Plural Ring Chalcogens In The Bicyclo Ring System Patents (Class 544/377)
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Patent number: 5378713Abstract: Substituted thienopyrans and processes for preparing the thienopyrans are disclosed. The thienopyrans are useful as antihypertensive agents; antianginals are peripheral antivasoconstrictive agents.Type: GrantFiled: November 4, 1991Date of Patent: January 3, 1995Assignee: Ortho Pharmaceutical CorporationInventors: Jeffery B. Press, Pauline Sanfilippo, James J. McNally, Robert Falotico
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Patent number: 5356891Abstract: The present invention relates to compounds having anti-ischaemic activity of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and Z are as defined herein. The present invention further relates to a method of preparing such compounds, as well as compositions having anti-ischaemic activity which comprise such compounds and a method of treating ischaemia.Type: GrantFiled: November 16, 1992Date of Patent: October 18, 1994Inventors: Donald T. Witiak, Ineke van Wijngaarden, Raghunathan V. Nair, Josephus H. M. Lange, Jacobus A. J. den Hartog
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Patent number: 5352678Abstract: Certain piperazinyl- and piperidinyl-substituted cyclohexanes have anti-ischemic properties.Type: GrantFiled: June 25, 1993Date of Patent: October 4, 1994Assignee: Bristol-Myers Squibb Co.Inventors: Ronald J. Mattson, John D. Catt
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Patent number: 5340812Abstract: Piperazine derivatives of formula ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula n is 1 or 2, R is hydrogen or lower alkyl, R.sup.1 is an aryl or nitrogen containing heteroaryl radical, R.sup.2 is hydrogen or lower alkyl, R.sup.3 is aryl, C.sub.4-8 alkyl or aryl(lower)alkyl, and X is a functionalised group of specified meaning. The compounds exhibit activity as 5-HT.sub.1A antagonists and can be used, inter alia, for the treatment of CNS disorders, such as anxiety.Type: GrantFiled: January 7, 1993Date of Patent: August 23, 1994Assignee: John Wyeth & Brother, LimitedInventor: Ian A. Cliffe
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Patent number: 5332743Abstract: Compounds of the general formula I: ##STR1## are disclosed as potent antipsychotic agents. Novel methods of use and intermediates used to make the compounds of formula I are also disclosed.Type: GrantFiled: June 12, 1992Date of Patent: July 26, 1994Assignee: McNeilab, Inc.Inventors: Ellen W. Baxter, Allen B. Reitz
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Patent number: 5326783Abstract: This invention is directed to compounds of formula (I) which are novel C3- or C5-acyl sulfonamide, carboxamic acid or tetrazolyl analogs of the Zaragozic acids. These compounds inhibit the enzyme squalene synthase and are useful as cholesterol lowering agents.Type: GrantFiled: January 19, 1993Date of Patent: July 5, 1994Assignee: Merck & Co., Inc.Inventors: Tesfaye Biftu, Chan-Hwa Kuo, Conrad Santini
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Patent number: 5281595Abstract: The invention relates to compounds having anti-ischaemic activity, memory enhancing activity and anti-convulsive activity of the formulae 1A and 1B ##STR1## wherein R.sub.1 +R.sub.2 together form an alkylene group having 1-3 C-atoms which may be substituted with one or more alkyl group(s) having 1-3 C-atoms and the remaining R and Z variables are defined as disclosed herein, or a pharmacologically acceptable salt thereof.Type: GrantFiled: March 17, 1992Date of Patent: January 25, 1994Assignee: Duphar International Research B.V.Inventors: Josephus H. M. Lange, Gerrit P. Toorop, Ineke v. Wijngaarden, Jacobus A. J. den Hartog
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Patent number: 5260453Abstract: Substituted thienopyrans and processes for preparing the thienopyrans are disclosed.Type: GrantFiled: November 5, 1990Date of Patent: November 9, 1993Assignee: Ortho Pharmaceutical CorporationInventors: Jeffrey B. Press, Pauline Sanfilippo, James J. McNally, Robert Falotico
