Plural Nitrogens Patents (Class 562/437)
  • Patent number: 5514716
    Abstract: This disclosure relates to a novel class of hydroxamic and carboxylic acid based matrix metalloproteinase inhibitor derivatives. The disclosure further relates to pharmaceutical compositions containing such compounds and to the use of such compounds and compositions in the treatment of matrix metalloproteinase induced diseases.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: May 7, 1996
    Assignee: Sterling Winthrop, Inc.
    Inventors: Madhusudhan R. Gowravaram, Jeffrey Johnson, Ewell R. Cook, Robert C. Wahl, Alan M. Mathiowetz, Bruce E. Tomczuk, Ashis K. Saha
  • Patent number: 5495044
    Abstract: The present invention provides inhibitors of kynureninase having the formula ##STR1## where X is CO or CHOH; R.sub.A and R.sub.B, independently of one another, are H, a halogen, a halovinyl group, or a small alkyl or haloalkyl group having one to three carbon atoms; A is a H or an acetyl group; R.sub.1 is H, NH.sub.2, NR.sub.6 R.sub.7, NO.sub.2, halogen, CF.sub.3 or a small alkyl group having from one to three carbon atoms, wherein: R.sub.6 and R.sub.7, independently of one another, are H, a formyl group or a small alkyl group having from one to three carbon atoms with the exception that only one of R.sub.6 or R.sub.7 can be a formyl group; R.sub.2 is OH, H, halogen, CF.sub.3 or a small alkyl group having from one to three carbon atoms; and R.sub.3, R.sub.4 and R.sub.5, independently of one another, are H, halogen, CF.sub.3, NO.sub.2, NH.sub.2, or small alkyl group having from one to three carbon atoms, and with the proviso that when X=CO, neither R.sub.A nor R.sub.B can be CF.sub.3.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: February 27, 1996
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Robert S. Phillips, Lakshmi V. Cyr
  • Patent number: 5478835
    Abstract: Disclosed is a tricyclic compound represented by the formula (I): ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represents hydrogen, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, amino, C1-6 alkylamino, halogenated C1-6 alkyl, halogenated C1-6 alkoxy, halogen, nitro, cyano, carboxy, C1-6 alkoxycarbonyl, hydroxymethyl, CR.sup.9 R.sup.10 CO.sub.2 R.sup.11 (wherein each of R.sup.9, R.sup.10 and R.sup.11 independently represents hydrogen or C1-6 alkyl) or CONR.sup.12 R.sup.13 (wherein each of R.sup.12 and R.sup.13 independently represents hydrogen or C1-6-alkyl); R.sup.5 represents hydrogen or C1-6 alkyl; each of R.sup.6, R.sup.7 and R.sup.8 independently represents hydrogen, C1-6 alkyl, hydroxy, C1-6 alkoxy, C1-6 alkanoyloxy, C1-6 alkylthio, thiocyanato or halogen; X represents CH or N; Y.sup.1 -Y.sup.2 represents CH.sub.2 -O, CH.sub.2 -S(O).sub.n, (wherein n represents 0, 1, or 2), CH.sub.2 CH.sub.2, CH.dbd.CH or CON(R.sup.14) (wherein R.sup.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: December 26, 1995
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Toshiaki Kumazawa, Masashi Yanase, Hiroyuki Harakawa, Hiroyuki Obase, Shoji Oda, Shiro Shirakura, Koji Yamada, Kazuhiro Kubo
  • Patent number: 5461045
    Abstract: A fused benzeneoxyacetic acid derivative of the formula: ##STR1## wherein ##STR2## is (i) ##STR3## (ii) ##STR4## (iii) ##STR5## or (iv) ##STR6## A is (i) ##STR7## or (ii) ##STR8## R.sup.1 is hydrogen or C.sub.1-4 alkyl; R.sup.2 is hydrogen, C.sub.1-6 alkyl or phenyl;R.sup.3 is(i) C.sub.1-15 alkyl,(ii) C.sub.1-8 alkyl substituted by one or two of benzene, C.sub.4-7 cycloalkane or 4-7 ring-membered monocyclic ring which contains one nitrogen atom or(iii) C.sub.10-15 condensed tricyclic ring;e is 3-5;f is 1-3;p is 0-4;q is 0-2;s is 0-3With the proviso that, ring(s) in R.sup.3 may be substituted by one to three of C.sub.1-4 alkyl, .sub.1-4 alkoxy, halogen atom, nitro or trihalomethyl. And, when D--B is the formula (iii) or (iv), --(CH2)p- or .dbd.CH--(CH2)s- is attached at the position of a or b on the ring.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: October 24, 1995
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Nobuyuki Hamanaka, Kanji Takahashi, Hidekado Tokumoto
