Oxy In Acid Moiety Patents (Class 560/39)
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Patent number: 4394305Abstract: Compounds which are carboxylic acids, or their salt, ester or amide derivatives, having an oxyalkylene amine oxide substituent at the alpha-carbon atom are disclosed. The compounds are useful as detergent surfactants which provide outstanding cleaning, particularly of oily soils, under cold water laundering conditions. Detergent compositions containing the compounds also preferably contain other surfactants, builders, and detergent adjunct materials.Type: GrantFiled: March 17, 1981Date of Patent: July 19, 1983Assignee: The Procter & Gamble CompanyInventor: Eugene P. Gosselink
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Patent number: 4391986Abstract: Threo-3-protected amino-2-hydroxy-4-oxobutanoic acid or its esters represented by the formula: ##STR1## wherein R.sub.1 represents naphthyl or a group of the formula ##STR2## in which R.sub.6 and R.sub.7 represent individually hydrogen, halogen, amino, an amino protected with acyl, lower alkyloxycarbonyl or carbamoyl, hydroxy or protected with acyl, lower alkyloxycarbonyl or carbamoyl, lower alkoxy, lower alkyl or phenyl group; R.sub.2 represents an amine protected with acyl, lower alkyloxycarbonyl or carbamoyl; and R.sub.3 represents hydrogen, lower alkyl having 1 to 6 carbon atoms or benzyl.Type: GrantFiled: November 28, 1980Date of Patent: July 5, 1983Assignee: Nippon Kayaku Kabushiki KaishaInventors: Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Rinzo Nishizawa, Masao Suzuki, Tetsushi Saino
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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
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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
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Patent number: 4379941Abstract: Racemic amino acids can be readily resolved by conversion to their diastereomeric esters of an optically active 2-isopropyl-5-methylcyclohexanol and separating the diastereomers by chromatography. It has been observed that the separation of the diastereomeric esters is relatively insensitive to the support or the solvent used as eluant. Thus, satisfactory separation occurs under a broad variety of conditions. The optically active amino acid can be obtained by base catalyzed hydrolysis of the purified diastereomer with high optical purity.Type: GrantFiled: January 8, 1982Date of Patent: April 12, 1983Assignee: UOP Inc.Inventor: David W. House
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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
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Patent number: 4366036Abstract: Novel alkylated hydroxyl aryl compounds, such as vanillin which has been alkylated with 3-chloro-2-hydroxypropyltrimethylammonium chloride, are useful as additives in alkaline zinc electroplating baths.Type: GrantFiled: September 8, 1981Date of Patent: December 28, 1982Assignee: Occidental Chemical CorporationInventors: Ronald J. Lash, Roy W. Herr
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Patent number: 4356165Abstract: A radioimmunoassay proceedure has been discovered for bupropion [(.+-.)-2-t-butylamino-3-chloropropiophenone], an antidepressant compound, in biological fluids. Novel compounds of formula ##STR1## wherein either R.sub.2 is oxygen and R.sub.1 is (CH.sub.2).sub.n --O--(CO).sub.m --(CH.sub.2).sub.p --COOH where n is an integer from 0 to 5, m is 0 or 1, and p is an integer from 1 to 4; or R.sub.1 is hydrogen and R.sub.2 is N--O--(CH.sub.2).sub.q --COOH where Q is an integer from 1 to 3, and novel methods of making them and novel intermediates useful therein are disclosed. Novel immunogens for raising bupropion specific antisera, and novel methods of making them are disclosed comprising conjugates of the novel compounds and suitable carrier material. The drug is added to the antisera together with novel radiolabeled competitor of formula ##STR2## wherein R' is a suitable radioisotope as described above and R.sub.3 is hydrogen, R.sub.4 is Cl, and R.sub.5 is oxygen, orR' is hydrogen and either(a) R.sub.3 is H and R.Type: GrantFiled: April 14, 1980Date of Patent: October 26, 1982Assignee: Burroughs Wellcome Co.Inventors: John W. A. Findlay, Robert F. Butz, Richard M. Welch