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Patent number: 5246935Abstract: Piperazinyl derivatives of the general formula I ##STR1## wherein R.sup.1 represents substituted phenyl, 1- or 2-diazanaphthyl, azadiazanaphtyl or diazanaphtyl groups; n is 1, 2, 3 or 4; X is --O-- or ##STR2## wherein R.sup.2 is hydrogen, C.sub.1-6 -alkyl or C.sub.3-8 -cycloalkyl; Y is .dbd.O or .dbd.S or .dbd.NZ wherein Z is hydrogen, C.sub.1-6 -alkyl or --CN and R.sup.3 is selected from a group consisting of various structures have been found to exhibit high affinity for various receptor subtypes including the 5-HT.sub.2 receptor, the 5-HT.sub.1A receptor, the alpha.sub.1 receptor the dopamine receptor or a combination of these and may therefore be useful for treating CNS system, cardiovascular system and gastrointestinal disorders.Type: GrantFiled: August 13, 1991Date of Patent: September 21, 1993Assignee: Novo Nordisk A/SInventors: Lone Jeppesen, Marit Kristiansen, John B. Hansen
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Patent number: 5242925Abstract: Piperazinylbenzodioxane derivatives of formula I ##STR1## wherein B is an indol-3-yl or benzimidazol-1-yl radical which is unsubstituted or monosubstituted by CN, CO--R.sup.1, C.sub.n H.sub.2n --R.sup.1, Hal, OH, OA, O--C.sub.n H.sub.2n --CO--R.sup.1, or NHR.sup.2, and Q is C.sub.n H.sub.2n, or a physiologically acceptable salt thereof. The derivatives are active in the central nervous system, especially as serotonin agonists and antagonists.Type: GrantFiled: August 24, 1992Date of Patent: September 7, 1993Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Henning Boettcher, Christoph Seyfried, Hartmut Greiner, Gerd Bartoszyk
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Patent number: 5236935Abstract: The present invention relates to novel benzopyran derivatives of formula (I) which have superior selectivity in the treatment of hypertension by lowering blood pressure with a relaxation activity on vascular smooth muscle. The present invention also relates to processes for preparing such compounds; and to a pharmaceutical compositions containing such compounds as an active ingredient. ##STR1## wherein: R.sub.1 is --CN, --NO.sub.2, --OCX.sub.1 X.sub.2 X.sub.3, --NH.sub.2, --NHSO.sub.2 R.sup.A, ##STR2## --SO.sub.2 R.sup.C or --SO.sub.2 NR.sup.C R.sup.D wherein X.sub.1, X.sub.2 and X.sub.3 are, each independently, a fluorine, chlorine or hydrogen atom; R.sup.A and R.sup.B are, each independently, an amino, C.sub.1-6 alkoxy, C.sub.1-6 alkyl group or an optionally substituted phenyl group; and R.sup.C and R.sup.D are a hydrogen atom, or a C.sub.1-6 alkyl group or an optionally substituted phenyl group with a halogen atom, or a straight or branched C.sub.1-3 alkyl group;R.sub.2 is ##STR3## wherein R.sup.Type: GrantFiled: May 21, 1992Date of Patent: August 17, 1993Assignee: Korea Research Institute of Chemical TechnologyInventors: Sung-Eun Yoo, Kyu Y. Yi, Nak C. Jeong, Jee H. Suh, Seon-Ju Kim, Hwa-Sup Shin, Byung H. Lee, Kyu S. Jung
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Patent number: 5194437Abstract: The compounds are 1,4-disubstituted piperazines useful for the treatment of disorders of central nervous system and neuroendocrine disorders.A compound disclosed is (R,S)-4-(benzodioxan-5-yl)-1-[(benzocyclobutan-1-yl)methyl]piperazine.Type: GrantFiled: December 13, 1991Date of Patent: March 16, 1993Assignee: Adir et CompagnieInventors: Jean-Louis Peglion, Mark Millan, Jean-Michel Rivet
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Patent number: 5182284Abstract: Disclosed are a piperazine compound of the formula below or a pharmaceutically acceptable salt thereof, medical uses thereof, and processes for preparing the same: ##STR1## wherein each of R and R' is --OH, a lower alkoxy, a halo, H, a di(lower alkyl) hydrogenphosphate residue or a group --OR" (R" is an aralkyl group, etc.), etc., Y is --CH.dbd.CH-- or --(CH.sub.2).sub.m -- (m is 0, 1 or 2), and Y.sub.1 is a group of the formula ##STR2## (wherein A is --NH-- or --O--, A.sub.1 is a methylene or a carbonyl, n is 6-20, X is --OH, H or a lower alkoxycarbonyl, and X.sub.1 is an optionally halo-substituted phenyl or H) or a group of the formula ##STR3## (wherein X and n are as defined above), provided that when Y.sub.1 is the group of the formula (3), each of R and R' is an --OH group.Type: GrantFiled: September 25, 1991Date of Patent: January 26, 1993Assignee: Taiho Pharmaceutical Co., Ltd.Inventors: Masahiro Suzuki, Kenji Nozaki, Makoto Kajitani, Mitsugi Yasumoto, Naohiko Ono, Takashi Shindo
