.1 -C.sub.4 -alkyl)amino, di-(C.sub.1 -C.sub.4 -alkyl)amino, formamido, mono-(C.sub.1 -C.sub.4 -alkyl)amido, di-(C.sub.1 -C.sub.4 -alkyl)amido, cyano, nitro, C.sub.1 -C.sub.4 -alkoxycarbonyl, carboxyl, aminomethyl, mono-(C.sub.1 -C.sub.4 -alkyl)aminomethyl, di-(C.sub.1 -C.sub.4 -alkyl)aminomethyl, wherein free hydroxy and amino groups may be protected.Type: GrantFiled: March 30, 1994Date of Patent: January 24, 1995Assignee: Warner-Lambert CompanyInventors: Edgardo Laborde, Mel Schroeder
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Patent number: 5384408Abstract: 3(R)-[2-(6-trifluoromethylpyrazin)yl]-1-azabicyclo[2.2.2]octane and its salts, and pharmaceutical formulations thereof are useful in medicine. In particular, they are useful for the treatment of neurological and mental illnesses whose clinical manifestations are due to cholinergic deficiency, and for lowering intraocular pressure. The compound may be prepared by dehydroxylating or decarboxylating the corresponding 3-hydroxy- or carboxy-quinuclidine analogue.Type: GrantFiled: March 10, 1993Date of Patent: January 24, 1995Assignee: Merck Sharpe & Dohme Ltd.Inventors: Raymond Baker, Victor J. Lotti, Graham A. Showell
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Patent number: 5371091Abstract: Sulfonamide thrombin inhibitors are provided which have the structure ##STR1## including all stereoisomers thereof, wherein n is 1, 2 or 3; m is 0, 1 or 2; R.sup.1 and R.sup.2 are independently H, lower alkyl, cycloalkyl, aryl, heteroaryl or heteroaryl-alkyl, or R.sup.1 and R.sup.2 can be taken together with the N atom to which they are attached to form a 4- to 8-membered ring; R.sup.3 is monocyclic heteroaryl; and R.sup.4 is alkyl, cycloalkyl, aryl, heteroaryl, quinolinyl or tetrahydroquinolinyl, and pharmaceutically acceptable salts thereof.Type: GrantFiled: June 14, 1993Date of Patent: December 6, 1994Assignee: Bristol-Myers Squibb CompanyInventors: Raj N. Misra, Steven E. Hall
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Patent number: 5364865Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is selected from ##STR2## Y is a bond or lower alkylene; R.sub.2 and R.sub.3 are independently hydrogen, lower-alkyl or halogen;R.sub.4 is ##STR3## R.sub.5 is hydrogen, lower-alkyl or halogen; R.sub.6 is hydrogen, lower-alkyl or halogen;R.sub.7 is hydrogen or lower-alkyl;R.sub.8 is hydrogen, lower-alkyl, or trifluoromethyl;R.sub.9 is lower-alkyl;R.sub.10 is lower-alkyl, trifluoromethyl or difluoromethyl;or pharmaceutically acceptable acid addition salts thereof are useful as antiviral agents.Type: GrantFiled: December 30, 1992Date of Patent: November 15, 1994Assignee: Sterling Winthrop Inc.Inventor: Guy D. Diana
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Patent number: 5354500Abstract: Use of optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them.Optically active 1,3-dioxolane-4-carboxylic esters and oxirane-2-carboxylic esters of the general formula (I)R(--A.sup.1).sub.j (--M.sup.1).sub.k (--A.sup.2).sub.l (--M.sup.2).sub.m (--A.sup.3).sub.n --X--Acin whichR.sup.1 is, for example, (C.sub.1 -C.sub.16)-alkyl or (C.sub.1 -C.sub.16)-alkoxy,A.sup.1, A.sup.2, A.sup.3 are, for example, phenyl or pyrimidine-2, 5-diyl,M.sup.1, M.sup.2 are, for example, CO--O, CH.sub.2 --CH.sub.2,j, l are 0, 1, 2,k, m are 0, 1,n is 0, 1, 2,X is O, S andAc is ##STR1## in which R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 for example, H or methyl, are particularly suitable doping substances for liquid crystalline mixtures, since they induce a high spontaneous polarization and effect a substantial decrease in the melting point.Type: GrantFiled: April 17, 1992Date of Patent: October 11, 1994Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Hemmerling, Ingrid Muller, Hans-Rolf Dubal, Claus Escher, Gerhard Illian, Mikio Murakami, Dieter Ohlendorf, Rainer Wingen
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Patent number: 5350852Abstract: The invention relates to a process for making compounds of formula: ##STR1##Type: GrantFiled: August 13, 1993Date of Patent: September 27, 1994Assignee: SanofiInventors: Xavier Emonds-Alt, Pierre Goulaouic, Vincenzo Proietto, Didier Van Broeck