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Patent number: 4352752Abstract: There is provided a novel process for the preparation of a dipeptide represented by the formula: ##STR1## wherein Ar represents an aromatic group; R.sup.1 represents a hydrogen atom, an alkyl group or an aryl group; R.sup.2 represents a hydrogen atom, an alkyl group or an aromatic group; Y represents a hydroxy group, an amino group or an acylamino group, which comprises subjecting a .beta.-lactam compound represented by the formula: ##STR2## wherein Ar, R.sup.1 and R.sup.2 have the same meanings as defined above, and X represents a hydroxy group, an amino group or an acylamino group, an azido group or a benzyloxy group, to hydrogenolysis in the presence of a catalyst. The process can be practiced without any complicated procedure as seen in the conventional processes for the preparation of peptides.Type: GrantFiled: March 5, 1981Date of Patent: October 5, 1982Assignee: Sagami Chemical Research CenterInventors: Iwao Ojima, Shigemi Suga
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Patent number: 4347176Abstract: A radioimmunoassay procedure has been discovered for bupropion [(.+-.)-2-t-butylamino-3-chloropropiophenone], an antidepressant compound, in biological fluids. Novel compounds of formula ##STR1## wherein either R.sub.2 is oxygen and R.sub.1 is (CH.sub.2).sub.n --0--(CO).sub.m --(CH.sub.2).sub.p --COOH where n is an integer from 0 to 5, m is 0 or 1, and p is an integer from 1 to 4; or R.sub.1 is hydrogen and R.sub.2 is N--0--(CH.sub.2).sub.q --COOH where q is an integer from 1 to 3, and novel methods of making them and novel intermediates useful therein are disclosed. Novel immunogens for raising bupropion specific antisera, and novel methods of making them are disclosed comprising conjugates of the novel compounds and suitable carrier material. The drug is added to the antisera together with novel radiolabeled competitor of formula ##STR2## wherein R' is a suitable radioisotope as described above and R.sub.3 is hydrogen, R.sub.4 is Cl, and R.sub.5 is oxygen, orR' is hydrogen and either(a) R.sub.3 is H and R.Type: GrantFiled: April 14, 1980Date of Patent: August 31, 1982Assignee: Burroughs Wellcome Co.Inventor: Nariman B. Mehta
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Patent number: 4346105Abstract: 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: August 24, 1982Assignee: Ciba-Geigy CorporationInventors: Alfred Sallmann, Gerhard Baschang
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Patent number: 4343947Abstract: Amides of carnitine or acyl-carnitines having general formula: ##STR1## wherein X.sup.- is a halogen anion, e.g. the chloride anionR is either hydrogen or an acyl radical, such as acetyl, propionyl or butyryl; andY is the residue of an optically active esterified amino-acid (e.g. the residue of L-phenylglycine methyl ester, ##STR2## are prepared by either (a) directly condensing D,L-carnitine (or acyl-D,L-carnitine) with an ester of an optically active aminoacid, or (b) preparing the acid halogenide of D,L-carnitine or acyl-D,L-carnitine and subsequently condensing it with an ester of an optically active aminoacid.The mixture of the diastereoisomer amides thus obtained is resolved by fractional crystallization from organic solvents into the respective separated diastereoisomers.Type: GrantFiled: December 29, 1980Date of Patent: August 10, 1982Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.Inventors: Paolo De Witt, Maria O. Tinti
