Acyclic Nitrogen Bonded Directly To A -c(=x)- Group, Wherein X Is Chalcogen Patents (Class 546/233)
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Patent number: 6114325Abstract: A 1,2-di-substituted benzene-carboxamide derivative or a salt thereof expressed by the following Formula (I); ##STR1## wherein each of A and B is R.sup.1 or --(CH.sub.2)n-NR.sup.2 R.sup.3, wherein when A is R.sup.1, B is --(CH.sub.2)n-NR.sup.2 R.sup.3 and when A is --(CH.sub.2)n-NR.sup.2 R.sup.3, B is R.sup.1 ; Z is --O--, --OCO--, --OCONR.sup.6 -- or --NR.sup.6 --; R.sup.1 is a hydrocarbon group of C.sub.10-30 ; R.sup.2 and R.sup.3 individually represent a hydrogen atom, a lower alkyl group, a phenyl group or a benzyl group, or together represent a heterocyclic ring having 3-7 members; when A is --(CH.sub.2)n-NR.sup.2 R.sup.3, R.sup.2 may be a hydrogen atom, a lower alkyl group, a phenyl group or a benzyl group, and R.sup.3 and R.sup.5 together may represent a heterocyclic ring of 6 or 7 members including two nitrogen atoms; when --Z--B is --OCONR.sup.6 --(CH.sub.2)n-NR.sup.2 R.sup.3 or --NR.sup.6 --(CH.sub.2)n-NR.sup.2 R.sup.3, R.sup.Type: GrantFiled: October 22, 1998Date of Patent: September 5, 2000Assignee: Shiseido Co., Ltd.Inventors: Hirotada Fukunishi, Kenichi Umishio, Masahiro Tajima, Koji Kobayashi
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Patent number: 6103719Abstract: The invention relates to new compounds of general formula I ##STR1## or the pharmaceutically acceptable salts thereof, wherein X=N--R.sup.3 or CH--R.sup.4,Y=CH.sub.2 or (CH.sub.2).sub.2,Z=O or H.sub.2 ;and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Ar have the meanings given in the specification, and the preparation and use thereof. The new compounds are valuable neurokinin (tachykinin) antagonists.Type: GrantFiled: May 27, 1999Date of Patent: August 15, 2000Assignee: Boehringer Ingelheim Pharma KGInventors: Franz Esser, Gerd Schnorrenberg, Horst Dollinger, Sven Luettke, Birgit Jung, Georg Speck
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Patent number: 6100401Abstract: A process for preparing the d-threo isomer of methylphenidate hydrochloride comprising resolving the racemic mixture of threo methylphenidate hydrochloride with dibenzoyl-D-tartaric acid to obtain a dibenzoyl-D-tartrate salt enriched with the d-threo isomer of methylphenidate in a first step, basifying the tartrate salt to obtain the free base form of the d-threo isomer of methylphenidate in a second step, converting the free base to the hydrochloride salt form of the d-threo isomer of methylphenidate in high optical purity in a third step, and recrystallizing the hydrochloride salt form to obtain the desired d-threo isomer in a higher optical purity.Type: GrantFiled: April 20, 1998Date of Patent: August 8, 2000Assignee: Novartris AGInventors: Mahavir Prashad, Denis Har
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Patent number: 6096760Abstract: Methyl .alpha.-phenyl-2-piperidine acetate (free base) is disclosed as a crystalline solid, together with a method for its preparation; its use in medicine, in particular as a stimulant for the central nervous system; and pharmaceutical formulations comprising the compound, particularly transdermal patches.Type: GrantFiled: May 29, 1998Date of Patent: August 1, 2000Assignee: Johnson Matthey Public Limited CompanyInventor: Chester Sapino
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Patent number: 6090824Abstract: Compounds of formula I ##STR1## wherein Q.sup.1, Q.sup.2, Q.sup.3, and Q.sup.4 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists Substance P and NKA, useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.Type: GrantFiled: November 14, 1996Date of Patent: July 18, 2000Assignee: Zeneca LimitedInventors: Peter R. Bernstein, Bruce T. Dembofsky
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Patent number: 6015543Abstract: The present invention relates to a class of compounds having affinity for certain cancer cells, e.g. lung carcinomas, colon carcinomas, renal carcinomas, prostate carcinomas, breast carcinomas, malignant melanomas, gliomas, neuroblastomas and pheochromocytomas. The compounds of the present invention can also bind with high specificity to cell surface sigma receptors and can therefore be used for diagnostic imaging of any tissue having an abundance of cells with sigma receptors. The present invention provides such compounds as agents for diagnostic imaging and for detecting and treating tumors containing the cancer cells described above.Type: GrantFiled: June 6, 1995Date of Patent: January 18, 2000Assignee: Research Corporation Technologies, Inc.Inventors: Christy S. John, Jesse Baumgold, John G. McAfee, Terry Moody, Wayne Bowen
