The Chalcogen, X, Is In A -c(=x)- Group Patents (Class 546/340)
-
Patent number: 5808082Abstract: A process for the preparation of Phosphodiesterase IV inhibitors is described. The process consists of eight chemical steps involving five isolations to prepare the title compound from readily available isovanillin in 35% overall yield (Scheme 1). The process is highlighted by: a) a highly diastereoselective Michael addition of phenyllithium using (1R, 2S) cis-aminoindanol as a chiral auxiliary, b) highly crystalline intermediates providing for efficient purifications, c) crystallization of the final compound as its CSA salt for excellent enantiomeric purity.Type: GrantFiled: April 22, 1997Date of Patent: September 15, 1998Assignee: Merck & Co., Inc.Inventors: Woo-Baeg Choi, Hywyn R. D. Churchill, Joseph E. Lynch, Paul J. Reider, Ralph P. Volante
-
Patent number: 5763688Abstract: The present invention provides a method for producing a alcohol including an optically active alcohol by hydrogenating a carbonyl compound in the presence of a homogeneous catalyst, a base and a nitrogen-containing organic compound. Thus, the reaction employs an inexpensive catalyst and proceeds in high yield and high efficiency.Type: GrantFiled: December 7, 1995Date of Patent: June 9, 1998Assignee: Research Development Corporation of JapanInventors: Takao Ikariya, Takeshi Ohkuma, Hirohito Ooka, Shohei Hashiguchi, Nobuo Seido, Ryoji Noyori
-
Patent number: 5728838Abstract: A process for the preparation of a compound of structural formula I ##STR1## wherein R.sup.1 is alkyl, alkenyl, phenyl or substituted phenyl, which comprises the addition of R.sup.1 to an intermediate 2: ##STR2## by treatment of 2 with (R.sup.1).sub.3 M followed by reductive removal of the sulfinyl group.Type: GrantFiled: April 2, 1997Date of Patent: March 17, 1998Assignee: Merck & Co., Inc.Inventors: Ioannis Houpis, Audrey Molina, Ralph P. Volante
-
Patent number: 5726317Abstract: A cyclobutenedione derivative. It comprises substituted or non-substituted aromatic group A; conjugated chain B which may contain an aromatic bonding group; and hydrogen bonding or ion bonding cyclobutenedionyl group C having an aromatic group which is bonded to the conjugated chain B, wherein A and B and C are bonded in the form of A--B--C. Crystal of the derivative is used as a non-linear optical device.Type: GrantFiled: September 3, 1996Date of Patent: March 10, 1998Assignee: Fuji Xerox Co., Ltd.Inventors: Yasunari Nishikata, Lyong Sun Pu
-
Patent number: 5703017Abstract: 3-(Het)arylcarboxylic acid derivatives of the formula I ##STR1## where R is formyl, CO.sub.2 H or a radical hydrolyzable to COOH and the other substituents have the following meanings:R.sup.2 and R.sup.3 are each halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio;X is nitrogen or CR.sup.14, where R.sup.14 is hydrogen or, together with R.sup.3, forms an alkylene or alkenylene chain, in each of which a methylene group is replaced by oxygen;R.sup.4 is phenyl or naphthyl, each of which is unsubstituted or substituted or an unsubstituted or substituted five-membered or six-membered heteroaromatic structure containing one to three nitrogen atoms or one sulfur or oxygen atom;R.sup.5 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, haloalkyl, alkoxyalkyl, alkylthioalkyl or phenyl;R.sup.6 is C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl or C.sub.3 -C.sub.Type: GrantFiled: October 19, 1995Date of Patent: December 30, 1997Assignee: BASF AktiengesellschaftInventors: Ernst Baumann, Joachim Rheinheimer, Uwe Josef Vogelbacher, Matthias Bratz, Hans Theobald, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter, Wilhelm Rademacher
-
Patent number: 5700943Abstract: This invention relates to a process of making a compound of formula I ##STR1## where R.sub.1 contains an .alpha.,.beta.-unsaturated carbonyl group & R.sub.n is hydrogen or nonhydrogen radicals which do not have a functional group which interferes with the coupling reaction, which process comprises coupling a thiolphenol or phenylalkylmercaptan with a chloromethylpyridine in the presence of DBU under an inert atmosphere. These compounds are leukotriene antagonists and as such can be used in treating various diseases associated with leukotrienes.Type: GrantFiled: December 20, 1994Date of Patent: December 23, 1997Assignee: SmithKline Beecham CorporationInventor: Robert A. Daines