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Patent number: 5153198Abstract: A compound of the formula [II] or pharmaceutically acceptable salt thereof, ##STR1## wherein R.sup.1 is hydrogen or fluorine;R.sup.2 is hydrogen or fluorine;R.sup.3 is hydrogen, lower alkyl, lower alkoxy, halogen or lower alkylenedioxy;A is straight or branched lower alkylene having 1 to 6 carbon atoms; and n is 0 or 1,provided that at least one of R.sup.1 or R.sup.2 is fluorine. Such compound is useful for treatment of disorders of the cerebro-neural transmission system.Type: GrantFiled: October 23, 1991Date of Patent: October 6, 1992Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Takakazu Morita, Tadashi Iso, Hideyasu Yamauchi
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Patent number: 5120737Abstract: A hexitol derivative represented by formula (I) ##STR1## wherein R represents hydrogen, unsubstituted or lower alkyl-substituted cycloalkyl, lower alkenyl, lower alkoxy, lower alkanoyl, piperidyl or ##STR2## wherein each of m and n independently represents an integer of 0 to 3; each of X, Y and Z independently represents hydrogen, lower alkyl, lower alkoxy, lower alkanoyl, lower alkanoyloxy, hydroxyl, halogen or nitro or a pharmaceutically acceptable salt thereof.Type: GrantFiled: September 24, 1991Date of Patent: June 9, 1992Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Hiroaki Hayashi, Kazuhiro Kubo, Junichi Ikeda
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Patent number: 5120843Abstract: The aromatic amines (I), alkyl amines (II), bicyclic amines (III). ##STR1## cycloalkyl amines (IV), aromatic bicyclic amines (V), hydroquinone amines (VI), quinone amines (VII), amino-ethers (VIII) and bicyclic amino ethers (IX) are useful as pharmaceutical agents for treating a number of conditions including spinal trauma, mild and/or moderate to severe head injury, etc. Also disclosed is a method of treatment using the 3,4-dihydrobenzopyrans (XI).Type: GrantFiled: October 23, 1989Date of Patent: June 9, 1992Assignee: UpjohnInventors: John M. McCall, Donald E. Ayer, E. Jon Jacobsen, Frederick J. VanDoornik, John R. Palmer
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Patent number: 5084569Abstract: A stereoconvergent process is described for preparing optically active alpha-arylalkanoic acids using as starting substance a diastereoisomeric mixture of ketals of formula ##STR1## in which the substitutents have the meanings given in the description. The described process leads to the formation of a single enantiomer.Type: GrantFiled: March 15, 1990Date of Patent: January 28, 1992Assignee: Zambon SpAInventors: Marco Villa, Claudio Giordano, Graziano Castaldi, Silvia Cavicchioli
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Patent number: 5037825Abstract: The invention relates to compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, acyl, lower-alkyl or --CHO, --CH.sub.2 OR.sup.10, --COR.sup.7 or OR.sup.13 ; R.sup.2, R.sup.3 and R.sup.4 are, independently, hydrogen, lower-alkyl, lower-alkoxy or halogen; R.sup.5 and R.sup.6 are, independently, hydrogen or lower-alkyl; R.sup.7 is hydroxy, lower-alkoxy or NR.sup.8 R.sup.9 ; R.sup.8 and R.sup.9 are, independently, hydrogen or lower-alkyl; X and Y are, independently, >CR.sup.14 R.sup.15, --O--, --S--, >SO, >SO.sub.2 or >NR.sup.18 ; R.sup.10 and R.sup.18 are, independently, hydrogen, lower-alkyl or acyl; M is --C(R.sup.11).dbd.C(R.sup.12)--, --CONH-- or --NH--CO--; R.sup.11, R.sup.12, R.sup.14 and R.sup.15 are, independently, hydrogen or lower-alkyl, R.sup.Type: GrantFiled: July 10, 1989Date of Patent: August 6, 1991Assignee: Hoffmann-La Roche Inc.Inventors: Michael Klaus, Peter Mohr, Ekkehard Weiss
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Patent number: 4997836Abstract: Novel trisubstituted piperazine compounds of the formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.Type: GrantFiled: November 9, 1989Date of Patent: March 5, 1991Assignee: Takeda Chemical Industries, Ltd.Inventors: Hirosada Sugihara, Kohei Nishikawa
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Patent number: 4977166Abstract: New benzopyran derivatives of formula: ##STR1## in which R.sub.1 is hydrogen, halogen, hydroxy, alkoxy, nitro, amino, alkylsulphonamido, bis(alkylsulphonyl) amino or acylamino,X is nitrogen or a >CH-radicalR is a radical of formula: ##STR2## in which A denotes a single bond or methylene or, when X is nitrogen, A may denote carbonyl, and R.sub.2 and R.sub.3, which are identical or different, are hydrogen, halogen, hydroxy, alkyl, alkoxy, nitro, amino, alkylsulphonamido, bis(alkylsulphonyl)amino, acylamino, sulphamoyl or cyano, or, when they are adjacent, together form a methylenedioxy or ethylenedioxy radical, or elseR is pyridyl or 2(2H)-benzimidazolonyl if X denotes >CH--, andR' and R" are identical and are hydrogen or alkyl, their isomeric forms and mixtures thereof, and their acid addition salts, can be used as antiarrhythmic and antifibrillation agents.Type: GrantFiled: March 22, 1989Date of Patent: December 11, 1990Assignee: Rhone-Poulenc SanteInventors: Jean-Claude Hardy, Christian Renault