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Patent number: 6002009Abstract: Pharmacologically active novel esters and amides of di-substituted 1,4 piperidine as 5-HT.sub.4 antagonists of formula (I) ##STR1## wherein A, X, Y and R have the meanings specified in the description, and a process for their preparation, are disclosed.Type: GrantFiled: January 14, 1998Date of Patent: December 14, 1999Assignee: Boehringer Ingelheim Italia, S.p.A.Inventors: Enzo Cereda, Maura Bignotti, Vincenzo Martino, Giovanni Battista Schiavi, Angelo Sagrada
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Patent number: 6001881Abstract: Benzoylguanidines of the formula I ##STR1## in which: R(1) to R(4) have the meanings given in the claims, are antiarrhythmic pharmaceuticals, having a cardioprotective component, which are also valuable for the prevention of ischemically induced damage, in particular in association with the triggering of ischemically induced cardiac arrhythmias. As a consequence of inhibiting the cellular Na.sup.+ /H.sup.+ exchange mechanism, they are used for treating acute or chronic damage triggered by ischemia. In addition to this, they are notable for their strong inhibitory effect on the proliferation of cells. They are suitable for preventing the genesis of high blood pressure.Type: GrantFiled: June 4, 1997Date of Patent: December 14, 1999Assignee: Hoechst AktiengesellschaftInventors: Andreas Weichert, Joachim Brendel, Heinz-Werner Kleemann, Hans Jochen Lang, Jan-Robert Schwark, Udo Albus, Wolfgang Scholz
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Patent number: 5998444Abstract: Compounds of formula I ##STR1## wherein Q.sup.1, Q.sup.2, Q.sup.3, Q.sup.4, and Q.sup.5 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists of SP and NKA are useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.Type: GrantFiled: November 26, 1997Date of Patent: December 7, 1999Assignee: Zeneca Ltd.Inventor: Keith Russell
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Patent number: 5977141Abstract: Sulfonamide compounds are described which are inhibitors of matrix metalloproteinases, particularly stromelysin-1 and gelatinase A (72 kD gelatinase). Also described are methods for the treatment of multiple sclerosis, atherosclerotic plaque rupture, aortic aneurism, heart failure, restenosis, periodontal disease, corneal ulceration, burns, decubital ulcers, chronic ulcers or wounds, cancer metastasis, tumor angiogenesis, arthritis, or other autoimmune or inflammatory disorders dependent upon tissue invasion by leukocytes using the compounds.Type: GrantFiled: May 13, 1998Date of Patent: November 2, 1999Assignee: Warner-Lambert CompanyInventors: Daniel F. Ortwine, Claude F. Purchase, Jr., Andrew D. White
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Patent number: 5965734Abstract: Processes and intermediates for preparing 2-substituted piperidines such as 2-substituted d-threo piperidines are provided. In preferred embodiments, the processes of the invention comprise the steps of reacting a 2-substituted pyridine with hydrogen in the presence of a catalyst in an alkanoic acid, and adding an alkyl alkanoate to the resulting mixture of threo and erythro 2-piperidine stereoisomers to precipitate alkanoate salts of the erythro stereoisomers preferentially with respect to alkanoate salts of the threo stereoisomers. The erythro salts then are reacted with aqueous base to form the corresponding mixture of erythro amide free bases, which are reacted with a suitable organic acid resolving agent in an alkyl alcohol solvent to form acid salts of the l-erythro stereoisomers preferentially with respect to the d-erythro stereoisomers.Type: GrantFiled: January 31, 1997Date of Patent: October 12, 1999Assignee: Celgene CorporationInventors: Sowmianarayanan Ramaswamy, Vikram Khetani
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Patent number: 5965580Abstract: Piperidine derivatives, process for obtaining them and pharmaceutical compositions containing them, of formula ##STR1## used as neurokinin receptor antagonists, which are, in particular, useful for the treatment of all substance P- and neurokinin-dependent pathologies.Type: GrantFiled: March 6, 1998Date of Patent: October 12, 1999Assignee: SanofiInventors: Nathalie Chabert, Jean-Philippe Ducoux, Xavier Emonds-Alt, Patrick Gueule, Vincenzo Proietto, Didier Van Broeck
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Patent number: 5936091Abstract: Processes and intermediates for preparing 2-substituted piperidines such as 2-substituted d-threo piperidines are provided, including processes and intermediates for resolution of piperidyl acetamide stereoisomers.Type: GrantFiled: May 22, 1997Date of Patent: August 10, 1999Assignee: Celgene CorporationInventors: Vikram Khetani, Yalin Luo, Sowmianarayanan Ramaswamy