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Patent number: 5346902Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein Y is a specified small group or single atom and R.sup.1 and R.sup.2 are selected from a wide range of specified substituents.Type: GrantFiled: May 11, 1993Date of Patent: September 13, 1994Assignee: Imperial Chemical Industries PLCInventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine
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Patent number: 5286860Abstract: This invention encompasses compounds of the formula: ##STR1## and pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## represents: ##STR3## where n is 0, 1, or 2; R.sub.1 and R.sub.2 are hydrogen or straight or branched chain alkyl groups;Y represents various organic and inorganic substituents;W represents an aromatic group substituted with various organic and inorganic substituents;A is CH or N;B is a substituted or unsubstituted carbon or N; andE is hydrogen or straight or branched alkyl groupsThese compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine type drugs, and enhancement of alertness.Type: GrantFiled: November 12, 1992Date of Patent: February 15, 1994Assignee: Neurogen CorporationInventors: Charles Blum, Alan Hutchison
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Patent number: 5276037Abstract: The invention concerns an aryl derivative of the formula I, ##STR1## wherein Ar.sup.1 is optionally substituted phenyl, naphthyl or a heterocyclic moiety, and X.sup.1 is oxy, thio, sulphinyl, sulphonyl, difluoromethylene, imino, (1-4C)alkylimino or optionally substituted (1-4C)alkylene, or X.sup.1 is a group of the formula--X.sup.4 --CR.sub.2 -- or --CR.sub.2 --X.sup.4 --whereinX.sup.4 is oxy, thio, sulphinyl, sulphonyl or carbonyl and each R is hydrogen, methyl or ethyl;each of Ar.sup.2 and Ar.sup.3 is optionally substituted phenylene;X.sup.2 is oxy, thio, sulphinyl or sulphonyl;R.sup.1 is (1-4C)alkyl; andR.sup.2 and R.sup.3 together form a group of the formula --A.sup.1 --X.sup.3 --A.sup.2 -- which together with the carbon atom to which A.sup.1 and A.sup.2 are attached define a ring having 5 to 7 ring atoms, wherein each of A.sup.1 and A.sup.2 is (1-3C)alkylene and X.sup.Type: GrantFiled: April 14, 1993Date of Patent: January 4, 1994Assignees: Imperial Chemical Industries PLC, ICI PharmaInventors: Robert I. Dowell, Philip N. Edwards, Keith Oldham
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Patent number: 5270465Abstract: The present invention relates to 4(3H)-pteridinones represented by the formula: ##STR1## in which X is an oxygen atom or a sulphur atom, Y is a hydrogen atom, a lower alkyl radical, especially a methyl radical, at the 6-position or a hydroxyl group at the 7-position, R.sub.1 is a hydrogen atom, a lower alkyl radical, a substituted or unsubstituted phenyl radical, a benzyl radical, a methoxymethyl group, an acetyl group, a 2-acetoxyethyl group or a 2,2,2-trifluoroethyl group and R.sub.2 is a hydrogen atom or a lower alkyl radical, especially a methyl radical.Application of these compounds as anti-allergic drugs.Type: GrantFiled: November 3, 1992Date of Patent: December 14, 1993Assignee: Lipha, Lyonnaise Industrille PharmaceutiqueInventors: Gerard Ferrand, Herve Dumas, Jean-Claude Depin, Yvette Quentin
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Patent number: 5236921Abstract: The invention relates to compounds of formula: ##STR1## in which Y represents--either a group Cy--N in whichCy represents a phenyl, optionally substituted; a C.sub.3 -C.sub.7 cycloalkyl group; a pyrimidinyl group or a pyridyl group;or a group ##STR2## in which Ar represents a phenyl, optionally substituted, a pyridyl group; a thienyl group;x is zero or one;X represents a hydroxyl, a C.sub.1 -C.sub.4 alkoxy; a hydroxyalkyl; a C.sub.1 -C.sub.4 acyloxy; a phenacyloxy; a carboxyl; a C.sub.1 -C.sub.4 carbalkoxy; a cyano; an aminoalkylene; a group --N--(X.sub.1).sub.2 in which the groups X.sub.1 independently represent hydrogen, a C.sub.1 -C.sub.4 alkyl; a group ##STR3## in which Alk represents a C.sub.1 -C.sub.6 alkyl; a group ##STR4## in which the Alk.sub.1 is a C.sub.1 -C.sub.3 alkylene and Alk'.sub.1 is a C.sub.1 -C.sub.3 alkyl; a C.sub.1 -C.sub.4 acyl; a group --S--X.sub.2 in which X.sub.2 represents hydrogen or a C.sub.1 -C.sub.Type: GrantFiled: September 5, 1991Date of Patent: August 17, 1993Assignee: SanofiInventors: Xavier Emonds-Ai, Pierre Goulaouic, Vincenzo Proietto, Didier Van Broeck