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Patent number: 4968677Abstract: 1-Aryl-2-naphthoylamines of formula I are described ##STR1## wherein R.sub.1 is halogen, nitro, cyano, C.sub.1 -C.sub.6 alkyl that is unsubstituted or mono- or poly-substituted by halogen and/or C.sub.1 -C.sub.3 alkoxy, or is C.sub.3 -C.sub.6 cycloalkyl, OR.sub.4, NR.sub.5 R.sub.6, CO2R.sub.5, CONR.sub.5 R.sub.6 or NHCOR.sub.7, or wherein two adjacent positions in the nucleus are bridged by a methylenedioxy or ethylenedioxy group that is unsubstituted or mono- or poly-substituted by fluorine, wherein further R.sub.4 is hydrogen or C.sub.1 -C.sub.6 alkyl that is unsubstituted or substituted by C.sub.1 -C.sub.3 alkoxy or mono- or poly-substituted by halogen, or is C.sub.3 -C.sub.4 alkenyl, 2-propynyl, 3-halo-2-propynyl, ##STR2## or COR.sub.7, each of R.sub.5 and R.sub.6, independently of the other, is H or C.sub.1 -C.sub.4 alkyl, R.sub.7 is C.sub.1 -C.sub.Type: GrantFiled: June 14, 1989Date of Patent: November 6, 1990Assignee: Ciba-Geigy CorporationInventor: Peter Riebli
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Patent number: 4948796Abstract: A piperazine derivative represented by the following formula or a salt thereof: ##STR1## which is useful for curing cerebro-vascular disease and post-cerebro-vascular disease.Type: GrantFiled: February 27, 1989Date of Patent: August 14, 1990Assignee: Toyama Chemical Co., Ltd.Inventors: Toru Hiraiwa, Kenji Takeda, Joji Nakano, Mineichi Sudani, Kunikazu Furuhata, Makoto Takata, Hiroyo Kawafuchi, Isao Watanabe
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Patent number: 4940793Abstract: New piperazino derivatives of formula ##STR1## in which R is a phenyl radical substituted with at least one sulphonamido group or a substituted nitrogenated heterocyclic ring, and A is CO, CH.sub.2, SO.sub.2, possessing inhibiting activity towards carbonic anhydrase.The new products are prepared from compounds of formula R-A-X in which X is OH, SH, halogen, OR"" or SR"" in which R"" is methyl, ethyl, phenyl, carbomethoxy, carboethoxy, and from a piperazino derivative of formula ##STR2## The R' group can also be introduced on termination of the reaction, by removing and substituting a protective group present at the nitrogen.Type: GrantFiled: July 18, 1985Date of Patent: July 10, 1990Assignee: Ravizza S.p.a.Inventors: Francesco Botre, Roberto Signorini
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Patent number: 4898876Abstract: A benzopylpiperazine ester of the following formula: ##STR1## wherein A represents a single bond or an alkylene group, vinylene group, --O--alkylene group or methine group, R.sub.1 represents a bicyclic carbon ring residue which may be substituted with a lower alkyl group, lower alkoxy group, oxo group or nitro group or a halogen atom, or may be partially saturated; a fluorene residue which may contain an oxo group; a fluorenylidene group; an anthracene residue; a phenanthrene residue which may be substituted with a lower alkyl group, or may be partially saturated; a benzofuran residue or thianaphthene residue which may be substituted with a lower alkyl group or lower alkoxy group; a benzopyran residue or benzoazine residue which may be substituted with an oxo group or phenyl group and partially saturated; a phthalimide residue; a benzodiazine residue; an isozazole residue which may be substituted with a lower alkyl group or phenyl group; or an alkylene dioxybenzene residue or xanthene residue; and R.sub.Type: GrantFiled: November 12, 1985Date of Patent: February 6, 1990Assignee: Kowa Co., Ltd.Inventors: Setsuro Fujii, Eizou Hattori, Mitsuteru Hirata, Koichiro Watanabe, Kazuhiro Onogi, Masahiko Nagakura