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Patent number: 4339393Abstract: The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C.sub.1--3 --alkylene--CON(R.sub.4)--, --CON(R.sub.4)--,--O--C.sub.1--3 --alkylene--COO--, OCO or --COO--, with the proviso that if n+n'=O, X and X' may not be --CON(R.sub.4)--or O--C.sub.1--3 --alkylene--CON(R.sub.4)--, and if n+n'=2 and X and X' are --CON(R.sub.4)--or --COO--, A.crclbar. may not be a phosphite or phosphonate anion, and Y and Y' independently of one another are C.sub.1--20 --alkylene, R.sub.1 and R.sub.1' independently of one another are unsubstituted or substituted C.sub.1--8 --alkyl or C.sub.3--4 --alkenyl, or R.sub.1 together with R.sub.2, or R.sub.1' together with R.sub.2', is a heterocyclic ring, R.sub.2 and R.sub.2' independently of one another are unsubstituted or substituted C.sub.1--8 --alkyl or C.sub.3--4 -- alkenyl, or R.sub.2 together with R.sub.1, or R.sub.2' together with R.sub.1', is a heterocyclic ring, or R.sub.1 and R.sub.2, or R.sub.1' and R.Type: GrantFiled: April 4, 1980Date of Patent: July 13, 1982Assignee: Ciba-Geigy CorporationInventors: Christian Luthi, Hans R. Meyer, Kurt Weber
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Patent number: 4338457Abstract: The present invention relates to novel compositions of matter and novel processes for preparing these compositions of matter. Moreover, there are provided novel methods by which certain of these novel compositions of matter are employed for pharmacologically useful purposes.Type: GrantFiled: February 28, 1980Date of Patent: July 6, 1982Assignee: The Upjohn CompanyInventor: Paul A. Aristoff
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Patent number: 4336267Abstract: This invention relates to novel compounds of the general formula ##STR1## Representative compounds within the scope of the invention are ##STR2## The compounds are disclosed as being useful for treating symptoms and signs of cardiac failure by stimulating the .beta.-receptors of the heart. Methods of treatment using these compounds are discussed.Type: GrantFiled: May 19, 1980Date of Patent: June 22, 1982Assignee: Aktiebolaget HassleInventors: Enar I. Carlsson, Nils H. A. Persson, Gustav B. R. Samuelsson, Kjell I. L. Wetterlin
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Patent number: 4331680Abstract: Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermediates, are also described.Type: GrantFiled: August 25, 1980Date of Patent: May 25, 1982Assignee: The Boots CompanyInventors: David P. Giles, John C. Kerry, Antonin Kozlik, Bryan H. Palmer, Stephen W. Shutler, Robert J. Willis
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Patent number: 4329502Abstract: Compounds are provided which can be used in the preparation of reagents useful for quantitatively determining the presence of b-adrenergic blocking agents. These compounds contain a derivative of the blocking agent which is linked to an antigen or enzyme, the antigen conjugates being useful for preparing antibodies, and the enzyme conjugates being useful as detectors in an immunoassay as well. Additionally carboxylic acids, esters and aldehydes which are derivatives of the blocking agents are provided which are useful in preparing the above conjugates.Type: GrantFiled: August 7, 1980Date of Patent: May 11, 1982Assignee: Syva CompanyInventors: Prithipal Singh, Marcel R. Pirio
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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
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Patent number: 4323704Abstract: Novel compounds of the formula ##STR1## wherein A is methylene, ethylene or ethylidene; R.sub.1 is --C.tbd.CH or --CH.dbd.CH.sub.2 ; R.sub.2 is hydrogen or COR wherein R 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.5 is hydrogen or a straight or branched lower alkyl group of from 1 to 4 carbon atoms or ##STR2## wherein R.sub.6 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; R.sub.a is hydrogen, ##STR3## 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 ##STR4## wherein R.sub.7 is selected from hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl and p-hydroxybenzyl; and R.sub.b has the same meaning as defined for R.sub.a except R.sub.b is not ##STR5## and R.sub.a and R.sub.Type: GrantFiled: January 16, 1981Date of Patent: April 6, 1982Assignee: Merrell Toraude et CompagnieInventors: Brian W. Metcalf, Michel Jung, Charles Danzin
