Chalcogen Bonded Directly To Ring Carbon Of The Bicyclo Ring System Patents (Class 546/183)
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Patent number: 5047410Abstract: New pharmacologically active amidino and guanidino derivatives which are 5-HT.sub.3 receptor antagonists useful as antiemetic, gastric prokinetic and antimigrainic agents of the following general formula (I) ##STR1## , wherein the substituents are defined hereinbelow, which compounds are 5-HT.sub.3 receptor antagonists useful as antiemetic gastric prokinetic and antimigraine agents, inter alia.Type: GrantFiled: July 12, 1989Date of Patent: September 10, 1991Assignee: Istituto de Angeli S.p.A.Inventors: Arturo Donetti, Marco Turconi, Massimo Nicola, Rosamaria Micheletti
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Patent number: 5028614Abstract: The present invention describes a group of polyhydroxylated indolizidines and quinolizidines and their esters. These compounds are prepared starting from 2,6-dideoxy-2,6-dideoxy-2,6-imino-1,3,4,5-tetrakis-O- (phenylmethyl)-D-glycero-L-gulo-heptitol or a corresponding N-substituted compound. The compounds are useful in the treatment of diabetes and as .alpha.-glucosidase I inhibitors.Type: GrantFiled: March 30, 1990Date of Patent: July 2, 1991Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Paul S. Liu, Mohinder S. Kang, Roland S. Rogers, Barry L. Rhinehart
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Patent number: 5028710Abstract: The object of the invention is a process for the preparation of derivatives of 3-sulfonyl indolizine of general formula: ##STR1## in which: R is selected from hydrogen, alkyl, cycloalkyl, substituted or unsubstituted phenyl,R.sub.1 is a protecting group for hydroxyl,R.sub.2 and R.sub.3, identical or different, is each selected from hydrogen, methyl or ethyl or halogen.These compounds are intermediates which can be used for the preparation of 3-aminoalkoxyphenylsulfonyl-indolizines, which are useful in the treatment of certain diseases of the cardiovascular system.Type: GrantFiled: June 8, 1990Date of Patent: July 2, 1991Assignee: SanofiInventors: Jean Gubin, Jean Lucchetti
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Patent number: 5019580Abstract: A new compound, dioscoretine, as well as the process for making the same is described. According to a preferred embodiment, dioscoretine is derived from the tuber of Dioscorea dumetorum. Dioscoretine is a hypoglycemic agent and thus is useful for therapeutic treatment of conditions such as diabetes mellitus.Type: GrantFiled: December 19, 1989Date of Patent: May 28, 1991Assignee: Shaman Pharmaceuticals, Inc.Inventor: Maurice M. Iwu
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Patent number: 5017563Abstract: Castanospermine mono- and di-esters and glycosides active as inhibitors of carbohydrate digestive enzymes and useful in treating diabetes are described herein. The compounds are prepared by the reaction of castanospermine with an appropriate acid halide or anhydride or with an appropriate glycosyl halide or glycosyl acetimidate under conditions which would favor the isolation of the mono- and di-esterified and glycosylated products. Various blocking groups, which can be selectively removed under mild conditions, can also be used to favor the formation of certain isomers.Type: GrantFiled: May 1, 1990Date of Patent: May 21, 1991Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Paul S. Liu, Barry L. Rhinehart, John K. Daniel
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Patent number: 5017708Abstract: A compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 each is hydrogen, hydroxy, oxo, halogen, azido, amino, C.sub.1 -C.sub.3 alkylamino, or aminomethyl, in which said amino, C.sub.1 -C.sub.3 alkylamino and aminomethyl each is optionally substituted by one or two members selected from the group consisting of C.sub.1 -C.sub.3 alkyl and amino-protecting group; n is an integer of 1 to 3; p and q each is an integer of 0 to 3 with proviso that p+q=1 to 4 or acid-addition salts thereof, being useful materials for preparing side chains of antibacterial quinolonecarboxylic acids, cephalosporines, or other antibiotics.Type: GrantFiled: September 8, 1989Date of Patent: May 21, 1991Assignee: Shionogi & Co., Ltd.Inventors: Masaru Ogata, Hiroshi Matsumoto, Sumio Shimizu, Shiro Kida
