Nitrogen Or Chalcogen Attached Indirectly To The Thiazole Ring By Nonionic Bonding Patents (Class 548/214)
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Patent number: 4288437Abstract: Compounds of the formula ##STR1## wherein Ar is phenyl; mono- or di-substituted phenyl, where the substituents are one to two halogens, one to two alkyls of 1 to 3 carbon atoms, or one amino, nitro, cyano or trifluoromethyl; or pyridinyl;R is hydrogen, chlorine, methyl or methoxy;R.sub.1 is hydrogen or methyl;R.sub.2 is hydrogen, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkynyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, methyl-(cycloalkyl of 3 to 8 carbon atoms) or --A--R.sub.4,where A is alkylene of 2 to 3 carbon atoms, and R.sub.4 is hydroxyl, methylamino, dimethylamino, N-methyl-ethylamino, diethylamino, pyrrolidino, piperidino, hexamethyleneimino, morpholino or 4-methyl-1-piperazinyl; orR.sub.1 and R.sub.Type: GrantFiled: July 28, 1980Date of Patent: September 8, 1981Assignee: Boehringer Ingelheim GmbHInventors: Wolfhard Engel, Gunter Trummlitz, Ernst Seeger, Joachim Kahling
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Patent number: 4285952Abstract: Bisamidines carrying one unsaturated nitrogen heterocycle-containing substituent, representative of which is 1-[N'-(2-(5-methyl-4-imidazolyl)methylthio)ethyl)guanidino]-8-[N'-methylgu anidino]octane, are histamine H.sub.2 -antagonists.Type: GrantFiled: November 13, 1979Date of Patent: August 25, 1981Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Peter D. Miles
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Patent number: 4284781Abstract: Vanadia supported on a silica-alumina or gamma-alumina support in an amount to provide a vanadia to support weight ratio ranging from about 0.3:1 to about 3:1 substantially entirely within the pores of the support, the vanadia having been placed in molten form substantially within the pores of a support having a surface area greater than about 50 m.sup.2 gram, a porosity greater than about 0.4 cc/gram which further includes an alkali metal, with the vanadium metal to alkali metal mole ratio being from 2:1 to 30:1. At least a portion of the alkali metal is preferably in the form of alkali metal vanadate. The catalyst is used for the production of nitriles from a compound containing at least one alkyl group.Type: GrantFiled: March 2, 1978Date of Patent: August 18, 1981Assignee: The Lummus CompanyInventor: Morgan C. Sze
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Patent number: 4284632Abstract: New 3-cyclicaminoalkoxy-4-phenyl-3-pyrrolin-2-ones are disclosed. These compounds exhibit anti-hypertensive and vasodilatory action.Type: GrantFiled: September 14, 1979Date of Patent: August 18, 1981Assignee: Warner-Lambert CompanyInventors: Gerhard Satzinger, Manfred F. Herrmann, Gustav Hechtfischer
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Patent number: 4282028Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are alkyl or halo; R.sup.3 is hydrogen or alkyl; Z is halo; and R.sup.4 is alkoxycarbonyl, alkoxy, phenyl, substituted phenyl,a group of the formula ##STR2## wherein R.sup.5 and R.sup.6 are hydrogen, alkyl, alkenyl or alkynyl; a group of the formula ##STR3## wherein R.sup.7 and R.sup.8 are hydrogen and alkyl; a five or six-membered aromatic heterocyclic ring of the formula ##STR4## wherein at least one of V, W, X or Y is an oxygen, sulfur or nitrogen atom, R.sup.9 is alkyl and n is 0, 1, 2 or 3 have herbicidal and plant-growth-regulating activity.Type: GrantFiled: July 25, 1979Date of Patent: August 4, 1981Assignee: Chevron Research CompanyInventor: Stephen D. Ziman