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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
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Patent number: 4310460Abstract: Process for the production of 6-D-.alpha.-amino-p-hydroxyphenylacetamido penicillanic acid which is a potent antibiotic also known generically as amoxicillin. According to the process there is reacted a boron derivative of 6-APA with an acylating agent derived from the D(-)-p-hydroxyphenylglycine, in dimethylformamide or in dimethylsulfoxide in admixture with methylene chloride or chloroform, hydrolyzing and then removing the enaminic group.Type: GrantFiled: March 24, 1980Date of Patent: January 12, 1982Assignee: Dobfar S.p.A.Inventors: Marco Falciani, Renato Broggi
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Patent number: 4299970Abstract: Compounds of formula (I): ##STR1## wherein: X is CO, protected CO, CROH in which R is hydrogen or C.sub.1-4 alkyl and in which the OH moiety may be protected;Y is CH.sub.2 CH.sub.2 or CH.dbd.CH;Z is CO or CH.sub.2 ;n is 1 to 8;m is 1, 2 or 3;R.sub.1 is hydrogen, CH.sub.2 OH, CH.sub.2 OH in which the OH moiety is protected, CO.sub.2 W wherein W is hydrogen or CO.sub.2 W represents an ester group in which the ester moiety contains from 1 to 12 carbon atoms, or CONH.sub.2 ;R.sub.2 is hydrogen, C.sub.1-4 alkyl, or taken together with R.sub.3 and the carbon atom to which it is attached represents a carbonyl group;R.sub.3 is hydrogen, hydroxy or protected hydroxy;R.sub.4 is hydrogen or C.sub.1-9 alkyl;and salts thereof--have useful pharmacological properties.Type: GrantFiled: August 25, 1980Date of Patent: November 10, 1981Assignee: Beecham Group LimitedInventors: Frederick Cassidy, Gordon Wootton
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Patent number: 4296125Abstract: Derivatives of benzoylphenoxyalkanoic acids corresponding to the formula: ##STR1## wherein: X represents for example a halogen, R.sup.1 and R.sup.2 represent for example alkyl groups, R represents for example an aminoacid; and the salts thereof are new products showing antilipaemic and anticholesterolemic pharmacological activity.Type: GrantFiled: February 21, 1980Date of Patent: October 20, 1981Assignee: Alpha Farmaceutici S.p.A.Inventors: Valerio Borzatta, Manlio Cristofori, Mauro Morotti, Giuseppe Mascellani
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Patent number: 4289903Abstract: There are provided certain p-phenylalkoxy phenylurea and thiourea compounds useful for the control of undesirable plants in the presence of agronomic crops and to methods for the preparation of said phenylalkoxy phenylurea and thiourea compounds.Type: GrantFiled: June 25, 1979Date of Patent: September 15, 1981Assignee: American Cyanamid CompanyInventors: David M. Spatz, Barrington Cross
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Patent number: 4284755Abstract: N-Substituted aspartic acid monoesters of the formula ##STR1## wherein for example R.sub.1 is an alkyl group having 1 to 12 C atoms, a cyclohexyl, phenyl, tolyl or benzyl group, R.sub.2 is an alkyl group having 3 or 4 C atoms, or a cyclohexyl, phenyl, tolyl or methoxyphenyl group, and x is 2 or 3, are obtained by adding, by means of an addition reaction, to 1 mol of a maleic acid monoester of the formula ##STR2## 1 mol of an amine of the formulaH.sub.2 N--(CH.sub.2 ).sub.x NH--R.sub.2in the presence of a tertiary amine. The novel N-substituted aspartic acid monoesters are valuable curing agents for epoxide resins, and are particularly suitable for producing storage-stable B-stage resins.Type: GrantFiled: April 30, 1980Date of Patent: August 18, 1981Assignee: Ciba-Geigy CorporationInventors: Friedrich Lohse, Friedrich Stockinger, Sameer H. Eldin