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Patent number: 5015645Abstract: Disclosed are the compounds of formula I ##STR1## wherein R and R.sub.1 -R.sub.3 independently represent hydrogen or lower alkyl, and m represents the integer 2 or 3; their methods of preparation; pharmaceutical compositions thereof, and their use for treating cognitive disorders in mammals.Type: GrantFiled: October 19, 1989Date of Patent: May 14, 1991Assignee: Ciba-Geigy CorporationInventor: Jan W. F. Wasley
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Patent number: 4988691Abstract: Compounds of formula ##STR1## (wherein R, R.sub.1, R.sub.2 and Y have the meanings indicated in the description), a process for the preparation thereof and pharmaceutical compositions containing them as active ingredient are described.Compounds of formula I exhibit anto-serotonin activity.Type: GrantFiled: January 8, 1990Date of Patent: January 29, 1991Assignee: Zambon Group S.p.A.Inventors: Giancarlo Benelli, Angelo Carenzi, Dario Chiarino, Mario Fantucci
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Patent number: 4985063Abstract: A 3-aryl-pyrrolidine-2,4-dione (e) derivative of the formula (I) ##STR1## in which X represents alkyl, halogen and alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy and halogenoalkyl,Z represents alkyl, halogen and alkoxy,m represents a number from 1-4,n represents a number from 0-3, R represents hydrogen, ##STR2## or A where A represents a metal cation equivalent or represents an ammonium ion,R.sup.1 represents optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl and optionally substituted cycloalkyl which can be interrupted by hetero atoms, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl andR.sup.2 represents optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl and optionally substituted phenyl,as well as the pure enantiomeric forms of compounds of the formula (I).Type: GrantFiled: August 8, 1989Date of Patent: January 15, 1991Assignee: Bayer AktiengesellschaftInventors: Reiner Fischer, Hermann Hagemann, Andreas Krebs, Albrecht Marhold, Klaus Lurssen, Robert R. Schmidt, Hans-Joachim Santel, Benedikt Becker, Klaus Schaller, Wilhelm Stendel
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Patent number: 4975431Abstract: The invention concerns compounds of formula I ##STR1## or a salt thereof, wherein R.sup.1 and R.sup.2 each independently represent hydrogen, lower alkyl, lower alkoxy, carboxyloweralkyl, carboxy, hydroxyloweralkyl, halogen, haloloweralkyl, lower alkoxycarbonyl, optionally substituted aryl or optionally substituted aralkyl, n represents an integer from 3 to 6; R.sup.3 represents hydrogen or single or multiple substitution on one or more of the aliphatic carbons by one or more substituents selected from lower alkyl, optionally substituted aryl and optionally substituted aralkyl; A represents a group of formula (i) or (ii) below:--CR.sup.4 R.sup.5 --(CR.sup.6 R.sup.7).sub.m -- (i)--CX--(CR.sup.6 R.sup.7).sub.m -- (ii)in which R.sup.4, R.sup.6 and R.sup.7 each independently represent hydrogen or lower alkyl (providing that when R.sup.5 is NH.sub.2, R.sup.4 is hydrogen); m is O or 1; R.sup.5 represents hydrogen, NH.sub.2, OH or loweralkoxy, and X is .dbd.O, .dbd.NH or .dbd.Type: GrantFiled: June 16, 1989Date of Patent: December 4, 1990Assignee: John Wyeth & Brother LimitedInventors: Roger Crossley, Albert Opalko
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Patent number: 4957925Abstract: An aminoalkoxyphenyl compound of formula ##STR1## as well as a pharmaceutically acceptable salt of this compound.Type: GrantFiled: August 7, 1987Date of Patent: September 18, 1990Assignee: SanofiInventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat
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Patent number: 4952587Abstract: The present invention provides a compound of formula I or a salt or prodrug thereof: ##STR1## wherein the dotted circle represents one or two double bonds in any position in the 5-membered ring;X, Y and Z independently represent oxygen, sulphur, nitrogen or carbon, provided that at least one of X, Y and Z represents oxygen, sulphur or nitrogen;A represents a group of formula II: ##STR2## in which R.sup.1 represents hydrogen, hydroxy, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.1-6 alkoxy, hydroxy(C.sub.1-6)alkyl, halogen, amino, cyano, --CONR.sup.6 R.sup.7 or --SO.sub.2 NR.sup.6 R.sup.7, in which R.sup.6 and R.sup.7 independently represent hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl;R.sup.2 represents hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or C.sub.1-6 alkylcarbonyl;V represents nitrogen, ##STR3## and W represents oxygen, sulphur or ##STR4## in which R.sup.8 represents hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.Type: GrantFiled: February 3, 1989Date of Patent: August 28, 1990Assignee: Merck Sharp & Dohme Ltd.Inventors: Raymond Baker, John Saunders, Christopher Swain
