Patents Examined by Philip I. Datlow
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Patent number: 5693635Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.Type: GrantFiled: June 13, 1996Date of Patent: December 2, 1997Assignee: American Cyanamid CompanyInventors: Jay Donald Albright, Marvin Fred Reich
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Patent number: 5686445Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.Type: GrantFiled: April 25, 1996Date of Patent: November 11, 1997Assignee: American Cyanamid CompanyInventors: Jay Donald Albright, Xuemei Du
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Patent number: 5686614Abstract: Disclosed are processes for resolving a racemic mixture of 5-aminocarbonyl-5H-dibenzo?a,d!cyclohepten-5,10-imines into component enantiomers comprising recrystallizaton of diasteriomeric tartrate salts.Type: GrantFiled: April 11, 1995Date of Patent: November 11, 1997Assignee: Neurogen CorporationInventors: Tappey H. Jones, Kenner C. Rice
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Patent number: 5684016Abstract: The invention relates to a method of treating cardiac insufficiency by using compounds of the formula I ##STR1## in which n is 1 or 2, R, R.sup.1, R.sup.2 and R.sup.3 are identical or different and each denote hydrogen or an organic radical and R.sup.4 and R.sup.5, together with the atoms carrying them, form a mono-, bi- or tri-cyclic heterocyclic ring system. The invention furthermore relates to compounds of the formula I and agents containing these for use in the treatment of the abovementioned disease.Type: GrantFiled: May 22, 1995Date of Patent: November 4, 1997Assignee: Hoechst AktiengesellschaftInventors: Rainer Henning, Hansjorg Urbach, Volker Teetz, Rolf Geiger, Bernward Scholkens
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Patent number: 5684003Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof are selective agonists for 5-HT.sub.4 receptors. ##STR1## wherein Ak is a C.sub.3 -C.sub.6 alkyl group, and R is a C.sub.2 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 alkenyl group, a C.sub.3 -C.sub.6 alkynyl group, a C.sub.3 -C.sub.7 cycloalkyl group or a C.sub.3 -C.sub.6 cycloalkylmethyl group.Type: GrantFiled: October 12, 1995Date of Patent: November 4, 1997Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Haruhiko Kikuchi, Hiroaki Satoh, Masashi Suzuki, Ruta Fukutomi, Masahiro Ueno, Koichiro Hagihara, Takeo Arai, Setsuko Mino, Yumiko Noguchi
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Patent number: 5679673Abstract: Certain aralkyl diazabicycloalkyl compounds are described for treatment of CNS disorders such as cerebral ischemia, psychoses and convulsions. Compounds of particular interest are of the formula: ##STR1## wherein each of R, R.sup.1, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 is independently selected from hydrido, lower-alkyl, benzyl, and haloloweralkyl; wherein each of R.sup.2, R.sup.3 and R.sup.10 through R.sup.13 is independently selected from hydrido, hydroxy, loweralkyl, benzyl, phenoxy, benzyloxy and haloloweralkyl; wherein each of R.sup.8 and R.sup.Type: GrantFiled: November 21, 1994Date of Patent: October 21, 1997Assignee: The United States of America, represented by the Department of Health and Human ServicesInventors: Wayne Bowen, Brian R. de Costa, Celia Dominguez, Xiao-Shu He, Kenner C. Rice
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Patent number: 5679688Abstract: The present invention discloses the compounds of general formula (1) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 are optionally substituted carbonyl and amide derivatives which are useful as inhibitors of retroviral proteases, and are effective in treating conditions characterized by unwanted activity of these enzymes, such as acquired immune deficiency syndrome.Type: GrantFiled: November 4, 1994Date of Patent: October 21, 1997Assignee: Narhex LimitedInventor: Damian Wojciech Grobelny
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Patent number: 5679675Abstract: The present invention relates to new 8-amino-10-(azabicycloalkyl)-pyrido?1,2,3-d,e!?1,3,4!benzoxadiazine derivatives of the general formula (I) ##STR1## in which the radicals R.sup.1 to R.sup.4, Z and X.sup.1 have the meaning given in the description, processes for their preparation and their use in antibacterial compositions.Type: GrantFiled: May 4, 1995Date of Patent: October 21, 1997Assignee: Bayer AktiengesellschaftInventors: Thomas Jaetsch, Burkhard Mielke, Uwe Petersen, Thomas Schenke, Klaus-Dieter Bremm, Rainer Endermann, Karl-Georg Metzger, Martin Scheer, Michael Stegemann, Heinz-Georg Wetzstein