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Patent number: 5932595Abstract: The present invention relates to compounds of Formula I: ##STR1## that are matrix metalloprotease inhibitors, pharmaceutical compositions containing them, methods for their use and methods of preparing these compounds.Type: GrantFiled: December 18, 1996Date of Patent: August 3, 1999Assignees: Syntex (U.S.A.) Inc., Agouron Pharmaceuticals, Inc.Inventors: Steven Lee Bender, Chris Allen Broka, Jeffrey Allen Campbell, Arlindo Lucas Castelhano, Lawrence Emerson Fisher, Robert Than Hendricks, Keshab Sarma
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Patent number: 5917037Abstract: The present invention relates to a process for the preparation of N-carboxyalkyl-3-fluoro-4-dialkylaminoanilines, which comprises reacting, in a first step, an orthonitrochlorobenzene of the formula (1) ##STR1## in which X is Cl or F, with a secondary amine of the formula (2) HNR.sup.1 R.sup.2, in which R.sub.1 and R.sup.2, independently of one another, are identical or different and are an alkyl radical having from 1 to 10 carbon atoms or, together with the N atom to which they are bonded, form a ring having from 3 to 7 members, in the presence of a base in the presence or absence of a solvent at from -10 to 120.degree. C., reacting, in a second step, the 2-chloro-4-dialkylamino-5-fluoronitrobenzene with hydrogen at from 30 to 150.degree. C.Type: GrantFiled: March 5, 1998Date of Patent: June 29, 1999Assignee: Clariant GmbHInventors: Thomas Schach, Theodor Papenfuhs
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Patent number: 5864039Abstract: Benzoic acid compounds of the formula ##STR1## wherein each symbol is as defined in the specification, optical isomers thereof and pharmaceutically acceptable salts thereof; pharmaceutical composition comprising this compound and pharmaceutically acceptable additive; and serotonin 4 receptor agonists, gastrointestinal prokinetic agents and therapeutic agents for various gastrointestinal diseases, which comprise this compound as active ingredient. The compounds of the present invention have high and selective affinity for serotonin 4 receptor, and show agonistic effects thereon. Accordingly, they are useful medications for the prophylaxis and treatment of various gastrointestinal diseases, central nervous disorders, cardiac function disorders, urinary diseases, and the like, as well as useful anti-nociceptors for analgesic use which increase threshold of pain.Type: GrantFiled: December 2, 1997Date of Patent: January 26, 1999Assignee: Yoshitomi Pharmaceutical Industries, Ltd.Inventors: Takeshi Kawakita, Takanobu Kuroita, Takahiro Murozono, Hidetoshi Hakira, Keiichiro Haga, Katsuhiko Ito, Shuji Sonda, Toshio Kawahara, Kiyoshi Asano
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Patent number: 5863903Abstract: The present invention relates to hydroxy alkyl piperidine compounds and pharmaceutical compositions thereof which can be used to treat diabetes.Type: GrantFiled: March 14, 1995Date of Patent: January 26, 1999Assignee: Novo Nordisk A/SInventors: Karsten Lundgren, Ole Kirk
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Patent number: 5837717Abstract: A compound of the following formula: ##STR1## and its pharmaceutically acceptable salt thereof, wherein R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl, C.sub.2-4 alkenyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, phenyl or phenyl-C.sub.1-4 alkyl; or R.sup.1 and R.sup.2 are taken together with the nitrogen to which they are attached and form optionally substituted, saturated or unsaturated 3-, 4-, 5-, 6- or 7-membered heterocyclic cantaining one to two heteroatoms, provided that the heterocyclic is not pyrrolidinyl;R.sup.3 is hydrogen, C.sub.1-4 alkyl or a hydroxy protecting group;Ar is phenyl optionally substituted with one or more substituents selected from halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkoxy-C.sub.1-4 alkyloxy, CF.sub.3 and carboxy-C.sub.1-4 alkyloxy; andX is phenyl, naphthyl, biphenyl, indanyl, benzofuranyl, benzothiophenyl, 1-tetralone-6-yl, C.sub.Type: GrantFiled: January 28, 1997Date of Patent: November 17, 1998Assignee: Pfizer Inc.Inventor: Fumitaka Ito