  • Patent number: 5449809
    Abstract: Acetylene derivatives of the general formula I ##STR1## where U, V and W are hydrogen, halogen, nitro, cyano, alkyl or alkoxy,A is alkylidene, alkoxymethylidene, alkylthiomethylidene or alkoximino,B is OH, alkoxy or alkylamino andR is hydrogen, halogen, cyano, CF.sub.3, alkyl, cycloalkyl, haloalkyl, aryl, alkenyl, alkynyl, heterocyclyl, hetaryl, arylalkyl, arylalkenyl, arylethynyl, hetaryl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, aryloxyalkyl, hetaryloxyalkyl, arylamino-alkyl, arylthiomethyl, hetarylthiomethyl, C(O)R.sup.1, C(O)NR.sup.2 R.sup.3, C(S)NR.sup.4 R.sup.5, C(O)SR.sup.6, C(S)OR.sup.7, C(S)SR.sup.8, CH(OH)R.sup.9, CH(OR.sup.10)R.sup.11, SiR.sup.12 R.sup.13 R.sup.14, SnR.sup.15 R.sup.16 R.sup.17, C(OR)R.sup.18 or C(.dbd.N--OR.sup.19)R.sup.20 andR.sup.1 -R.sup.17, R.sup.19 and R.sup.20 are hydrogen, alkyl, aryl, hetaryl, arylalkyl or hetarylalkyl and R.sup.18 is OH, C.sub.1 -C.sub.4 -alkoxy or aryl-C.sub.1 -C.sub.4 -alkoxy, and fungicides containing these compounds.
    Type: Grant
    Filed: July 30, 1993
    Date of Patent: September 12, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Beate Hellendahl, Reinhard Kirstgen, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5430182
    Abstract: The present invention relates to a novel sweetening agent and to its method of preparation. This novel sweetening agent is a 2-substituted acyl derivative of L-aspartic or L-glutamic acid and has the general formula ##STR1## R being an acyl group of the formula ##STR2## and R' being a group of the formula ##STR3## R.sub.1, R.sub.2, R.sub.3, X, Y and Z being variously defined. This novel sweetening agent is essentially characterized by a high sweetening potency and a high stability compatible with the conditions of industrial use, and is applied especially for sweetening soft drinks.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: July 4, 1995
    Inventors: Claude Nofre, Jean-Marie Tinti
  • Patent number: 5387607
    Abstract: O-Benzyloxime ethers of the formula I ##STR1## where X is substituted or unsubstituted CH.sub.2, NOalkylY isO, S, NR.sup.5R.sup.1, R.sup.2, R.sup.5 are H, alkylZ.sup.1, Z.sup.2 are H, halogen, methyl, methoxy, cyanoR.sup.3, R.sup.4 are hydrogen, cyano, substituted or unsubstituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, alkynyl, alkoxy, haloalkoxy, alkylthio, benzylthio, alkylcarbonyl, substituted or unsubstituted phenylcarbonyl, substituted or unsubstituted benzylcarbonyl, alkoxycarbonyl, substituted or unsubstituted phenoxycarbonyl, substituted or unsubstituted benzyloxycarbonyl,N(R.sup.6).sub.2, where R.sup.6 is H, alkyl, substituted or unsubstituted phenyl,--CO--N(R.sup.7).sub.2, where R.sup.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: February 7, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Siegbert Brand, Uwe Kardorff, Reinhard Kirstgen, Bernd Mueller, Klaus Oberdorf, Hubert Sauter, Gisela Lorenz, Eberhard Ammermann, Christoph Kuenast, Albrecht Harreus
  • Patent number: 5362747
    Abstract: 2-Nitroaryl or 2-cyanoaryl compounds of the formula ##STR1## pharmaceutical compositions thereof, intermediates useful in the preparation of these compounds, and methods for treating disorders of vascular smooth muscles or diseases of the cartilage, macrophages, neurons, platelets, bronchial smooth muscles, optic muscles and gastrointestinal smooth muscles, in addition to sickle cell anemia, diabetes, synovitis, chondroarthritis and osteoarthritis by employing these compounds.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: November 8, 1994
    Assignee: Abbott Laboratories
    Inventors: Marlon Cowart, James F. Kerwin
  • Patent number: 5360930
    Abstract: Direct dyes having quaternary center with a long aliphatic chain, compositions containing those dyes, and the process of using them to dye hair are disclosed. These dyes have a higher affinity for hair and are more shampoo stable than conventional direct dyes, and produce pleasing uniform dyeing.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: November 1, 1994
    Assignee: Clairol Inc.