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Patent number: 5674877Abstract: Described herein are D4 receptor-selective compounds of the general formula I: ##STR1## wherein: A and B are independently selected, optionally substituted, saturated or unsaturated 5- or 6-membered, homo- or heterocyclic rings;X.sub.1 is selected from CH.sub.2, O, NH, S, C.dbd.O, CH--OH, CH--NEt.sub.2, C.dbd.CHCl, C.dbd.CHCN, N--C.sub.1-4 alkyl, N-acetyl, So.sub.2 and SO;X.sub.2 - - - is selected from N.dbd., CH.sub.2 --, CH.dbd., C(O)--, O--, and S--;n is 1 or 2; andZ is selected from C.sub.1-6 alkyl optionally substituted with a substituent selected from OH, halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;and acid addition salts, solvates and hydrates thereof. Their use as ligands for dopamine receptor identification and in a drug screening program, and as pharmaceuticals to treat indications in which the M1/M2 receptor is implicated, such as schizophrenia, is also described.Type: GrantFiled: April 24, 1996Date of Patent: October 7, 1997Assignee: Allelix Biopharmaceuticals Inc.Inventors: Ashok Tehim, Sumanas Rakhit
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Patent number: 5663203Abstract: The invention relates to a dermal application form of prostacyclin derivatives of Formula I ##STR1## wherein R.sub.1 means hydrogen or alkyl of 1-10 carbon atoms,A is a --CH.sub.2 --CH.sub.2 --, trans-CH.dbd.CH-- or --C.ident.C-group,W represents a hydroxymethyl group which is free or functionally modified at the hydroxy group, the OH-group being in the .alpha.- or .beta.-position,X is a CH.sub.2 -group or an oxygen atom,Z is hydrogen or a cyano group,D means a straight-chain or branched, saturated alkylene group of 1-5 carbon atoms,E is a --C.ident.C-linkage or a direct bond,R.sub.2 is a straight- or branched-chain, saturated alkyl group of 1-7 carbon atoms,R.sub.3 is a free or functionally modified hydroxy group,and, if R.sub.1 means a hydrogen atom, containing the salts thereof with physiologically compatible bases, for the treatment of ulcerations caused by arterial occlusive diseases, and other skin disorders.Type: GrantFiled: November 30, 1994Date of Patent: September 2, 1997Assignee: Schering AktiengesellschaftInventors: Roland Ekerdt, Georg Raptis, Alfred Pauls
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Patent number: 5663165Abstract: The present invention is directed to the following compounds of formula (I): ##STR1## wherein l is an integer of from 0 to 4; m is an integer of from 0 to 5; n is an integer of from 0 to 2; R and R' are atoms or groups independently selected from halogen, nitro, phenylalkoxy, C.sub.1-4 alkoxy, C.sub.1-6 alkyl and --O(CH.sub.2).sub.p SO.sub.3 R" wherein p is an integer of from 1 to 4 and R" is hydrogen or C.sub.1-6 alkyl, wherein said phenylalkoxy, alkoxy and alkyl groups are optionally substituted by one or more halogen atoms; R.sup.4 is a C.sub.1-6 straight alkyl group; and R.sup.5 is a C.sub.2-6 straight alkyl group; and their salts, solvates and physiologically functional derivatives, with processes and novel intermediates for their preparation, with pharmaceutical compositions containing them and with their use in medicine, particularly in the prophylaxis and treatment of hyperlipidaemic conditions, such as atherosclerosis.Type: GrantFiled: December 5, 1994Date of Patent: September 2, 1997Assignee: Glaxo Wellcome Inc.Inventor: Lawrence Edward Brieaddy
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Patent number: 5658923Abstract: An azepine compound of the formula ##STR1## wherein R is (a) ##STR2## in which R.sup.1 is hydrogen, lower alkyl, lower alkoxy, hydroxy, halogen, or optionally substituted phenyl, and n is 0 or 1, (b) cycloalkyl of C.sub.5-8 which is optionally substituted by lower alkyl, (c) norbornyl, (d) bicyclo[3.3.1]nonyl, (e) naphthyl, (f) 1,3-benzoxolyl, (g) pyridyl, or (h) thienyl, m is an integer of 0-4, and C* is an asymmetric carbon, and nontoxic salts thereof, processes for producing the same, and therapeutic agents containing the same as the active ingredient for treating diseases related to .sigma.-receptor. The compound (1) and nontoxic salts thereof have a high affinity for .sigma.-receptor but scarcely any affinity for other receptors, thus being utilized for treating diseases related to .sigma.-receptor, such as schizophrenia.Type: GrantFiled: March 30, 1995Date of Patent: August 19, 1997Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Nobuyuki Takahashi, Daisuke Mochizuki
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Patent number: 5654308Abstract: The cyclic amide derivative is defined by the formula (I) or a salt thereof: R.sup.1 --(CH.sub.2)n-Z in which R.sup.1 is a group derived from a cyclic amide compound, substituted or unsubstituted, n is zero or an integer of 1 to 10 and Z is ##STR1## R.sup.2 being an aryl, a substituted aryl, a cycloalkyl or a heterocyclic group, m being an integer of 1 to 6, R.sup.3 being hydrogen or a lower alkyl, R.sup.4 being an aryl or a substituted aryl, a cycloalkyl or a heterocyclic group, p being an integer of 1 to 6, provided that the cyclic amide compound is quinazoline-on or quinazoline-dion, R.sup.2 and R.sup.4 are neither aryl nor substituted aryl. The cyclic amide compound is pharmacologically effective to prevent and treat diseases due to insufficiency of the central choline functions.Type: GrantFiled: May 25, 1995Date of Patent: August 5, 1997Assignee: Eisai Co., Ltd.Inventors: Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato, Atsushi Sasaki, Yoshiharu Yamanishi, Hiroo Ogura, Takashi Kosasa, Kumi Uchikoshi, Kiyomi Yamatsu