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Patent number: 5204359Abstract: Insecticidally active nitro compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, cyano or alkyl,R.sup.2 is hydrogen or an organic radical,R.sup.3 is ##STR2## R.sup.4 is an organic radical, R.sup.5 and R.sup.6 are hydrogen or organic radicals,Y is CH or N, andZ is an optionally substituted 5- or 6-membered heterocyclic group,with certain conditions and exceptions.Type: GrantFiled: September 11, 1991Date of Patent: April 20, 1993Assignee: Nihon Bayer Agrochem K.K.Inventors: Kozo Shiokawa, Shinichi Tsuboi, Koichi Moriya, Yumi Hattori, Ikuro Honda, Katsuhiko Shibuya
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Patent number: 5187161Abstract: A p-aminophenol derivative having anti-inflammatory activity, represented by the formula ##STR1## wherein each of R.sup.1 and R.sup.2 is independently a hydrogen atom or a C.sub.1-6 acyl group; Ar is a pyrazine, pyrazine N-oxide, thiazole, benzene, pyridine, pyridazine, pyrimidine or triazine ring; R.sup.3 is a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy-carbonyl-C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a halogen atom or a carboxy-C.sub.1-6 alkyl group; A is a C.sub.1-6 alkylene group; and B is a C.sub.1-6 alkyl group, or a salt thereof.Type: GrantFiled: February 27, 1992Date of Patent: February 16, 1993Assignee: Otsuka Pharmaceutical Factory, Inc.Inventors: Kiyoto Goto, Kinji Hashimoto, Kenichi Kanai
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Patent number: 5180735Abstract: The present invention relates to a compound of the formula: ##STR1## wherein A is halogen, N(O)mR.sup.1 R.sup.2, N.sup..sym. R.sup.1 R.sup.2 R.sup.3 .multidot.X.sup..crclbar., S(O)nR.sup.1 or S.sup..sym. (O)mR.sup.1 R.sup.2 .multidot.X.sup..crclbar. where R.sup.1, R.sup.2 and R.sup.3 are each optionally substituted hydrocarbon or heterocyclic group, X.sup..crclbar. is a counter anion; m is an integer of 0 or 1; n is an integer of 0 to 2; R.sup.1 and R.sup.2 may form a nitrogen-containing or a sulfur-containing heterocyclic ring, which may further form a condensed ring, with the adjacent nitrogen atom or sulfur atom, and these nitrogen-containing or sulfur-containing heterocyclic rings may have substituents, Z is O or NR.sup.4 where R.sup.Type: GrantFiled: August 29, 1990Date of Patent: January 19, 1993Assignee: Takeda Chemical Industries, Ltd.Inventors: Shoji Kishimoto, Shogo Marui, Takeshi Fujita
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Patent number: 5110496Abstract: An optically active liquid crystal compound which is represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents an alkyl or aralkyl group of 4-18 carbon atoms, R.sub.3 represents a haloalkyl group, X represents O, COO, OCO, CO or a single bond, Y represents COO, OCO, CH.sub.2 O or OCH.sub.2, Z represents COO or O, (A) represents a cyclic group shown by ##STR2## (B) represents a cyclic group shown by ##STR3## and l shows that the cyclic groups are substituted by at least one halogen atom.Type: GrantFiled: March 1, 1991Date of Patent: May 5, 1992Assignees: Showa Shell Sekiyu Kabushiki Kaisha, Teikoku Chemical Industry Co., Ltd.Inventors: Hiroyuki Mogamiya, Noriko Yamakawa, Yoshiichi Suzuki, Hitoshi Suenaga, Yasuhiro Hasegawa
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Patent number: 5089168Abstract: Optically active nitrogen-containing heterocycles of the formula I according to claim 1 are suitable as components for ferroelectric liquid crystalline materials.Type: GrantFiled: May 16, 1989Date of Patent: February 18, 1992Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Joachim Krause, Rudolf Eidenschink, Klaus Bofinger, Reinhard Hopf, Volker Reiffenrath, Eike Poetsch, Bernhard Scheuble, Thomas Geelhaar