    Inventors: Alexander Chan, Yuh-Guo Pan
  • Patent number: 5334747
    Abstract: Malonic mono-ester mono-anilides and malonic acid mono-anilides and bis-anilides are produced by reaction of malonic acid di-alkyl esters with an aniline in the presence of a stoichiometric amount, based on the aniline, of an alkali alcoholate, accompanied by the initial formation of alkali salts of mono-ester mono-anilides or malonic-acid bis-anilides. Neutralization results in the formation of free malonic mono-ester mono-anilide or malonic-acid bis-anilide and saponification forms the malonic acid mono-anilide. Chloro-substituted anilides of cyclopropyl-1,1-dicarboxylic acid and their mono-esters are preferred.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: August 2, 1994
    Assignee: Huls Aktiengesellschaft
    Inventor: Klaus-Dieter Steffen
  • Patent number: 5319122
    Abstract: This invention relates to a novel process for preparing benzylformimidates which are useful in the production of certain carbapenem antibiotics. The process of this invention provides a means of producing a high-yield, high-purity product.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: June 7, 1994
    Assignee: Merck & Co., Inc.
    Inventor: Joel J. Friedman
  • Patent number: 5310682
    Abstract: Compounds containing .alpha.-discarbonyl groups are rendered capable of fluorescent emission by conjugation with carboxylic acid-terminated ortho-diaminoaryl reagents. The carboxylic acid groups serve as ionizable moieties which facilitate the conjugation reaction, and are retained in the conjugation product to enable, or enhance the ability of, the conjugated compounds to be separated in chromatographic and electromigration separation processes, notably electrophoresis. Ortho-dinitro derivatives of the reagents are also disclosed, these derivatives offering the advantage of stability as well as the ability to be used directly in the reaction in the presence of a reducing agent.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: May 10, 1994
    Assignee: Indiana University Foundation
    Inventors: Milos V. Novotny, Osamu Shirota, Donald Wiesler
  • Patent number: 5258398
    Abstract: This invention relates to novel diaminoalkanoic acid derivatives that inhibit platelet aggregation and thrombus formation in mammalian blood thereby being useful in the prevention and treatment of thrombosis associated with disease states such as myocardial infarction, stroke, peripheral arterial disease and disseminated intravascular coagulation, to pharmaceutical compositions including such compounds, and to their use in inhibiting thrombus formation and platelet aggregation in mammals.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: November 2, 1993
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Scott I. Klein, Bruce F. Molino
  • Patent number: 5252737
    Abstract: A process for preparing N-aliphatic substituted p-phenylenediamine intermediates is provided which comprises contacting an aliphatic amine or substituted aliphatic amine derivative and nitrobenzene in the presence of a suitable solvent system, and reacting the aliphatic amine or substituted aliphatic amine derivative and nitrobenzene in the presence of a suitable base and a controlled amount of protic material at a suitable temperature in a confined reaction zone. In one embodiment, the N-aliphatic substituted p-phenylenediamine intermediates are reduced to N-aliphatic substituted p-phenylenediamines and the N-aliphatic substituted p-phenylenediamines can be reductively alkylated to N'-alkylated, N-aliphatic substituted p-phenylenediamines. In another embodiment of the invention, N-aliphatic substituted p-phenylenediamine intermediates are reductively alkylated to N'-alkylated, N-aliphatic substituted p-phenylenediamines.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: October 12, 1993
    Assignee: Monsanto Company
    Inventors: Michael K. Stern, Brian K. Cheng
  • Patent number: 5237089
    Abstract: N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates of the general formula I ##STR1## where A is --NO.sub.2, --NH.sub.2 or ##STR2## corresponding to the compounds Ia, Ib and Ic, B is --CH.sub.2 --, --CH.sub.2 --CHR.sup.1 --, --CH.sub.2 --CHR.sup.1 --CH.sub.2 --, --CH.dbd., --CH.dbd.CR.sup.1 -- or --CH.dbd.CR.sup.1 --CH.dbd., R.sup.1 being --H, --Cl, --Br or --CH.sub.3, D is ##STR3## or .dbd.C<, depending on the terminal group B, X is --H, --Cl or --Br, Y is --H, C.sub.1 -C.sub.7 -alkyl, --Cl, --Br, --CN, --CONH.sub.2 or --CO.sub.2 R.sup.2, where R.sup.2 is H, C.sub.1 -C.sub.6 -alkyl, C.sub.5 - or C.sub.6 -cycloalkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylmercapto-C.sub.2 -C.sub.4 -alkyl, propargyl, benzyl, .alpha.-phenylethyl, .alpha.-phenylpropyl, C.sub.2 -C.sub.4 -alkyl which is monosubstituted, disubstituted or trisubstituted by F or Cl, or CH.sub.3 -substituted or Cl-substituted allyl, and Z is --COOR.sup.2, --CONR.sup.3 R.sup.4, ##STR4## or --COR.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: August 17, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Plath, Karl Eicken, Norbert Goetz, Jochen Wild, Norbert Meyer, Bruno Wuerzer
  • Patent number: 5227474
    Abstract: The present invention provides bifunctional chelating agents comprising a unique substrate reactive moiety incorporated into a carboxymethyl arm of a polyaminopolycarboxylate chelating framework capable of forming stable complexes with metal ions.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: July 13, 1993
    Assignee: Abbott Laboratories
    Inventors: David K. Johnson, Steven J. Kline
  • Patent number: 5214056
    Abstract: A 1,3,2-dioxathiolane oxide derivative is represented by the following formula: ##STR1## wherein X represents --S(O)-- or --S(O).sub.2 --;R.sup.1 represents a hydrogen atom, an alkali metal atom, a benzyl group, or a lower alkyl group;R.sup.2 represents a lower alkyl group which may be substituted with a methylthio group, or a benzyl group, andR.sup.3 and R.sup.4 may be the same or different and independently represent a hydrogen atom, an alkyl group having one to ten carbon atoms, a lower alkyl group substituted with a guanidyl group, a cycloalkyl group having 3 to 6 carbon atoms, a phenyl group, a benzyl group, or a phenethyl group, or together form an alkylene group.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: May 25, 1993
    Assignee: Japan Tobacco Inc.