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Patent number: 4281180Abstract: A process for producing threo-3-amino-2-hydroxybutanoylaminoacetic acids comprises the steps of allowing to react a starting compound represented by the general formula: ##STR1## wherein R.sub.1 represents a naphthyl or a group of the formula: ##STR2## in which R.sub.6 and R.sub.7 represent individually hydrogen, halogen, amino or a protected amino, hydroxy or a protected hydroxy, a lower alkoxy or a lower alkyl and R.sub.2 represents a protected amino, with a starting compound represented by the general formula: ##STR3## wherein R.sub.3 represents hydrogen or an ester residue, to obtain threo-3-protected amino-2-hydroxy-4-oxobutanoic acid or its ester represented by the general formula: ##STR4## wherein R.sub.1, R.sub.2 and R.sub.3 have the same meanings as above, and then reducing the same into threo-3-protected amino-2-hydroxybutanoic acid or its ester represented by the general formula: ##STR5## wherein R.sub.1, R.sub.2 and R.sub.Type: GrantFiled: November 23, 1979Date of Patent: July 28, 1981Assignee: Nippon Kayaku Kabushiki KaishaInventors: Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Rinzo Nishizawa, Masao Suzuki, Tetsushi Saino
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Patent number: 4277471Abstract: Biphenylylalkylamines which have anti-arrhythmic activity have been prepared. Pharmaceutical formulations containing such compounds and a method of treating cardiac arrhythmias are provided.Type: GrantFiled: February 22, 1980Date of Patent: July 7, 1981Assignee: Eli Lilly and CompanyInventors: William B. Lacefield, Richard L. Simon
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Patent number: 4273706Abstract: Nondiffusible compounds are described having at least one releasable 2-(2-heterocyclylazo)-1-naphthol dye moiety having the formula: ##STR1## wherein: G is hydroxy, a salt thereof, or a hydrolyzable precursor thereof; or a group which together with ##STR2## is CAR, said CAR being bonded to the naphthalene group through the oxygen of said ##STR3## group; Z represents the atoms necessary to complete a heterocyclic ring;CAR represents a ballasted carrier moiety; andt is a positive integer of 1 to 2.Type: GrantFiled: September 14, 1979Date of Patent: June 16, 1981Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, E-ming Wu
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Patent number: 4271187Abstract: A compound of the formula ##STR1## possesses antihypertensive activity. Also provided are methods for the preparation of the compounds as well as pharmaceutical formulations and methods for their use as antihypertensive agents.Type: GrantFiled: September 18, 1979Date of Patent: June 2, 1981Assignee: Merck & Co., Inc.Inventors: Joseph G. Atkinson, Clarence S. Rooney, Yves Girard, Edward L. Engelhardt
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Patent number: 4269850Abstract: Complexes of enterochelin, and certain analogues thereof, with one of the metals indium and scandium are useful for the treatment of bacterial infections.Type: GrantFiled: May 2, 1979Date of Patent: May 26, 1981Assignee: National Research Development CorporationInventor: Henry J. Rogers
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Patent number: 4267354Abstract: Compounds having the formula ##STR1## wherein R.sub.1 is alkoxycarbonyl, amido, alkylamido, or dialkylamido; R'.sub.3 is alkylbenzylamino, dialkylamino, 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, or 4-alkyl-1-piperazinyl; A.sub.1 is an alkylene group having 2 to 5 carbon atoms; and n is 1, 2 or 3; are intermediates useful in the preparation of substituted amides having antiinflammatory activity.Type: GrantFiled: February 4, 1980Date of Patent: May 12, 1981Assignee: E. R. Squibb & Sons, Inc.Inventors: John Krapcho, Chester F. Turk
