Plural Ring Chalcogens In The Tetracyclo Ring System Patents (Class 546/65)
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Patent number: 4837328Abstract: A diastereoselective process for known antidepressive compounds (I) via reduction of the corresponding alcohol (VII): ##STR1## whereby the product mixture of diastereomers is surprisingly and unexpectedly rich in the content of the trans configuration (II) over the cis configuration (III) as defined in the following formulae: ##STR2## The preferred reaction conditions include use of a borane complex as the reducing agent and an acidic solvent such as trifluoroacetic acid.Type: GrantFiled: February 16, 1988Date of Patent: June 6, 1989Assignee: McNeilab, Inc.Inventors: Bruce E. Maryanoff, Cynthia A. Maryanoff, David F. McComsey, Kirk L. Sorgi
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Patent number: 4810708Abstract: Novel polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives are disclosed which are useful for treating allergic reactions, inflammation, peptic ulcers, hypertension, and hyperproliferative skin diseases and for suppressing the immune response in mammals. Methods for preparing said compounds are also disclosed.Type: GrantFiled: February 17, 1987Date of Patent: March 7, 1989Assignee: Schering CorporationInventors: Ashit K. Ganguly, Richard J. Friary, John H. Schwerdt, Marvin I. Siegel, Sidney R. Smith, Vera A. Seidl, Edmund J. Sybertz
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Patent number: 4766217Abstract: 5,6,-dihydro-pyrrolo[2,1-a]isoquinolines of the formula ##STR1## are prepared by heating a 1-(3-furyl)-3,4-dihydro-isoquinoline of the formula ##STR2## in a primary or secondary amine to at least 80.degree. C. for several hours, the amine is removed, the reaction product is treated with dilute acid, and the reaction product is purified and isolated.Type: GrantFiled: June 16, 1987Date of Patent: August 23, 1988Assignee: Boehringer Ingelheim KGInventors: Walter Losel, Otto Roos, Gerd Schnorrenberger
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Patent number: 4721787Abstract: A process for the preparation of a compound of the formula ##STR1## having a trans 4a,10b-ring junction wherein X represents oxygen or sulfur; ring A is substituted by lower alkoxy; R represents lower alkyl; R.sub.1 -R.sub.5 represent hydrogen; which comprises (a) condensing the corresponding 2H[1]-benzopyran-3-one with the corresponding carboxy protected 3-aminopropanoic acid, (b) reducing and dehydrating the resultant product, and reducing the resulting double bond to a compound of formula I.Type: GrantFiled: September 26, 1985Date of Patent: January 26, 1988Assignee: Ciba-Geigy CorporationInventor: Alan J. Hutchison
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Patent number: 4705857Abstract: Indole derivatives of formula I ##STR1## R is hydrogen, one or two halogen atoms or one or two organic radicals in the 4-, 5-, 6- or 7-position(s),R.sup.1 and R.sup.4 are the same or different and each is hydrogen, alkyl of 1 to 3 carbon atoms or alkoxyalkyl of 1 to 3 carbon atoms in each of the alkoxy and alkyl portions,R.sup.3 is phenyl, --COOalkyl, --PO.sub.3 (alkyl).sub.2, --SO.sub.2 aryl, --SO.sub.2 alkyl, ##STR2## each of 1 to 3 carbon atoms in each alkyl group, and A and B each independently is alkyl of 1 to 3 carbon atoms or together with the connecting N-atom form a pyrrolidono, piperidino, morpholino or piperazino group,are valuable intermediates for preparing valuable tryptophans and .beta.-carbolines.Type: GrantFiled: October 28, 1983Date of Patent: November 10, 1987Assignee: Schering AktiengesellschaftInventor: Helmut Biere
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Patent number: 4705856Abstract: .beta.-carbolines of formula I ##STR1## can be prepared by reacting an indole of formula II: ##STR2## with an azabutadiene of formula III ##STR3## in the presence of an acid at 50.degree.-200.degree. C.Type: GrantFiled: October 28, 1983Date of Patent: November 10, 1987Assignee: Schering AktiengesellschaftInventor: Helmut Biere
