Halogen Patents (Class 562/449)
-
Patent number: 4560795Abstract: Novel halomethyl derivatives of .alpha.-amino acids of the following general structure: ##STR1## wherein Y is F.sub.2 CH--, F.sub.3 C--, Cl.sub.2 CH--; Z is .beta.-methylthioethyl, .beta.-thioethyl, .beta.-benzylthioethyl; S-(5'-desoxyadenosin-5'-yl)-S-methylthioethyl, .gamma.-guanidinopropyl, R.sub.a HN(CH.sub.2).sub.n -- wherein n is the integer 3 or 4 or ##STR2## wherein Y.sub.2 is F.sub.2 CH--, or F.sub.3 C--; each of R.sub.a and R.sub.b can be the same or different and is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR3## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; R.sub.1 is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, --NR.sub.4 R.sub.5 wherein each of R.sub.4 and R.sub.Type: GrantFiled: February 6, 1984Date of Patent: December 24, 1985Assignee: Merrell Dow France et Cie.Inventors: Philippe Bey, Michel Jung
-
Patent number: 4535176Abstract: Intermediates of the formula ##STR1## are disclosed. These compounds are useful in preparing substituted peptide compounds which possess hypotensive and analgesic activity.Type: GrantFiled: May 29, 1984Date of Patent: August 13, 1985Assignee: E. R. Squibb & Sons, Inc.Inventors: Sesha I. Natarajan, Eric M. Gordon
-
Patent number: 4532342Abstract: N-substituted amino acids are described which when coupled with 1,2,3,4-tetrahydroisoquinolines result in substituted acyl derivatives of 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acids as anti-hypertensive agents. The novel intermediates are in turn prepared by reacting an amino acid such as alanine with 2-bromo-4-phenyl butanoic acid or an ester thereof.Type: GrantFiled: June 8, 1982Date of Patent: July 30, 1985Assignee: Warner-Lambert CompanyInventors: Milton L. Hoefle, Sylvestor Klutchko
-
Patent number: 4487960Abstract: Novel compounds of the following formula: ##STR1##Type: GrantFiled: April 19, 1982Date of Patent: December 11, 1984Assignee: The Upjohn CompanyInventor: Chiu-Hong Lin
-
Patent number: 4439617Abstract: Herein disclosed are N-naphthoylglycine derivatives having aldose reductase inhibiting activity. The derivatives are useful for treating diabetic complications.Type: GrantFiled: November 13, 1981Date of Patent: March 27, 1984Assignee: Ayerst, McKenna & Harrison Inc.Inventors: Kazimir Sestanj, Nedumparambil A. Abraham, Francesco Bellini, Adi Treasurywala
-
Patent number: 4439619Abstract: Fluorinated alkenylene diamine compounds are inhibitors of ornithine decarboxylase enzyme in vivo and have the following formula: ##STR1## wherein: R.sub.a represents hydrogen or R.sub.2, where R.sub.2 is as defined below;R.sub.b represents hydrogen or, when R.sub.a is hydrogen, R.sub.2, where R.sub.2 is as defined below;R.sub.c represents hydrogen or --COR.sub.3, where R.sub.3 is as defined below;R.sub.1 represents hydrogen or C.sub.1 --C.sub.6 alkyl;each R.sub.2, independently, represents C.sub.2 -C.sub.5 alkylcarbonyl, phenylcarbonyl, phenyl-(C.sub.1 -C.sub.4 alkyl) carbonyl, or an aminocarboxylic acid residue derived by removal of an hydroxy group from a carboxy moiety of an L-aminocarboxylic acid;R.sub.3 represents hydroxy, or, when R.sub.a and R.sub.b are both hydrogen, C.sub.1 -C.sub.8 alkoxy, --NR.sub.4 R.sub.5, where R.sub.4 and R.sub.5 are as defined below, or an aminocarboxylic acid residue derived by removal of an hydrogen atom from the amino moiety of an L-aminocarboxylic acid;R.sub.4 and R.sub.Type: GrantFiled: August 21, 1981Date of Patent: March 27, 1984Assignee: Merrell Toraude et CompagnieInventors: Philippe Bey, Fritz Gerhart, Michel Jung
-