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Patent number: 4260684Abstract: The invention relates to a new enzymatic process for the stereoselective resolution of a DL-phenylglycine derivative comprising hydrolyzing an ester or amide group on an N-acyl-L-phenylglycine ester or amide in an N-acyl-DL-phenylglycine ester or amide in solution by the action of an enzyme bonded to a carrier, separating the N-acyl-D-phenylglycine ester or amide from the N-acyl-L-phenylglycine and then, if desired, hydrolyzing under acid conditions, the ester or amide group of the D-enantiomer and the acyl group.D-Phenylglycine and D-4-hydroxyphenylglycine are used as starting substances for the preparation of semisynthetic antibiotics of the penicillin series. L-Phenylglycine is a starting substance for L-aspartyl-L-phenylglycine methyl ester, which is used as a sweetener.Type: GrantFiled: February 1, 1979Date of Patent: April 7, 1981Assignee: Bayer AktiengesellschaftInventor: Hermann Schutt
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Patent number: 4252945Abstract: A process is provided for preparing pyrazolo-[1,5-c]quinazoline derivatives of the structure ##STR1## wherein X is O or S; R.sup.1 is hydrogen, lower alkyl, hydroxymethyl, phenyl-lower alkyl, phenyl or phenyl substituted with halogen, lower alkyl, lower alkoxy, or trifluoromethyl; R.sup.2 is lower alkoxy, phenyl-lower alkoxy, phenoxy, or phenoxy substituted with lower alkyl or lower alkoxy; and R.sup.3 and R.sup.4 are the same or different and are selected from the group consisting of hydrogen, alkyl of 1 to 4 carbons, alkoxy of 1 to 4 carbons, lower alkanoyloxy of 1 to 4 carbons, nitro, benzyloxy, benzyloxy having a single monolower alkoxy substituent, halogen, hydroxy, and trifluoromethyl, wherein quinolone compounds of the structure ##STR2## which are new intermediates, are reacted with a hydrazine compound to form a 5-(2-aminophenyl)-pyrazole which is then cyclized to the product.In addition, the above product may be reacted with a halogen acid to form the corresponding hydroxymethyl compound.Type: GrantFiled: July 11, 1979Date of Patent: February 24, 1981Assignee: E. R. Squibb & Sons, Inc.Inventors: Richard A. Conley, Margaret M. Lam, LeRoy B. High
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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
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Patent number: 4244969Abstract: This invention relates to novel compounds of the general formula ##STR1## Representative compounds within the scope of the invention are ##STR2## The compounds are disclosed as being useful for treating symptoms and signs of cardiac failure by stimulating the .beta.-receptors of the heart. Methods of treatment using these compounds are discussed.Type: GrantFiled: February 13, 1975Date of Patent: January 13, 1981Assignee: Aktiebolaget HassleInventors: Enar I. Carlsson, Nils H. A. Persson, Gustav B. R. Samuelsson, Kjell I. L. Wetterlin
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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
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Patent number: 4241083Abstract: A germicidal composition which contains 2-(2-hydroxyethylamino)-3-benzoylpropionates or salts thereof as an active ingredient has excellent control effects for the agricultural and horticultural plants diseases, especially for apple canker and the powdery mildews of various plants. Said composition does little damage to the plants and has extremely weak toxicity to man and beast.Type: GrantFiled: October 26, 1979Date of Patent: December 23, 1980Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Yukiteru Morikawa, Hideo Nishikawa