    Inventors: Jun-ichi Haruta, Masahiro Tanaka, Itsuo Uchida, Akira Ohta, Shin Hara
  • Patent number: 5166377
    Abstract: The invention concerns novel 4-phenyl-1,3-dioxan-5-ylalkenoic acid derivatives of the formula I having cis relative stereochemistry at positions 4 and 5 of the dioxane ring and wherein Ra and Rb are variously hydrogen, alkyl, halogenoalkyl, alkenyl, and optionally substituted aryl or arylalkyl, Rc is hydroxy, alkoxy or alkanesulphonamido, n is 1 or 2, A is ethylene or vinylene, Y is (2-5C)polymethylene optionally substituted by alkyl, and benzene ring B is optionally substituted phenyl, or, when Rc is hydroxy, a salt thereof. The acid derivatives antagonize one or more of the actions of thromboxane A.sub.2 (TXA.sub.2) and are expected to be of value in those disease conditions in which TXA.sub.2 is involved. The invention also provides pharmaceutical compositions containing an acid derivative of formula I, and processes for their chemical production.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: November 24, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Andrew G. Brewster, Peter W. R. Caulkett
  • Patent number: 5164110
    Abstract: New oxygen scavengers for boiler waters have been discovered, which oxygen scavengers are based upon N,N,N',N'-tetra substituted phenylenediamines. These compounds provide oxygen scavenging capabilities, metal passivating capabilities, volatility such that condensate systems in an operating boiler are protected, and may be formulated with other oxygen scavengers and other common treatment agents used in boiler waters.The preferred tetra substituted phenylenediamines are N,N,N',N'-tetramethyl-1,4-phenylenediamines, or its precursors.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: November 17, 1992
    Assignee: Nalco Chemical Company
    Inventors: Scott R. Haraer, Cynthia A. Soderquist, Claudia C. Pierce
  • Patent number: 5112868
    Abstract: The present invention is novel selected hydroxamic acid derivatives of acyl residues of selected NSAIDS, i.e. having 5-lipoxygenase and cyclooxygenase inhibiting properties, pharmaceutical compositions for treating conditions advantageously affected by the inhibition and methods for treating these conditions in mammals, including humans suffering therefor.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: May 12, 1992
    Assignee: Warner-Lambert Company
    Inventors: Wiaczeslaw A. Cetenko, David T. Connor, Daniel L. Flynn, Jagadish C. Sircar
  • Patent number: 5106873
    Abstract: This invention relates to novel compounds which are ACAT inhibitors rendering them useful in lowering blood cholesterol levels. The compounds contain two urea or thiourea, amide, or amine moieties or combinations of said moieties and have the following general formula: ##STR1## wherein m and n are zero or one, W and YNH and ##STR2## form the urea, thiourea, amide or amine moieties; and R.sub.1 and R .sub.2 are hydrogen or a hydrocarbon radical.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: April 21, 1992
    Assignee: Warner-Lambert Company
    Inventors: Patrick M. O'Brien, Drago R. Sliskovic, Michael W. Wilson
  • Patent number: 5105012
    Abstract: There is provided an improved process for the reduction of optionally substituted dinitrobenzenes to the corresponding nitroanilines with high yields which comprises contacting the dinitrobenzene with hydrogen in an acidic medium in the presence of a catalytic amount of a combination of a noble metal hydrogenation catalyst, and iron or an iron salt. Isomer specific reductions may be achieved with those compounds containing suitable directing substituents.The 2-halo-5-nitroanilines which may be produced in this process may be converted via a multi-step synthesis to useful 1-aryl-4-substituted 1,4-dihydro-5H-tetrazol-5-one herbicides.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: April 14, 1992
    Assignee: FMC Corporation
    Inventor: George Theodoridis
  • Patent number: 5101041
    Abstract: A group of functionalized triamine chelants and their derivatives that form complexes with radioactive metal ions are disclosed. The complexes can be covalently attached to a protein or an antibody or antibody fragment and used for therapeutic and/or diagnostic purposes.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: March 31, 1992
    Assignee: The Curators of the University of Missouri
    Inventors: David E. Troutner, Christy S. John, Maroor R. A. Pillai
  • Patent number: 5082968
    Abstract: A method of preparing a hexaalkylguanidinium salt comprising contacting tetraalkylguanidine with an alkylating agent in the presence of at least one alkaline reagent, and optionally, a promoting amount of a phase transfer catalyst.