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Patent number: 5831114Abstract: Substituted N-phenyl- and N-heteroarylalkylcarbamates of formula (I), in which Q is a group (1), (2) or (3); R is halogen, trifluoromethyl, cyano, nitro or C.sub.1 -C.sub.3 haloalkoxy; Z is hydrogen or halogen; or Z and R together in the 2- and 3-position of the phenyl ring form a group --OCF.sub.2 O--; R.sub.1 is C.sub.1 -C.sub.5 alkyl; R.sub.2, R.sub.3, R.sub.4 and R.sub.5, independently of one another, are hydrogen, methyl or ethyl; X is oxygen, sulfur, --SO-- or --SO.sub.2 --, Y is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy or cyano; n is 0, 1 or 2; n.sub.1 is 0 or 1; and m is 0 or 1, with the proviso that m is 1 if Q is group (1) or (2); and the diastereomers and enantiomers thereof, exhibit pre- and post-emergence herbicidal properties. The preparation of these compounds and their use as herbicidally active ingredients are described.Type: GrantFiled: May 28, 1997Date of Patent: November 3, 1998Assignee: Novartis Finance CorporationInventors: Hermann Rempfler, Fredrik Cederbaum, Felix Spindler, Willy Urs Lottenbach
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Patent number: 5830897Abstract: .alpha.- and .beta.-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.Type: GrantFiled: June 7, 1995Date of Patent: November 3, 1998Assignees: G. D. Searle & Co., Monsanto CompanyInventors: Michael L. Vazquez, Richard A. Mueller, John J. Talley, Daniel Getman, Gary A. DeCrescenzo, John N. Freskos
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Patent number: 5814634Abstract: The invention provides a compound which has anti-ulcer effect and antibacterial activity against Helicobacter pyroli. This compound is an alkylenediamine derivative or salt which has a general formula of (1): ##STR1## wherein each of R.sub.4, R.sub.5, and R.sub.6 is hydrogen or lower alkyl; n represents an integer of 1 to 6; Y is --CH.sub.2 --, --O--, or --N(R.sub.7)--, wherein R.sub.7 is lower alkyl, aryl, carbamoyl lower alkyl, aralkyl, or a heterocyclic group having 5 to 9 carbon numbers; and, W is a group expressed by formulas 2 or 3: ##STR2## wherein (1) in formula 2: each of R.sub.1 and R.sub.2 is hydrogen, lower alkoxy, alkenyloxy, or a halogen atom; each of R.sub.3 and R.sub.3 is methyl, prenyl, or geranyl; when one of R.sub.3 and R.sub.3 is prenyl or geranyl, the other must be a methyl group; and X is oxygen or sulfur; and (2) in formula 3, R.sub.10 is a lower alkyl, and R.sub.11 is a halogen atom.Type: GrantFiled: April 17, 1997Date of Patent: September 29, 1998Assignee: Shiseido Co. Ltd.Inventors: Chikao Nishino, Fumitaka Sato, Tomohiro Uetake, Hirotada Fukunishi, Nao Kojima
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Patent number: 5773620Abstract: Amine compounds of the formula (Ia): ##STR1## where m, Ar', N, T and Z are defined herein and J is a group ##STR2## are useful as precursors in the production of quaternary amines and for the treatment of pathological phenomena involving the neurokin system.Type: GrantFiled: June 7, 1995Date of Patent: June 30, 1998Assignee: Elf SanofiInventors: Xavier Emonds-Alt, Vincenzo Proietto, Didier Van Broeck, Jean-Claude Breliere
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Patent number: 5763460Abstract: Compounds of formula (I) and the pharmaceutically acceptable acid addition salts thereof are 5-HT.sub.1A binding agents and may be used, for example, as anxiolytics. In the formula a and b each represents 0, 1, 2 or 3 such that the sum of a+b is 0, 1, 2 or 3, the dotted line represents an optional double bond which may be present in the ring, provided that a is at least 1, A is an alkylene chain of 1 or 2 carbon atoms optionally substituted by one or more lower alkyl groups, R is a mono or bicyclic aryl or heteroaryl radical with the proviso that R is not an unsubstituted phenyl group, R.sup.1 is a mono or bicyclic heteroaryl radical, and R.sup.2 is cycloalkyl or cycloalkenyl.Type: GrantFiled: January 16, 1996Date of Patent: June 9, 1998Assignees: John Wyeth & Brother Limited, American Home Products CorporationInventors: Ian Anthony Cliffe, Terence James Ward, Chapman White Alan, Antony Ashwell Mark, Bernhard Baudy Reinhardt
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Patent number: 5763438Abstract: This invention relates to a 2-acylaminopropanol compound represented by the formula (I): ##STR1## (wherein R.sup.1 represents a phenyl group which may be substituted by 1 to 3 same or different substituents selected from alkyl, alkoxy, hydroxyl, hydroxyalkyl and nitro, R.sup.2 represents the following formula (II), (III), (IV), (V) or (VI), ##STR2## (wherein R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, m and p are those defined in the specification) R.sup.11 represents a hydrogen atom or a hydroxyl group, and n represents an integer of 3 to 15) or a pharmaceutically acceptable salt thereof.Type: GrantFiled: December 9, 1996Date of Patent: June 9, 1998Assignee: Seikagaku CorporationInventors: Jinichi Inokuchi, Masayuki Jinbo, Takayuki Nagai, Haruki Yamada
