Polycyclo Ring System Having The Oxazole Ring As One Of The Cyclos Patents (Class 514/379)
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Patent number: 5232936Abstract: The present invention relates to novel hydantoin derivatives, processes for producing said hydantoin derivatives, pharmaceutical compositions containing at least one of said hydantoin derivatives as aldose reductase inhibitors and novel intermediate compounds in the synthesis of said hydantoin derivatives.The present invention is based on the selection of a hydantoin which is bonded by a sulfonyl group to various substituents at the 1-position of the hydantoin skeleton.The compounds of the present invention have a strong inhibitory activity against aldose reductase. These compounds are extremely useful for the treatment and/or prevention of various forms of diabetic complications based on the accumulation of polyol metabolites.Type: GrantFiled: January 23, 1991Date of Patent: August 3, 1993Assignee: Mochida Pharmaceutical Co., Ltd.Inventors: Ei Mochida, Kimihiro Murakami, Kazuo Kato, Katsuaki Kato, Jun Okuda, Ichitomo Miwa
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Patent number: 5232915Abstract: 9.alpha.-Hydroxy-19,11.beta.-bridged steroids of general formula I ##STR1## are described. The more detailed meaning of A, B, R.sup.1, R.sup.2, G, Z, R.sup.4 --Y and R.sup.4' --Y' follows from the description. The steroids of general formula I have antigestagen and/or antiglucocorticoidal action and can be used for the production of pharmaceutical agents.Type: GrantFiled: January 14, 1992Date of Patent: August 3, 1993Assignee: Schering AktiengesellschaftInventors: Eckhard Ottow, Gunter Neef, Rudolf Wiechert, Walter Elger, Sybille Beier, Karl-Heinrich Fritzemeier
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Patent number: 5171863Abstract: Anti-inflammatory 4-substituted 2-furanones are made from intermediates having the formulas: ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 independently are n-alkyl of 1 to 6 carbons, or branched chain alkyl of 1 to 6 carbons; X is H, OH, NH.sub.2, I or Br; R.sub.4 is H, alkyl of 1-20 carbons, phenyl[C.sub.1 -C.sub.20 alkyl], naphthyl[C.sub.1 -C.sub.20 alkyl], CH.sub.2 OH, CH.sub.2 NH.sub.2, CH.sub.2 CH.sub.2 OH, CH.sub.2 --CHO, CH.sub.2 --COOH or CH.sub.2 --COOR.sub.5, and R.sub.5 is alkyl of 1 to 6 carbons, with the proviso that when X is hydrogen then R.sub.4 is selected from the group consisting of CH.sub.2 OH, CH.sub.2 NH.sub.2, CH.sub.2 CH.sub.2 OH, CH.sub.2 --CHO, or CH.sub.2 --COOR.sub.5 ; ##STR2## in which R.sub.1, R.sub.2 R.sub.3 independently are n-alkyl of 1 to 6 carbons, or branched chain alkyl of 1 to 6 carbons, and R.sub.5 is alkyl of 1 to 6 carbons; ##STR3## in which R.sub.1, R.sub.2 and R.sub.3 independently are n-alkyl of 1 to 6 carbons, or branched chain alkyl of 1 to 6 carbons, and R.sub.Type: GrantFiled: November 15, 1991Date of Patent: December 15, 1992Assignee: Allergan, Inc.Inventors: Gary C. M. Lee, Michael E. Garst
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Patent number: 5128354Abstract: The present invention provides an agent for treating ischemic brain damage comprising 3-sulfamoylmethyl-1,2-benzisoxazole or its alkali metal salt as an active ingredient. This agent can be used for the prevention and/or treatment of cerebral ischemia-induced intracranial diseases or various symptoms associated therewith in mammals including human beings.Type: GrantFiled: June 25, 1990Date of Patent: July 7, 1992Assignee: Dainippon Pharmaceutical Co., Ltd.Inventors: Yoshinobu Masuda, Toshiaki Kadokawa, Mikio Kurokawa, Kayoko Zushi, Yoshiaki Ochi
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Patent number: 5114960Abstract: Compounds of the formula ##STR1## wherein A taken together with the two carbon atoms denoted as .alpha. and .beta. is a group of the formula ##STR2## and the dotted line is the double bond present in formulas (i) and (iii); and wherein n is zero, 1, 2 or 3, one of R.sup.1 and R.sup.2 is carboxy or alkoxycarbonyl and the other is hydrogen, R.sup.3 is hydrogen, alkyl, alkoxy, aryloxy, azido, cyano or alkylthio, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each, independently, is hydrogen or alkyl or, when R.sup.1 is carboxy or alkoxycarbonyl and n stands for 1, R.sup.4 and R.sup.6 taken together can be a carbon-carbon bond or, when R.sup.2 is carboxy or alkoxycarbonyl, R.sup.5 and R.sup.7 taken together can be a carbon-carbon bond, R.sup.8 is halogen, alkyl, haloalkyl or alkoxy and R.sup.9 is hydrogen, halogen, alkyl or alkoxy, and pharmaceutically acceptable salts of the compounds of formula I in which one of R.sup.1 and R.sup.Type: GrantFiled: June 26, 1990Date of Patent: May 19, 1992Assignee: Hoffmann-La Roche Inc.Inventors: Geoffrey Lawton, John M. Osbond, Christopher R. Self