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Patent number: 4895847Abstract: Novel 2,3-dihydro-1H-indene derivatives and salts thereof represented by the general formula (1), ##STR1## [wherein R.sup.1 and R.sup.2 are each a hydrogen atom, a lower alkyl group, a phenyl group which may have halogen atoms and/or alkyl groups as the substituents on the phenyl ring; R.sup.3 is a halogen atom or a lower alkyl group; R.sup.4 is a hydrogen atom, a halogen atom, a phenyl-lower alkyl group, a cycloalkyl-lower alkyl group or the like; R.sup.5 is a hydroxyimino group, an alkylamino group or a group of the formula --NHR.sup.8 (wherein R.sup.8 is a hydrogen atom, a halogen-substituted lower alkanoyl group or the like); R.sup.6 is a hydrogen atom or a phenyl group; and R.sup.7 is a hydrogen atom or a lower alkyl group].Type: GrantFiled: September 21, 1988Date of Patent: January 23, 1990Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Yasuo Oshiro, Hiraki Ueda, Kazuyuki Nakagawa
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Patent number: 4891373Abstract: Novel aminopropanol derivatives of 1,4:3,6-dianhydro-hexitol nitrates of the general formula I ##STR1## in which X has the meaning given in the specification, processes for their preparation and their use in preventing and treating angina pectoris, systemic hypertension and pulmonary hypertension in mammals.Type: GrantFiled: November 23, 1988Date of Patent: January 2, 1990Assignee: Pfizer Inc.Inventors: Peter Stoss, Matyas Leitold, Rodney Yeates
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Patent number: 4886799Abstract: The invention relates to new acetamides derived from 2,3-dihydro-3-phenyl-2-benzofuranone, of general formula I ##STR1## in which: R.sub.1 denotes a hydrogen or halogen atom,R.sub.2 and R.sub.3, which may be identical or different, each denote a hydrogen atom or a linear or branched alkyl radical containing 1 to 4 carbon atoms, a benzyl radical optionally substituted with a halogen atom, with an alkoxy radical containing 1 to 4 carbon atoms or with an alkyl radical having 1 to 4 carbon atoms, or a 3,4-methylene-dioxybenzyl radical, or form, together with the nitrogen to which they are attached, a 4-morpholinyl radical or a 1-piperazinyl radical.Type: GrantFiled: September 14, 1988Date of Patent: December 12, 1989Assignee: Adir Et CieInventors: Gilbert Lavielle, Jean Lepagnol
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Patent number: 4885299Abstract: The invention relates to new 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds of general formula I: ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms or a phenyl radical optionally substituted with a halogen atom or with an alkoxy radical containing 1 to 4 carbon atoms or an alkyl radical having 1 to 4 carbon atoms,R.sub.2 denotes a hydrogen or halogen atom, a hydroxyl radical, an alkyl radical having 1 to 4 carbon atoms or an alkoxy radical containing 1 to 4 carbon atoms,R denotes a hydroxyl radical, a linear or branched alkoxy radical having 1 to 4 carbon atoms, a benzyloxy radical or a radical of general formula A: ##STR2## in which: X and Y, which may be identical or different, each denote a linear or branched alkyl radical containing 1 to 5 carbon atoms, a radical of general formula A.sub.Type: GrantFiled: January 17, 1989Date of Patent: December 5, 1989Assignee: ADIR Et CieInventors: Gilbert Lavielle, Jean Lepagnol
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Patent number: 4885385Abstract: Water-soluble triphendioxazine compounds having fiber-reactive dye properties conforming to the general formula ##STR1## where: B is --O-- or --S-- or --NH-- or (C.sub.1 -C.sub.6)-alkylamino;R* is hydrogen or optionally substituted alkyl or aryl;W and W.sup.1 are each a bivalent, aliphatic or optionally alkyl-substituted cycloaliphatic or aliphatic-cycloaliphatic radical, which aliphatic radicals can be interrupted by --O--, --S--, sulfonyl, carbonyl, 1,4-piperidino, amino, alkylamino and/or alkanoylamino groups, orthe grouping --B--W.sup.1 --N(R*) and/or --N(R*)--W--B-- each represent the bivalent radical of a five- or six-membered saturated heterocycle which contains two nitrogen atoms, orthe grouping --B--W.sup.1 -- and/or --W--B-- each represent the bivalent radical of a five- or six=-membered saturated heterocycle which contains two nitrogen atoms and which is bonded by one of the two nitrogen atoms via an alkylene group of 2 to 4 carbon atoms to the grouping --N(R*)--CO--G.sup.Type: GrantFiled: July 28, 1988Date of Patent: December 5, 1989Assignee: Hoechst AktiengesellschaftInventors: Hartmut Springer, Walter Helmling, Gunther Schwaiger
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Patent number: 4883796Abstract: Oxime ethers of 2,6-dioxabicyclo[3.3.0]octanones of the formula I ##STR1## have pharmacological activity and are especially applicable as drugs for the prophylaxis and therapy of cardiac and circulatory diseases.Type: GrantFiled: February 2, 1988Date of Patent: November 28, 1989Assignee: Heinrich Mack Nachf.Inventors: Matyas Leitold, Peter Stoss