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Patent number: 5654297Abstract: This invention relates to new bicyclic non-peptide vasopressin antagonists which are useful in treating conditions where decreased vasopressin levels are desired, such as in congestive heart failure, in disease conditions with excess renal water reabsorption and in conditions with increased vascular resistance and coronary vasoconstriction.Type: GrantFiled: June 2, 1995Date of Patent: August 5, 1997Assignee: American Cyanamid CompanyInventors: Jay D. Albright, Efren G. Delos Santos
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Patent number: 5652241Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents. the compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.Type: GrantFiled: June 6, 1995Date of Patent: July 29, 1997Assignee: Hoechst Marion Roussel, Inc.Inventors: Edward J. Glamkowski, Yulin Chiang
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Patent number: 5650507Abstract: An asymmetric dioxazine compound of the following formula: ##STR1## wherein R is sulfo, halogeno, alkoxy, alkyl or carboxy; R.sub.1 and R.sub.2 are each hydrogen or alkyl; R.sub.3 is hydrogen, alkyl or acyl; X.sub.1 and X.sub.2 are each hydrogen, halogeno, alkyl, alkoxy or phenoxy; Y is aliphatic amino having a vinylsulfonyl or .beta.-substituted ethylsulfonyl fiber-reactive group; and Q is unsubstitued, substituted or cyclic amino; is useful for dyeing or printing fiber materials blue with excellence in build-up properties and various fastness properties.Type: GrantFiled: December 27, 1995Date of Patent: July 22, 1997Assignee: Sumitomo Chemical Company, LimitedInventors: Kingo Akahori, Junya Hada, Takashi Omura, Shigeru Kawabata, Naoki Harada
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Patent number: 5646272Abstract: Bile acid derivatives of the formula IW--X--Gin which G is a bile acid radical, W is an active compound moiety of a medicament and X is a bonding member between a bile acid radical and active compound moiety, are outstandingly suitable for introducing active compounds into the entercepatic circulation. The compounds I are absorbed and pass into the bloodstream. It is possible in this way, using the natural reabsorption of the bile acids, to achieve improved absorption of non-absorbable or poorly absorbable pharmaceuticals.W may be, for example, a peptide, an antibiotic, an antiviral substance, an anticancer agent, a hepatoprotective agent, an antihyperlipidemic, a diuretic, a hypotensive, a renin inhibitor, a substance for the treatment of cirrhosis of the liver or a substance for the treatment of diabetes.G is a bile acid radical in the form of the free natural or chemically modified acids, the esters and amides, the salt forms and forms derivatized on alcohol groups.Type: GrantFiled: June 7, 1995Date of Patent: July 8, 1997Assignee: Hoechst AktiengesellschaftInventors: Werner Kramer, Gunther Wess
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Patent number: 5644056Abstract: A method of preparing 7,8-difluoro-2,3-dihydro-3-methyl-4H-1,4 benzoxazine. The method includes the steps of reacting 2,3,4-trifluoroaniline or trifluoronitrobenzene with hydroxyacetone or a derivative thereof under reducing conditions to yield N-(3-hydroxy-2-propyl)-2,3,4 trifluoroaniline. The N-(3-hydroxy-2-propyl)-2,3,4-trifluoroaniline is treated with a base to yield the above-mentioned benzoxazine.Type: GrantFiled: June 7, 1995Date of Patent: July 1, 1997Assignee: Hoechst Celanese CorporationInventor: John C. Saukaitis
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Patent number: 5641882Abstract: The invention relates to a novel process for stereocontrolled preparation of 1',1'-disubstituted and 1'-spiro-nucleosides of the formula I ##STR1## in which the substituents A, R.sub.8 and R.sub.9 are as defined in claim 1, and to novel intermediates and their use in this process and to processes for the preparation of the novel intermediates. The process is illustrated by the example of biologically active (+)-hydantocidin.Type: GrantFiled: August 29, 1995Date of Patent: June 24, 1997Assignee: Ciba-Geigy CorporationInventor: Philippe Chemla
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Patent number: 5637701Abstract: A novel asymmetric synthesis is provided for preparing optically active amides of formula (A) and their salts. ##STR1## In the formula, X represent --N-- or --CH--, R represents a mono or bicyclic aryl or heteroaryl group, R.sup.1 is an aryl or heteroaryl radical, and R.sup.2 and R.sup.3 have specified meanings. The products are useful as 5-HT.sub.1A antagonists.Novel diesters of formula D useful as intermediates in the process are also disclosed.Type: GrantFiled: April 11, 1995Date of Patent: June 10, 1997Assignee: John Wyeth & Brother, LimitedInventor: Mark A. Ashwell