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Patent number: 4282234Abstract: The compounds are N-(heterocyclomethylthioalkyl)derivatives of alkylguanidines, C-alkyl and C-aryl amidines and S-alkylisothioureas. The compounds may also have N'-lower alkyl or N'-(heterocyclomethylthioalkyl)substituents. Three compounds of the invention are S-methyl-N-[2-(5-methyl-4-imidazolylmethylthio)ethyl]isothiourea, N,N'-bis-[2-(5-methyl-4-imidazolymethylthio)ethyl]acetamidine, N,N'-bis-[2-(5-methyl-4-imidazolymethylthio)ethyl]N"-methylguanidine. The compounds of this invention are histamine H.sub.2 -antagonists.Type: GrantFiled: May 14, 1979Date of Patent: August 4, 1981Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Charon R. Ganellin, Rodney C. Young
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Patent number: 4281136Abstract: This disclosure relates to a novel class of 2-alkyl-3-haloisothiazolium salts. These salts have been found to be useful in controlling the growth of bacteria and fungi. They have also been found to be useful intermediates in the preparation of novel and known antibacterial and antifungal compounds.Type: GrantFiled: October 16, 1978Date of Patent: July 28, 1981Assignee: Givaudan CorporationInventors: Joseph A. Virgilio, Milton Manowitz, Emanuel Heilweil
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Patent number: 4279902Abstract: Acetamide derivatives are provided having the structure ##STR1## wherein X is a single bond, --CH.sub.2 -- or --O--, R.sup.1 and R.sup.2 may be the same or different and are lower alkyl, phenyl-lower alkoxy-lower alkyl, lower alkenyl, phenyl-lower alkyl or lower alkoxy, or ##STR2## may be taken together to form a 5- to 7-membered heterocyclic ring optionally containing one other hetero atom, such as nitrogen, sulfur or oxygen; Y is hydroxyl, OR wherein R is lower alkyl, lower alkenyl or lower alkanoyl, or ##STR3## wherein R.sup.1 and R.sup.2, and R.sup.1 and R.sup.2 taken together with the nitrogen to which they are attached are as defined above, and n is 1 to 6.These compounds are useful as anti-arrhythmia agents and have been found to be effective in the treatment of acute myocardial infarction.Type: GrantFiled: August 6, 1980Date of Patent: July 21, 1981Assignee: E. R. Squibb & Sons, Inc.Inventors: Frederic P. Hauck, Glenn A. Jacobs
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Patent number: 4279904Abstract: Novel 3-amino-1-benzoxepine derivatives and methods for their production are disclosed. These derivatives correspond to the Formula I ##STR1## wherein: R.sub.1 and R.sub.2 independently of one another arehydrogen,C.sub.1 -C.sub.5 alkyl,C.sub.1 -C.sub.5 alkyl substituted with a terminal phenyl, or a phenyl containing one or two halogens, methyl or methoxy groups, a 3,4-methylenedioxy or a 3,4-ethylenedioxy group,C.sub.2 -C.sub.5 alkyl substituted with terminal hydroxy or methoxy or,C.sub.3 -C.sub.4 alkenyl; orone of R.sub.1 and R.sub.2 are hydrogen or a C.sub.1 -C.sub.5 alkyl and the other is a C.sub.2 -C.sub.5 alkyl substituted with a terminal NR.sub.7 R.sub.8 ;R.sub.7 and R.sub.8 independently of one another are hydrogen or C.sub.1 -C.sub.5 alkyl; orR.sub.7 and R.sub.8 are together a 5 to 7 member ring or said ring having heterogeneous oxygen, sulfur or nitrogen, orR.sub.1 and R.sub.2 are together a 5 to 7 member ring or said ring having heterogeneous oxygen, sulfur or NR.sub.9 ;R.sub.Type: GrantFiled: July 28, 1980Date of Patent: July 21, 1981Assignee: Kali-Chemie Pharma GmbHInventors: Heinrich-Wilhelm Ohlendorf, Klaus-Ullrich Wolf, Wilhelm Kaupmann, Henning Heinemann