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Patent number: 4936121Abstract: A compound of the formula (I) ##STR1## where A is an alkylene or alkenylene group, R.sub.1 is an aryl group which may be substituted, R.sub.2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a halogenated lower alkyl group, a cycloalkyl group, a lower alkoxyalkyl group, a lower alkylthioalkyl group, a phenyl group which may be substituted or an aralkyl group which may be substituted, R.sub.3 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a halogenated lower alkyl group, or R.sub.2 and R.sub.3 may be combined to form a group of --(CH.sub.2).sub.n --(n is 3 or 4), or salt thereof, which is useful as a herbicide.Type: GrantFiled: October 12, 1988Date of Patent: June 26, 1990Assignee: Daicel Chemical Industries Ltd.Inventors: Yukihisa Goto, Hiroshi Yagihara, Kazuhisa Masamoto, Yasuo Morishima, Yukihiro Sagawa, Hirokazu Osabe
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Patent number: 4921982Abstract: This invention provides bicyclic carboxylic esters and amides, their pharmaceutical formulations, and a method for their use in treating migraine, emesis, gastrointestinal disorders, schizophrenia, or anxiety in mammals.Type: GrantFiled: June 14, 1989Date of Patent: May 1, 1990Assignee: Eli Lilly and CompanyInventors: Marlene L. Cohen, William B. Lacefield, David W. Robertson
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Patent number: 4918079Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein the various substituents are defined hereinbelow, having 5-HT.sub.3 receptor antagonist activity, processes for their preparation and their use as pharmaceuticals.Type: GrantFiled: September 30, 1988Date of Patent: April 17, 1990Assignee: Beecham Group p.l.c.Inventor: Francis D. King
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Patent number: 4916139Abstract: 3-(2,3,4,5,6-pentafluorophenoxy)-8-azabicyclo[3.2.1]octanes and methods for treating depression, convulsions, pain, and hypertension utilizing compounds or compositions thereof are disclosed.Type: GrantFiled: June 7, 1989Date of Patent: April 10, 1990Assignee: Hoechst-Roussel Pharmaceuticals, Inc.Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
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Patent number: 4906643Abstract: N-(3-hydroxy-4-piperidinyl)substituted benzamides, their N-oxide forms and pharmaceutically acceptable acid-addition salts having gastrointestinal motility stimulating properties, compositions containing the same, and methods of treating warm blooded animals suffering from a decreased peristalsis of the gastrointestinal system.Type: GrantFiled: June 10, 1988Date of Patent: March 6, 1990Assignee: Janssen Pharmaceutica N.V.Inventors: Georges H. P. Van Daele, Freddy F. Vlaeminck, Karel J. Van Loon
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Patent number: 4883877Abstract: Compounds of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are, for example, H, alkyl, cycloalkyl, aryl or alkaryl are suitable as an ammonium salt-forming component for acid pharmaceutical active ingredients, and in particular for the preparation of azabicyclo[3.1.1.]heptane-substituted alkanediphosphonic acids for the treatment of diseases which can be attributed to disturbances in calcium metabolism.Type: GrantFiled: October 31, 1988Date of Patent: November 28, 1989Assignee: Ciba-Geigy CorporationInventor: Alex Alder
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Patent number: 4882327Abstract: Compounds of formula (I), or a pharmaceutically acceptable salt thereof:Y-CO-L-Z (I)whereinL is NH or O; Y is a group of formula (a), (b) or (c): ##STR1## wherein R.sub.1 and R.sub.2, R.sub.5 and R.sub.6, R.sub.9 and R.sub.10, are independently selected from hydrogen or halogen;X is N or CR.sub.3whereinR.sub.3 is hydrogen or C.sub.1-6 alkoxy;R.sub.4 is hydrogen, halogen, CH.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-6 alkylsulphonyl, C.sub.1-6 alkylsulphinyl, C.sub.1-7 acyl, cyano, C.sub.1-6 alkoxycarbonyl, C.sub.1-7 acylamino, hydroxy, nitro or amino, aminocarbonyl, or aminosulphonyl, optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, and C.sub.3-8 cycloalkyl C.sub.1-4 alkyl or disubstituted by C.sub.4 or C.sub.5 polymethylene; phenyl or phenyl C.sub.1-4 alkyl group optionally substituted in the phenyl ring by one or two of halogen, C.sub.1-6 alkoxy or C.sub.1-6 alkyl groups;one of R.sub.7 and R.sub.8 is C.sub.Type: GrantFiled: April 22, 1988Date of Patent: November 21, 1989Assignee: Beecham Group p.l.c.Inventor: Francis D. King