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Patent number: 5763604Abstract: Sulfonamidocarboxamides of the formula ##STR1## wherein A, M, Q, X and Y have the significance given in the description, as well as hydrates, solvates and salts thereof, which inhibit thrombin-induced blood platelet aggregation and clotting of fibrinogen in plasma, as described. The compounds of formula I can be prepared by amidination of a cyclic amino group standing for grouping X or by C(O)N(Q) amide formation.Type: GrantFiled: June 4, 1997Date of Patent: June 9, 1998Assignee: Hoffmann-La Roche Inc.Inventors: Jean Ackermann, David Banner, Klaus Gubernator, Kurt Hilpert, Gerard Schmid
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Patent number: 5756533Abstract: Selected amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, composition and method for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.Type: GrantFiled: June 7, 1995Date of Patent: May 26, 1998Assignee: G.D. Searle & Co.Inventors: Daniel P. Getman, Gary A. DeCrescenzo, John N. Freskos, Michael L. Vazquez, James A. Sikorski, Balekudru Devadas, Srinivasan Nagarajan, David L. Brown, Joseph J. McDonald
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Patent number: 5731435Abstract: The present invention relates to a novel process for the preparation of N-heterocyclealkanamide derivatives having the following formula: ##STR1## which comprises reacting 1-(2-chloroethyl)piperidine with 2-chlorobenzeneacetonitrile to give (.+-.)-.alpha.-(2-chlorophenyl)-1-piperidinebutanenitrile; alkylating the piperidenebutanenitrile to give (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-(2,2-dimethoxyethyl)piperidine-1-b utanenitrile; hydrolyzing the resulting alkylated piperidinebutanenitrile to give (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-(2-oxoethyl)piperidine-1-butanenit rile; reacting the resulting piperidinebutanenitrile with isopropylamine to form (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-?2-?(1-methylethyl)imino!ethyl!pip eridine-1-butanenitrile; reducing the resulting imine to form (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-?2-?(1-methylethyl)amino!ethyl!-pi peridine-1-butanenitrile; acetylating the resulting amine to form (.+-.Type: GrantFiled: May 3, 1995Date of Patent: March 24, 1998Assignee: G. D. Searle & Co.Inventor: Thomas Robert Kowar
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Patent number: 5723611Abstract: A compound of formula (VIII): ##STR1## in which Alk is a (C.sub.1 -C.sub.4)alkyl group, R.cndot. is hydrogen or a protecting group cleavable by hydrolysis and R is hydrogen, a protecting group cleavable by reduction or a heterocycle of structure (IX): ##STR2## in which Hal is a halogen atom and X, Y and Z are each --CH.dbd. or one of them is a nitrogen atom and the others are --CH.dbd., and its salts, R.cndot. being other than hydrogen if R is hydrogen or a group of structure (IX).Type: GrantFiled: June 6, 1995Date of Patent: March 3, 1998Assignee: SanofiInventors: Marco Baroni, Tiziano Croci, Marco Landi, Umberto Guzzi, Dino Nisato
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Patent number: 5707994Abstract: The present invention relates to a 2,3-diaminopropionic acid derivative of the formula (1): ##STR1## or a pharmaceutically acceptable salt thereof. The compounds of the present invention are useful as a platelet aggregation inhibitor, a cancer metastasis inhibitor, a wound healing agent or a bone resorption inhibitor.Type: GrantFiled: April 19, 1996Date of Patent: January 13, 1998Assignee: Sumitomo Pharmaceuticals Company, LimitedInventors: Yoshihara Ikeda, Yasuyuki Ueki, Hisakazu Kishimoto, Toshio Nishihara, Yumiko Kamikawa
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Patent number: 5674881Abstract: The present invention relates to quaternary ammonium salts of the formula ##STR1## in which: J is either a group Ar--CXX'--CX" or a group Ar--(CH.sub.2).sub.x CH.sub.1, in which:Ar is a substituted or unsubstituted phenyl, a cycloalkyl, a pyridyl or a thienyl;X is hydrogen;X' is hydrogen or is combined with X" below to form a carbon-carbon bond, or else X and X' together form an oxo group;X" is hydrogen or forms a carbon-carbon bond with X';X is zero or one; andX.sub.1 is hydrogen (n=0), a hydroxyl, an alkoxy, an acyloxy, a carboxyl, a carbalkoxy, a cyano or an alkoxyamino group;Q is an alkyl group or a benzyl group;A.crclbar. is an anion;m is 2 or 3;Ar', R, T and Z are as defined in the specification, are neurokinin receptor antagonists.Type: GrantFiled: November 21, 1994Date of Patent: October 7, 1997Assignee: Elf SanofiInventors: Xavier Emonds-Alt, Vincenzo Proietto, Didier Van Broeck, Jean-Claude Breliere