-
Patent number: 5686619Abstract: Provided is a process for preparing chloroalkyl pyridinium hydrochloride compounds and various regioisomers and analogs thereof having substantially high purity levels and yields and a free-flowing, non-dusting form.Type: GrantFiled: March 6, 1995Date of Patent: November 11, 1997Assignee: Cytec Technology Corp.Inventors: William Elliott Bay, Matthew A. Brown, David R. Kilanowski
-
Patent number: 5656636Type: GrantFiled: May 11, 1995Date of Patent: August 12, 1997Assignee: SmithKline Beecham CorporationInventors: Pamela Anne Chambers, Robert A. Daines, Dalia R. Jakas, William D. Kingsbury, Israil Pendrak
-
Patent number: 5646158Abstract: This invention relates to certain 1,3,3-(trisubstituted)cyclohex-1-ene monomers and related compounds which are useful in treating allergic and inflammatory diseases and for inhibiting the production of Tumor Necrosis Factor (TNF).Type: GrantFiled: February 27, 1996Date of Patent: July 8, 1997Assignee: SmithKline Beecham CorporationInventors: Siegfried B. Christensen, IV, Joseph M. Karpinski, M. Dominic Ryan, Paul E. Bender
-
Patent number: 5643914Abstract: This invention relates to a compound of formula 1 ##STR1## or an N-oxide, or a pharmaceutically acceptable salt, where A is CH.sub.2 and Z is S(O).sub.q where q is 0, 1 or 2, CH.sub.2, CHOH, CO, NR.sub.x, or O, orA is C.dbd.O and Z is NR.sub.x ;m is 0-5;R.sub.x is hydrogen or lower alkyl;R is C.sub.1 to C.sub.20 -aliphatic, unsubstituted or substituted five-membered heteroaryl-C.sub.1 to C.sub.10 -aliphatic-O--, unsubstituted or substituted phenyl-C.sub.1 to C.sub.10 -aliphatic where substituted p from the group consisting of lower alkoxy, lower alkyl, trihalomethyl, and halo, or R is C.sub.1 to C.sub.20 -aliphatic-O--, or R is unsubstituted or substituted phenyl-C.sub.1 to C.sub.10 -aliphatic-O-- where substituted phenyl has one or more radicals selected from the group consisting of lower alkoxy, lower alkyl, trihalomethyl, and halo;R.sub.1 is R.sub.4, --(C.sub.1 to C.sub.5 aliphatic)R.sub.4, --(C.sub.1 to C.sub.5 aliphatic)CHO, --(C.sub.1 to C.sub.5 aliphatic)CH.sub.2 OR.sub.5;R.sub.2 and R.sub.Type: GrantFiled: December 19, 1994Date of Patent: July 1, 1997Assignee: SmithKline Beecham CorporationInventor: Robert A. Daines
-
Patent number: 5637716Abstract: Intermediates for the preparation of benzothiazole derivatives useful for the prevention and treatment of diseases for which an inhibitory action against the production of leukotriene and thromboxane is efficacious, and industrially advantageous processes for the preparation of the intermediates.Type: GrantFiled: December 27, 1995Date of Patent: June 10, 1997Assignees: Eisai Co., Ltd., Eisai Chemical Co., Ltd.Inventors: Yuuki Komatsu, Norio Minami, Ken Furukawa, Hiroshi Nishimura, Yoji Yamagishi
-
Patent number: 5633258Type: GrantFiled: May 11, 1995Date of Patent: May 27, 1997Assignee: SmithKline Beecham CorporationInventors: Pamela A. Chambers, Robert A. Daines, Dalia R. Jakas, William D. Kingsbury, Israil Pendrak
-
Patent number: 5631262Type: GrantFiled: May 11, 1995Date of Patent: May 20, 1997Assignee: SmithKline Beecham CorporationInventors: Pamela A. Chambers, Robert A. Daines, Dalia R. Jakas, William D. Kingsbury, Israil Pendrak
-
Patent number: 5624943Abstract: The invention relates to new pyridine derivatives of general formula I which have useful properties, e.g., as leukotriene-B.sub.4 -antagonists. Pharmaceutical compositions containing these compounds can be used to treat various diseases.Type: GrantFiled: April 27, 1995Date of Patent: April 29, 1997Assignee: Schering AktiengesellschaftInventors: Josef Heindl, Werner Skuballa, Bernd Buchmann, Wolfgang Fr ohlich, Roland Ekerdt, Claudia Giesen
-