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Patent number: 4279905Abstract: Novel, 3-amino-1-benzoxepin-5 (2H)-one derivatives and methods for their production are disclosed. These derivatives correspond to the Formula I: ##STR1## wherein: R.sub.1 and R.sub.2 independently of one another arehydrogen,C.sub.1 -C.sub.5 alkyl,C.sub.1 -C.sub.5 alkyl substituted with a terminal phenyl, or a phenyl containing one or two halogens, methyl or methoxy groups, a 3,4-methylenedioxy or a 3,4-ethylenedioxy group,C.sub.2 -C.sub.5 alkyl substituted with terminal hydroxy or methoxy or,C.sub.3 -C.sub.4 alkenyl; orone of R.sub.1 and R.sub.2 are hydrogen or a C.sub.1 -C.sub.5 alkyl and the other is a C.sub.2 -C.sub.5 alkyl substituted with a terminal NR.sub.5 R.sub.6 ;R.sub.5 and R.sub.6 independently of one another are hydrogen or C.sub.1 -C.sub.5 alkyl; orR.sub.5 and R.sub.6 are together a 5 to 7 member ring, orR.sub.5 and R.sub.6 are together a 5 to 7 member ring having heterogeneous oxygen, sulfur or nitrogen;R.sub.1 and R.sub.2 are together a 5 to 7 member ring, orR.sub.1 and R.sub.Type: GrantFiled: July 28, 1980Date of Patent: July 21, 1981Assignee: Kali-Chemie Pharma GmbHInventors: Heinrich-Wilhelm Ohlendorf, Klaus-Ullrich Wolf, Wilhelm Kaupmann
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Patent number: 4279911Abstract: The invention relates to compounds of the general formula (I) ##STR1## and physiologically acceptable salts, N-oxides, hydrates and bioprecursors thereof, in which Y represents .dbd.O, .dbd.S, .dbd.CHNO.sub.2 or .dbd.NR.sub.3 where R.sub.3 represents hydrogen, nitro, cyano, lower alkyl, aryl, lower alkylsulphonyl or arylsulphonyl; R.sub.1 and R.sub.2, which may be the same or different, each represent hydrogen lower alkyl, cycloalkyl, lower alkenyl, aralkyl, hydroxy, lower trifluoroalkyl, lower alkyl substituted by hydroxy, lower alkoxy, amine, lower alkylamino or dialkylamino, or R.sub.1 and R.sub.2 together with the nitrogen atom to which they are attached form a 5 to 7 membered heterocyclic ring which may contain other heteroatoms or the group ##STR2## where R.sub.Type: GrantFiled: June 6, 1980Date of Patent: July 21, 1981Assignee: Glaxo Group LimitedInventors: Michael Martin-Smith, Barry J. Price, John Bradshaw, John W. Clitherow
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Patent number: 4268676Abstract: Compounds of the formula, I, ##STR1## wherein: Y is hydrogen or lower alkyl; and X is a thiazolamino radical, a furfurylamino radical or a radical of the formula, ##STR2## in which R, R.sup.1, and R.sup.2 are the same or different and selected from the group consisting of hydrogen and lower alkyl, and R.sup.3 is selected from the group consisting of lower alkenyl, halo-lower alkenyl, lower alkynyl, lower akloxycarbonyl, thienyl, formamyl, tetrahydrofuryl and benzene sulfonamide.Also disclosed are novel methods for treatment of neoplastic disease states in animals, which methods comprise administering a therapeutically effective amount of a compound of the formula, Ia, ##STR3## wherein: Y is hydrogen or lower alkyl; and Z is a thiazolamino radical, a furfurylamino radical, a cyclpropylamino radical, a pyridylamino radical, or a radical of the formula, ##STR4## in which R.sup.4, R .sup.5, and R.sup.6 are the same or different and selected from the group consisting of hydrogen and lower alkyl, and R.sup.Type: GrantFiled: December 5, 1979Date of Patent: May 19, 1981Assignee: University Patents, Inc.Inventor: William A. Remers
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Patent number: 4267341Abstract: 2,3-Substituted-1,2-isothiazolium salts have antibacterial and antifungal activity and are useful in agriculture against diseases and decay of fruits and vegetables, as well as a slimicide in industry.Type: GrantFiled: February 8, 1979Date of Patent: May 12, 1981Assignee: Merck & Co., Inc.Inventors: Joshua Rokach, Clarence S. Rooney, Edward J. Cragoe, Jr.