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: January 21, 1992
    Assignee: General Electric Company
    Inventor: Daniel J. Brunelle
  • Patent number: 5068250
    Abstract: Compounds such as 1-(4-bromoacetamidobenzyl)-5-methoxy-2-methylindole-3-acetic acid, N-(4-bromoacetamidophenyl) anthranilic acid and N-(3-bromoacetamidophenyl) anthranilic acid function as irreversible ligands for nonsteroidal antiinflammatory drug (NSAID) and prostaglandin binding sites. It is therefore expected that these compounds, and analogs thereof, will have utility as anti-inflammatory drugs, as affinity labeling agents and as ligands for use in affinity chromatography.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: November 26, 1991
    Assignee: Trustees of University of Pennsylvania
    Inventors: Trevor M. Penning, Leslie J. Askonas
  • Patent number: 5055582
    Abstract: This invention relates to a process for preparing useful thromboxane A.sub.2 inhibiting (.+-.)7-[3.alpha.-[1-[[(phenylamino)thioxomethyl]hydrazono]ethyl]-1.alpha. ,4.alpha.-bicyclo[2.2.1]hept-2.beta.-yl]-heptenoic acids and useful derivatives thereof from (.+-.)octahydro-1.alpha.-methyl-3a.alpha.,7a.alpha.-4.alpha.,7.alpha.-meth ano-2H-inden-2-ones.
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: October 8, 1991
    Assignee: National Research Development Corporation
    Inventors: Robert B. Garland, Masateru Miyano
  • Patent number: 5041629
    Abstract: The preparation is described of compounds of the structure ##STR1## in which the substituents have the meanings indicated in the descripion. The compounds, which are in part new, are used as intermediate products for dyestuffs.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: August 20, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl J. Herd, Wolfgang Harms
  • Patent number: 5039805
    Abstract: The compound of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 have the significance given in the description, can be used as medicaments for the therapy and prophylaxis of disorders such as thromboses, stroke, cardiac infarct, inflammations and arteriosclerosis as well as for the treatment of tumours.
    Type: Grant
    Filed: November 24, 1989
    Date of Patent: August 13, 1991
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Leo Alig, Albrecht Edenhofer, Marcel Muller, Arnold Trzeciak, Thomas Weller
  • Patent number: 5026906
    Abstract: A new process of synthesis of optically active .alpha.-amino acids is described through nitrosation in a non-aqueous, aprotic system of the corresponding N-carbamyl derivatives followed by decomposition of the thus obtained N-nitroso derivatives in aqueous acidic medium. The process, which is of a general applicability, leads to a remarkable increase in the reaction yields, due to the suppression of the main side reaction leading to the corresponding .alpha.-hydroxy-acid. Some N-nitroso intermediates, which can be recovered from the process of the invention, are also described.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: June 25, 1991
    Assignee: Eniricerche S.p.A.