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Patent number: 5059614Abstract: The object of the invention are anticonvulsant heterocyclic compounds of general formula: ##STR1## in which R.sub.1 and R.sub.2 is each selected from C.sub.1 -C.sub.4 alkyl, phenyl, benzyl, trifluoromethyl or halogen, R.sub.3 is selected from hydrogen, hydroxy, C.sub.1 -C.sub.4 alkyl or alkoxy, R.sub.4, in position 3 or 5, is selected from hydrogen, trifluoromethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 hydroxyalkyl,R.sub.5 is selected from hydrogen or C.sub.4 -C.sub.4 alkyl or R.sub.4 and R.sub.5 together form a tetramethylene group, Z at position 3 or 5 on the heterocycle is selected from:--N(R.sub.6)--CO--, --CO--N(R.sub.6)--, --N(R.sub.6)--CO--N(R.sub.6)----CH(R.sub.6)--NH--CO--, or --NH-CO--CH(R.sub.6),in which R.sub.6 is selected from hydrogen or C.sub.1 -C.sub.4 alkyl.Type: GrantFiled: November 29, 1989Date of Patent: October 22, 1991Assignee: NovapharmeInventors: Francis Lepage, Bernard Hublot
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Patent number: 5030643Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: July 14, 1989Date of Patent: July 9, 1991Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying Kwong Yee
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Patent number: 5008264Abstract: There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen or loweralkyl; R.sub.2 is loweralkyl, arylloweralkyl, diarylloweralkyl or --CH.sub.2 CHOHCH.sub.2 OR.sub.5, R.sub.5 being aryl, or alternatively --NR.sub.1 R.sub.2 taken together is ##STR2## R.sub.6 being aryl, arylloweralkyl, diarylloweralkyl, ##STR3## and R.sub.3 and R.sub.4 are each independently methoxy or hydroxy, which compounds are useful as analgesic and hypotensive agents.Type: GrantFiled: October 9, 1990Date of Patent: April 16, 1991Assignee: Hoechst-Roussel Pharmaceuticals Inc.Inventor: Larry Davis
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Patent number: 4980365Abstract: There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen or loweralkyl; R.sub.2 is loweralkyl, arylloweralkyl, diarylloweralkyl or --CH.sub.2 CHOHCH.sub.2 OR.sub.5, R.sub.5 being aryl, or alternatively --NR.sub.1 R.sub.2 taken together is ##STR2## R.sub.6 being aryl, arylloweralkyl, diarylloweralkyl, ##STR3## and R.sub.3 and R.sub.4 are each independently methoxy or hydroxy, which compounds are useful as analgesic and hypotensive agents.Type: GrantFiled: July 13, 1987Date of Patent: December 25, 1990Assignee: Hoechst-Roussel Pharmaceuticals Inc.Inventor: Larry Davis
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Patent number: 4954515Abstract: The present invention is novel nitroimidazoles useful as radiosensitizing or chemosensitizing agents in the treatment of hypoxic tumor cells. Also, the present invention is a novel process for preparing both known and novel nitroimidazoles having novel intermediates. The process advantageously reduces the number of process steps, provides increased yield with both greater safety and greater control of stereo-isomerism in the products.Type: GrantFiled: November 25, 1988Date of Patent: September 4, 1990Assignee: Warner-Lambert CompanyInventor: Mark J. Suto
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Patent number: 4898874Abstract: 3-Aryl-2,1-benzisoxazole compounds having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or methyl;R.sup.3 and R.sup.4 are hydroxyl, loweralkoxy, amino or --OM wherein M is a pharmaceutically acceptable cation;X is hydrogen, halogen, loweralkyl or nitro;Y is selected from hydrogen, halogen, loweralkyl, loweralkoxy, nitro or trifluoromethyl;n and p are zero or one with the proviso that either n or p must be oneare disclosed, having anti-inflammatory activity and novel intermediates in the preparation thereof.Type: GrantFiled: September 15, 1986Date of Patent: February 6, 1990Assignee: A. H. Robins Company, Inc.Inventors: David A. Walsh, Ibrahim M. Uwaydah