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Patent number: 4265896Abstract: Amidinosulphonic acid derivatives carrying an unsaturated nitrogen heterocycle-containing substituent, representative of which are N-methyl-N'[2-(5-methyl-4-imidazolylmethylthio)-ethyl] amidinosulphonic acid and N-methyl-N'-[2-(3-chloropyrid-2-ylmethylthio) ethyl] amidinosulphonic acid, are histamine H.sub.2 -receptor antagonists.Type: GrantFiled: November 5, 1979Date of Patent: May 5, 1981Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Rodney C. Young, Zev Tashma
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Patent number: 4256752Abstract: There are prepared compounds corresponding to the formula ##STR1## in which X is a 5-membered or 6-membered aromatic heterocyclic radical which is attached through a carbon atom to the adjacent CH.sub.2 -group and which contains from 1 to 3 nitrogen atoms or one nitrogen atom and one oxygen or sulphur atom, and which may be substituted once or twice by substituents defined hereinbelow, each R.sup.1 represents hydrogen or a C.sub.1 -C.sub.4 -alkyl group, Alk represents a C.sub.2 -C.sub.6 -alkylene chain and Ac is defined hereinbelow and their salts.Type: GrantFiled: February 13, 1979Date of Patent: March 17, 1981Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Walter von Bebenburg, Norbert Schulmeyer, Istvan Szelenyi
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Patent number: 4255428Abstract: The compounds are substituted 2-amino-4-pyrimidones with a 5-(hydroxypyridylalkyl) substituent which are histamine H.sub.2 -antagonists. Two specific compounds are 2-[2-(3-bromo-2-pyridylmethylthio)ethylamino]-5-(2-hydroxy-4-pyridylmethyl )-4-pyrimidone and 2-[4-(3-methoxy-2-pyridyl)butylamino]-5-(2-hydroxy-4-pyridylmethyl)-4-pyri midone.Type: GrantFiled: April 24, 1979Date of Patent: March 10, 1981Assignee: Smith Kline & French Laboratories LimitedInventors: Thomas H. Brown, Graham J. Durant, Charon R. Ganellin
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Patent number: 4255425Abstract: The compounds are sulphoxides of heterocyclicthioalkylthioureas, ureas and guanidines which are useful to produce inhibition of histamine H-2 receptors.Type: GrantFiled: November 13, 1978Date of Patent: March 10, 1981Assignee: Smith Kline & French Laboratories LimitedInventor: George R. White
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Patent number: 4252739Abstract: This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yields. The process involves reacting an alkylating agent and an activated methylene compound in the presence of an onium compound, an alkali metal compound and water, which while only necessary in trace amounts can be present in substantial quantities.Type: GrantFiled: August 20, 1979Date of Patent: February 24, 1981Assignee: Emery Industries, Inc.Inventors: Richard G. Fayter, Jr., John F. White, Eugene G. Harris
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Patent number: 4238494Abstract: 3-Nitro-2-substituted aminopyrroles are histamine H.sub.2 -receptor antagonists. The 2-position substituent is a fully-unsaturated heterocyclyl alkyl group preferably with with alkyl group interrupted by sulfur or oxygen. The 4- and 5-positions of the pyrrole ring can also be substituted.Type: GrantFiled: May 30, 1979Date of Patent: December 9, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Michael L. Roantree, Rodney C. Young
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Patent number: 4238493Abstract: 2,3-Unsaturated nitrogen-containing heterocyclic compounds with a 3-nitro group and a 2-heterocyclyl alkylamino group. The alkyl group of 2-position substituents is preferably interrupted by sulfur or oxygen. The compounds of the invention are preferably dihydropyrroles or tetrahydropyridines or pyrimidines. The compounds of the invention are histamine H.sub.2 -receptor antagonists.Type: GrantFiled: May 30, 1979Date of Patent: December 9, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Michael L. Roantree, Rodney C. Young