    Inventors: Sandro Di Gioacchino, Antonio Paolinelli, Luciano Re
  • Patent number: 5021454
    Abstract: Benzoylaminoalkanoic acids and esters thereof are fungitoxic and useful for controlling fungi, particularly phytopathogenic fungi.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: June 4, 1991
    Assignee: Rohm and Haas Company
    Inventor: Ashok K. Sharma
  • Patent number: 5015644
    Abstract: Certain substituted urea, thiourea, carbamate, and thiocarbamate compounds are potent inhibitors of the enzyme acyl-CoA: cholesterol acyltransferase and are thus useful agents for inhibiting the intestinal absorption of cholesterol, and for lowering blood plasma cholesterol.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: May 14, 1991
    Assignee: Warner-Lambert Company
    Inventors: Bruce D. Roth, Bharat K. Trivedi
  • Patent number: 5004817
    Abstract: Compounds having the formula (I): ##STR1## wherein: M is an alkali or alkaline-earth metal or a C.sub.1 -C.sub.18 alkyl group;X is a group selected from --CH.sub.2 --, --CO--, --CH.sub.2 --CO--, --CH(CH.sub.3)--CO--,p is 0 or 1;Ar is a simple or condensed aromatic ring or Ar represents two or more aromatic nuclei bonded either by a simple bond or by an --O--, --S--, --SO.sub.2 --, --SO--, --CO--, --CS--, or --NH-- group;y is H or CH.sub.3 ;m is 1 when Y=--CH.sub.3, or an integer from 1 to 5 (including both values) when Y=H; n is a number ranging from 1 to 500 (including both values); andZ is H; a C.sub.1 -C.sub.18 alkyl; benzyl; glycidyl; acetyl; allyl; --CO--NH--R or --CO--NH--R.sub.1 --NCO group.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: April 2, 1991
    Assignee: Montefibre, S.p.A.
    Inventors: Catia Bastioli, Salvatore Garlisi, Dario Fornara, Vittorio Bellotti
  • Patent number: 4999429
    Abstract: Aryl difluoromethyl sulfone adds to aldehydes under phase transfer conditions to give novel substituted alcohols of the general formulaRCH(OH)CF.sub.2 SO.sub.2 Ar (I)wherein R is an aryl, cycloaliphatic, sec- or tert-aliphatic, or heterocyclic group and Ar is an aryl group. The substituted alcohols of formula I are of particular utility as intermediates in the synthesis of a variety of useful end products. For example, the products of formula I may be utilized in desulfonylation reactions, oxidation reactions and fluorination reactions.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: March 12, 1991
    Assignee: Ethyl Corporation
    Inventor: G. Patrick Stahly
  • Patent number: 4996234
    Abstract: Disclosed are novel 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitors useful as antihypercholesterolemic agents represented by the formula ##STR1## and the corresponding ring-opened hydroxy acids derived therefrom and pharmaceutically acceptable salts thereof.Pharmaceutical compositions containing said compounds and method of inhibiting the biosynthesis of cholesterol therewith are also disclosed.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: February 26, 1991
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: John R. Regan, Kent W. Neuenschwander
  • Patent number: 4994494
    Abstract: Disclosed are novel 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitors useful as antihypercholesterolemic agents represented by the formula ##STR1## and the corresponding ring-opened hydroxy acids derived therefrom and pharmaceutically acceptable salts thereof.Pharmaceutical compositions containing said compounds and method of inhibiting the biosynthesis of cholesterol therewith are also disclosed.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: February 19, 1991
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: John R. Regan, Joseph G. Bruno, Kent W. Neuenschwander, Donald E. Kuhla
  • Patent number: 4933367
    Abstract: This invention relates to carboxylic acid derivatives and their use thereof. The compounds are useful in treatment of various diseases such as diabetes, prediabetic conditions, adipositas ailments or atherosclerosis.
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: June 12, 1990
    Assignee: Boehringer Mannheim GmbH
    Inventors: Hans P. Wolff, Ernst-Christian Witte, Hans-Frieder Kuhnle
  • Patent number: 4888043
    Abstract: The invention concerns compounds of the formula I ##STR1## wherein: Z is selected from hydrogen, alkyl, alkanoyl, sulfamoyl, carboxy and trifluoroacetamido;Y is selected from various carboxy or thiocarboxy groups, haloalkanoyl, alkylsulfonyl and haloalkylsulfonyl;R.sup.1 is selected from hydrogen, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl and alkynyl;R.sup.3 is selected from alkyl; andR.sup.4 is selected from hydrogen, alkyl, and alkoxycarbonyl.The compounds of the invention show herbicidal properties and plant growth regulating properties and in further embodiments and the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of the compounds of formula I, compositions containing as active ingredient a compound of formula I, and herbicidal and plant growth regulating processes utilizing compounds of formula I.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: December 19, 1989