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Patent number: 5663297Abstract: Disclosed herein are peptide of the formulaR--CONH--CH.sub.2 --CONH--CH(R')--CH.sub.2 COOH Iwherein R and R' are as defined herein. The claimed peptide derivatives inhibit platelet aggregation and as such are useful in the treatment of thrombosis.Type: GrantFiled: May 30, 1995Date of Patent: September 2, 1997Assignee: Hoffmann-La Roche Inc.Inventors: Leo Alig, Albrecht Edenhofer, Marcel Muller, Arnold Trzeciak, Thomas Weller
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Patent number: 5648368Abstract: Novel fibrinogen receptor antagonists of the formula:X--Y--Z--Aryl--A--Bare provided in which the claimed compounds exhibit fibrinogen receptor antagonist activity, inhibit platelet aggregation and are therefore useful in modulating thrombus formation.Type: GrantFiled: June 1, 1995Date of Patent: July 15, 1997Assignee: Merck & Co., Inc.Inventors: Melissa S. Egbertson, Laura M. Vassallo, George D. Hartman, Wasyl Halczenko, David B. Whitman, James J. Perkins, Amy E. Krause, Nathan Ihle, David Alan Claremon, William Hoffman, Mark E. Duggan
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Patent number: 5646144Abstract: 1-Acylpiperidine compound of the formula I ##STR1## in which R.sub.1 is an optionally substituted aralkyl, aryloxyalkyl, heteroaralkyl, aroyl, heteroaroyl, cycloalkylcarbonyl, aralkanoyl, heteroarylalkanoyl, aralkoxycarbonyl or arylcarbamoyl radical or the acyl radical of an .alpha.-amino acid which is optionally N-substituted by lower alkanoyl or carbamoyl-lower-alkanoyl, R.sub.2 is cycloalkyl or an optionally substituted aryl or heteroaryl radical, R.sub.3 is hydrogen, alkyl, carbamoyl or an alkanoyl or alkenoyl radical which is optionally substituted by carboxyl or esterified or amidated carboxyl, R.sub.4 is an optionally substituted aryl or optionally partially hydrogenated heteroaryl radical, X.sub.1 is methylene, ethylene, a direct linkage, an optionally ketalized carbonyl group or an optionally etherified hydroxymethylene group, X.sub.2 is alkylene, carbonyl or a direct linkage, and X.sub.Type: GrantFiled: June 7, 1995Date of Patent: July 8, 1997Assignee: Ciba-Geigy CorporationInventors: Walter Schilling, Silvio Ofner, Siem J. Veenstra
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Patent number: 5641778Abstract: Compounds of formula I ##STR1## wherein R.sub.1 is a 2-R.sub.A -3-R.sub.B -phenyl radical, a 2-R.sub.A -4-R.sub.C -phenyl radical, a 2-R.sub.A -pyridin-3-yl radical, a 3-R.sub.A -pyridin-2-yl radical or a 1-R.sub.D -indol-3-yl radical, wherein one of the radicals R.sub.A and R.sub.B is an aliphatic or heterocycloaliphatic-aliphatic radical or free or aliphatically, araliphatically or heteroaraliphatically etherified hydroxy and the other is hydrogen, an aliphatic radical or free or esterified or amidated carboxy, R.sub.C is hydrogen, an aliphatic radical, free or aliphatically, araliphatically, heteroaraliphatically or heteroarylaliphatically etherified hydroxy or an unsubstituted or heteroaliphatically substituted amino group, and R.sub.D is an aliphatic, araliphatic or heteroaliphatic radical, one of the radicals X.sub.1 and X.sub.2 is carbonyl and the other is methylene, R.sub.2 is an aliphatic radical, R.sub.3 is unsubstituted or aliphatically substituted amino, R.sub.Type: GrantFiled: December 6, 1995Date of Patent: June 24, 1997Assignee: Ciba-Geigy CorporationInventors: Jurgen Klaus Maibaum, Pascal Rigollier, Peter Herold, Nissim Claude Cohen, Richard Goschke, Stefan Stutz
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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
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Patent number: 5622949Abstract: Urea-containing hydroxyethylamine peptide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.Type: GrantFiled: June 7, 1995Date of Patent: April 22, 1997Assignee: G. D. Searle & Co.Inventors: John J. Talley, Daniel P. Getman, John N. Freskos, Ko-Chung Lin, Robert M. Heintz, Donald J. Rogier, Jr., Deborah E. Bertenshaw
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Patent number: 5618825Abstract: Combinatorial libraries are disclosed which are represented by Formula I:(T'--L).sub.q -- S--C(O)--L'--II' Iwherein:S is a solid support; T'--L-- is an identifier residue; and --L'--II' is a ligand/linker residue. Compounds which contain aryl sulfonamides, N-acyl derivatives, and N-substituted pyrrolidines and piperidines of the formula :Y--A--CO--R.sup.1are inhibitors of serine proteases and carbonic anhydrase isozymes. They are useful in the treatment of hyper-coagulation disease and ocular diseases such as glaucoma.Type: GrantFiled: June 7, 1995Date of Patent: April 8, 1997Assignee: Pharmacopeia, Inc.Inventors: John J. Baldwin, Michael H. J. Ohlmeyer, Ian Henderson