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Patent number: 4239902Abstract: The invention relates to N-carboxyacylaminoacid esters, a process for their production and their use as chromogenic substrates for the continuous and discontinuous determination of enzymes with a chymotrypsin-like specificity, in particular catheepsin G.Type: GrantFiled: March 8, 1979Date of Patent: December 16, 1980Assignee: Bayer AktiengesellschaftInventor: Eugen Schnabel
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Patent number: 4238622Abstract: The amino acid 2-amino-4-(2-aminoethoxy)-trans-but-3-enoic acid can be conveniently prepared via novel intermediates from a 2,2'-disubstituted diethyl ether and a dialkyl N-protected amidomalonate starting material using a multi-step process. Preferred starting materials are bis-2-chloroethyl ether and diethyl acetamidomalonate. The process, in a preferred embodiment, proceeds through the key intermediate ethyl-2-acetamido-4-[2-(2-phthalimido)ethoxy]-but-2-enoate.Type: GrantFiled: August 15, 1977Date of Patent: December 9, 1980Assignee: Hoffmann-La Roche Inc.Inventors: Dennis D. Keith, Manfred Weigele
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Patent number: 4237268Abstract: Surface-active esters of aliphatic polyols containing at least 3 hydroxyl groups and aliphatic, cycloaliphatic or araliphatic acylaminocarboxylic acids, which contain a total of at least 8, preferably 12-60, carbon atoms and which are acylated by aliphatic carboxylic acids with 1-4 carbon atoms, aromatic or araliphatic carboxylic acids or aliphatic, aromatic or araliphatic sulphonic, carbonic or carbamic acids, are suitable as auxiliaries in the dyeing of textile materials.Type: GrantFiled: July 18, 1978Date of Patent: December 2, 1980Assignee: Bayer AktiengesellschaftInventors: Klaus Walz, Ergun Tamer
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Patent number: 4228184Abstract: New carboxyalkylacylamino acids which have the general formula ##STR1## are useful as angiotensin converting enzyme inhibitors.Type: GrantFiled: May 4, 1978Date of Patent: October 14, 1980Assignee: E. R. Squibb & Sons, Inc.Inventors: Miguel A. Ondetti, David W. Cushman
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Patent number: 4220590Abstract: New optically active bis phosphine compounds which are usful in optically active catalysts. Such catalysts are particularly useful in catalytic asymmetric hydrogenation.Type: GrantFiled: July 31, 1978Date of Patent: September 2, 1980Assignee: Monsanto CompanyInventors: William S. Knowles, Milton J. Sabacky, Billy D. Vineyard
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Patent number: 4216008Abstract: The present invention is directed to compounds of the formula ##STR1## wherein R.sub.1 is lower alkyl and R.sub.2 is lower alkyl or aryl. Also provided are methods for preparation of these compounds. The compounds of formula I above are useful as plant growth regulants.Type: GrantFiled: May 22, 1978Date of Patent: August 5, 1980Assignee: Hoffmann-La Roche Inc.Inventors: Manfred Weigele, Dennis D. Keith
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Patent number: 4201864Abstract: Compounds of formula (I): ##STR1## wherein: m is 1 or 2; n is 4 to 8; X is CO, protected CO, or CROH wherein R is hydrogen or C.sub.1-4 alkyl and wherein the OH moiety may be protected; R.sub.1 is hydrogen or CO.sub.2 R.sub.1 represents an ester group in which the R.sub.1 moiety contains from 1 to 12 carbon atoms; R.sub.3 is hydroxy, or protected hydroxy; R.sub.2 and R.sub.4 are separately hydrogen, C.sub.1-9 alkyl, C.sub.5-8 cycloalkyl, C.sub.5-8 cycloalkyl-C.sub.1-6 alkyl, phenyl, phenyl C.sub.1-6 alkyl, naphthyl, naphthyl C.sub.1-6 alkyl, any of which phenyl or naphthyl moieties may be substituted by one or more halogen, trifluoromethyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or nitro groups; or R.sub.2 and R.sub.4 taken with the carbon atom to which they are joined represent a C.sub.5-8 cycloalkyl group; and salts thereof; except that when one of R.sub.2 and R.sub.4 is hydrogen or C.sub.1-4 alkyl then the other of R.sub.2 and R.sub.4 cannot be hydrogen or C.sub.Type: GrantFiled: November 22, 1978Date of Patent: May 6, 1980Assignee: Beecham Group LimitedInventors: Frederick Cassidy, Gordon Wootton