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Patent number: 4859692Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: April 16, 1986Date of Patent: August 22, 1989Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying Kwong Yee
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Patent number: 4859691Abstract: Disclosed are 1,2-benzisoxazole and 1,2-benzisothiazole derivatives represented by formula I ##STR1## wherein X represents oxygen or sulfur; Z rep;esents carbon (CH) so as to complete the imidazol-1-yl ring radical or Z represents nitrogen (N) so as to complete the 1,2,4-triazol-1-yl ring radical; R.sub.1 represents hydrogen, lower alkenyl, lower alkynyl, aryl-lower alkyl or lower alkyl; R.sub.2 represents hydrogen, lower alkenyl, lower alkynyl, aryl-lower alkyl or lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylene; or R.sub.1 combined with R.sub.5 located on the Z-carbon atom of the imidazolyl radical represents C.sub.2 -C.sub.4 -alkylene; R.sub.3 and R.sub.4 independently represent hydrogen, lower alkyl, cycloalkyl, halogen, trifluoromethyl, cyano, nitro, amino, hydroxy, lower alkanoyloxy, carbocyclic aroyloxy, lower alkoxy, or carbocyclic aryl; or R.sub.3 and R.sub.4, together when located on adjacent carbon atoms, represent lower alkylenedioxy; or R.sub.3 and R.sub.Type: GrantFiled: July 8, 1987Date of Patent: August 22, 1989Assignee: Ciba-Geigy CorporationInventor: Robert M. Bowman
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Patent number: 4791123Abstract: There are provided new alkane and alkoxyalkane derivatives of the general formula I ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and A have the meanings given in the description, processes for their preparation and insecticidal and acaricidal compositions containing these compounds.Type: GrantFiled: January 22, 1987Date of Patent: December 13, 1988Assignee: Schering Akt.Inventors: Helga Franke, Heinrich Franke, Hans-Rudolf Kruger, Hartmut Joppien, Dietrich Baumert, David Giles
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Patent number: 4791209Abstract: Novel furobenzisoxazole derivatives of the formula (I): ##STR1## (wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 which may be the same or different represent a hydrogen atom, a halogen atom, or a lower alkyl group having 1-4 carbon atoms; R.sub.5 is a hydroxymethyl group, a carboxyl group or a lower alkoxy carbonyl group having 1-3 carbon atoms; and X is a sulfur atom or a --CH.dbd.CH-- group), as well as intoxic salts thereof when R.sub.5 is a carboxyl group, and process for preparing the same are disclosed.The derivatives of formula (I) and nontoxic salts thereof have hypotensive, uricosuric and diuretic activities and hence ae useful as therapeutics for treating hyperuricemia, edema and hypertension.Type: GrantFiled: May 6, 1986Date of Patent: December 13, 1988Assignee: Chugai Seiyako Kabushiki KaishaInventors: Haruhiko Sato, Hiroshi Koga, Takashi Dan, Etsuro Onuma
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Substituted pyrazolin-5-ones, composition containing them, and method of combating fungi or bacteria
Patent number: 4767775Abstract: Microbicidal substituted pyrazolin-5-ones of the formula ##STR1## in which R.sup.1 and R.sup.2 independently of one another each represent hydrogen, alkyl, alkenyl, alkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxycarbonyl, hydroxycarbonylalkyl, alkoxycarbonylalkyl, aminocarbonylalkyl, alkylaminocarbonylalkyl or dialkylaminocarbonylalkyl, or represent in each case optionally substituted oxiranylalkyl, aralkyl, heterocyclyl or aryl andHet represents an optionally substituted heterocyclic radical.Intermediates therefor of the formula ##STR2## in which R is alkyl, are also disclosed.Type: GrantFiled: July 24, 1986Date of Patent: August 30, 1988Assignee: Bayer AktiengesellschaftInventors: Klaus Jelich, Wilhelm Brandes, Gerd Hanssler, Paul Reinecke -
Patent number: 4732906Abstract: Dioxolobenzisoxazole derivatives of the formula ##STR1## wherein R.sub.1 is a phenyl group which may be substituted with a halogen atom, a lower alkyl group having 1-3 carbon atoms or a lower haloalkyl group, or a thienyl group; R.sub.2 is a hydrogen atom or a lower alkyl group having 1-4 carbon atoms; and X and Y which may be the same or different represent a hydrogen atom or a halogen atom, as well as non-toxic salts thereof wherein R.sub.2 is a hydrogen atom, a process for preparing the same and a pharmaceutical composition containing the same are disclosed.The derivatives have diuretic and uricosuric activities and, therefore, are useful as a drug for treating hyperuricemia or hypertension.Type: GrantFiled: March 18, 1986Date of Patent: March 22, 1988Assignee: Chugai Seiyaki Kabushiki KaishaInventors: Hiroshi Koga, Takashi Dan, Haruhiko Sato, Etsuro Onuma