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Patent number: 5616711Abstract: A method of producing an aminobutene derivative of formula (I) by allowing a butenol derivative of formula (II) to react with an amide derivative of formula (III) is disclosed. The aminobutene derivative of formula (I) can be deprotected to produce an aminobutene derivative of formula (I-1) or an aminobutene derivative of formula (I-2): ##STR1## The aminobutene derivative of formula (I-A) can also be deprotected to produce the aminobutene derivative of formula (I-B). Any or all of the above aminobutene derivatives are useful as intermediates for producing anti-ulcer drugs, and anti-ulcer drugs having an inhibitory effect on gastric acid secretion based on the antagonism against histamine H.sub.2 receptor.Type: GrantFiled: August 6, 1993Date of Patent: April 1, 1997Assignee: Fujirebio Inc.Inventors: Hiroshi Ikawa, Hajime Matsumoto, Masakatsu Matsumoto, Yasuo Sekine, Masato Nishimura, Akihiko Hosoda
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Patent number: 5614534Abstract: The present invention concerns .beta.,.beta.-dimethyl-4-piperidineethanamine compounds of the formula: ##STR1## (wherein groups R.sub.1 to R.sub.3 are defined as indicated in the description), and addition salts thereof.It also concerns a process for their preparation and their therapeutic use as inhibitors for the cholesterol biosynthesis, in particular as epoxysqualene cyclase inhibitors, for obtaining an as hypocholesterolemic, hypolipemic, antiatheromatic and/or antifungal drug.Type: GrantFiled: October 30, 1995Date of Patent: March 25, 1997Assignee: Fournier Industrie et SanteInventors: Jean Binet, Soth Samreth, Daniel de Fornel
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Patent number: 5605926Abstract: The present invention relates to new trifluoromethyl-containing pseudopeptides of the general formula (I) ##STR1## in which W, A, B, D, E, R.sub.1, R.sub.2 and R.sub.3 have the meaning as outlined of their making and use as pharmaceuticals.Type: GrantFiled: April 10, 1995Date of Patent: February 25, 1997Assignee: Bayer AktiengesellschaftInventors: Dieter H abich, Wolfgang R oben, Jutta Hansen, Arnold Paessens
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Patent number: 5585374Abstract: Amide derivatives of formula (I) and their pharmaceutically acceptable salts (where a and b each represent 0, 1, 2 or 3 such that a+b=0, 1, 2 or 3, the dotted line represents an optional double bond, A is an optionally substituted C.sub.1-2 -alkylene chain, R is mono or bicyclic aryl or heteroaryl radical, R.sup.1 is hydrogen or lower alkyl, R.sup.2 is an aryl, aralkyl, heteroaryl or heteroarylalkyl and --CONR.sup.3 R.sup.4 represents a specified amide group) are 5-HT.sub.1A binding agents and may be used, for example, as anxiolytics.Type: GrantFiled: February 1, 1995Date of Patent: December 17, 1996Assignee: John Wyeth Brother, LimitedInventors: Ian A. Cliffe, Alan C. White
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Patent number: 5578594Abstract: Sulfonamidocarboxamides of the formula ##STR1## wherein A, M, Q, X and Y have the significance given in the description, as well as hydrates, solvates and salts thereof, which inhibit thrombin-induced blood platelet aggregation and clotting of fibrinogen in plasma, as described. The compounds of formula I can be prepared by amidination of a cyclic amino group standing for grouping X or by C(O)N(Q) amide formation.Type: GrantFiled: December 21, 1994Date of Patent: November 26, 1996Assignee: Hoffmann-La Roche Inc.Inventors: Jean Ackermann, David Banner, Klaus Gubernator, Kurt Hilpert, G erard Schmid
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Patent number: 5563168Abstract: O-Benzyloxime ethers of the formula I ##STR1## where 5 X is substituted or unsubstituted CH.sub.2, NOalkylY isO, S, NR.sup.5R.sup.1, R.sup.2, R.sup.5 are H, alkylZ.sup.1, Z.sup.2 are H, halogen, methyl, methoxy, cyanoR.sup.3, R.sup.4 are hydrogen, cyano, substituted or unsubstituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, alkynyl, alkoxy, haloalkoxy, alkylthio, benzylthio, alkylcarbonyl, substituted or unsubstituted phenylcarbonyl, substituted or unsubstituted benzylcarbonyl, alkoxycarbonyl, substituted or unsubstituted phenoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl,N(R.sup.6).sub.2, where R.sup.6 is H, alkyl, substituted or unsubstituted phenyl,--CO--N(R.sup.7).sub.2, where R.sup.Type: GrantFiled: June 16, 1995Date of Patent: October 8, 1996Assignee: BASF AktiengesellschaftInventors: Siegbert Brand, Uwe Kardorff, Reinhard Kirstgen, Bernd Mueller, Klaus Oberdorf, Hubert Sauter, Gisela Lorenz, Eberhard Ammermann, Christoph Kuenast, Albrecht Harreus