Patent number: 5618829Abstract: A pharmaceutical composition which comprises a pharmaceutically effective amount of a compound of the formula ##STR1## wherein R.sup.1 represents a hydrogen atom,R.sup.2 represents --(CH.sub.2).sub.m -Awherein m is an integer of 0 to 3, andA represents pyridyl which is unsubstituted or is substituted by C.sub.1 -C.sub.3 alkyl said alkyl being unsubstituted or substituted by phenyl, and R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each independently represent a hydrogen atom, a halogen atom, C.sub.1 -C.sub.5 alkyl which is unsubstituted or is substituted with a halogen atom or --OR.sup.13 wherein R.sup.13 represents a hydrogen atom or C.sub.1 -C.sub.5 alkyl which is unsubstituted or is substituted with a halogen atom or phenyl, or when their adjacent substituents are taken together, they represent C.sub.1 -C.sub.3 oxyalkylene having one or two oxygen atoms;or a pharmaceutically acceptable salt thereof, anda pharmaceutically acceptable carrier therefor.Type: GrantFiled: January 25, 1994Date of Patent: April 8, 1997Assignee: Mitsubishi Chemical CorporationInventors: Hisao Takayanagi, Yasunori Kitano, Tamaki Yano, Hiroe Umeki, Hiroto Hara
-
Patent number: 5618943Abstract: Compounds of the formula ##STR1## the symbols have the meaning described in the specification have retinoid-like biological activity.Type: GrantFiled: December 29, 1994Date of Patent: April 8, 1997Assignee: AllerganInventors: Vidyasagar Vuligonda, Alan T. Johnson, Richard L. Beard, Min Teng, Tae K. Song, Harold N. Wong, Roshantha A. Chandraratna
-
Patent number: 5614634Abstract: Leukotriene-B.sub.4 analogs of formula I ##STR1## in which R.sup.1 means radical COOR.sup.2 with R.sup.2 meaning a hydrogen atom or a (C.sub.1 -C.sub.4)-alkyl group or R.sup.1 means radical CH.sub.2 OH,B means an alkylene group with 1-3 C atoms in the chain, a radical ##STR2## or a radical ##STR3## with R.sup.3 meaning a hydrogen atom, a carboxy or methoxycarbonyl group, A means groups ##STR4## --NH--CO--, --CO--NH--, --OCH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --COCH.sub.2 -- or --CHOH--CH.sub.2 --,X means N or CH,D means groups or ##STR5## and . . . . . means a single or double bond, as well as optionally their salts with physiologically harmless bases, process for their production and their pharmaceutical use.Type: GrantFiled: June 5, 1995Date of Patent: March 25, 1997Assignee: Schering AktiengesellschaftInventors: Josef Heindl, Werner Skuballa, Bernd Buchmann, Wolfgang Frohlich, Roland Ekerdt, Claudia Giesen
-
Patent number: 5605915Abstract: Compounds of the formula ##STR1## wherein the symbols have the meaning defined in the specification.Type: GrantFiled: May 31, 1996Date of Patent: February 25, 1997Assignee: AllerganInventors: Vidyasagar Vuligonda, Richard L. Beard, Alan T. Johnson, Min Teng, Tae K. Song, Roshantha A. Chandraratna
-
Patent number: 5595995Abstract: Compounds having the general formula: ##STR1## wherein each of R.sup.1 and R.sup.2 independently represents hydrogen or alkyl of 1 to 4 carbon atoms;A represents --O-- or --CR.sup.4 R.sup.5, where R.sup.4 and R.sup.5 are defined as for R.sup.1 or R.sup.2 ;R.sup.3 represents an adamantyl group; andPy represents a 3- or 4-pyridyl group, as free bases or their pharmaceutically acceptable salts are useful in treating androgen-dependent, especially prostatic, cancer.Type: GrantFiled: January 18, 1995Date of Patent: January 21, 1997Assignee: British Technology Group LimitedInventors: Ferdinand Chan, Michael Jarman, Gerard A. Potter
-
Patent number: 5574056Abstract: Compounds having the formula ##STR1## wherein Q is ##STR2## R.sup.1 is C.sub.1 -C.sub.8 alkyl; R.sup.2 is C.sub.6 -C.sub.18 aryl, unsubstituted or substituted with one or more C.sub.1 -C.sub.6 alkyl, halo, C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 haloalkyl; or C.sub.4 -C.sub.17 heterocyclic aryl comprising one or more oxygen or nitrogen atoms;X is nitrogen or --CH--; andn is 2, 3 or 4,or a stereoisomer thereof, with the proviso that when Q is ##STR3## and X is N, then R.sup.2 is not phenyl or substituted phenyl. These compounds are useful as fungicides.Type: GrantFiled: June 5, 1995Date of Patent: November 12, 1996Assignee: Uniroyal Chemical Company, Inc.Inventors: Shih-Yu Ma, Robert A. Davis
-