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Patent number: 4876271Abstract: Novel substituted thieno[3,2-b]thiophene-2-sulfonamides are prepared by novel synthetic processes. These compounds are useful for the treatment of elevated intraocular pressure in compositions including ophthalmic drops and inserts.Type: GrantFiled: December 20, 1988Date of Patent: October 24, 1989Assignee: Merck & Co., Inc.Inventors: George D. Hartman, John D. Prugh
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Patent number: 4859700Abstract: The invention relates to new 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds of general formula I: ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms or a phenyl radical optionally substituted with a halogen atom or with an alkoxy radical containing 1 to 4 carbon atoms or an alkyl radical having 1 to 4 carbon atoms,R.sub.2 denotes a hydrogen or halogen atom, a hydroxyl radical, an alkyl radical having 1 to 4 carbon atoms or an alkoxy radical containing 1 to 4 carbon atoms,R denotes a hydroxyl radical, a linear or branched alkoxy radical having 1 to 4 carbon atoms, a benzyloxy radical or a radical of general formula A: ##STR2## in which: X and Y, which may be identical or different, each denote a linear or branched alkyl radical containing 1 to 5 carbon atoms, a radical of general formula A.sub.Type: GrantFiled: February 12, 1988Date of Patent: August 22, 1989Assignee: ADIR Et CieInventors: Gilbert Lavielle, Jean Lepagnol
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Patent number: 4833142Abstract: Blood-pressure lowering compounds having a structure as shown in the accompanying formula sheets.Type: GrantFiled: November 9, 1987Date of Patent: May 23, 1989Assignee: Duphar International Research B.V.Inventors: Jan Hartog, Wouter Wouters, Lneke van Wijngaarden
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Patent number: 4826844Abstract: Compounds of the formula: ##STR1## in which m is one of the integers 1, 2 or 3; n is one of the integers 0, 1 or 2; o is one of the integers 0, 1 or 2; R.sub.1 and R.sub.2 are, independently, hydrogen, hydroxyl, alkyl, alkoxy, alkanoyloxy, trifluoromethyl, halo, or, when taken together, 3,4-methylenedioxy; R.sub.3 is alkyl, ##STR2## where R.sub.4 and R.sub.5 are, independently, hydrogen, hydroxyl, alkyl, alkoxy, alkanoyloxy, halo or trifluoromethyl; and R.sub.6 is hydrogen or halo; or a pharmaceutically acceptable salt thereof.Type: GrantFiled: September 30, 1987Date of Patent: May 2, 1989Assignee: American Home Products CorporationInventors: G. E. M. Husbands, Gary P. Stack
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Patent number: 4824968Abstract: Aromatic sulfonamides with a saturated heterocycle fused thereto are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.Type: GrantFiled: June 26, 1987Date of Patent: April 25, 1989Assignee: Merck & Co., Inc.Inventors: Gerald S. Ponticello, J. Mark Wiggins
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Patent number: 4816457Abstract: Heterocyclic aminoethanols of the formula:Het--CHOH--CH.sub.2 --NH-aralkylwhere Het is a 6-10 membered N-heterocycle are disclosed. The compounds are useful as pharmaceuticals.Type: GrantFiled: June 30, 1987Date of Patent: March 28, 1989Inventors: John J. Baldwin, Joseph Atkinson, David E. McClure
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Patent number: 4812469Abstract: The invention relates to new acetamides derived from 2,3-dihydro-3-phenyl-2-benzofuranone, of general formula I ##STR1## in which: R.sub.1 denotes a hydrogen or halogen atom,R.sub.2 and R.sub.3, which may be identical or different, each denote a hydrogen atom or a linear or branched alkyl radical containing 1 to 4 carbon atoms, a benzyl radical optionally substituted with a halogen atom, with an alkoxy radical containing 1 to 4 carbon atoms or with an alkyl radical having 1 to 4 carbon atoms, or a 3,4-methylenedioxybenzyl radical, or form, together with the nitrogen to which they are attached, a 4-morpholinyl radical or a 1-piperazinyl radical.Type: GrantFiled: February 12, 1988Date of Patent: March 14, 1989Assignee: Adir Et CieInventors: Gilbert Lavielle, Jean Lepagnol
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Patent number: 4797413Abstract: Aromatic sulfonamides with a saturated heterocycle fused thereto are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.Type: GrantFiled: June 26, 1987Date of Patent: January 10, 1989Assignee: Merck & Co., Inc.Inventors: John J. Baldwin, Gerald S. Ponticello, Marcia E. Christy