    Assignee: ICI Australia Limited
    Inventors: Keith G. Watson, Craig G. Lovel
  • Patent number: 4883901
    Abstract: A method for synthesizing 2-(4-amidophenoxy)alkanoic acids and esters and 2-(4-aminophenoxy)alkanoic acids and esters by reacting a hydroxyaromatic ketone derivative with a 2-substituted alkanoic acid or ester under basic conditions and thereafter reacting with a hydroxylamine derivative and conducting a Beckmann Rearrangement in the presence of a catalyst with subsequent solvolysis.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: November 28, 1989
    Assignee: Hoechst Celanese Corporation
    Inventor: Varadaraj Elongo
  • Patent number: 4879398
    Abstract: A process for making 2,6-disubstituted tyrosine by the noble metal coupling of a disubstituted aromatic halide or diazonium salt with an amino-protected 2-aminoacrylic acid to form a (Z)-.beta.-(disubstituted phenyl)-.alpha.-acylaminoacrylate, and asymmetrically hydrogenating the acrylate to produce the 2,6-disubstituted tyrosine.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: November 7, 1989
    Assignee: Monsanto Company
    Inventors: Daniel P. Getman, Roy A. Periana, Dennis P. Riley
  • Patent number: 4879403
    Abstract: Compounds of the formula I ##STR1## in which the carboxyl group on carbon atom 3 is orientated in the endo-position relative to the bicyclic ring system of cis-configuration, and in which R.sup.1 denotes hydrogen, allyl, vinyl or a side-chain of a naturally occurring .alpha.-aminoacid, which may be protected, R.sup.2 denotes hydrogen, alkyl, alkenyl or aralkyl, Y denotes hydrogen or hydroxyl and Z denotes hydrogen, or Y and Z together denote oxygen, and X denotes alkyl, alkenyl or cycloalkyl, or aryl which is optionally mono-, di- or tri-substituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy, or denotes indol-3-yl, a process for their preparation, agents containing these compounds and their use.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: November 7, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Volker Teetz, Rolf Geiger, Hansjorg Urbach, Reinhard Becker, Bernward Scholkens
  • Patent number: 4876376
    Abstract: A process for the halogenation (bromination or chlorination)/nitration/fluorination of aromatic derivatives substituted by at least one group containing a halogenoalkyl unit. The aromatic derivative is reacted with a halogen and a nitrating agent in liquid hydrofluoric acid. The products obtained are useful as intermediates for the synthesis of compounds having a plant-protecting or pharmaceutical activity.
    Type: Grant
    Filed: December 15, 1987
    Date of Patent: October 24, 1989
    Assignee: Rhone-Poulenc Specialistes Chimiques
    Inventors: Michael Desbois, Camille Disdier
  • Patent number: 4873253
    Abstract: A phenylalanine derivative having the formula (I): ##STR1## wherein A represents ##STR2## B represents ##STR3## wherein m is 0, 1, or 2 and n is 3, 4, or 5; X represents (a) hydroxy, (b) nitro, (c) amino, (d) phenoxy which may be substituted with (i) halogen or (ii) nitro, (e) c.sub.1 -C.sub.4 alkyloxy which may be substituted wit (i) phenyl or (ii) benzoyl, (f) benzoyl, (g) pyridyloxy which may be substituted with (i) halogen or (ii) nitro, or (h) c.sub.1 -C.sub.4 alkyl which may by substituted with halogen;Y represents ##STR4## or --OR.sup.3 wherein R.sup.1 R.sup.2 are independently (a) hydrogen, (b) phenyl which may be substituted with (i) benzoyl, (ii) C.sub.1 -C.sub.4 alkylcarbonyl, (iii) C.sub.1 -C.sub.4 alkyl which may be further substituted with C.sub.1 -C.sub.4 alkoxycarbonyl or hydroxycarbonyl, (iv) C.sub.2 -C.sub.5 alkenyl which may be further substituted with hydroxycarbonyl or C.sub.1 -C.sub.4 alkoxycarbonyl, (v) C.sub.1 -C.sub.
    Type: Grant
    Filed: March 30, 1987
    Date of Patent: October 10, 1989
    Assignees: Shosuke Okamoto, Showa Denko Kabushiki Kaisha
    Inventors: Shosuke Okamoto, Yoshio Okada, Akiko Okunomiya, Taketoshi Naito, Yoshio Kimura, Morihiko Yamada, Norio Ohno, Yasuhiro Katsuura, Hiroshi Nojima, Takashi Shishikura
  • Patent number: 4861798
    Abstract: Compounds of the formulae ##STR1## wherein n=6-11, M is hydrogen or a pharmaceutically acceptable cation, R is hydrogen or C.sub.1 -C.sub.6 alkyl optionally substituted by a carboxyl group and X.sub.a, X.sub.b and X.sub.c each independently represent hydrogen or a variety of substituent groups are potent inhibitors of 5-lipoxygenase.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: August 29, 1989
    Assignee: Bristol-Myers Company
    Inventors: Kenneth M. Tramposch, Fred C. Zusi, Suresh A. Marathe
  • Patent number: 4851572
    Abstract: A .gamma.-L-glutamyl-4-nitroanilide derivative of the formula: ##STR1## wherein R is a lower hydroxyalkyl group, is suitable as a substrate for determining .gamma.-GTP activity.