Patent number: 5557006Abstract: Novel 1-alkyl-, 1-alkenyl-, and 1-alkynylaryl-2-amino-1,3-propanediols, intermediates and processes for the preparation thereof, and methods of reducing inflammation and cell proliferation, and relieving memory dysfunction, and inhibiting bacterial and fungal growth fire disclosed.Type: GrantFiled: April 20, 1995Date of Patent: September 17, 1996Assignee: Hoechst-Roussel Pharmaceuticals Inc.Inventors: John J. Tegeler, Barbara S. Rauckman, Russell R. L. Hamer, Brian S. Freed, Gregory H. Merriman
-
Patent number: 5554758Abstract: A compound of the formula:A--CH.sub.2 CH.sub.2 --O--B[wherein A stands for an aromatic ring residue, a group shown by R.sup.1 --CO-- (wherein R.sup.1 stands for an aliphatic hydrocarbon residue, aromatic hydrocarbon residue, a heterocyclic residue, an aromatic alipahtic hydrocarbon residue or an alicyclic hydrocarbon residue) or R.sup.2 --CH.dbd.CH-- (wherein R.sup.2 stands for an aliphatic hydrocarbon residue an aromatic hydrocarbon residue a heterocyclic residue an aromatic aliphatic hydrocarbon residue or an alicyclic hydrocarbon residue), and B stands for an aromatic ring residue], can be obtained in high yield, at high purity level by short reaction time, by reacting a compound of the formula:A--CH.sub.2 CH.sub.2 --X(wherein A is of the same meaning as defined above, and X stands for a leaving group) with a compound represented by the general formula:MO--B(wherein M stands for an alkali metal atom or an alkaline earth metal atom and B is of the same meaning as defined above) in a non-aqueous solvent.Type: GrantFiled: June 7, 1995Date of Patent: September 10, 1996Assignee: Takeda Chemical Industries, Ltd.Inventors: Yukio Mizuno, Miichiro Arita
-
Patent number: 5554641Abstract: The small nonpeptides of the instant invention are tachykinin antagonists. The compounds are highly selective and functional NK.sub.3 antagonists expected to be useful in the treatment of pain, depression, anxiety, panic, schizophrenia, neuralgia, addiction disorders, inflammatory diseases, gastrointestinal disorders, vascular disorders, and neuropathological disorders.Type: GrantFiled: March 20, 1995Date of Patent: September 10, 1996Inventors: David C. Horwell, Martyn C. Pritchard, Jennifer Raphy
-
Patent number: 5521316Abstract: Provided is a process for preparing chloroalkyl pyridinium hydrochloride compounds and various regioisomers and analogs thereof having substantially high purity levels and yields and a free-flowing, non-dusting form.Type: GrantFiled: May 20, 1994Date of Patent: May 28, 1996Assignee: Cytec Technology Corp.Inventor: William E. Bay
-
Patent number: 5512584Abstract: Compounds of the formula ##STR1## where A-B-D, R.sup.1, R.sup.2 and R.sup.3 have the meanings stated in the description, and their preparation are described. The compounds are suitable for controlling diseases.Type: GrantFiled: November 1, 1994Date of Patent: April 30, 1996Assignee: BASF AktiengesellschaftInventors: Gerd Steiner, Liliane Unger, Hans P. Hofmann, Hans-Juergen Teschendorf, Berthold Behl, Rudolf Binder
-
Patent number: 5510490Abstract: A novel 6-chloro-3-vinyl-pyridine of formula ##STR1## where X represents -H, -SO.sub.2 Ph, -CO.sub.2 Et, -COCH.sub.3 and -CHO; which is used for the synthesis of Epibatidine of formula ##STR2## by reacting said 6-chloro-3-vinyl pyridine with N-1-alkyl-2,5-di(trialkyl silyl) pyrrolidine of formula ##STR3## to obtain N-alkyl Epibatidine which is hydrogenated to obtain the Epibatidine.Type: GrantFiled: June 15, 1995Date of Patent: April 23, 1996Assignee: Council of Scientific & Industrial ResearchInventors: Ganesh Pandey, Trusar D. Bagul, Gingipalli Lakshmaiah
-
Patent number: 5506227Abstract: Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.Type: GrantFiled: April 13, 1992Date of Patent: April 9, 1996Assignee: Merck Frosst Canada, Inc.Inventors: Robert Zamboni, Daniel Guay, Jacques-Yves Gauthier
-
Patent number: 5500429Abstract: This invention relates to 1-aryl-3-pyridinyl-2-propene-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.Type: GrantFiled: November 17, 1993Date of Patent: March 19, 1996Assignee: Merrell Pharmaceuticals Inc.Inventors: Robert J. Dinerstein, Michael L. Edwards, David M. Stemerick, Keith A. Diekema