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Patent number: 5089495Abstract: The invention concerns a thiazole of the formula I, ##STR1## wherein Q.sup.1 is an optionally substituted 6-membered monocyclic or 10-membered bicyclic heterocyclic moiety containing one or two nitrogen atoms;X is oxy, thio, sulphinyl, sulphonyl or imino;Ar is phenylene which may optionally bear one or two substituents, orAr is an optionally substituted 6-membered heterocyclene moiety continuing up to three nitrogen atoms;R.sup.1 is hydrogen, (1-6C)alkyl, (2-6C)alkenyl, (2-6C)alkynyl or substituted (1-4C)alkyl;R.sup.2 is hydrogen, (1-6C)alkyl, (3-6C)alkenyl, (3-6C)alkynyl or substituted (1-4C)alkyl or R.sup.2 is optionally substituted benzoyl; andQ.sup.2 is optionally substituted thiazolyl; or a pharmaceutically-acceptable salt thereof.The invention also concerns processes for the manufacture of a thiazole of the formula I and pharmaceutical compositions containing said thiazole.Type: GrantFiled: January 10, 1990Date of Patent: February 18, 1992Assignees: Imperial Chemical Industries PLC, ICI PharmaInventors: Graham C. Crawley, Martin P. Edwards
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Patent number: 5084204Abstract: Naphthylacetylenes of the formula IR.sup.1 --(A.sup.1 --Z.sup.1).sub.m --A.sup.2 --C.tbd.C--A.sup.3 --(Z.sup.2 --A.sup.4).sub.n --R.sup.2 Iin which R.sup.1, A.sup.1, Z.sup.1, m, A.sup.2, A.sup.3, Z.sup.2, A.sup.4, n and R.sup.2 have the meanings described herein, are suitable as components of liquid crystal phases.Type: GrantFiled: November 10, 1988Date of Patent: January 28, 1992Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Volker Reiffenrath, Joachim Krause, Georg Weber
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Patent number: 5079251Abstract: Pyrazinone derivatives useful as insecticides have the formula (I): ##STR1## wherein A is N or C-R.sup.1 ; R.sup.1 and R.sup.2 are independently selected from hydrogen, halogen, haloalkyl, cyano or nitro; R.sup.3 and R.sup.4 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.5 is cyano, halo, nitro, alkoxy, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.6 is halo, cyano, nitro, haloalkyl, haloalkoxy, alkoxycarbonyl or --S(O).sub.n R.sup.10 ; R.sup.7 is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, haloalkylthio, alkoxycarbonyl, NR.sup.11 R.sup.12 or haloalkyl; R.sup.8 is H, halo, NR.sup.11 R.sup.12, alkyl, cycloalkyl or S(O).sub.n R.sup.10 ; and R.sup.9 is oxygen or sulphur; where n is 0, 1 or 2; and R.sup.10 is alkyl, haloalkyl or cycloalkyl and R.sup.11 and R.sup.12 are independently selected from hydrogen, alkyl, cycloalkyl, benzyl or substituted benzyl.Type: GrantFiled: July 12, 1990Date of Patent: January 7, 1992Assignee: Imperial Chemical Industries PLCInventor: Steven Fitzjohn
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Patent number: 5073557Abstract: The compound (R)-3-[2-(6-chloropyrazin)yl]-1-azabicyclo[2.2.2]octane and its salts behave as M.sub.1, M.sub.3 muscarinic agonists and are useful in the treatment of neurological and mental disorders, preferably in a pharmaceutical formulation comprising the active compound in association with a pharmaceutically acceptable carrier. The compound can be prepared by via methods analogous to those known in the art and a chiral acid resolution.Type: GrantFiled: August 8, 1990Date of Patent: December 17, 1991Assignee: Merck Sharp & Dohme LimitedInventors: Raymond Baker, Leslie J. Street, John Saunders
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Patent number: 5071860Abstract: Insecticidally active substituted heteroaryl phenyl ethers of the formula ##STR1## in which Het represents an optionally substituted heteroaromatic radical,X represents O, S, --CH.sub.2 --, --O--CH.sub.2 --, --S--CH.sub.2 --, --CH.sub.2 --O--, ##STR2## Y represents O, --O--CH.sub.2 -- or S, Z represents an optionally substituted aromatic or heteroaromatic radical;m represents integers from 1-4n represents 0, 1, 2, 3, 4O represents 0, 1, 2, 3, 4, provided than n and o do not simultaneously represent 0p represents integers from 1-4,R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another represent hydrogen, C.sub.1 -C.sub.6 -alkyl which is optionally substituted; two radicals adjacent to one another can also, together with the C atoms to which they are bonded, form a saturated carbocyclic 5- or 6-ring,R.sup.1 represents identical or different radicals hydrogen, halogen, CN, C.sub.1-4 -alkyl, 1-5-halogeno-C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylthio, 1-5-halogeno-C.sub.Type: GrantFiled: March 7, 1990Date of Patent: December 10, 1991Assignee: Bayer AktiengesellschaftInventors: Bernd Alig, Wilhelm Stendel, Michael Londershausen