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Patent number: 4694085Abstract: The invention relates to 5,6-dihydro-pyrrolo[2,1-a]isoquinolines of the formula ##STR1## wherein R, R.sup.2, R.sup.3, and R.sup.7, which may be identical or different, each represent a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms;R.sup.1 represents a cyano, hydroxycarbonyl, or alkoxycarbonyl group having from 1 to 4 carbon atoms or a primary or secondary, substituted or unsubstituted, aliphatic, cycloaliphatic, araliphatic, aromatic, or heterocyclic aminocarbonyl group;R.sup.4 and R.sup.8, which may be identical or different, each represent a hydrogen atom, a hydroxyl group, an alkoxy or alkylthio group having up to 4 carbon atoms, or an NR.sup.9 R.sup.10 group;R.sup.5 and R.sup.6, which may be identical or different, each represent a hydroxy atom or an alkoxy or alkylthio group having from 1 to 4 carbon atoms, or together represent an --O--CH.sub.2 --O--, --O--CH.sub.2 --CH.sub.2 --O--, or --O--CH.dbd.CH--O group;R.sup.Type: GrantFiled: March 24, 1986Date of Patent: September 15, 1987Assignee: Boehringer Ingelheim KGInventors: Walter Losel, Otto Roos, Gerd Schnorrenberger
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Patent number: 4666916Abstract: Disclosed are the compounds of the formula ##STR1## wherein X represents oxygen (O) or sulfur (S); ring A is unsubstituted or substituted by one substituent or by two or three identical or different substituents selected from hydroxy, etherified hydroxy, acyloxy, halogen, lower alkyl and trifluoromethyl; or ring A is substituted on adjacent carbon atoms by one lower alkylenedioxy; R represents hydrogen, lower alkyl, aryl-lower alkyl, lower alkenyl, lower alkynyl, aroyl-lower alkyl or aryl-lower alkyl; R.sub.1 represents hydrogen, lower alkyl, lower alkylthio-lower alkyl, aryl-lower alkylthio-lower alkyl, (amino, mono- or di-lower alkylamino)-lower alkyl, acylamino-lower alkyl, (hydroxy, acyloxy or etherified hydroxy)-lower alkyl, or cyano-lower alkyl; R.sub.2 -R.sub.7 represent hydrogen or lower alkyl; and pharmaceutically acceptable salts thereof; which are useful as serotonin-2 receptor antagonists in mammals.Type: GrantFiled: November 8, 1985Date of Patent: May 19, 1987Assignee: Ciba-Geigy CorporationInventor: Josef A. Schneider
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Patent number: 4659734Abstract: A compound of the formula ##STR1## R.sub.1 is hydrogen, alkali metal, alkaline earth metal, lower alkyl, pivaloyloxymethyl or phthalidyl;R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are the same or different and are hydrogen, halogen, lower alkoxy or ##STR2## wherein R.sub.6 and R.sub.7 are lower alkyl or R.sub.6 and R.sub.7 together with the nitrogen atom to which they are attached form a five- to seven-membered unsubstituted or substituted heterocyclic ring containing said nitrogen atom as the sole hetero atom or containing nitrogen, sulfur or oxygen as additional hetereo atoms;A is a saturated or unsaturated hydrocarbon chain of one to five carbon atoms, unsubstituted or substituted by lower alkyl; lower alkoxy; lower alkylthio; hydroxy; halogen; lower alkyl substituted by halogen, amino, loweralkoxycarbonyl, carboxy, lower-alkoxy, loweralkylthio, loweracyloxy or hydroxy; loweralkylamino; carboxy; nitro; cyano; carbonyl; imino; or by substituted or unsubstituted phenyl, phenylthio, phenylamino or phenoxy; andR.Type: GrantFiled: August 15, 1983Date of Patent: April 21, 1987Assignee: Nippon Shinyaku Co., Ltd.Inventors: Hiroshi Enomoto, Masahiro Kise, Masakuni Ozaki, Masahiko Kitano, Iwao Morita