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Patent number: 4870081Abstract: A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## in which A represents a bond or --CH.sub.2 -- and B represents hydrogen, or A and B together with the carbon atom to which they are both attached represents a group ##STR2## R represents R.sub.1 OOC-- in which R.sub.1 is C.sub.1-4 alkyl, C.sub.2-4 alkenyl or C.sub.2-4 alkynyl; R.sub.2 O-- in which R.sub.2 is C.sub.1-3 alkyl, C.sub.1-2 alkylcarbonyl or aminocarbonyl optionally substituted by one or two methyl groups; or R.sub.3 CH.sub.2 - in which R.sub.3 is C.sub.1-2 alkoxy; and p represents an integer of 2 to 4, and wherein compounds of formula (I) where B is hydrogen have the stereochemical configuration in which the group R and the methylene bridge are both on the same side of the plane of the molecule which contains both bridge head atoms and the ring carbon atom bonded to the group R.Type: GrantFiled: June 26, 1987Date of Patent: September 26, 1989Assignee: Beecham Group p.l.c.Inventors: Barry S. Orlek, Michael S. Hadley, Harry J. Wadsworth, Howard E. Rosenberg
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Patent number: 4861564Abstract: The compounds of the invention comprise the condensation product, as well as derivatives thereof, of two equivalents of a trimethyl cyclohexane-anhydride acid chloride derivative with one equivalent of an aromatic diamine. The scope of the invention includes the method of using the compounds of the invention as chelating agents for metals, metal ions or ions of metal complexes. In a preferred embodiment of the invention the binding moieties of the cyclohexane derivatives are rigidly held opposite each other, by restricting their rotation about the N-C aryl bonds, in order to more effectively bind the metals or the ions.Type: GrantFiled: October 2, 1987Date of Patent: August 29, 1989Assignee: Year Laboratories, Inc.Inventor: Julius Rebek
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Patent number: 4861889Abstract: 3-(2,3,4,5,6-pentafluorophenoxy)-8-azabicyclo[3.2.1]octanes and methods for treating depression, convulsions, pain, and hypertension utilizing compounds or compositions thereof are disclosed.Type: GrantFiled: March 14, 1988Date of Patent: August 29, 1989Assignee: Hoechst-Roussel Pharmaceuticals, Inc.Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
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Patent number: 4853392Abstract: Compounds of the formula ##STR1## where R.sup.1 is lower alkyl, R.sup.2 is chlorophenyl, Y is alkylene, X is heterocyclic and Z is a fused ring are useful as antiinflammatory and antiallergy agents.Type: GrantFiled: July 11, 1988Date of Patent: August 1, 1989Assignee: Pfizer Inc.Inventors: Kelvin Cooper, Peter E. Cross, Michael J. Fray, Kenneth Richardson
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Patent number: 4841057Abstract: An anthraquinone compound represented by formula: ##STR1## wherein R and X are as defined in the specification, and a polarizing film containing the same. The anthraquinone compound exhibits satisfactory compatibility with organic polymers and high dichroism, and the polarizing films have excellent performance characteristics.Type: GrantFiled: January 12, 1988Date of Patent: June 20, 1989Assignee: Mitsubishi Chemical Industries LimitedInventors: Konoe Miura, Tetsuo Ozawa, Seigo Okumura, Shinji Kubo