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Patent number: 5049561Abstract: This invention concerns a process for killing internal parasites, especially nematodes, trematodes and cestodes affecting warm blooded animals such as sheep, cattle, swine, goats, dogs, cats, horses and humans as well as poultry by administering an effective amount of a compound of the Formula I. ##STR1## The compounds are readily prepared by conventional chemical reactions.Type: GrantFiled: January 30, 1990Date of Patent: September 17, 1991Assignee: The Upjohn CompanyInventors: Douglas L. Rector, George A. Conder, Sylvester D. Folz
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Patent number: 5043443Abstract: Novel aminomethyloxooxazolidinyl arylbenzene derivatives, wherein the aryl includes the phenyl, substituted phenyl, pyridyl, and substituted pyridyl groups, such as (l)-N-{3-[4- (4'-pyridyl)phenyl]-2-oxooxazolidin-5-ylmethyl}acetamide, possess useful antibacterial activity.Type: GrantFiled: July 24, 1990Date of Patent: August 27, 1991Assignee: Du Pont Merck Pharmaceutical CompanyInventors: Randall K. Carlson, Chung-Ho Park, Walter A. Gregory
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Patent number: 5017583Abstract: Compounds of the Formula I: ##STR1## and pharmaceutically acceptable salts thereof are leukotriene antagonists. These compounds inhibit SRS-A and leukotriene synthesis and are antagonists of SRS-A and are thus useful in the treatment of asthma, allergic disorders, inflammation, skin diseases and certain cardiovascular disorders.Type: GrantFiled: February 23, 1988Date of Patent: May 21, 1991Assignee: Merck Frosst Canada, Inc.Inventors: Robert N. Young, Joshua Rokach, Haydn R. Williams, Masatoshi Kakushima, Yvan Guindon
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Patent number: 4996218Abstract: Compounds of the general formula (I) ##STR1## and physiologically acceptable salts and solvates thereof, which have .beta..sub.2 -adrenoreceptor stimulant activity. They may be used in the treatment of diseases associated with reversible airways obstruction, such as asthma and chronic bronchitis.In preferred embodiments, Q represents a chlorine atom or a trifluoromethyl group, X represents a C.sub.3-4 alkylene chain, Y a C.sub.1-5 alkylene chain, R, R.sup.1 and R.sup.2 are each preferably a hydrogen atom or a methyl group and Het represents a pyrimidinyl pyrazinyl, triazinyl, thiazolyl, quinolinyl, benzimidazolyl, benzothiazolyl, benzoxazolyl or pyridyl group.Type: GrantFiled: August 10, 1988Date of Patent: February 26, 1991Assignee: Glaxo Group LimitedInventor: Lawrence H. C. Lunts
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Patent number: 4975112Abstract: Pyrazine derivatives useful as plant growth regulating agents have the general formula: ##STR1## and stereoisomers thereof, wherein R.sup.1 is C.sub.1 -C.sub.4 alkyl optionally substituted with halogen, or cyclopropyl optionally substituted with C.sub.1 -C.sub.4 alkyl; R.sup.2 is C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, or C.sub.2 -C.sub.8 alkynyl each optionally substituted with halogen; C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.6 cycloalkenyl, C.sub.3 -C.sub.6 cycloalkylalkyl, C.sub.3 -C.sub.6 cycloalkenylalkyl, phenylalkenyl or phenylalkynyl each optionally substituted on the ring group; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen, C.sub.1 -C.sub.4 alkyl, halogen, alkylamino, cyano, or alkoxy; n is 0 or 1; and salts, ethers, acylates and metal complexes thereof.Type: GrantFiled: June 22, 1988Date of Patent: December 4, 1990Assignee: Imperial Chemical Industries, PLCInventors: David A. Griffin, Martin J. Rice, Raymond Elliott
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Patent number: 4970315Abstract: Compounds of formula I ##STR1## wherein X.sup..crclbar. is Cl.sup..crclbar. or Br.sup..crclbar.,M is Cu.sup.2.sbsb..sym. or Ni.sup.2.sbsb..sym.,Z is a halogen atom, --NH.sub.2, C.sub.1 -C.sub.4 alkyl or C.sub.2 -C.sub.4 alkoxy,R.sup.1 is H, methyl methoxy, halogen or --NH.sub.2, andA is a group ##STR2## wherein R.sup.2 and R.sup.3 each independently have the same meaning as R.sup.1.The compounds are simultaneously cryochromic or thermochromic and are suitable as warning indicators for cooled or heated structural elements.Type: GrantFiled: July 26, 1989Date of Patent: November 13, 1990Assignee: Ciba-Geigy CorporationInventor: Beat Schmidhalter