Patent number: 4438270Abstract: Novel halomethyl derivatives of .alpha.-amino acids of the following general structure: wherein Y is ClCH.sub.2, F.sub.2 CH--, F.sub.3 C--, ClCH.sub.2 --, Cl.sub.2 CH--; Z is .beta.-methylthioethyl, .beta.-thioethyl, .beta.-benzylthioethyl; S-(5'-desoxyadenosin-5'-yl)-S-methylthioethyl, .gamma.-guanidinopropyl, R.sub.a HN(CH.sub.2).sub.n -- wherein n is the integer 3 or 4 or ##STR1## wherein Y.sub.2 is F.sub.2 CH--, or F.sub.3 C--; each of R.sub.a and R.sub.b can be the same or different and is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR2## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or .rho.-hydroxybenzyl; R.sub.1 is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, --NR.sub.4 R.sub.5 wherein each of R.sub.4 and R.sub.Type: GrantFiled: June 25, 1982Date of Patent: March 20, 1984Assignee: Merrell Toraude et CompagnieInventors: Philippe Bey, Michel Jung
-
Patent number: 4421765Abstract: Phenylacetic acid amide compounds of the formula ##STR1## in which R.sub.1 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.2 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.3 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35 and R.sub.4 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35, and in which R.sub.5 is a radical of aliphatic character containing the group R.sub.6, R.sub.6 and R.sub.7 are each hydrogen or together are a divalent aliphatic radical and the group of the formula --C(.dbd.O)--R.sub.8 (Ia) is a carboxyl group, which can be functionally modified, and their salts are useful as anti-inflammatory agents.Type: GrantFiled: October 3, 1980Date of Patent: December 20, 1983Assignee: Ciba-Geigy CorporationInventors: Alfred Sallmann, Gerhard Baschang
-
Patent number: 4420490Abstract: Phenylacetic acid amide compounds of the formula ##STR1## in which R.sub.1 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.2 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.3 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35 and R.sub.4 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35, and in which R.sub.5 is a radical of aliphatic character containing the group R.sub.6, R.sub.6 and R.sub.7 are each hydrogen or together are a divalent aliphatic radical and the group of the formula --C(.dbd.O)--R.sub.8 (Ia) is a carboxyl group, which can be functionally modified, and their salts are useful as anti-inflammatory agents.Type: GrantFiled: December 17, 1980Date of Patent: December 13, 1983Assignee: Ciba-Geigy CorporationInventors: Alfred Sallmann, Gerhard Baschang
-
Patent number: 4418208Abstract: Complexes of technetium-99m and a compound selected from the group having the formula ##STR1## or a pharmaceutically acceptable, water soluble salt thereof wherein R.sub.1 and R.sub.4 are each independently hydrogen, methyl or ethyl;one of R.sub.2 and R.sub.3 is alkyl of 1 to 4 carbons and the other is bromine or iodine; andn is 0, 1 or 2, are useful for the external imaging of the hepatobiliary system.Type: GrantFiled: June 16, 1982Date of Patent: November 29, 1983Assignee: E. R. Squibb & Sons, Inc.Inventors: Adrian Nunn, Michael Loberg
-
Patent number: 4418077Abstract: Fluorinated aminobutyric acid and diaminobutane compounds in vivo are inhibitors of gamma-aminobutyric acid transaminase and have the following formula: ##STR1## wherein: Y represents hydrogen or fluorine;Z represents --CH.sub.2 NR.sub.1 R.sub.2, where R.sub.1 and R.sub.2 are as defined below, or --COR.sub.3 where R.sub.3 is as defined below;R.sub.a represents hydrogen or R.sub.4, where R.sub.4 is as defined below;R.sub.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl-(C.sub.1 -C.sub.4 alkyl);R.sub.2 represents hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl-(C.sub.1 -C.sub.4 alkyl) or, when R.sub.a is hydrogen, R.sub.4, where R.sub.4 is as defined below;R.sub.3 represents hydroxy, or when R.sub.a is hydrogen, C.sub.1 -C.sub.8 alkoxy, --NR.sub.5 R.sub.6, where R.sub.5 and R.sub.6 are as defined below, or an aminocarboxylic acid residue derived by removal of an hydrogen atom from the amino moiety of an L-aminocarboxylic acid;each R.sub.4, independently, represents C.sub.2 -C.sub.Type: GrantFiled: August 21, 1981Date of Patent: November 29, 1983Assignee: Merrell Toraude et CompagnieInventors: Philippe Bey, Fritz Gerhart, Michel Jung, Daniel Schirlin