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Patent number: 4822795Abstract: Compounds of formula (I), or a pharmaceutically acceptable salt thereof: ##STR1## wherein L is NH or O;X is N or CR.sub.3 wherein R.sub.3 is hydrogen or C.sub.1-6 alkoxy;Y is N or CR.sub.4 wherein R.sub.4 is hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-6 alkylsulphonyl, C.sub.1-6 alkylsulphinyl, C.sub.1-7 acyl, cyano, C.sub.1-6 alkoxycarbonyl, C.sub.1-7 acylamino, hydroxy, nitro or amino, aminocarbonyl, or aminosulphonyl, optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, and C.sub.3-8 cycloalkyl C.sub.1-4 alkyl or disubstituted by C.sub.4 or C.sub.5 polymethylene; phenyl or phenyl C.sub.1-4 alkyl group optionally substituted in the phenyl ring by one or two of halogen, C.sub.1-6 alkoxy or C.sub.1-6 alkyl groups;R.sub.1 and R.sub.2 are independently selected from hydrogen, or halogen;Z is a group of formula (a), (b) or (c): ##STR2## wherein n is 2 or 3; p is 1 or 2; q is 1 to 3; r is 1 to 3; andR.sub.5 or R.sub.Type: GrantFiled: July 27, 1987Date of Patent: April 18, 1989Assignee: Beecham Gropup p.l.c.Inventor: Francis D. King
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Patent number: 4808588Abstract: Compounds of formula (I), or a pharmaceutically acceptable salt thereof: ##STR1## wherein: Het is monocyclic heteroaryl having two adjacent carbon atoms, a and b, depicted in formula (I); p1 R.sub.1 and R.sub.2 are independently selected from hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl and C.sub.1-6 Alkoxy;R.sub.3 is hydroxy, C.sub.1-6 alkoxy, C.sub.3-7 alkenyl-methoxy, phenoxy or phenyl C.sub.1-4 alkoxy in which either phenyl moiety may be substituted by one or two C.sub.1-6 alkyl, C.sub.1-6 alkoxy or halo; CO.sub.2 R.sub.6 wherein R.sub.6 is hydrogen or C.sub.1-6 alkyl, CONR.sub.7 R.sub.8 or SO.sub.2 NR.sub.7 R.sub.8 wherein R.sub.7 and R.sub.8 are independently hydrogen or C.sub.1-6 alkyl or together are C.sub.4-6 polymethylene, NO.sub.2, (CH.sub.2).sub.m OR.sub.9 wherein m is 1 or 2 and R.sub.9 is C.sub.1-6 alkyl or S(O).sub.n R.sub.10 wherein n is 0, 1 or 2 and R.sub.10 is C.sub.Type: GrantFiled: July 30, 1987Date of Patent: February 28, 1989Assignee: Beecham Group, p.l.c.Inventor: Francis D. King
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Patent number: 4803199Abstract: The dicarboxylic, heterocyclic and substituted benzoic acid alkylene bridged piperidyl amides and esters are serotonin M antagonists.Type: GrantFiled: November 25, 1987Date of Patent: February 7, 1989Inventors: Peter Donatsch, Gunter Engel, Bruno Hugi, Brian P. Richardson, Paul A. Stadler, deceased, by Hildegard R. Stadler, heir, by Brigitte M. Stadler, heir, by Sigrid A. Stadler, heir, by Gerald Breuleux, legal representative
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Patent number: 4797406Abstract: The dicarboxylic, heterocyclic and substituted benzoic acid alkylene bridged piperidyl amides and esters are serotonin M antagonists.Type: GrantFiled: June 16, 1986Date of Patent: January 10, 1989Assignee: Sandoz Ltd.Inventors: Brian P. Richardson, Gunter Engel, Rudolf K. A. Giger, Andrea Vasella
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Patent number: 4794120Abstract: Nitrofuran derivatives of formula (I) ##STR1## in which n is 0 or 1 and R is a selected heterocyclic radical have useful antibacterial, antiparasitic and antifungal activity.Type: GrantFiled: July 7, 1987Date of Patent: December 27, 1988Assignee: SynthelaboInventors: Philippe Manoury, Jean Binet, Michel Aletru
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Patent number: 4789673Abstract: The dicarboxylic, heterocyclic and substituted benzoic acid alkylene bridged piperidyl amides and esters are serotonin M antagonists.Type: GrantFiled: November 10, 1987Date of Patent: December 6, 1988Inventors: Peter Donatsch, Gunter Engel, Bruno Hugi, Brian P. Richardson, Hildegard R. Stadler, Brigitte M. Stadler, Sigrid A. Stadler, Gerald Breuleux
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Patent number: 4777254Abstract: Polycyclic 1,3-dione imides N-alkylated with variously N-substituted alkyl- or cycloalkyl amines afford histamine H.sub.1 -receptor antagonists of the formula ##STR1## wherein R is polycyclic alkyl moiety;R.sup.1 is hydrogen or alkyl;R.sup.4 is an aromatic amine or a cycloalkyl amine containing N-substitution;R.sup.7 and R.sup.8 are hydrogen, alkyl or form a spiro cycloalkyl group.Type: GrantFiled: December 2, 1986Date of Patent: October 11, 1988Assignee: American Home Products Corp.Inventors: Magid A. Abou-Gharbia, Susan T. Nielsen