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Patent number: 4961867Abstract: Novel compositions are prepared from (1) amino substituted pyrazine compounds such as pyrazinamine and (2) at least one of (a) a carboxylic acid, (b) carboxylic acid anhydride, (c) carboxylic acid ester or (d) combination thereof, such as tall oil fatty acid, and (3) optionally in the presence of sodium hydride. These novel compositions are useful as oil and gas well corrosion inhibitors.Type: GrantFiled: February 14, 1989Date of Patent: October 9, 1990Assignee: The Dow Chemical CompanyInventor: Duane S. Treybig
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Patent number: 4948891Abstract: Compounds of the formula ##STR1## where Het is a heterocyclic group, n is an integer of 0 to 2 and R.sup.1 is hydrogen or lower alkyl are protease inhibitors useful as anti-plasmin and anti-thrombin agents.Type: GrantFiled: August 9, 1989Date of Patent: August 14, 1990Assignee: Pfizer Inc.Inventors: Rodney C. Schnur, Anton F. J. Fliri
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Patent number: 4942234Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, lower alkyl, aryl or halo, or R.sup.1 and R.sup.2 taken together represent ##STR2## where the dotted lines represent optional double bonds; R.sup.3, R.sup.4 and R.sup.5 are each, independently, hydrogen, lower alkyl, aryl or halo;R.sup.6 is 2-pyridinyl, 2-pyrazinyl, 2-quinolyl, 2-quinoxalinyl or any of the foregoing R.sup.6 moieties substituted by lower alkyl, lower alkoxy, trifluoromethyl, cyano, nitro or halo; or ##STR3## wherein R.sup.7 is phenyl, 2-pyridinyl, 2-pyrimidinyl, 3-pyridazinyl or 2-pyrazinyl or any of the foregoing R.sup.7 moieties substituted by lower alkyl, lower alkoxy, halo, cyano, trifluoromethyl or nitro;Z is ##STR4## X is lower alkylene, vinylene, O or NH; m is 1-5;n is 0-4;p is 1-4;q is 1-2;and the pharmaceutically acceptable salts thereof, and their use as antipsychotic/anxiolytic agents having a low liability for extrapyramidal side effects.Type: GrantFiled: February 28, 1989Date of Patent: July 17, 1990Assignee: American Home Products CorporationInventors: Magid A. Abou-Gharbia, Guy A. Schiehser, Usha R. Patel
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Patent number: 4921632Abstract: Liquid Crystal compounds represented by the following formula are disclosed. ##STR1## wherein R and R' are independently selected from alkyl groups containing 1.about.20 carbon atoms; X is --O--, --O--CO--O-- or direct bond; A.sub.1 and A.sub.2 are independently cyclic groups (such as phenylene and biphenylene), said cyclic groups may be substituted with 1.about.4 fluorine, chlorine or bromine atoms, or 1 or 2 substituent groups selected from the group consisting of cyano, nitro and trifluoromethyl groups; Y is --CO--O--, --O--CO--, --C.tbd.C--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.dbd.N--, --N.dbd.CH--, --N.dbd.N--, --CH.sub.2 S--, --SCH.sub.2 -- or direct bond; and * represents asymmetric atom providing optical activity.Type: GrantFiled: August 19, 1988Date of Patent: May 1, 1990Assignees: NEC Corporation, Sanyo Chemical Industries, Ltd.Inventors: Toyokazu Nakamura, Yuzi Kato, Shohei Naemura, Chizuka Tani, Masahiro Satoh, Kunikiyo Yoshio, Hiroshi Kishiki, Hiroshi Hoshino
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Patent number: 4912109Abstract: This invention pertains to novel substituted N-heterocyclic-N-(4-piperidinyl)amides useful as analgesics and antagonists of opiods, wherein the compounds have the general formula: ##STR1## including optically active isomeric forms, and the pharmaceutically acceptable acid addition salts thereof, wherein:R is a substituted or unsubstituted unsaturated heterocyclic ring system having 5 to 6 cyclic member atoms containing at least one nitrogen atom, and is preferably selected from the group consisting of pyridinyl, pyrimidinyl, and pyrazinyl;R.sub.1 is selected from the group consisting of unsubstituted or substituted heterocyclic ring systems having 5 cyclic member atoms, lower cyclic alkyl ring systems, lower-alkyl and lower-alkoxy lower-alkyl, and is preferably selected from the group consisting of furanyl lower-alkyl, thienyl lower-alkyl, pyrrolyl lower-alkyl, lower-alkyl, lower-cycloalkyl, and lower-alkoxy lower-alkyl of 2 to 6 carbons;R.sub.Type: GrantFiled: December 9, 1988Date of Patent: March 27, 1990Assignee: BOC, Inc.Inventors: Jerome R. Bagley, H. Kenneth Spencer