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Patent number: 4638068Abstract: There are provided novel 2-(2-imidazolin-2-yl)pyridine and quinoline compounds, a process and intermediate compounds for the preparation thereof, and a method for controlling a wide variety of annual and perennial plant species therewith.Type: GrantFiled: May 25, 1982Date of Patent: January 20, 1987Assignee: American Cyanamid CompanyInventor: Marinus Los
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Patent number: 4623380Abstract: Compounds of the formula ##STR1## in which A denotes C-R.sup.4 or N; X denotes alkyl and Y denotes alkyl, cycloalkyl, alkenyl, alkynyl, phenyl or benzoyl, or, together with X, cycloalkyl; R.sup.1 -R.sup.4 denote H, alkyl, alkoxy, alkoxycarbonyl, halogen, NO.sub.2, CN, phenoxy or (substituted) phenyl; R.sup.5 denotes H or alkyl; and R.sup.6 denotes H, (substituted) alkyl, halogenoalkenyl, cycloalk(en)yl, alkynyl, (substituted) phenyl or carboxylic acid ester, carboxylic acid amide, sulfo-ester or acyl radicals, are effective plant treatment agents, in particular herbicides.Type: GrantFiled: February 1, 1985Date of Patent: November 18, 1986Assignee: Hoechst AktiengesellschaftInventors: Roland Schmierer, Reinhard Handte, Hilmar Mildenberger, Klaus Bauer, Hermann Bieringer, Helmut Burstell
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Patent number: 4604397Abstract: Disclosed are the compounds of formula I ##STR1## wherein X represents oxygen or sulfur; ring A is unsubstituted or substituted by one to three identical or different substituents selected from hydroxy, hydroxy-lower alkyl, etherified hydroxy, etherified hydroxy-lower alkyl, acyloxy, acyloxy-lower alkyl, halogen, lower alkyl, trifluoromethyl, amino, mono- and di-lower alkylamino and acylamino; or ring A is substituted by one lower alkylenedioxy; R represents hydrogen, lower alkyl or aryl-lower alkyl; R.sub.1 represents hydrogen, lower alkyl, lower alkylthio-lower alkyl, amino, acylamino, (amino, mono- or di-lower alkylamino)-lower alkyl, carboxy, lower alkoxycarbonyl, carbamoyl or mono- or di-lower alkylcarbamoyl; R.sub.2 to R.sub.5 represent hydrogen or lower alkyl; the dehydro derivatives thereof with a double bond at the 1,2-position, or at the 1,10b-position in which case R.sub.Type: GrantFiled: September 3, 1985Date of Patent: August 5, 1986Assignee: Ciba-Geigy CorporationInventor: Alan J. Hutchison
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Patent number: 4552874Abstract: The invention relates to pyrazolooxazines, pyrazolothiazines and pyrazoloquinolines defined herein by Formula I. The invention also includes compositions containing said Formula I compounds and methods for the use of said compounds and compositions for their lipoxygenase-inhibiting properties. Also included in the invention are methods for the manufacture of said compounds of Formula I.Type: GrantFiled: February 1, 1983Date of Patent: November 12, 1985Assignee: Bayer AktiengesellschaftInventors: Mithat Mardin, Rudolf Sundermann, Friedrich Hoffmeister, Wolf-Dieter Busse, Harald Horstmann, Siegfried Raddatz
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Patent number: 4517183Abstract: The present invention provides pharmaceutical compositions containing N-substituted aziridine-2-carboxylic acid derivatives of the general formula: ##STR1## wherein X is a carboxyl, a cyano, an alkoxycarbonyl or an optionally substituted carbamoyl radical, R is a hydrogen atom, an aliphatic hydrocarbon radical which is saturated or can contain one or more unsaturations and can be substituted one or more times by halogen, alkoxy, hydroxyl, dialkylamino, dialkylaminoxy, cycloalkylamino, acylamino, acyl, nitro, alkylthio, alkylsulphinyl, alkylsulphonyl, cyano, carboxyl, alkoxycarbonyl or carbamoyl or by cycloalkyl or cycloalkenyl radicals optionally carrying alkyl, alkoxy or alkoxycarbonyl radicals, optionally interrupted by hetero atoms and optionally bridged, or by an aryl, hetaryl, aryloxy, arylthio, acyloxy, alkoxycarbonylamino or isothioureido radical, or R is a cycloalkyl or cycloalkenyl radical optionally substituted by alkyl, alkoxy or oxo groups, optionally interrupted by hetero atoms and optionally briType: GrantFiled: May 17, 1983Date of Patent: May 14, 1985Assignee: Boehringer Mannheim GmbHInventors: Elmar Bosies, Wolfgang Kampe, Max Thiel, Uwe Bicker, Dietmar Boerner