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Patent number: 4769373Abstract: The invention relates to new anti-arrythmic azabicyclo[3.3.1]nonanes of the general formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are C.sub.1-4 alkyl groups which are the same or different, or one of them is a benzyl group and the others are C.sub.1-4 alkyl groups, andR.sup.4 is a hydroxy group, or an etherified hydroxy group of the formula --OR.sup.5, or an esterified hydroxy group of the formula --OOCR.sup.6, in which the esterifying groupR.sup.5 is a phenyl or benzyl group which optionally each can have a trihalomethyl substituent or one or more halogen or C.sub.1-4 substituents, or is a diphenyl or benzhydryl group, and the esterifying groupR.sup.6 is a C.sub.1-8 alkyl or a C.sub.3-6 cycloalkyl group, or a phenyl or benzyl group which optionally each can have a halo-substituent or one or more C.sub.1-4 alkyl, C.sub.1-4 alkoxy, nitro or phenyl substituents, or is an optionally halogenated or hydrogenated naphthyl group, or a cinnamyl group optionally substituted by a halogen atom or C.sub.Type: GrantFiled: November 26, 1984Date of Patent: September 6, 1988Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Karoly Nador, Gabor Kraiss, Margit Paroczay, Egon Karpati, Laszlo Szporny
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Patent number: 4754033Abstract: A process for producing pyridine-2,3-dicarboxylic acid derivatives of the formula ##STR1## is described. The process is based on the cleavage of HNR.sub.10 R.sub.11 from 1-amino-1,2,3,4-tetrahydropyridine-2,3-dicarboxylic acid derivatives of the formula II ##STR2## to give 1,4-dihydropyridine-2,3-dicarboxylic acid derivatives of the formula III ##STR3## and subsequent oxidation of these compounds to obtain pyridine-2,3-dicarboxylic acid derivatives of the formula I. According to one variant of the process, the 1,4-dihydropyridine-2,3-dicarboxylic acid derivatives of the formula III are obtained directly, without isolation of the intermediately formed 1-amino-1,2,3,4-tetrahydropyridine-2,3-dicarboxylic acid derivatives of the formula II, by reaction of .alpha.,.beta.-unsaturated hydrazones of the formula IV ##STR4## with ethene-1,2-dicarboxylic acid derivatives of the formula V ##STR5## and subsequently oxidized to pyridine-2,3-dicarboxylic acid derivatives of the formula I. In the above formulae, R.sub.1, R.Type: GrantFiled: August 2, 1985Date of Patent: June 28, 1988Assignee: Ciba-Geigy CorporationInventor: Adrian Waldner
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Patent number: 4723014Abstract: The present invention provides a process for preparing a 2-substituted-1,4-dihydropyridine by providing a regiospecific bromine containing intermediate which is then reacted with a nucleophile to provide a wide range of substituents at the 2-position of 1,4-dihydropyridines. Also the present invention is novel 3-substituted-1,4-dihydropyridines having cardiovascular activity.Type: GrantFiled: November 19, 1986Date of Patent: February 2, 1988Assignee: Warner-Lambert CompanyInventors: Kevin R. Anderson, Ila Sircar
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Patent number: 4698425Abstract: The compounds of the invention comprise the condensation product, as well as derivatives thereof, of two equivalents of a trimethyl cyclohexane-anhydride acid chloride derivative with one equivalent of an aromatic diamine. The scope of the invention includes the method of using the compounds of the invention as chelating agents for metals, metal ions or ions of metal complexes. In a preferred embodiment of the invention the binding moieties of the cyclohexane derivatives are rigidly held opposite each other, by restricting their rotation about the N-C aryl bonds, in order to more effectively bind the metals or the ions.Type: GrantFiled: July 24, 1984Date of Patent: October 6, 1987Assignee: Year Laboratories, Inc.Inventor: Julius Rebek
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Patent number: 4677129Abstract: 1-phenyl-3-azabicyclo[3.1.1]-heptane-2,4-diones of the formula ##STR1## in which R.sub.1 represents hydrogen or a saturated or unsaturated, aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, aromatic or aromatic-aliphatic hydrocarbon radical having up to and including 18, preferably up to and including 12, carbon atoms, R.sub.2 represents hydrogen, lower alkyl, sulpho or acyl, R.sub.3 represents hydrogen or lower alkyl and R.sub.4 represents hydrogen, lower alkyl, phenyl or phenyl substituted by --N(R.sub.2)(R.sub.3), and salts of these compounds, have valuable pharmacological properties, are effective as aromatase inhibitors and can therefore be used for the treatment of hormone-dependent diseases, especially mammary carcinoma.Type: GrantFiled: June 20, 1985Date of Patent: June 30, 1987Assignee: Ciba-Geigy CorporationInventors: Alex Alder, Jaroslav Stanek, Daniel Bellus