-
Patent number: 4405530Abstract: Certain .alpha.-(fluoromethyl or difluoromethyl)-.alpha.-aminoacetonitriles are prepared by treating the appropriate .alpha.-(fluoromethyl or difluoromethyl) ketimine magnesium halide with hydrogen cyanide or with an alkali metal cyanide or ammonium cyanide and a proton source. The products are useful as intermediates for making .alpha.-(fluoromethyl or difluoromethyl)-.alpha.-amino acids having pharmacological activity.Type: GrantFiled: November 16, 1981Date of Patent: September 20, 1983Assignee: Merrell Toraude et CompagnieInventor: Fritz E. Gerhart
-
Patent number: 4386103Abstract: Dichloroamino acid derivatives other than .alpha.-dichloroamino acids are prepared from chlorination of corresponding amino acids, and are found to be potent germicidal and fungicidal agents.Type: GrantFiled: January 30, 1981Date of Patent: May 31, 1983Assignee: Merck & Co., Inc.Inventors: Stefano A. Pogany, Takeru Higuchi
-
Patent number: 4386031Abstract: The present invention refers to N-Benzoyl-.omega.Type: GrantFiled: November 6, 1981Date of Patent: May 31, 1983Assignee: A. Nattermann & Cie GmbHInventors: Gerd Hilboll, Hans-Heiner Lautenschlager, Brigitte Stoll, Manfred Probst
-
Patent number: 4375477Abstract: Beta-monofluoromethyl beta-alanine, beta-difluoromethyl beta-alanine and pharmaceutically acceptable esters and amides derived from the acid group, amides derived from the amine group, and salts thereof are novel compounds which inhibit .gamma.-aminobutyric acid transaminase (GABA-T).Type: GrantFiled: July 21, 1980Date of Patent: March 1, 1983Assignee: Merrell Toraude et CompagnieInventors: Philippe Bey, Michael Jung, Fritz Gerhart
-
Patent number: 4329513Abstract: Methanol is allowed to flow downwardly and contacted countercurrently with an unsaturated aldehyde-containing gas obtained from gas phase catalytic oxidation of the starting gas containing at least one gas selected from the group consisting of propylene, isobutylene and t-butanol, said methanol being supplied in such an amount that substantially the whole thereof can be gasified in the treatment. According to this method, the water content in said unsaturated aldehyde-containing gas can be rendered smaller than that in the azeotropic mixture of the unsaturated aldehyde and water, and also there takes place no polymerization of the unsaturated aldehyde.Type: GrantFiled: December 5, 1980Date of Patent: May 11, 1982Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Atsushi Aoshima, Ryoichi Mitsui, Toshiaki Kaneko
-
Patent number: 4325961Abstract: Novel substituted .alpha.-fluoromethyl-.alpha.-amino alkanoic acids and esters thereof are disclosed. The novel compounds have biological activity including decarboxylase inhibition.Type: GrantFiled: June 1, 1977Date of Patent: April 20, 1982Assignee: Merck & Co., Inc.Inventors: Janos Kollonitsch, Arthur A. Patchett
-
Patent number: 4326071Abstract: Novel compounds of the following general formula are useful pharmacological agents: ##STR1## wherein Y is FCH.sub.2 - or F.sub.2 CH-; R.sub.1 is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, -NR.sub.10 R.sub.11 wherein each of R.sub.10 and R.sub.11 is hydrogen or a straight or branched alkyl group of from 1 to 4 carbon atoms or ##STR2## wherein R.sub.12 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; R.sub.2 is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched or ##STR3## wherein R.sub.8 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; and n is the integer 2 or 3; pharmaceutically acceptable salts and individual optical isomers thereof.Type: GrantFiled: September 28, 1977Date of Patent: April 20, 1982Assignee: Merrell Toraude et CompagnieInventors: Philippe Bey, Michel Jung
-