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Patent number: 4503066Abstract: The invention provides various medical compositions for use in treating or preventing certain of the side effects of diabetes or galactosemia. The active ingredients are selected from a series of novel aldose reductase inhibitory spiro-linked pyrrolidine-2,5-diones of the general formula: ##STR1## or a pharmaceutically acceptable salt, or a non-toxic, biodegradable precursor thereof. Processes for the production of these compounds are also provided. A particular compound suitable for use as an active ingredient is spiro[pyrrolidine-3,9'-xanthene]-2,5-dione.Type: GrantFiled: May 11, 1982Date of Patent: March 5, 1985Assignee: Imperial Chemical Industries PLCInventors: David R. Brittain, Robin Wood
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Patent number: 4496569Abstract: (1H-Tetrazol-5-yl)tetrazolo[1,5-a]quinolines and related compounds which are useful as antiallergic agents are described herein. The compounds are prepared by the reaction of an appropriate halocyanoquinoline or isoquinoline with ammonium chloride and an azide such as sodium azide in an inert solvent such dimethylformamide.Type: GrantFiled: March 25, 1983Date of Patent: January 29, 1985Assignee: The Dow Chemical CompanyInventor: Terry L. Wright
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Patent number: 4465691Abstract: Pyrido (3,4', 4,5) furo (3,2-g) coumarins or pyrido (3,4-h) psoralens having formula I ##STR1## wherein R is a hydrogen radical or a lower alkyl group having from 1 to 4 carbon atoms and R" is a methyl group or a methoxy group. These compounds are photobiologically active and are useful or medicinals and pharmaceutical compositions in association with ultraviolet radiation for treating skin diseases and as cosmetic compositions for skin pigmentation.Type: GrantFiled: February 24, 1983Date of Patent: August 14, 1984Assignee: Institut National de la Sante et de la Recherche MedicaleInventors: Emile Bisagni, Jacqueline Morin, Dietrich Averbeck, Dubertret Louis
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Patent number: 4464354Abstract: Monofunctional psoralen derivatives having the general formula ##STR1## wherein R represents a hydrogen atom, a lower alkyl group having from 1 to 4 atoms, preferably a methyl radical, or a lower alkoxy radical having from 1 to 4 carbon atoms, preferably a methoxy radical are described. The derivatives are photobiologically active and are useful in photochemical therapy and in cosmetics.Type: GrantFiled: February 24, 1983Date of Patent: August 7, 1984Assignee: Institut National de la Sante et de la Recherche MedicaleInventors: Emile Bisagni, Louis Dubertret, Jacqueline Moron, Dietrich Averbeck, Dora Papadopoulo, Jocelyne Blais, Paul Vigny, Maria N. Schwencke, Ethel Moustacchi, Silvano Nocentini, Francois Zajdela
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Patent number: 4440768Abstract: Pyrrolo [3,4-c]quinolines are described which have various substitutions at the 2, 4, 5, 6, 7, 8 and 9 positions. The group of compounds has been found to possess unexpected pharmaceutical utilities including antipsychotic, analgesic and antidepressant activities. Also set forth are various methods of making the compounds as well as pharmaceutical compositions containing them.Type: GrantFiled: July 8, 1982Date of Patent: April 3, 1984Assignee: ICI Americas inc.Inventor: Howard S. Shapiro