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Patent number: 4675325Abstract: A method of making dendrobatid alkaloids with the formula ##STR1## in which A is either CH.sub.3 or H, and n is an integer from 1-9, and R is CH.sub.2 OH, CHO, ##STR2## and R.sub.1 and R.sub.2 are alkyl groups; and the use of such alkaloids to treat cardiovascular illness.Type: GrantFiled: June 21, 1984Date of Patent: June 23, 1987Assignee: The Regents of the University of CaliforniaInventors: Larry E. Overman, Fumitaka Ito
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Patent number: 4675408Abstract: Octahydro-5-oxoindolizine-6-propanoic acids and octahydro-6-oxopyrido[1,2-a]pyridine-7-propanoic acids, the decarboxy and related ester and perhydro derivatives thereof inhibit angiotensin I converting enzyme and are hypotensive agents. Hydrogenation of A58365 factors A and B, obtained by culturing Streptomyces chromofuscus, provides the ACE inhibitors. Also provided are O-acyl and O-sulfonyl derivatives of A and B factors which are useful in preparing deoxy factors A and B via hydrogenolysis.Type: GrantFiled: June 5, 1986Date of Patent: June 23, 1987Assignee: Eli Lilly and CompanyInventors: Jon S. Mynderse, David S. Fukuda
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Patent number: 4673737Abstract: 7.beta.-Acylamino-3-trifluoromethylsulfonyloxy-1-carba-3-cephem-4-carboxyli c acid antibiotic compounds, esters and salts thereof, and the corresponding 7-amino and protected 7-amino 1-carbacephalosporins are provided. The 3-trifluoromethylsulfonyloxy-substituted 1-carbacephalosporins also are useful in a process for preparing 3-halo-1-carbacephalosporins which comprises reacting a 3-triflate ester with a lithium halide in an aprotic polar solvent.Type: GrantFiled: August 2, 1985Date of Patent: June 16, 1987Assignee: Harvard UniversityInventors: David A. Evans, Eric B. Sjogren
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Patent number: 4640919Abstract: Carbacephem compounds represented by the formula: ##STR1## [wherein R.sub.1 is a lower alkylsulfonyloxy, unsubstituted or substituted arylsulfonyloxy, azido, cyano, carbamoyloxy, unsubstituted or substituted heterocyclic thio ("heterocyclic" means a 5- or 6-membered heterocyclic group having 1 to 4 O, S or N atoms), unsubstituted or substituted lower alkylthio, or unsubstituted or substituted arylthio group; R.sub.2 and R.sub.3 are groups frequently used in the cephalosporin chemistry] have strong antibacterial activity against Gram-positive and Gram-negative bacteria, and are useful for curing various infections.Type: GrantFiled: February 19, 1985Date of Patent: February 3, 1987Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Kenichi Mochida, Takehiro Ogasa, Junichi Shimada, Tadashi Hirata, Kiyoshi Sato, Ryo Okachi
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Patent number: 4622062Abstract: Pyrazole sulfonylureas are expected to show pre- and post-emergence herbicidal activity. Specifically preferred in this class of compounds is N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-4,6-dihydro-2-methyl-4-oxo- 2H-furo[3,4-c]pyrazole-3-sulfonamide.Type: GrantFiled: December 10, 1984Date of Patent: November 11, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventor: Barry A. Wexler
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Patent number: 4602013Abstract: Substituted 2-amino-4(1H)pyridones are provided which are renal vasodilators and bronchodilators.Type: GrantFiled: February 8, 1984Date of Patent: July 22, 1986Assignee: Ortho Pharmaceutical CorporationInventor: Jack B. Jiang
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Patent number: 4594431Abstract: Octahydro-5-oxoindolizine-6-propanoic acids and octahydro-6-oxopyrido[1,2-A]pyridine-7-propanoic acids, the decarboxy and related ester and perhydro derivatives thereof inhibit angiotensin I converting enzyme and are hypotensive agents. Hydrogenation of A58365 factors A and B, obtained by culturing Streptomyces chromofuscus, provides the ACE inhibitors. Also provided are O-acyl and O-sulfonyl derivatives of A and B factors which are useful in preparing deoxy factors A and B via hydrogenolysis.Type: GrantFiled: August 1, 1983Date of Patent: June 10, 1986Assignee: Eli Lilly CompanyInventors: Jon S. Mynderse, David S. Fukuda