Patent number: 4322436Abstract: Phenylacetic acid amide compounds of the formula ##STR1## in which R.sub.1 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.2 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.3 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35 and R.sub.4 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35, and in which R.sub.5 is a radical of aliphatic character containing the group R.sub.6, R.sub.6 and R.sub.7 are each hydrogen or together are a divalent aliphatic radical and the group of the formula --C(.dbd.O)--R.sub.8 (Ia) is a carboxyl group, which can be functionally modified, and their salts are useful as anti-inflammatory agents.Type: GrantFiled: December 17, 1980Date of Patent: March 30, 1982Assignee: Ciba-Geigy CorporationInventors: Alfred Sallmann, Gerhard Baschang
-
Patent number: 4318898Abstract: What are disclosed are a diagnostic agent for visualizing the hepatobiliary system which agent contains Technetium-99m-labelled (2,4,5-trimethylacetanilido)-iminodiacetate in a suitable solvent, and a process for the preparation of this diagnostic agent; chloroacetic acid-(2,4,5-trimethylanilide) as an intermediate product and a process for the preparation thereof; and (2,4,5-trimethylacetanilido)-iminodiacetate and a process for the preparation thereof.Type: GrantFiled: December 19, 1979Date of Patent: March 9, 1982Assignee: Hoechst AktiengesellschaftInventors: Michael Molter, Gerhard Kloss, Eberhard Schickel
-
Patent number: 4250192Abstract: Phenylacetic acid amide compounds of the formula ##STR1## in which R.sub.1 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.2 is hydrogen, lower alkyl, lower alkoxy, halogen having an atomic number of not more than 35 or trifluoromethyl, R.sub.3 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35 and R.sub.4 is hydrogen, lower alkyl, lower alkoxy or halogen having an atomic number of not more than 35, and in which R.sub.5 is a radical of aliphatic character containing the group R.sub.6, R.sub.6 and R.sub.7 are each hydrogen or together are a divalent alipahtic radical and the group of the formula --C(.dbd.O)--R.sub.8 (Ia) is a carboxyl group, which can be functionally modified, and their salts are useful as anti-inflammatory agents.Type: GrantFiled: April 25, 1979Date of Patent: February 10, 1981Assignee: Ciba-Geigy CorporationInventors: Alfred Sallmann, Gerhard Baschang
-
Patent number: 4250183Abstract: N-substituted .omega.-aminoalkanoyl-.omega.-aminoalkanoic acids and their pharmacologically-acceptable salts (with a base) are useful, e.g., in pharmaceutical-composition form for the treatment or prophylaxis of diseases which are based on inadequate performance of the pancreas, the bile and/or the liver. The compounds are prepared, e.g., by reacting an N-(mono- or di-substituted) .omega.-amino-alkanoic acid with an N-(unsubstituted or monosubstituted) .omega.-aminoalkanoic acid.Type: GrantFiled: December 15, 1978Date of Patent: February 10, 1981Assignee: BYK Gulden Lomberg Chemische Fabrik GmbHInventor: Walter Krastinat
-
Patent number: 4243678Abstract: Compounds of the formula ##STR1## wherein R is (a) optionally-substituted and optionally-hydrogenated biphenylyl, (b) optionally-substituted and optionally-hydrogenated bicyclic aryl having from 8 to 12 ring carbon atoms or (c) a radical of the formula ##STR2## R.sup.1 is aliphatic hydrocarbyl, alicyclic hydrocarbyl or optionally-substituted phenyl;R.sup.2 is --H or lower aliphatic hydrocarbyl;R.sup.3 is --H, lower alkyl, cycloalkyl, optionally-substituted phenyl or, with R.sup.4, alkylene;R.sup.4 is lower alkyl, cycloalkyl, optionally-substituted phenyl, optionally-(nuclearly)-substituted phenalkyl or, with R.sup.3, alkylene;or R.sup.2,R.sup.3 and R.sup.4, together with the carbon to which each is bound, are adamantyl; andn is 3, 4 or 5;and salts thereof with a base are pharmacologically active. Esters thereof are valuable intermediates for the preparation of the pharmacologically-active compounds. Physiologically-acceptable embodiments are administered, e.g.Type: GrantFiled: December 15, 1978Date of Patent: January 6, 1981Assignee: Byk Gulden Lomberg Chemische Fabrik GmbHInventor: Walter Krastinat