-
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
-
Patent number: 5475119Abstract: Ionic monomeric diallylammonium compounds having a targeted combination of diallylammonium cations with selected anions have particularly high and constant charge control properties and very good heat stabilities and dispersibilities.The compounds according to the invention are outstandingly suitable for use as colorless charge control agents in toners and developers for electrophotographic recording processes and for use as charge-improving agents in powders and paints for surface coating, in particular in triboelectrically or electrokinetically sprayed powder paints.Type: GrantFiled: December 17, 1992Date of Patent: December 12, 1995Assignee: Hoechst AktiengesellschaftInventors: Rudiger Baur, Hans-Tobias Macholdt
-
Patent number: 5446134Abstract: Bis(perfluorosulphonyl)methanes, process for preparing same and uses thereof. The compounds of the invention are based on the formula (1/nM)+[(R.sub.F SO.sub.2).sub.2 CY].sup.- in which Y denotes an electron-attracting group chosen from --C.dbd.N and RZ groupings in which Z denotes a carbonyl grouping, sulphonyl grouping or a phosphonyl grouping and R denotes an organic monovalent grouping, M denotes a metal having valency n or an organic group capable of existing in the cationic form, R.sub.F denotes a perfluoroalkyl or perfluoroaryl grouping. Said compounds are especially useful in the production of electrochemical devices.Type: GrantFiled: July 8, 1993Date of Patent: August 29, 1995Assignees: Centre National de la Recherche Scientifique, Hydro QuebecInventors: Michel Armand, Djamila Benrabah, Jean-Yves Sanchez
-
Leukotriene-B.sub.4 derivatives, process for their production and their use as pharmaceutical agents
Patent number: 5440044Abstract: The present invention relates to a leukotriene-B.sub.4 analog according to formula I ##STR1## in which R.sup.1 is a COOR.sup.2 group, wherein R.sup.2 is a C.sub.2-4 -alkyl group;B is a C.sub.1-3 -alkylene group, a radical ##STR2## wherein R.sup.3 is a hydrogen atom or a carboxy or methoxycarbonyl group; ##STR3## . . . is a single or double bond; or optionally, their salts with physiologically compatible bases. The present invention also relates to the production of the latter leukotriene-B.sub.4 analogs and their use as pharmacological agents.Type: GrantFiled: December 3, 1993Date of Patent: August 8, 1995Assignee: Schering AktiengesellschaftInventors: Josef Heindl, Werner Skuballa, Bernd Buchmann, Wolfgang Frohlich, Roland Ekerdt, Claudia Giesen -
Patent number: 5424438Abstract: Polishes for metal surfaces, based on dispersions of waxes, fluorinated polymers and perfluoropolyoxyalkylene oils acquire high gloss characteristics combined with improved water-repellency and resistance to soiling of 0.1-5% by weight of at least a cationic emulsifier comprised in the general formula(I) R-L-Q.sup.+ X.sup.-where:R=a chain of perfluoropolyoxyalkylene units;L=a divalent organic group;Q=a polar group;X=a halogen, or a group of formulaCH.sub.3 -Phenylene-SO.sub.3.sup.-R"SO.sub.3.sup.-R"=F-(CF.sub.2).sub.m -;t=1 or 2;m=1-4.The polished containing the emulsifiers of formula (I) as well as the compounds comprised in said formula are claimed as new products.Type: GrantFiled: January 6, 1994Date of Patent: June 13, 1995Assignee: Ausimont S.p.A.Inventors: Alba Chittofrati, Viviana Boselli, Giovanni Gavazzi, Ezio Strepparola, Renato Spiti, Silvia Tresoldi
-
Patent number: 5422353Abstract: The invention relates to new tetrahydropyridine derivatives, processes for preparing them and their use as pharmaceutical compositions with cholinomimetic properties.Type: GrantFiled: October 29, 1993Date of Patent: June 6, 1995Assignee: Boehringer Ingelheim KGInventors: Gerhard Walther, Karl-Heinz Weber, Werner Stransky, Franz J. Kuhn, Erich Lehr, Enzio Muller, Gunter Schingnitz, Helmut Ensinger
-