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Patent number: 4886817Abstract: This invention relates to imidazolidinone compounds of the formula ##STR1## wherein Q is methylene group or a single bond:R is a heterocyclic group selected from the group consisting of pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl and 1,3-thiazolyl which may be unsubstituted or with a substituent selected from the group consisting of lower alkyl, lower alkoxy and halogen atom, wherein R is bonded to Q or, when Q is a single bond, to the imidazolidinone ring, through the carbon atom of R;the ring A is an unsubstituted phenyl or a substituted phenyl having 1 or 2 substituent(s) selected from the group consisting of lower alkyl, lower alkoxy, halogen, lower alkylthio, trihalogeno-lower alkyl and nitro;Y is vinylene group or ethynylene;m is a integer from 1 to 6 andn is 0, 1 or 2,or a pharmacetically acceptable salt thereof.These compounds aer useful as cerebral activators, anti-depressants and nootropic drugs.Type: GrantFiled: December 29, 1988Date of Patent: December 12, 1989Assignee: Tanabe Seiyaku Co., Ltd.Inventors: Mikio Takeda, Masaru Inage, Hiroshi Wada, Hajime Tamaki, Takashi Ochiai
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Patent number: 4876259Abstract: Cognitive deficiencies and/or neurological function deficits and/or mood and/or mental disturbances are treated by the administration of 3,3-disubstituted indolines. The indolines have the formula: ##STR1## wherein: p is 0 or 1;Z is O or S;R is C.sub.1 -C.sub.10 alkyl, C.sub.3 -C.sub.8 cycloalkyl, 2-pyridyl, 3-pyridyl, 4-pyridyl or ##STR2## V, W, X, and Y independently are H, halo, C.sub.1 -C.sub.3 alkyl, OR.sup.1, NO.sub.2, CF.sub.3, CN or NR.sup.1 R.sup.2 ;R.sup.1 and R.sup.2 independently are H or C.sub.1 -C.sub.3 alkyl; ##STR3## independently are 6-membered heterocyclic aromatic rings containing at least one nitrogen atom as a part of the ring optionally substituted with one substituent selected from the group C.sub.1 -C.sub.3 alkyl, halo, OR.sup.1 or NR.sup.1 R.sup.2 ; oran N-oxide or pharmaceutically suitable acid addition salt thereof.Type: GrantFiled: December 7, 1987Date of Patent: October 24, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventors: Melvyn J. Myers, Victor J. Nickolson
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Patent number: 4874864Abstract: Compounds of the formula ##STR1## where HET is a heterocyclic group, n is an integer of 0 to 2 and R.sup.1 is hydrogen or lower alkyl are protease inhibitors use as anti-plasmin and anti-thrombin agents.Type: GrantFiled: May 24, 1988Date of Patent: October 17, 1989Assignee: Pfizer Inc.Inventors: Rodney C. Schnur, Anton F. J. Fliri
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Patent number: 4868183Abstract: Disclosed are compounds of the formula ##STR1## wherein: R.sup.1 is a lower alkyl group;R.sup.2 and R.sup.3 are each hydrogen or lower alkyl or R.sup.2 and R.sup.3 taken together may form --(CH.sub.2 (.sub.4)-- or --CH.dbd.CH--CH.dbd.CH--;.alpha. is a 5- or 6-membered heteroaromatic ring group containing 1 to 3 hetero-atoms selected from the group consisting of nitrogen, oxygen and sulfur, or a pyrazine-N-oxide ring, pyridazine-N-oxide ring or pyrimidine-N-oxide ring group, wherein each of these heteroaromatic ring groups may optionally have 1 to 3 substituents selected from the group consisting of a lower alkyl, halogen, phenyl, lower alkoxycarbonyl, amino, lower alkoxy and hydroxy-lower alkyl, with the proviso that said 5- or 6-membered heteroaromatic ring group is not thiazolyl, isothiazolyl, pyridyl or 1,3,5-triazinyl group; or salts thereof. These compounds and salts thereof have anti-inflammatory activity and lipoxygenase-inhibitory activity.Type: GrantFiled: July 20, 1987Date of Patent: September 19, 1989Assignee: Otsuka Pharmaceutical Factory, Inc.Inventors: Kenichi Kanai, Kiyoto Goto, Kinji Hashimoto