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Patent number: 4426381Abstract: Quinolinecarboxylic acid derivatives, such as compound 7-fluoro-8-(4-methyl-1-piperazinyl)-5-oxo-1,2-dihydro-5H-thiazolo(3,2-a)-q uinoline-4-carboxylic acid, a pharmaceutical composition containing the same and methods of treatment of bacterial and fungal infections using the same.Type: GrantFiled: February 12, 1982Date of Patent: January 17, 1984Assignee: Nippon Shinyaku Co., Ltd.Inventors: Shingo Matsumura, deceased, Masahiro Kise, Masakuni Ozaki, Shinichi Tada, Kenji Kazuno, Hisao Watanabe, Katsutoshi Kunimoto, Masami Tsuda
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Patent number: 4404138Abstract: Anticholinergic 3-[2-(azabicyclo)ethyl]-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-c]pyridin -5-ones useful for treating bronchospastic diseases in mammals are disclosed. Also disclosed are methods for preparing said compounds, pharmaceutical compositions containing them and methods for using said pharmaceutical compositions.Type: GrantFiled: June 22, 1982Date of Patent: September 13, 1983Assignee: Warner-Lambert CompanyInventors: David T. Connor, Charles F. Schwender, Roderick J. Sorenson, Paul C. Unangst
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Patent number: 4382939Abstract: Anticholinergic 3-[2-(mono- and dialkylamino)-propyl]-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-c]-pyridin- 5-ones useful for treating bronchospastic diseases in mammals are disclosed. Also disclosed are methods for preparing said compounds, pharmaceutical compositions containing them and methods for using said pharmaceutical compositions.A method for preparing the intermediate which is required to prepare the unsubstituted benzopyrano-[3,4-c]pyridin-5-ones of the invention is also disclosed.Type: GrantFiled: February 23, 1982Date of Patent: May 10, 1983Assignee: Warner Lambert CompanyInventors: David T. Connor, Charles F. Schwender, Roderick J. Sorenson, Paul C. Unangst
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Patent number: 4350634Abstract: The invention provides indole compounds useful for the treatment of hypertension, processes for the preparation of said compounds and pharmaceutical compositions containing these compounds.The compounds of the invention have the formula ##STR1## wherein n is 2 or 3, A is 1,4-cyclohexylidene or trimethylene and R.sub.1 is H or alkyl, or A together with NR.sub.1 is 4-piperidyl, R.sub.2 is hydrogen or alkyl, R.sub.3 is alkyl, cycloalkyl, amino, alkylamino, dialkylamino, phenylamino, unsubstituted or substituted phenyl or benzyl, pyridylmethyl or an heterocycle, R.sub.4 is hydrogen, chlorine, bromine or alkyl, R.sub.5 is hydrogen, alkyl, alkoxy or alkylthio, and X is --CO-- or --CS.Type: GrantFiled: January 11, 1980Date of Patent: September 21, 1982Assignee: Sandoz Ltd.Inventors: Paul Stadler, Franz Troxler
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Patent number: 4350814Abstract: Pyrrolo [3,4-c]quinolines are described which have various substitutions at the 2, 4, 5, 6, 7, 8 and 9 positions. The group of compounds has been found to possess unexpected pharmaceutical utilities including antipsychotic, analgesic and antidepressant activities. Also set forth are various methods of making the compounds as well as pharmaceutical compositions containing them.Type: GrantFiled: January 8, 1981Date of Patent: September 21, 1982Assignee: ICI Americas Inc.Inventor: Howard S. Shapiro
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Patent number: 4342871Abstract: An antiphlogistic compound of the formula (I) ##STR1## or a pharmaceutically effective salt thereof wherein R.sup.1 and R.sup.2 are hydrogen or C.sub.1-4 alkoxy or together form a methylenedioxy group;R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are hydrogen or a group of the formula --CH.sub.2 --(CH.sub.2).sub.n -R.sup.7 with the proviso that at least one of R.sup.3, R.sup.4, R.sup.5 and R.sup.6 is other than hydrogen;R.sup.7 is a carboxylic group or a carboxylic acid derivative group; n=0, 1 or 2, provided that if R.sup.3, R.sup.4 and R.sup.5 are hydrogen and R.sup.7 in the group R.sup.6 is cyano or alkoxycarbonyl, and n=1, then R.sup.1 and R.sup.2 are hydrogen, C.sub.2-4 alkoxy, or together form a methylenedioxy group.Type: GrantFiled: November 24, 1976Date of Patent: August 3, 1982Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RtInventors: Csaba Szantay, Lajos Szabo, Laszlo Toke, Istvan Toth, Sandor Virag, Erzsebet Kanyo, Agoston David