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Patent number: 4788184Abstract: Compounds of the formula ##STR1## wherein R.sup.12 is a leaving group, Z is S, O or CH.sub.2 and A is a phenyl, furyl, thienyl or pyridyl ring substituted by a ##STR2## moiety, in which R.sup.8 and R.sup.9 are various substituents or, when taken together with the nitrogen, may be a specified heterocyclic ring, are intermediates in the preparation of histamine H.sub.2 -antagonist anti-ulcer agents of the formula ##STR3## in which R.sup.1 and R.sup.2 are any of several specified substituents.Type: GrantFiled: November 13, 1987Date of Patent: November 29, 1988Assignee: Bristol-Myers CompanyInventors: Aldo A. Algieri, Ronnie R. Crenshaw
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Patent number: 4788290Abstract: The compounds ##STR1## in which X and Y are, independently, --O-- or --S--;R.sup.1 and R.sup.2 are, independently, halo, trifluoromethyl, cyano, hydroxy, amino, alkylamino, dialkylamino, alkoxy, alkyl or alkanoylamino; andn is 1 to 4;or a pharmaceutically acceptable salt thereof, are selective serotonergic agents useful in the treatment of depression and/or anxiety, as well as related sexual dysfunctions and appetite disorders.Type: GrantFiled: December 11, 1987Date of Patent: November 29, 1988Assignee: American Home Products CorporationInventor: Gary P. Stack
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Patent number: 4782061Abstract: The invention relates to a group of new bicyclic heteroarylpiperazine derivatives of formula 1. It was found that these compounds have interesting psychotropic in particular anti-psychotic properties.The compounds can be prepared according to methods known for the synthesis of analogous compounds.Type: GrantFiled: December 18, 1985Date of Patent: November 1, 1988Assignee: Duphar International Research B.V.Inventors: Cornelis G. Kruse, Johannes A. M. van der Heyden, Ineke van Wijngaarden, Jan Hartog, Berend Olivier
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Patent number: 4772604Abstract: The invention relates to new aryl-substituted (N-piperidinyl)methyl- and (N-piperazinyl)methylazoles having interesting pharmacological, notably antipsychotic, properties.The compounds may be prepared in a manner known for the synthesis of analogous compounds and be processed to compositions according to known methods.Type: GrantFiled: February 24, 1987Date of Patent: September 20, 1988Assignee: Duphar International Research B.V.Inventors: Ineke van Wijngaarden, Cornelis G. Kruse, Johannes A. M. van der Heyden, Martinus T. M. Tulp
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Patent number: 4767757Abstract: Novel fungicidally active acyloxythiophene-carboxamides of the formula ##STR1##Type: GrantFiled: March 19, 1987Date of Patent: August 30, 1988Assignee: Bayer AktiengesellschaftInventors: Werner Daum, Gerd Hanssler
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Patent number: 4743595Abstract: A process for efficiently preparing 2-amino-5-nitrophenol derivatives in which benzoxazole derivatives are subjected to nucleophilic substitution reaction at the 5 position thereof to obtain corresponding benzoxazole derivatives, and the oxazole ring of the benzoxazole derivatives is then subjected to ring-opening to obtain 2-amino-5-nitrophenol derivatives. The 2-amino-5-nitrophenol derivatives are useful as industrial starting materials, reducing agents or antioxidants and intermediates for cyan-image-forming couplers.Type: GrantFiled: June 12, 1985Date of Patent: May 10, 1988Assignee: Fuji Photo Film Co., Ltd.Inventors: Isamu Itoh, Mitsunori Ono, Hidetoshi Kobayashi, Kazuyoshi Yamakawa
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Patent number: 4737501Abstract: An oxindol compound of the formula (I) ##STR1## wherein A represents a lower alkylene group;R represents a hydrogen atom, a lower alkyl group, a phenyl-lower alkyl group, a phenoxy-lower alkyl group, a benzoyl-lower alkyl group, a lower alkoxycarbonyl group, a lower alkanoyl group, a benzoyl group which may be substituted with 1 to 3 of a lower alkyl group, a lower alkoxy group and a halogen atom on the benzene ring thereof, or a benzoyl group which is substituted with a lower alkylenedioxy group on the benzene ring thereof; andm and n, which may be the same or different, each represents an integer of 0 or 1, with proviso that when n is an integer of 1, then m is an integer of 1,when A is an ethylene group and m is an integer of 1, then R should not be 3,4,5-trimethoxybenzoyl group, and when A is a group of the formula: --C(R.sup.1)(R.sup.2)--(where R.sup.1 and R.sup.Type: GrantFiled: July 5, 1985Date of Patent: April 12, 1988Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Michiaki Tominago, Hidenori Ogawa, Takafumi Fujioka, Kazuyuki Nakagawa
