Halogen Patents (Class 562/449)
  • Patent number: 4560795
    Abstract: 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: Grant
    Filed: February 6, 1984
    Date of Patent: December 24, 1985
    Assignee: Merrell Dow France et Cie.
    Inventors: Philippe Bey, Michel Jung
  • Patent number: 4535176
    Abstract: Intermediates of the formula ##STR1## are disclosed. These compounds are useful in preparing substituted peptide compounds which possess hypotensive and analgesic activity.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: August 13, 1985
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Sesha I. Natarajan, Eric M. Gordon
  • Patent number: 4532342
    Abstract: 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: Grant
    Filed: June 8, 1982
    Date of Patent: July 30, 1985
    Assignee: Warner-Lambert Company
    Inventors: Milton L. Hoefle, Sylvestor Klutchko
  • Patent number: 4487960
    Abstract: Novel compounds of the following formula: ##STR1##
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: December 11, 1984
    Assignee: The Upjohn Company
    Inventor: Chiu-Hong Lin
  • Patent number: 4439617
    Abstract: Herein disclosed are N-naphthoylglycine derivatives having aldose reductase inhibiting activity. The derivatives are useful for treating diabetic complications.
    Type: Grant
    Filed: November 13, 1981
    Date of Patent: March 27, 1984
    Assignee: Ayerst, McKenna & Harrison Inc.
    Inventors: Kazimir Sestanj, Nedumparambil A. Abraham, Francesco Bellini, Adi Treasurywala
  • Patent number: 4439619
    Abstract: 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: Grant
    Filed: August 21, 1981
    Date of Patent: March 27, 1984
    Assignee: Merrell Toraude et Compagnie
    Inventors: Philippe Bey, Fritz Gerhart, Michel Jung
  • Patent number: 4438270
    Abstract: 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: Grant
    Filed: June 25, 1982
    Date of Patent: March 20, 1984
    Assignee: Merrell Toraude et Compagnie
    Inventors: Philippe Bey, Michel Jung
  • Patent number: 4421765
    Abstract: 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: Grant
    Filed: October 3, 1980
    Date of Patent: December 20, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Alfred Sallmann, Gerhard Baschang
  • Patent number: 4420490
    Abstract: 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: Grant
    Filed: December 17, 1980
    Date of Patent: December 13, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Alfred Sallmann, Gerhard Baschang
  • Patent number: 4418208
    Abstract: 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: Grant
    Filed: June 16, 1982
    Date of Patent: November 29, 1983
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Adrian Nunn, Michael Loberg
  • Patent number: 4418077
    Abstract: 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: Grant
    Filed: August 21, 1981
    Date of Patent: November 29, 1983
    Assignee: Merrell Toraude et Compagnie
    Inventors: Philippe Bey, Fritz Gerhart, Michel Jung, Daniel Schirlin
  • Patent number: 4405530
    Abstract: 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: Grant
    Filed: November 16, 1981
    Date of Patent: September 20, 1983
    Assignee: Merrell Toraude et Compagnie
    Inventor: Fritz E. Gerhart
  • Patent number: 4386103
    Abstract: 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: Grant
    Filed: January 30, 1981
    Date of Patent: May 31, 1983
    Assignee: Merck & Co., Inc.
    Inventors: Stefano A. Pogany, Takeru Higuchi
  • Patent number: 4386031
    Abstract: The present invention refers to N-Benzoyl-.omega.
    Type: Grant
    Filed: November 6, 1981
    Date of Patent: May 31, 1983
    Assignee: A. Nattermann & Cie GmbH
    Inventors: Gerd Hilboll, Hans-Heiner Lautenschlager, Brigitte Stoll, Manfred Probst
  • Patent number: 4375477
    Abstract: 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: Grant
    Filed: July 21, 1980
    Date of Patent: March 1, 1983
    Assignee: Merrell Toraude et Compagnie
    Inventors: Philippe Bey, Michael Jung, Fritz Gerhart
  • Patent number: 4329513
    Abstract: 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: Grant
    Filed: December 5, 1980
    Date of Patent: May 11, 1982
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Atsushi Aoshima, Ryoichi Mitsui, Toshiaki Kaneko
  • Patent number: 4325961
    Abstract: Novel substituted .alpha.-fluoromethyl-.alpha.-amino alkanoic acids and esters thereof are disclosed. The novel compounds have biological activity including decarboxylase inhibition.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: April 20, 1982
    Assignee: Merck & Co., Inc.
    Inventors: Janos Kollonitsch, Arthur A. Patchett
  • Patent number: 4326071
    Abstract: 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: Grant
    Filed: September 28, 1977
    Date of Patent: April 20, 1982
    Assignee: Merrell Toraude et Compagnie
    Inventors: Philippe Bey, Michel Jung
  • Patent number: 4322436
    Abstract: 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: Grant
    Filed: December 17, 1980
    Date of Patent: March 30, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Alfred Sallmann, Gerhard Baschang
  • Patent number: 4318898
    Abstract: 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: Grant
    Filed: December 19, 1979
    Date of Patent: March 9, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Michael Molter, Gerhard Kloss, Eberhard Schickel
  • Patent number: 4250192
    Abstract: 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: Grant
    Filed: April 25, 1979
    Date of Patent: February 10, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Alfred Sallmann, Gerhard Baschang
  • Patent number: 4250183
    Abstract: 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: Grant
    Filed: December 15, 1978
    Date of Patent: February 10, 1981
    Assignee: BYK Gulden Lomberg Chemische Fabrik GmbH
    Inventor: Walter Krastinat
  • Patent number: 4243678
    Abstract: 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: Grant
    Filed: December 15, 1978
    Date of Patent: January 6, 1981
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventor: Walter Krastinat
  • Patent number: 4233456
    Abstract: 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: Grant
    Filed: August 28, 1978
    Date of Patent: November 11, 1980
    Assignee: Riedel-de Haen Aktiengesellschaft
    Inventors: Horst Schmand, Wolfgang Dannenberg
  • Patent number: 4215221
    Abstract: 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: Grant
    Filed: September 1, 1978
    Date of Patent: July 29, 1980
    Assignee: Merck & Co., Inc.
    Inventors: Janos Kollonitsch, Stephen Marburg
  • Patent number: 4182899
    Abstract: 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: Grant
    Filed: August 7, 1978
    Date of Patent: January 8, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yung B. Chae, Dae W. Kim
  • Patent number: 4172846
    Abstract: 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: Grant
    Filed: October 19, 1977
    Date of Patent: October 30, 1979
    Assignee: Stamicarbon, B.V.
    Inventor: Wilhelmus H. J. Boesten
  • Patent number: 4123538
    Abstract: 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: Grant
    Filed: August 30, 1977
    Date of Patent: October 31, 1978
    Assignee: McNeil Laboratories, Incorporated
    Inventor: Michael J. Umen
  • Patent number: 4120870
    Abstract: 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: Grant
    Filed: July 18, 1977
    Date of Patent: October 17, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: John Melvin Townsend, Donald Herman Valentine, Jr.