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Patent number: 4728662Abstract: Novel 1,2-benzisoxazoloxyacetic acids and related compounds, methods for preparing same and methods of treatment by administering compositions containing such a compound are described. These compounds are useful as diuretic, uricosuric and antihypertensive agents.Type: GrantFiled: February 9, 1987Date of Patent: March 1, 1988Assignee: Hoechst-Roussel Pharmaceuticals Inc.Inventors: Gregory M. Shutske, Linda L. Setescak, Richard C. Allen
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Patent number: 4728651Abstract: There are described compounds of the formula ##STR1## where X is O or NR, R being hydrogen or loweralkyl; R.sub.1 is hydrogen; and R.sub.2 is loweralkyl, arylloweralkyl, aryloxyloweralkyl or loweralkyl substituted with ##STR2## or alternatively --NR.sub.1 R.sub.2 taken together is ##STR3## R.sub.3 being arylloweralkyl or a pharmaceutically acceptable acid addition salt thereof, which are useful as ocular or systemic antihypertensive agents.Type: GrantFiled: October 24, 1985Date of Patent: March 1, 1988Assignee: Hoechst-Roussel Pharmaceuticals Inc.Inventors: Helen H. Ong, Christine M. Yasenchak
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Patent number: 4602028Abstract: Novel (1,2-benzisoxazol)sulfinylalkanoic and -sulfonylalkanoic acids and derivative compounds, methods for preparing them and methods of treatment administering compositions containing the compounds which are useful as antihypertensives.Type: GrantFiled: December 14, 1983Date of Patent: July 22, 1986Assignee: Hoechst-Roussel Pharmaceuticals, Inc.Inventors: Richard C. Effland, Frank A. Pierrat
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Patent number: 4591586Abstract: Novel 6-fluoro-3-[3-(1-heterocyclo)propyl]-1,2-benzisoxazoles, processes for the preparation thereof, and methods of treating psychoses, alleviating pain and reducing blood pressure employing the compounds and compositions thereof are disclosed. 3-{3-[N-(1-Piperidino)]aminopropyl}-6-fluoro-1,2-benzisoxazole, processes for the preparation thereof, and methods of treating pyschoses and alleviating pain employing the compound and compositions thereof are also disclosed.Type: GrantFiled: April 23, 1984Date of Patent: May 27, 1986Assignee: Hoechst-Roussel PharmaceuticalsInventors: Larry Davis, Joseph T. Klein
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Patent number: 4576956Abstract: New (2-propynylamino)isoxazole and (3-iodo-2-propynylamino)isoxazole derivatives having anti-microbial activity which are used as active ingredients in anti-microbial compositions for medical use, for agricultural use and also for veterinary use.Type: GrantFiled: September 9, 1983Date of Patent: March 18, 1986Assignee: Shionogi & Co., Ltd.Inventors: Yasuo Makisumi, Akira Murabayashi, Katsuya Tawara, Yoshihachi Watanabe, Toshio Takahashi, Takao Konishi
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Patent number: 4560558Abstract: Disclosed are compounds of the formula: ##STR1## wherein X is hydrogen, loweralkyl, loweralkoxy or halo, Y is hydroxymethyl, carboxyl, carboxamido or carboloweralkoxy, and R is cyclohexyl, benzyl, norbornyl, loweralkyl, or a pharmaceutically acceptable salt thereof.The compounds are effective as diuretic agents.Type: GrantFiled: May 16, 1983Date of Patent: December 24, 1985Assignee: Abbott LaboratoriesInventors: James A. Parks, Jacob J. Plattner
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Patent number: 4507309Abstract: A treating agent whose effective ingredient is an anthranyl derivative of the formula: ##STR1## (wherein R.sub.1 and R.sub.2 may be the same or different and represent a hydrogen atom, a hydroxyl group, a lower alkoxy group, preferably C.sub.1 -C.sub.3 alkoxy group, a lower alkyl group, preferably C.sub.1 -C.sub.3 alkyl group, a nitro group or a halogen atom) is disclosed.Type: GrantFiled: April 12, 1982Date of Patent: March 26, 1985Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Shin-ichi Kaiho, Koji Mizuno, Shun-ichi Hata, Masuo Koizumi, Masamitsu Honda, Yasushi Murakami, Shigeru Takanashi, Minoru Shindo