Patent number: 5409910Abstract: New substituted pyridines are prepared by reducing suitably substituted pyridine derivatives. The new substituted pyridines are suitable as active compounds in pharmaceuticals, in particular for the treatment of hyperlipoproteinaemia.Type: GrantFiled: December 17, 1993Date of Patent: April 25, 1995Assignee: Bayer AktiengesellschaftInventors: Rolf Angerbauer, Peter Fey, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Hans-Peter Krause, Jorg P. von Gehr, Delf Schmidt
-
Patent number: 5409942Abstract: This invention relates to 1-phenyl-3-aryl-2-propyne-1-ones, the use of these compounds as calcium uptake inhibitors in leukocytes and thrombocytes, and pharmaceutical compositions containing these compounds as active ingredients, and the process of their preparation.Type: GrantFiled: March 5, 1993Date of Patent: April 25, 1995Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Robert J. Dinerstein, Jeffrey S. Sabol, Keith A. Diekema
-
Patent number: 5380460Abstract: Chiral, nonracemic compounds of the general formula: ##STR1## wherein m and n are either both zero, both equal one or n is equal to one and m is equal to zero, X and Y and Z are halogens, R' is an alkyl, alkoxyl, alkenyl, thioalkyl, thioether, ether, or alkylsilyl group containing three to fifteen carbon atoms, and R is an alkyl group having one to fifteen carbon atoms and where Ar is:--A.sub.a --(E).sub.e --B.sub.b --(F).sub.f --D.sub.d --where A, B and D independently of one another are aromatic rings which are selected from the group consisting of a phenyl, a pyridine ring, a pyrimidine ring, a pyridizine ring, a pyrazine ring and a thiadiazole ring, wherein a, b and d are integers from 0-3 such that a+b+d=2-3, where E and F independently of one another are linking groups selected from the group consisting of a --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --O--, --CH.sub.2 --S--, --O--CH.sub.2 --, --S--CH.sub.Type: GrantFiled: September 20, 1991Date of Patent: January 10, 1995Assignee: Displaytech, Inc.Inventors: Michael D. Wand, William N. Thurmes, David M. Walba
-
Patent number: 5369085Abstract: Indane-1, 3-dione derivatives of the following general formula [I]: ##STR1## and herbicidal compositions containing them as an active ingredient are provided. The derivatives are highly valuable in exhibiting excellent herbicidal activity while causing markedly low damage on crops.Type: GrantFiled: March 9, 1993Date of Patent: November 29, 1994Assignee: Mitsubishi Kasei CorporationInventors: Akemi Hosokawa, Osamu Ikeda, Noriko Minami, Nobuo Kyomura
-
Patent number: 5366982Abstract: This invention relates to compounds having selective LTB.sub.4 antagonist properties, compositions comprising said compounds and methods for the treatment of disorders involving LTB.sub.4 agonist-mediated activity utilizing said compositions wherein the compounds are described by the general formula ##STR1## and pharmaceutically acceptable salts thereof.Type: GrantFiled: February 17, 1993Date of Patent: November 22, 1994Assignee: Rhone-Poulenc Rorer S.A.Inventors: Norbert Dereu, Wolfram Hendel, Richard Labaudiniere
-
Patent number: 5356563Abstract: Optically active compounds of the formula ##STR1## wherein m stands for the number 1 and R.sup.2 is an unsubstituted or halogen-substituted alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen and/or optionally one methylene group is replaced by an ester group --COO-- or --OOC--; or m stands for the number 0 or 1 and R.sup.2 denotes a group of the formula ##STR2## R.sup.1 and R.sup.3 each independently represent an alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen; Z.sup.1, Z.sup.2 and Z.sup.3 each independently are a single covalent bond, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --COO-- or --OOC--; n stands for the number 0 or 1; rings A.sup.1 and A.sup.2 each independently are unsubstituted or halogen, cyano and/or methyl-substituted 1,4-phenylene in which optionally 1 CH group or 2 CH groups is/are replaced by nitrogen; and C.sup.* denotes a chiral carbon atom; with the proviso that simultaneously R.sup.Type: GrantFiled: June 9, 1993Date of Patent: October 18, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Richard Buchecker, Stephen Kelly, Frans Leenhouts
-