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Patent number: 4230865Abstract: The compounds are substituted thioalkyl-, aminoalkyl- and oxyalkyl-thioureas and ureas which are inhibitors of histamine activity.Type: GrantFiled: September 8, 1978Date of Patent: October 28, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, John C. Emmett, Charon R. Ganellin
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Patent number: 4228291Abstract: The compounds are substituted thioalkyl-, aminoalkyl- and oxyalkyl-guanidines which are inhibitors of histamine activity.Type: GrantFiled: October 4, 1978Date of Patent: October 14, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, John C. Emmett, Charon R. Genellin
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Patent number: 4225711Abstract: This invention relates to compositions of matter classified in the art of chemistry as substituted 2-[(methylsulfinyl)acetyl]-3-heterocyclicindoles, various derivatives thereof, and to the processes for making and using such compositions as immunosuppressants.Type: GrantFiled: October 2, 1978Date of Patent: September 30, 1980Assignee: Schering CorporationInventors: Martin Steinman, Pirouz Tahbaz
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Patent number: 4221584Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkenyl of 1 to 6 carbon atoms, haloalkyl of 1 to 2 carbon atoms and 1 to 3 of the same or different halogens selected from fluoro, chloro, bromo or iodo, nitro, hydroxy, alkoxyalkyl of 2 to 6 carbon atoms, fluoro, bromo, chloro or iodo, R.sup.2, R.sup.3 and R.sup.4 are independently selected from hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkenyl of 1 to 6 carbon atoms, haloalkyl of 1 to 2 carbon atoms and 1 to 3 of the same or different halogens selected from fluoro, chloro, bromo or iodo, nitro, hydroxy, alkoxyalkyl of 2 to 6 carbon atoms, fluoro, bromo, chloro or iodo; R.sup.5 and R.sup.Type: GrantFiled: February 9, 1979Date of Patent: September 9, 1980Assignee: Chevron Research CompanyInventor: Stephen D. Ziman
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Patent number: 4210658Abstract: Amidinosulphonic acid derivatives carrying an unsaturated nitrogen heterocycle-containing substituent, representative of which are N-methyl-N'[2-(5-methyl-4-imidazolylmethylthio)-ethyl]amidinosulphonic acid and N-methyl-N'[2-(3-chloropyrid-2-ylmethylthio) ethyl]amidinosulphonic acid, are histamine H.sub.2 -receptor antagonists.Type: GrantFiled: September 6, 1978Date of Patent: July 1, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Rodney C. Young, Zev Tashma
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Patent number: 4204065Abstract: Soft quaternary surface active agents having the formula: ##STR1## wherein >N represents a tertiary open chain or cyclic aliphatic amine; wherein >N represents an unsaturated amine; wherein R represents a member selected from the group consisting of a hydrogen atom, a C.sub.1 -C.sub.20 open chain or cyclo alkyl group, a C.sub.1 -C.sub.20 alkoxyalkyl group, a C.sub.1 -C.sub.20 acyloxyalkyl group, a C.sub.1 -C.sub.20 haloalkyl group, a C.sub.1 -C.sub.20 carboxyalkyl group, an aryl group, and a substituted aryl group, whose substituents are selected from the group consisting of a halogen atom, an O--C.sub.1 -C.sub.4 alkyl group, an O--C.sub.1 -C.sub.8 acyl group, a nitro group, a carboxyl group, and a carboethoxy group; wherein R.sub.1 represents a C.sub.9 -C.sub.22 straight or branched alkyl group, a --(CH.sub.2).sub.n -- ##STR2## group, wherein R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each selected from the group consisting of a hydrogen atom, a methyl group or an ethyl group, a C.sub.0 -C.sub.Type: GrantFiled: December 13, 1978Date of Patent: May 20, 1980Assignee: Interx Research CorporationInventor: Nicolae S. Bodor
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Patent number: 4197305Abstract: The compounds are C.sub.2 -C.sub.8 straight chain alkanes terminally substituted, symmetrically or unsymmetrically, by N-(N'-substituted guanidino), N-(N',N"-disubstituted guanidino), N-(N'-substituted thioureido), N-(nitrometylene amidino) or S-(N-substituted isothioureido)groups. Two compounds of the invention are 1,3-bis-[N'-(2-(5-methyl-4-imidazolylmethylthio)ethyl)guanidino]propane and 1,3-bis-[S-(N-2-(5-methyl-4-imidazolylmethylthio)ethyl)ethyl)isothiour eido]propane. The compounds of this invention are inhibitors of H-2 histamine receptors.Type: GrantFiled: September 11, 1978Date of Patent: April 8, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Charon R. Ganellin