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Patent number: 4861884Abstract: Novel compositions are prepared from (1) amino substituted pyrazine compounds such as pyrazinamine and (2) at least one of (a) a carboxylic acid, (b) carboxylic acid anhydride, (c) carboxylic acid ester or (d) combination thereof, such as tall oil fatty acid, and (3) optionally in the presence of sodium hydride. These novel compositions are useful as oil and gas well corrosion inhibitors.Type: GrantFiled: April 4, 1988Date of Patent: August 29, 1989Assignee: The Dow Chemical CompanyInventor: Duane S. Treybig
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Patent number: 4849432Abstract: Novel heterocyclic compounds of the formula ##STR1## wherein, R.sup.1 represents a hydrogen atom or an alkyl group, A represents an ethylene group which may be substituted by alkyl or a trimethylene group which may be substituted by alkyl, X represents an oxygen or sulfur atom or the group ##STR2## in which R.sup.2 represents a hydrogen atom of an optionally substituted alkyl, an alkenyl, an alkynyl or an acyl group, and R.sup.3 represents a hydrogen atom or an alkyl group, and Z represents an optionally sibstituted 5- or 6-membered heterocyclic group which contains at least two hetero atoms selected from oxygen, sulfur and nitrogen atoms, or an optionally substituted 3- or 4-pyridyl group.The above defined novel heterocyclic compounds of formula (I) exhibit powerful insecticidal properties.Type: GrantFiled: February 24, 1987Date of Patent: July 18, 1989Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Kozo Shiokawa, Shinichi Tsuboi, Shinzo Kagabu, Shoko Sasaki, Koichi Moriya, Yumi Hattori
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Patent number: 4834904Abstract: Optically active nitrogen-containing heterocycles of the formula I according to claim 1 are suitable as components for ferroelectric liquid crystalline materials.Type: GrantFiled: December 24, 1986Date of Patent: May 30, 1989Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Joachim Krause, Rudolf Eidenschink, Klaus Bofinger, Bernhard Scheuble, Thomas Geelhaar
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Patent number: 4833249Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, lower alkyl, aryl or halo, or R.sup.1 and R.sup.2 taken together represent ##STR2## where the dotted lines represent optional double bonds; R.sup.3, R.sup.4 and R.sup.5 are each, independently, hydrogen, lower alkyl, aryl or halo;R.sup.6 is 2-pyridinyl, 2-pyrazinyl, 2-quinolyl, 2-quinoxalinyl or any of the foregoing R.sup.6 moieties substituted by lower alkyl, lower alkoxy, trifluoromethyl, cyano, nitro or halo; orR.sup.6 is ##STR3## wherein R.sup.7 is phenyl, 2-pyridinyl, 2-pyrimidinyl, 3-pyridazinyl or 2-pyrazinyl or any of the foregoing R.sup.7 moieties substituted by lower alkyl, lower alkoxy, halo, cyano, trifluoromethyl or nitro;Z is --(CH.sub.2).sub.Type: GrantFiled: March 5, 1987Date of Patent: May 23, 1989Assignee: American Home Products CorporationInventors: Magid A. Abou-Gharbia, Guy A. Schiehser, Usha R. Patel
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Patent number: 4826843Abstract: A series of diazinylpiperidine compounds of Formula I ##STR1## wherein X is an ethylene chain or a 1,2-benzo ring; Y is carbonyl or methylene; R.sup.1 is hydrogen or lower alkyl; and Z is an R.sup.2, R.sup.3 -disubstituted diazinyl ring selected from pyridazine, pyrimidine, and pyrazine ring systems. Pharmacologic and neuroanatomical testing demonstrates that compounds of the series act to enhance cerebral function in mammals, particularly when there is a deficit in normal cerebral functioning. Specific pharmacologic test results indicate that compounds of Formula I possess cognition and memory enhancing activity.Type: GrantFiled: August 28, 1987Date of Patent: May 2, 1989Assignee: Bristol-MyersInventors: Ronald J. Mattson, Joseph P. Yevich, Michael S. Eison
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Patent number: 4808620Abstract: A pyrazolopyridine compound of the formula: ##STR1## or a salt thereof, wherein each symbol is as defined in the specification. Said compounds exhibit antiinflammatory, analgesic, antipyretic, antiallergic, antiarthritic, antirheumatic activities or inhibitory activities on platelet aggregation.Type: GrantFiled: July 22, 1987Date of Patent: February 28, 1989Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Takanori Oe, Kazuyuji Kawasaki, Michio Terasawa, Tomonori Imayoshi, Yukihiro Yasunaga