Patent number: 5356915Abstract: The present invention relates to new tetralones having formula I: ##STR1## wherein R.sup.1 to R.sup.7 are as defined in claim 1. The invention also relates to processes for their preparation, to pharmaceutical compositions containing them and to their use in the manufacture of medicaments. These compounds are antihypertensive and bronchodilator agents.Type: GrantFiled: April 20, 1993Date of Patent: October 18, 1994Assignee: J. Uriach & Cia. S.A.Inventors: Carmen Almansa, Concepcion Gonzalez, Ma. Carmen Torres, Elena Carceller, Javier Bartroli
-
Patent number: 5352822Abstract: The present invention discloses pesticidally active compounds of formula (II) ##STR1## or a salt thereof, wherein Q is an monocyclic aromatic ring, or fused bicyclic ring system of which at least one ring is aromatic containing 9 or 10 atoms of which one may be nitrogen and the rest carbon each ring system being optionally substituted, or Q is a dihalovinyl group or a group R.sup.6 --C.tbd.C-- where R.sup.6 is C.sub.1-4 alkyl, tri C.sub.1-4 alkylsilyl, halogen or hydrogen; R.sup.2, R.sup.3 , R.sup.4 and R.sup.5 are the same or different with at least one being hydrogen and the others being independently selected from hydrogen, halo, C.sub.1-4 alkyl or C.sub.1-4 haloalkyl; and R.sup.1 is selected from hydrogen and C.sub.1-8 hydrocarbyl optionally substituted by dioxalanyl, halo, cyano, trifluoromethyl, trifluoromethylthio or C.sub.1-6 alkoxy and X.sup.1 is hydrogen, fluoro or chloro.Type: GrantFiled: April 7, 1993Date of Patent: October 4, 1994Assignee: Roussel UclafInventors: Robert J. Blade, George S. Cockerill, John E. Robinson
-
Patent number: 5336772Abstract: N-fluoropyridinium salts of the following formula are prepared by reacting a pyridine compound with a Br nsted acid and fluorine, wherein the reaction solvent contains a greater than equimolar amount of the pyridine compound relative to an amount of the Br nsted acid. ##STR1## The method can produce N-fluoropyridinium salts with a high yield.Type: GrantFiled: December 26, 1991Date of Patent: August 9, 1994Assignee: Onoda Cement Co., Ltd.Inventors: Yukinori Saiki, Kazunori Nukui
-
Patent number: 5326902Abstract: Oxyalkyne compounds corresponding to the formula I ##STR1## in which the substituent Y in the meta- or para-position is R.sup.1 represents CH.sub.3 or NH.sub.2, R.sup.2 represents H or CH.sub.3, R.sup.3 represents H, C.sub.1-3 -alkyl or COCH.sub.3, and Ar represents an aromatic residue selected from the group ##STR2## with the proviso that the substituents R.sup.4, R.sup.5 and R.sup.6 are the same or different and each substituent represents H, F, Cl, Br, C.sub.1-6 -alkyl, CF.sub.3 or C.sub.1-6 -alkoxy, and R.sup.7 represents H, F, Cl, Br, C.sub.1-3 -alkyl or CF.sub.3,in the form of their racemates or mixtures of diastereoisomers or in optically active form, which are suitable active ingredients in pharmaceutical compositions.Type: GrantFiled: March 24, 1993Date of Patent: July 5, 1994Assignee: Gruenenthal GmbHInventors: Ulrich Seipp, Werner Vollenberg, Werner Englberger, Cornelia Geist, Michael Haurand
-
Use of 4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine derivatives as free radical scavengers
Patent number: 5292745Abstract: The invention concerns the use of a compound of formula (I) ##STR1## wherein R and R.sub.1, each independently, represent a hydrogen atom or a methyl group, and its pharmaceutically acceptable acid addition salts, as free radical scavengers. The pharmaceutical compositions containing these compounds may be employed in the treatment and/or prevention of pathological processes involving cell damage due to the formation of free radicals.The invention also concerns the compounds of formula (I) wherein at least one of R and R.sub.1 is methyl, which are new compounds, as well as the process for the preparation thereof and the pharmaceutical compositions containing them.Type: GrantFiled: February 4, 1992Date of Patent: March 8, 1994Assignee: Elf SanofiInventors: Michel Heaulme, Umberto Guzzi -
Patent number: 5288750Type: GrantFiled: January 31, 1991Date of Patent: February 22, 1994Assignee: Orion-yhtyma OyInventors: Pentti Pohto, Paivi A. Aho, Reijo J. Backstrom, Erkki J. Honkanen, Inge-Britt Y. Linden, Erkki A. O. Nissinen