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Patent number: 4577024Abstract: Oxoindolizine and oxoindolizinium dyes are novel compounds useful in imaging, such as laser recording and reading. These dyes are formed by (1) the reaction of a cyclopropenone and a pyridine compound, (2) by reaction of (a) color-forming couplers with (b) reaction products from the reaction of cyclopropenones with pyridine compounds, or (3) by condensation reactions of indolizinols, indolizinones, and indolizinium ions.Type: GrantFiled: August 27, 1982Date of Patent: March 18, 1986Assignee: Eastman Kodak CompanyInventors: George L. Fletcher, Jr., Steven L. Bender, Donald H. Wadsworth
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Patent number: 4567270Abstract: This invention relates to hexahydroindolizinones, which are useful as inhibitors of cardiac arrhythmias and of platelet aggregation and are therefore useful in the treatment of irregular heartbeat and in the prevention of thrombus formation.Type: GrantFiled: September 17, 1984Date of Patent: January 28, 1986Assignee: G. D. Searle & Co.Inventors: Robert J. Chorvat, Kathleen A. Prodan, John A. Schulz
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Patent number: 4560757Abstract: Compounds of formula (I): ##STR1## wherein X is methoxy or ethoxy, Y is amino or C.sub.1-6 alkanoylamino, Z is hydrogen, chloro or bromo and R.sub.1 is methyl, chloro or fluoro, have anti-psychotic activity, and are useful in the treatment of CNS disorders. Intermediates for the above compounds are also disclosed.Type: GrantFiled: September 9, 1983Date of Patent: December 24, 1985Assignee: Beecham Group p.l.c.Inventors: Michael S. Hadley, Francis E. Blaney
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Patent number: 4539149Abstract: .beta.-Lactam antibiotics having an .alpha.-formamido substituent on the carbon atom adjacent to the carbonyl group of the .beta.-lactam ring and in particular bicyclic compounds having the partial structure: ##STR1## Intermediates and processes for the preparation of the compounds are further disclosed.Type: GrantFiled: July 23, 1982Date of Patent: September 3, 1985Assignee: Beecham Group p.l.c.Inventor: Peter H. Milner
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Patent number: 4537886Abstract: A compound of formula (1) or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof: ##STR1## wherein R.sup.1 is phenyl, substituted phenyl or a 5- or 6-membered heterocyclic ring containing up to three heteroatoms selected from oxygen, sulphur or nitrogen, optionally substituted with hydroxy, amino, halogen or C.sub.1-6 alkoxy;X represents; ##STR2## wherein R.sup.Y is methyl or acetyl; R.sup.2 and R.sup.3 may be the same or different and each is hydrogen, an aryl group, a heterocyclyl group or a C.sub.1-6 alkyl group optionally substituted by an aryl group or a heterocyclyl group; and R.sup.4 is hydrogen, a C.sub.1-6 alkylcarbonyl group, an aryl group, a heterocyclyl group, a C.sub.1-6 alkyl group optionally substituted by an aryl group or a heterocyclyl group;R.sup.5 represents, hydrogen, methoxy or --NHCHO; and Y is: ##STR3## wherein Y.sup.1 is oxygen, sulphur or --CH.sub.2 -- and Z represents hydrogen, halogen or an organic group such as C.sub.1-4 alkoxy, --CH.sub.2 Q or --CH.dbd.Type: GrantFiled: March 29, 1983Date of Patent: August 27, 1985Assignee: Beecham Group p.l.c.Inventors: Andrew W. Taylor, Richard T. Cook
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Patent number: 4530931Abstract: X is in the 8 position and is O(CH.sub.2).sub.n, N(CH.sub.2).sub.n ;Y is O(CH.sub.2).sub.n, N(CH.sub.2).sub.n ;R.sub.2 is monosubstituted or independently disubstituted H, carboxyl, or alkylcarboxy;Z is 0; andn is 0 to 10 inclusive,useful in the treatment of ischemic heart disease and hypertriglyceridemia.Type: GrantFiled: March 21, 1984Date of Patent: July 23, 1985Assignee: USV Pharmaceutical Corp.Inventors: John H. Musser, Charles A. Sutherland
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Patent number: 4518780Abstract: A novel process for the preparation of 2-(5,5-disubstituted-4-oxoor thiono)-2-imidazolin-2-yl)nicotinic acids, quinoline-3-carboxylic acids and benzoic acids by the base-catalyzed cyclization of appropriately substituted 2-carbamoyl nicotinic acids, 3-quinolinecarboxylic, or benzoic acids. The products are useful as herbicides.Type: GrantFiled: May 5, 1983Date of Patent: May 21, 1985Assignee: American Cyanamid CompanyInventors: Jerry M. Barton, Don W. Long, Kenneth D. Lotts