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Patent number: 4736031Abstract: Novel condensed seven-membered heterocyclic compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, halogen, hydroxy, lower alkyl or lower alkoxy,R.sub.3 and R.sub.4 are independently hydrogen, optionally substituted lower alkyl, optionally substituted cycloalkyl or optionally substituted aralkyl, or both jointly form an optionally substituted ring together with the adjacent nitrogen atom,X is hydrogen, optionally substituted lower alkyl, optionally substituted aryl or a carboxyl group which may be esterified or amidated,Y is >C.dbd.O or >CH--OR.sub.5 in which R.sub.5 is hydrogen, acyl or optionally substituted carbamoyl,A is oxygen atom or sulfur atom, E is oxygen atom or methylene, andG is lower alkylene, provided that when A is sulfur atom, E is methylene,and salts thereof exhibit serotonin S.sub.Type: GrantFiled: April 15, 1986Date of Patent: April 5, 1988Assignee: Takeda Chemical Industries, Ltd.Inventors: Hirosada Sugihara, Minoru Hirata
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Patent number: 4686222Abstract: Heterocyclic aminoethanols of the formulaHet--CHOH--CH.sub.2 --NH--aralkylwhere het is a 6-10 membered N heterocycle are disclosed. The compounds are useful as pharmaceuticals.Type: GrantFiled: October 3, 1985Date of Patent: August 11, 1987Assignees: Merck & Co., Inc., Merck Sharp & Dohme (I.A.) Corp.Inventors: Joseph G. Atkinson, John J. Baldwin, David E. McClure
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Patent number: 4684651Abstract: Alkylenedioxybenzene derivatives are prepared and found to be useful as pharmaceutical agents, particularly as hypotensives.Type: GrantFiled: February 26, 1982Date of Patent: August 4, 1987Assignee: Mitsubishi Chemical Industries LimitedInventors: Ryoji Kikumoto, Harukazu Fukami, Kenichiro Nakao, Mamoru Sugano
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Patent number: 4668681Abstract: This invention relates to 2-(4-phenylpiperazinylethyl)anilines, to methods for preparing them and to their uses in medical therapy.These compounds have the following general formula ##STR1## wherein R.sub.1 represents one or more substituents selected from the group consisting of H, CH.sub.3, CF.sub.3, F, Cl, and OCH.sub.3 ; R.sub.2 and R.sub.3, which may be the same or different, and are selected from the group consisting of H and (C.sub.1 -C.sub.4) alkoxy, or R.sub.2 and R.sub.3 taken together can form a chain selected from the group consisting of --O-- (CH.sub.2).sub.n --O--, wherein n=1 or 2 and --O--CH.sub.2 --O--CH.sub.2 with the proviso that R.sub.1 is not meta CF.sub.3 when R.sub.2 =R.sub.3 =H, and pharmaceutically non-toxic salts thereof. The compounds of this invention are useful in the treatment of allergic and anaphylatic conditions and motion sickness.Type: GrantFiled: March 21, 1986Date of Patent: May 26, 1987Assignee: Societe Cortial, S.A.Inventors: Henri Pontagnier, Marie-H/e/ l/e/ ne Creuzet, Claude Feniou, Francoise Guichard, Gis/e/ le Prat
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Patent number: 4666911Abstract: An analgesic compositon containing as active ingredient an allophanoylpiperazine compound represented by the general formula ##STR1## wherein R.sup.1 represents a lower alkyl group or phenyl group; R.sup.2 and R.sup.3 each represents a hydrogen atom or a lower alkyl group; and R.sup.4 represents a phenyl group or a substituted phenyl group having as substituent a halogen atom or methyl, trifluoromethyl, hydroxyl, methoxy, methylenedioxy, nitro, or carboxyl group; pyridyl group, pyrimidyl group, thiazolyl group, benzyl group, cinnamyl group, cyclohexyl group, a lower alkyl group, a substituted lower alkyl group having chlorine atom or hydroxyl group as substituent; or a lower alkenyl group.Type: GrantFiled: July 8, 1981Date of Patent: May 19, 1987Assignee: Taiho Pharmaceutical Company LimitedInventors: Hajime Fujimura, Yasuzo Hiramatu, Takahiro Yabuuchi, Masakatu Hisaki, Katsuo Takikawa, Takaji Honna, Hidekazu Miyake, Makoto Kajitani