-
Patent number: 5248780Abstract: The invention concerns novel, pharmaceutically useful 1,3-dioxane alkenoic acid derivatives of the formula I containing a pyridyl moiety at position 4 of the dioxane ring and in which the groups at positions 2, 4 and 5 have cis-relative stereochemistry, X is hydrogen, alkoxy or hydroxy, Y is vinylene, n is 1 or 2, A.sup.1 is alkylene, R.sup.1 is a variety of substituents defined hereinafter, and R.sup.2 is hydroxy, a physiologically acceptable alcohol residue or alkanesulphonamido, and the pharmaceutically acceptable salts thereof. The invention also includes processes for the manufacture and use of the acid derivatives as well as pharmaceutical compositions for therapeutic use in one or more of a variety of diseases such as ischaemic heart disease, cerebrovascular disease, asthmatic disease and/or inflammatory disease.Type: GrantFiled: September 25, 1992Date of Patent: September 28, 1993Assignee: Imperial Chemical Industries, PlcInventors: Andrew G. Brewster, George R. Brown, Alan W. Faull, Reginald Jessup, Michael J. Smithers
-
Patent number: 5246950Abstract: Thioformamide derivatives of the formula (I) ##STR1## wherein R represents an alkyl group; A represents either:(1) a phenyl group which is optionally substituted; or(2) heteroaromatic group (e.g. pyrid-3-yl, quinolin-3-yl);Y represents:an ethylene or methylene group or a direct bond; and B represents either:a) a phenyl, pyridyl, furyl or thienyl group, each of which may be optionally substituted, orb) a straight- or branched-chain alkyl, alkenyl, or cycloalkyl group, each of which may be optionally substituted.These compounds may be formulated into pharmaceutical preparations and have utility in the treatment of disorders associated with smooth muscle contraction.Type: GrantFiled: March 30, 1990Date of Patent: September 21, 1993Assignee: Rhone-Poulenc SanteInventors: Terance W. Hart, Bernard Y. J. Vacher, Brian W. Sharp
-
Patent number: 5244597Abstract: Optically active compounds of the formula ##STR1## wherein m stands for the number 1 and R.sup.2 is an unsubstituted or halogen-substituted alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen and/or optionally one methylene group is replaced by an ester group --COO-- or --OOC--; or m stands for the number 0 or 1 and R.sup.2 denotes a group of the formula ##STR2## R.sup.1 and R.sup.3 each independently represent an alkyl or alkenyl group in which optionally one methylene group is replaced by oxygen; Z.sup.1, Z.sup.2 and Z.sup.3 each independently are a single covalent bond, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --COO-- or --OOC--; n stands for the number 0 or 1; rings A.sup.1 an A.sup.2 each independently are unsubstituted or halogen, cyano and/or methyl-substituted 1,4-phenylene in which optionally 1 CH group or 2 CH groups is/are replaced by nitrogen; and C* denotes a chiral carbon atom; with the proviso that simultaneously R.sup.Type: GrantFiled: June 11, 1992Date of Patent: September 14, 1993Assignee: Hoffmann-La Roche Inc.Inventors: Richard Buchecker, Stephen Kelly, Frans Leenhouts
-
Patent number: 5225416Abstract: The present invention relates to novel 1,2,3,6-tetrahydropyridine derivatives of the general formula (I) ##STR1## wherein R stands for hydrogen or an alkyl group,X stands for an unsubstituted phenyl or benzyl group or for a phenyl or benzyl group substituted with a halogen atom,Y stands for hydrogen or halogen or a trifluoro-methyl groupas well as enantiomers acid addition salts thereof.The invention further extends to pharmaceutical compositions containing said compounds as active ingredient mainly for improving cerebral blood circulation and antihypoxic activity.Type: GrantFiled: December 10, 1991Date of Patent: July 6, 1993Assignee: Richter Gedeon Vegyeszeti Termekek Gyara Rt.Inventors: Tibor Gizur, Kalman Harsanyi, Attila Csehi, Aniko Demeter nee Szabo, Ferenc Trischler, Eva Vajda, Laszlo Szporny, Bela Kiss, Egon Karpati, Eva Palosi, Zsolt Szombathelyi, Adam Sarkadi, Aniko Gere, Mihaly Bodo, Katalin Csomor, Judit Laszy, Zsolt Szentirmai, Erzsebet Lapis, Sandor Szabo