    Type: Grant
    Filed: July 1, 1988
    Date of Patent: July 25, 1989
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Hiroshi Ogata, Hiroyoshi Nawa, Kuniaki Tokuda, Masami Ishihara
  • Patent number: 4831175
    Abstract: New polysubstituted diethylenetriaminepentaacetic acid chelates and protein conjugates of the same are described together with the methods of preparing such compounds. A method of delivering radiolabelled compound of the present invention to a target site while minimizing the distribution of the compound to non-targeted organs or tissues is also disclosed.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: May 16, 1989
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Otto A. Gansow, Martin W. Brechbiel
  • Patent number: 4806151
    Abstract: According to the present invention there are provided fungicidal compositions comprising as active ingredient in an amount of 0.01-80% by weight a new benzoic acid derivative of the general Formula I ##STR1## wherein R.sub.1 and R.sub.2 stand for hydrogen, C.sub.1-8 alkyl, C.sub.2-8 alkenyl or benzyl;R.sub.3 represents hydrogen, C.sub.1-8 alkyl or C.sub.2-8 alkenyl;R.sub.1 and R.sub.2 may be the same or different; and R.sub.3 may be identical with or different from R.sub.1 and/or R.sub.2.According to the present invention there is provided a process for the preparation of the compounds of the general Formula I which comprises esterifying 4-chloro-3,5-dinitro-benzoic acid with a saturated or unsaturated aliphatic alcohol at a temperature between 20.degree. C. and 120.degree. C.--preferably at 60.degree.-100.degree. C.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: February 21, 1989
    Assignee: Budapesti Vegyimuvek
    Inventors: Peter Bohus, Ferenc Bihari, Marianna Kertesz nee Szabo, Istvan Kuronya, Peter Boros, Janos Szulagyi, Jeno Meszaros, Gyula Eifert, Agnes Meszaros nee Szekrenyes, Odon S. Jartoo, Laszlo Gondos
  • Patent number: 4804765
    Abstract: The invention concerns a novel process for the synthesis of N-[(1'-allyl-2'-pyrrolidinyl) methyl]-2-methoxy-4,5-azimidobenzamide, which successively comprises the preparation of 2-methoxy-4,5-diaminobenzoic acid, 2-methoxy-4,5-diacetylaminobenzoic acid, N-(2',5'-dihalopentyl)-2-methoxy-4,5-diacetylaminobenzamide, N-[(1'-allyl-2'-pyrrolidinyl) methyl]-2-methoxy-4,5-diacetylaminobenzamide and then N-[(1'-allyl-2'-pyrrolidinyl) methyl]-2-methoxy-4,5-azimido benzamide.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: February 14, 1989
    Assignee: Societe D'Etudes Scientifiques et Industrielles de L'Ile-d-France
    Inventors: Jacques Acher, Jean-Claude Monier
  • Patent number: 4803270
    Abstract: A process is disclosed for producing a fluoroaniline derivative of the formula: ##STR1## wherein X is an oxygen atom or an imino group. The process includes reacting 1,5-dichloro-2,4-dinitrobenzene with a glycol derivative of the formula:Y--CH.sub.2 --XH (II)wherein X is defined above and Y is a cyano group, a carboxy group or a lower alkoxycarbonyl group to produce a chlorodinitrobenzene derivative of the formula: ##STR2## wherein X and Y are as defined above. The chlorodinitrobenzene derivative (III) is reacted with a metal fluoride to produce a fluorodinitrobenzene derivative of the formula: ##STR3## wherein X and Y are as defined above. The fluorodintrobenzene derivative (IV) is subjected to reductive cyclization to obtain the fluoroaniline derivative (I).
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: February 7, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Ichiki Takemoto
  • Patent number: 4783535
    Abstract: A process for the preparation of 1,4-oxazepinones and thiones having the formula: ##STR1## wherein A is an aromatic ring selected from benzene, naphthalene, quinoline or pyridine; n is 1 to 3; Z is an amino radical; R is hydrogen, loweralkyl, cycloalkyl or phenylloweralkyl; and R.sup.4 and R.sup.5 are hydrogen and loweralkyl starting from chloroaromatic carboxylates and alkanolamines is disclosed. The oxazepinones and oxazepinethiones prepared by the process have utility as antihistaminics with low sedative potential. Novel intermediate compounds are also disclosed.
    Type: Grant
    Filed: March 18, 1986
    Date of Patent: November 8, 1988
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Young S. Lo, Albert D. Cale, Jr.
  • Patent number: H973
    Abstract: 5-carboxy-1,3-diamino-2,4,6-trinitrobenzene (DATBA), ##STR1## which is prepared by reacting 5-fluoro-1,3-diamino-2,4,6-trinitrobenzene with cyanotrimethylsilane to form 5-cyano-1,3-diamino-2,4,6-trinitrobenzene which is then hydrolyzed with a strong acid to form the DATBA.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: October 1, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Michael Chaykovsky, Horst G. Adolph