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Patent number: 4189604Abstract: Bestatin, which is [(2S,3R)-3-amino-2-hydroxy-4-phenylbutanoyl]-L-leucine, and related compounds which inhibit aminopeptidase B, leucino aminopeptidase and Bleomycin hydrolase, enhance the anti-tumor effect of Bleomycin and exhibit an antifertility effect were synthesized and tested.Type: GrantFiled: June 24, 1977Date of Patent: February 19, 1980Assignee: Zaidan Hojin Biseibutsu Kagaku Kenkyu KaiInventors: Hamao Umezawa, Takaaki Aoyagi, Tomohisa Takita, Rinzo Nishizawa, Tetsushi Saino
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Patent number: 4182891Abstract: Novel acetylenic derivatives of .alpha.-amino acids of the following general structure: ##STR1## wherein Z is .beta.-methylthioethyl, .beta.-benzylthioethyl, S-(5'-desoxyadenosin-5' -yl)-S-methylthioethyl, .gamma.-guanidinopropyl, or RHN(CH.sub.2).sub.n --; n is the integer 3 or 4; each R 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 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.5 is hydrogen or a lower alkyl group of from 1 to 4 carbon atoms, or ##STR3## wherein R.sub.3 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; and the lactams thereof when Z is RHN(CH.sub.Type: GrantFiled: July 1, 1977Date of Patent: January 8, 1980Assignee: Merrell Toraude et CompagnieInventors: Brian W. Metcalf, Michel Jung
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Patent number: 4165381Abstract: Amino aceto anilides of the formula I shown hereinafter are effective microbicides. They may be used to control fungi on plants or parts of plants or to prevent them from fungi attack.Type: GrantFiled: May 12, 1978Date of Patent: August 21, 1979Assignee: Ciba-Geigy CorporationInventors: Adolf Hubele, Walter Kunz, Wolfgang Eckhardt
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Patent number: 4163060Abstract: Novel substituted aromatic aliphatic amino carboxylic acids containing a tertiary nitrogen atom such as 3-[N-ethyl-[1-methyl-2-(4-methoxyphenyl)] ethylamino] -1-propane carboxylic acid ethyl ester or 7-[N-ethyl-[1-methyl-2-(4-methoxyphenyl)] ethylamino] -1-heptane carboxylic acid ethyl ester have been found to be useful spasmolytic agents.Type: GrantFiled: January 17, 1977Date of Patent: July 31, 1979Assignee: U.S. Philips CorporationInventors: Jan Hartog, Johannes M. A. Zwagemakers
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Patent number: 4161529Abstract: Pyrrolidone derivatives of the formula: ##STR1## wherein R is hydrogen, halogen, lower alkyl, lower alkoxy or trifluoromethyl,AndY is hydrogen, saturated or unsaturated hydrocarbon radical up to C.sub.4, hydroxyethyl, hydroxypropyl or carboxymethyl.These compounds are used as medicines especially in the treatment of lipid-metabolism disorders.Type: GrantFiled: February 14, 1978Date of Patent: July 17, 1979Assignee: Science Union et Cie, Societe Francaise de Recherche MedicaleInventors: Laszlo Beregi, Pierre Hugon, Jacques Duhault, Michelle Boulanger
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Patent number: 4148817Abstract: The silylated and enamine protected D-3- or 4-hydroxyphenylglycine as the sodium salt of the formula ##STR1## wherein A is methyl or ethyl, are crystalline intermediates useful in a new process for the acylation of heterocyclic-thiomethyl-substituted cephalosporin nuclei, e.g. 7-amino-3-(5-methyl-1,3,4-thiadiazole-2-ylthiomethyl)-3-cephem-4-carboxyli c acid and 7-amino-3-(1-methyl-1H-tetrazole-5-ylthiomethyl)-3-cephem-4-carboxylic acid.Type: GrantFiled: March 25, 1976Date of Patent: April 10, 1979Assignee: Eli Lilly and CompanyInventor: Ian G. Wright