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Patent number: 4196126Abstract: Disclosed are 3-methyl-5-isothiazolyl-3-alkoxyureas, such as 1-(3-methyl-5-isothiazolyl)-3-methoxy-3-methylurea, and the method of controlling broadleaf and grassy weeds, such as Echinochloa crusgalli (L.) Beauv. (barnyardgrass), with these ureas.Type: GrantFiled: November 4, 1977Date of Patent: April 1, 1980Assignee: PPG Industries, Inc.Inventor: Dennis K. Krass
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Patent number: 4191769Abstract: The compounds are N-(heterocyclomethylthioalkyl) derivatives of alkylguanidines, C-alkyl and C-aryl amidines and S-alkylisothioureas. The compounds may also have N'-lower alkyl or N'(heterocyclomethylthioalkyl) substituents. Three compounds of the invention are S-methyl-N-[2-(5-methyl-4-imidazolylmethylthio)ethyl]isothiourea, N,N'-bis-[2-(5-methyl-4-imidazolylmethylthio)ethyl]acetamidine, N,N'-bis-[2-(5-methyl-4-imidazolylmethylthio)ethyl]N"-methylguanidine. The compounds of this invention are histamine H.sub.2 -antagonists.Type: GrantFiled: April 17, 1978Date of Patent: March 4, 1980Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Charon R. Ganellin, Rodney C. Young
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Patent number: 4189434Abstract: New and valuable polycyclic compounds which contain nitrogen-containing rings and have a strong action on plants, agents for influencing plant growth containing these compounds, and a method of influencing plant growth with these compounds.Type: GrantFiled: March 28, 1977Date of Patent: February 19, 1980Assignee: BASF AktiengesellschaftInventors: Rolf Platz, Werner Fuchs, Norbert Rieber, Ulf-Rainer Samel, Johann Jung, Bruno Wuerzer
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Patent number: 4183856Abstract: Urea derivatives of the formula ##STR1## (wherein Ar represents a residue of 5- or 6-membered heteroaromatic ring; R represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group; R.sup.1 represents a C.sub.1 -C.sub.6 alkyl group; and R.sup.2 represents a C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, or C.sub.1 -C.sub.6 alkoxy group) are produced by reacting an amine of the formulaAr--NH--R(wherein Ar and R have the significance given above) with a carbamoyl halogenide of the formula ##STR2## (wherein X represents a halogen atom, and R.sup.1 and R.sup.2 have the significance given above) in the presence of a Lewis acid in an inert solvent.Type: GrantFiled: April 10, 1978Date of Patent: January 15, 1980Assignee: Shionogi & Co., Ltd.Inventors: Yasuo Makisumi, Takashi Sasatani, Akira Murabayashi
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Patent number: 4173644Abstract: The compounds are dithiocarbamates and isothioureas which are histamine H.sub.2 -antagonists. Two compounds of the invention are 2-(5-methyl-4-imidazolylmethylthio)ethyl N-methyldithiocarbamate and S-[2-(5-methyl-4-imidazolyl-methylthio)ethyl]-N-cyano-N'-methylisothiourea .Type: GrantFiled: July 28, 1978Date of Patent: November 6, 1979Assignee: Smith Kline & French Laboratories LimitedInventors: Thomas H. Brown, Graham J. Durant, Charon R. Ganellin, Robert J. Ife
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Patent number: 4166857Abstract: The compounds are 1-amino-2-heterocyclic-alkylamino-cyclobut-1-ene-3,4-diones which are histamine H.sub.2 -antagonists.Type: GrantFiled: July 27, 1978Date of Patent: September 4, 1979Assignee: Smith Kline & French Laboratories LimitedInventors: Charon R. Ganellin, Rodney C. Young
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Patent number: 4166856Abstract: The compounds are novel N-substituted-N'-heterocyclic alkylthioureas, guanidines and 1-nitro-2,2-diaminoethylene compounds which are histamine H.sub.2 -antagonists.Type: GrantFiled: March 31, 1978Date of Patent: September 4, 1979Assignee: Smith Kline & French Laboratories LimitedInventors: Graham J. Durant, Charon R. Ganellin, Geoffrey R. Owen, Rodney C. Young