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Patent number: 5559111Abstract: .delta.-Amino-.gamma.-hydroxy-.omega.-aryl-alkanoic acid amides of formula I ##STR1## and the salts thereof, have renin-inhibiting properties and can be used as antihypertensive medicinal active ingredients.Type: GrantFiled: April 4, 1995Date of Patent: September 24, 1996Assignee: Ciba-Geigy CorporationInventors: Richard G oschke, J urgen K. Maibaum, Walter Schilling, Stefan Stutz, Pascal Rigollier, Yasuchika Yamaguchi, Nissim C. Cohen, Peter Herold
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Patent number: 5552412Abstract: Compounds of this formula ##STR1## are useful for treating or preventing, obesity, breast cancer, osteoporosis, endometriosis, cardiovascular disease and prostatic disease.Type: GrantFiled: January 9, 1995Date of Patent: September 3, 1996Assignee: Pfizer IncInventors: Kimberly O. Cameron, Paul A. Dasilva Jardine, Robert L. Rosati
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Patent number: 5532232Abstract: Compounds of the formula ##STR1## wherein L, M, R, T and X are set forth in the description, as well as hydrates or solvates thereof, which inhibit thrombin-induced platelet aggregation and clotting of fibrinogen in plasma, are described. The compounds of formula I are prepared by amidination or, depending on whether L is NH or O, by amide formation or esterification.Type: GrantFiled: November 22, 1994Date of Patent: July 2, 1996Assignee: Hoffmann-La Roche Inc.Inventors: Jean Ackermann, David Banner, Klaus Gubernator, Paul Hadvary, Kurt Hilpert, Klaus Muller, Ludvik Labler, Gerard Schmid, Thomas B. Tschopp, Hans P. Wessel, Beat Wirz
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Patent number: 5521199Abstract: The present invention concerns the novel alkyl substituted heterocycles of formula I, set out below, wherein Q, Q.sup.1, Q.sup.2 and R have the values defined herein, which antagonize the pharmacological actions of one of the endogenous neuropeptide tachykinins at the neurokinin 2 (NK.sup.2) receptor making them useful whenever such antagonism is desired, such as in the treatment of asthma and related conditions. The invention also provides pharmaceutical compositions containing the alkyl substituted heterocycles for use in such treatment, methods for their use, and processes and novel intermediates for their manufacture.Type: GrantFiled: May 16, 1994Date of Patent: May 28, 1996Assignee: Zeneca LimitedInventors: Robert T. Jacobs, Ashokkumar B. Shenvi
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Patent number: 5514677Abstract: Compounds of general formula I: ##STR1## wherein: A represents the group --NH.sub.2, a substituted acyclic amine or a heterocyclic base;have collagenase inhibition activity and are useful in the management of disease involving tissue degradation and/or the promotion of wound healing. Diseases involving tissue degradation include arthropathy (particularly rheumatoid arthritis), inflammation, dermatological diseases, bone resorption diseases and tumour invasion.Type: GrantFiled: April 18, 1994Date of Patent: May 7, 1996Assignee: British Biotech Pharmaceuticals LimitedInventors: Alan H. Davidson, Jonathan P. Dickens, Michael J. Crimmin
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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
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Patent number: 5500422Abstract: A benzamide derivative represented by the following formula: ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkanoyl group; R.sup.2 represents a hydrogen atom or a halogen atom; R.sup.3 represents a lower alkoxy group; R.sup.4 represents a hydrogen atom or a lower alkyl group; R.sup.5 represents a hydrogen atom, a lower alkyl group, or a lower alkoxy group; A represents C.sub.1 -C.sub.7 alkylene group which may optionally be substituted with a lower alkyl group; X represents a methylene group, an oxygen atom, or a sulfur atom; m represents an integer of from 0 to 3; n represents an integer of from 0 to 3; and p represents an integer of from 0 to 2 and a pharmacologically acceptable salt thereof is provided. These compounds are useful since they have gastrointestinal stimulating activity, and a pharmaceutical composition comprising said compound is useful for the treatment of gastrointestinal diseases.Type: GrantFiled: November 28, 1994Date of Patent: March 19, 1996Assignee: Hokuriku Seiyaku Co. Ltd.Inventors: Yasuo Ito, Hideo Kato, Shingo Yasuda, Nobuhiko Iwasaki, Hiroyuki Nishino, Makoto Takeshita