-
Patent number: 4233456Abstract: Optically active 2-amino-2-phenylacetic acid of the formula ##STR1## in which R.sub.1, R.sub.2 and R.sub.3, which are identical or different, denote hydrogen, halogen, hydroxy, alkyl, acyl, or alkoxy, is prepared by asymmetrical transformation of a corresponding DL-aminophenylacetonitrile with L(+)-tartaric acid. To this end the corresponding DL-2-amino-2-phenyl-acetonitrile is reacted with approximately equimolar amounts of L(+)-tartaric acid in the presence of at least one alkanol having from 1 to 5 carbon atoms and/or at least one carbonyl compound at a temperature of from 0.degree. to 50.degree. C. and the mixture is stirred for 2 to 120 hours at the indicated temperature. The crystallized transformation product is separated, hydrolyzed by treatment with an acid and the desired product is isolated.Type: GrantFiled: August 28, 1978Date of Patent: November 11, 1980Assignee: Riedel-de Haen AktiengesellschaftInventors: Horst Schmand, Wolfgang Dannenberg
-
Patent number: 4215221Abstract: A process for preparing .alpha.-fluoromethyl amino acids from corresponding .alpha.-hydroxymethyl amino acids is disclosed. The process utilizes SF.sub.4 and BF.sub.3 or AlCl.sub.3 in HF to effect the fluorination.Type: GrantFiled: September 1, 1978Date of Patent: July 29, 1980Assignee: Merck & Co., Inc.Inventors: Janos Kollonitsch, Stephen Marburg
-
Patent number: 4182899Abstract: The present application relates to the optical resolution into optical antipodes of compounds of the formula ##STR1## as well as to salts consisting of an optical isomer of a compound of the above formula and an optical isomer of 2-aminobutanol. The optically active compounds of the above formula are employed as starting materials for the production of semisynthetic antibiotics of the cephalosporin or penicillin type.Type: GrantFiled: August 7, 1978Date of Patent: January 8, 1980Assignee: Hoechst AktiengesellschaftInventors: Yung B. Chae, Dae W. Kim
-
Patent number: 4172846Abstract: A process is disclosed for the separation of a mixture of an optically active .alpha.-phenylglycine amide and the corresponding optically active .alpha.-phenylglycine acid, through the formation of a novel Schiff base of at least the amide, and achieving the separation with the resulting solubility differences while substantially completely avoiding racemization.Type: GrantFiled: October 19, 1977Date of Patent: October 30, 1979Assignee: Stamicarbon, B.V.Inventor: Wilhelmus H. J. Boesten
-
Patent number: 4123538Abstract: Novel (2-amino-2-oxoethoxy)acetic acid compounds and antisecretory compositions and methods employing (2-amino-2-oxoethoxy)acetic acid compounds are disclosed. The (2-amino-2-oxoethoxy)acetic acid compounds are also useful as cardiotonic agents and as calcium binding agents; certain of the compounds are also useful for their calcium transport properties. Novel 4-substituted 3,5-morpholinediones intermediates in the preparation of certain of the (2-amino-2-oxoethoxy)acetic acid compounds and further useful as antisecretory agents are also disclosed.Type: GrantFiled: August 30, 1977Date of Patent: October 31, 1978Assignee: McNeil Laboratories, IncorporatedInventor: Michael J. Umen
-
Patent number: 4120870Abstract: Group IB and IIB metal phosphine complexes are disclosed. These complexes are reacted with rhodium complex precursors to form useful enantioselective hydrogenation catalysts. Also disclosed is a method of preparing useful compounds having optical activity such as natural products and compounds useful as flavors and fragrances.Type: GrantFiled: July 18, 1977Date of Patent: October 17, 1978Assignee: Hoffmann-La Roche Inc.Inventors: John Melvin Townsend, Donald Herman Valentine, Jr.