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Patent number: 4335129Abstract: Nitrogen containing heterocyclic compounds shown by the formula ##STR1## wherein Y represents an oxygen atom, a sulfur atom, or a group shown by ##STR2## (wherein m is 1 or 2); n represents 0 or 1; R.sub.1 and R.sub.4, which may be the same or different, each represents a hydrogen atom, a lower alkyl group, or a lower alkenyl group; R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom, a hydroxyl groups, a lower alkanoyloxy group, a lower alkyl group or a lower alkenyl group; said R.sub.2 and R.sub.3 may further form together a double bond; R.sub.5 and R.sub.6, which may be the same or different, each represents by hydrogen atom, a halogen atom, a hydroxyl group, a nitro group, an amino group, a lower alkoxy group, a mono or di lower alkylamino group, or a lower alkyl group; said R.sub.5 and R.sub.6 may further form together a lower alkylenedioxy group; and R.sub.Type: GrantFiled: January 28, 1981Date of Patent: June 15, 1982Assignee: Yamanouchi Pharmaceutical Co. Ltd.Inventors: Kazuo Kubo, Noriki Ito, Isao Souzu, Yasuo Isomura, Hiroshige Homma
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Patent number: 4304913Abstract: Disclosed are trans-2-substituted-amido-hexahydrobenzo[a]quinolizines represented by the formula: ##STR1## In the above formula, R.sup.1 and R.sup.2 are independently --H or --OCH.sub.3 or when taken together are ##STR2## R.sup.3 is --H or --CH.sub.3 and R.sup.4 is ##STR3## These compounds, and their pharmacologically acceptable, non-toxic, acid addition salts are useful as anti-hypertensive agents.Type: GrantFiled: October 2, 1980Date of Patent: December 8, 1981Assignee: Miles Laboratories, Inc.Inventors: Herbert J. Havera, Wallace G. Strycker
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Patent number: 4210650Abstract: 2-oxo-3-(.beta.-cyanoethyl)-9,10-methylenedioxy-1,2,3,4,6,7-hexahydro-11bH- benzo(a)quinolizidine (SC-118) especially and the corresponding 9,10-diethoxy compound are superior antiphlogistics which are used in effective amounts in antiphlogistic therapy.Type: GrantFiled: February 21, 1979Date of Patent: July 1, 1980Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.Inventors: Csaba Szantay, Lajos Szabo, Laszlo Toke, Istvan Toth, Sandor Virag, Erzsebet Kanyo, Agoston David
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Patent number: 4163844Abstract: Novel nitrogen-containing heterocyclic compounds shown by the formula ##STR1## wherein Y represents an oxygen atom, a sulfur atom, or a group shown by ##STR2## (wherein m is 1 or 2); n represents 0 or 1; R.sub.1 and R.sub.4, which may be the same or different, each represents a hydrogen atom, a lower alkyl group, or a lower alkenyl group; R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom, a hydroxyl group, a lower alkanoyloxy group, a lower alkyl group or a lower alkenyl group; said R.sub.2 and R.sub.3 may further form together a double bond; R.sub.5 and R.sub.6, which may be the same or different, each represents a hydrogen atom, a halogen atom, a hydroxyl group, a nitro group, an amino group, a lower alkoxy group, a mono or di lower alkylamino group, or a lower alkyl group; said R.sub.5 and R.sub.6 may further form together a lower alkylenedioxy group; and R.sub.Type: GrantFiled: December 19, 1977Date of Patent: August 7, 1979Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Kazuo Kubo, Noriki Ito, Isao Souzu, Yasuo Isomura, Hiroshige Homma