Cyano Bonded Directly To The Six-membered Hetero Ring Patents (Class 546/286)
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Patent number: 6432960Abstract: A series of antagonists of NPY have been synthesized and are comprised of squarate derivatives of 4-phenyl-1,4-dihydropyridines of Formula (I). As antagonists of NPY-induced behavior, these compounds are expected to act as effective anorexiant agents in promoting weight loss and treating eating disorders.Type: GrantFiled: April 24, 2001Date of Patent: August 13, 2002Assignee: Bristol-Myers Squibb CompanyInventors: Sing-Yuen Sit, Graham S. Poindexter
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Patent number: 6433214Abstract: A process for the preparation of 2-(4-methylphenyl)benzoic acid C1-6alkyl esters by reaction of a sulfonic derivative of formula wherein R is C1-6alkyl and R1 is optionally perfluorinated C1-6alkyl or optionally substituted C1-6aryl, with a 4-methylphenylzinc halide.Type: GrantFiled: April 3, 2000Date of Patent: August 13, 2002Assignee: Dipharma S.p.A.Inventors: Graziano Castaldi, Antonio Tarquini, Renzo Rossi
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Publication number: 20020087004Abstract: 4-Haloalkylnicotinonitriles having the formula (I) 1Type: ApplicationFiled: December 13, 2001Publication date: July 4, 2002Inventors: Sergiy Pazenok, Henricus Maria Martinus Bastiaans
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Patent number: 6392050Abstract: The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.Type: GrantFiled: June 4, 2001Date of Patent: May 21, 2002Assignee: Bayer AktiengesellschaftInventors: Norbert Lui, Hans Panskus, Albert Schnatterer
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Publication number: 20020058646Abstract: The present invention is directed to a series of substituted pyridine compounds, a method for selectively controlling neurotransmitter release in mammals using these compounds, and pharmaceutical compositions containing these compounds. Preferred compounds are 3′-(5′- and/or 6′-substituted) pyridyl ethers.Type: ApplicationFiled: February 1, 2001Publication date: May 16, 2002Inventors: Nan-Horng Lin, Liming Dong
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Patent number: 6369230Abstract: A process of preparing 4-substituted pyridine compounds via pyridine betaine compounds.Type: GrantFiled: April 13, 2000Date of Patent: April 9, 2002Assignee: Reilly Industries, Inc.Inventors: Joe W. Curtis, Marudai Balasubramanian, Joel R. Calvin, Eric F. V. Scriven, Charles R. Hopper, Ramiah Murugan, L. Mark Huckstep
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Patent number: 6353099Abstract: Compounds of Formula I are antagonists of VLA-4 and/or &agr;4&bgr;7, and as such are useful in the inhibition or prevention of cell adhesion and cell-adhesion mediated pathologies. These compounds may be formulated into pharmaceutical compositions and are suitable for use in the treatment of AIDS-related dementia, allergic conjunctivitis, allergic rhinitis, Alzheimer's disease, asthma, atherosclerosis, autologous bone marrow transplantation, certain types of toxic and immune-based nephritis, contact dermal hypersensitivity, inflammatory bowel disease including ulcerative colitis and Crohn's disease, inflammatory lung diseases, inflammatory sequelae of viral infections, meningitis, multiple sclerosis, multiple myeloma, myocarditis, organ transplantation, psoriasis, pulmonary fibrosis, restenosis, retinitis, rheumatoid arthritis, septic arthritis, stroke, tumor metastasis, uveititis, and type I diabetes.Type: GrantFiled: August 17, 2000Date of Patent: March 5, 2002Assignee: Merck & Co., Inc.Inventors: Stephen E. DeLaszlo, William K. Hagmann, Theodore M. Kamenecka
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Patent number: 6346541Abstract: The present invention relates to hitherto unknown compounds of formula (I) or their tautomeric forms, the attachment to the pyridine ring being in the 3- or 4-position, in which formula R1 stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, halogen, trifluoromethyl, carboxy, C1-C4 alkyl, alkoxy or alkoxycarbonyl, nitro, amino or cyano and Q stands for C4-C20 divalent hydrocarbon radical which can be straight, branched, cyclic, saturated or unsaturated and X stands for carbonyl, carbonylamino, aminocarbonyl, oxycarbonyloxy, oxycarbonyl, carbonyloxy, aminocarbonyloxy, aminothiocarbonyloxy, oxycarbonylamino or oxythiocarbonylamino and Y stands for benzylene or phenylene and R2 stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, C1-C4 alkyl, hydroxyalkyl or alkoxy, hydroxy, halogen, trifluoromethyl, cyano, carboxamido, sulfamoyl, nitro, amino, caType: GrantFiled: November 26, 1999Date of Patent: February 12, 2002Assignee: Leo Pharmaceutical Products Ltd. A/SInventor: Charlotte Schou Hunneche
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Publication number: 20020016345Abstract: Compounds of formula (I) in which the substituents are as defined in claim 1 are suitable for use as herbicides.Type: ApplicationFiled: March 12, 2001Publication date: February 7, 2002Inventors: Andrew Edmunds, Karl Seckinger, Christoph Luthy, Walter Kunz, Alain De Mesmaeker, Jurgen Schaetzer
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Publication number: 20020002285Abstract: The invention relates to a process for preparing substituted pyridines in a simple and cost-effective manner in good yields by reacting substituted 1,4-dihydropyridines with methyl nitrite in the presence of an acid that contains less than 20% by weight of oxidizing components.Type: ApplicationFiled: June 4, 2001Publication date: January 3, 2002Inventors: Norbert Lui, Hans Panskus, Albert Schnatterer
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Patent number: 6284893Abstract: There is disclosed a process for producing a nitrile compounds by ammoxidation of a carbocyclic or heterocyclic compound having organic substituent(s) by reacting the compound with ammonia and an oxygen-containing gas, wherein unreacted ammonia is recovered from the reaction product gas and recycled to the reaction system.Type: GrantFiled: December 22, 2000Date of Patent: September 4, 2001Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takuji Shitara, Takashi Okawa, Shuji Ebata, Fumisada Kosuge
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Patent number: 6281359Abstract: Disclosed are compounds of the formula: where S and V are various organic or inorganic substituents; G and K are the same or different and represent N or CR′ where R′ is an organic or inorganic substituent; R is hydrogen or an alkyl group; R1, X, Y, Z and T are organic or inorganic substituents; and R2 and R3 represent hydrogen or organic substituents; or NR2R3 together represents a heterocyclic ring system; and the pharmaceutically acceptable salts thereof; which are highly selective partial agonists or antagonists at brain dopamine receptor subtypes and, thus, are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism.Type: GrantFiled: June 1, 1995Date of Patent: August 28, 2001Assignee: Neurogen CorporationInventors: Jun Yuan, Andrew Thurkauf
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Publication number: 20010007039Abstract: There is disclosed a process for producing a nitrile compounds by ammoxidation of a carbocyclic or heterocyclic compound having organic substituent(s) by reacting the compound with ammonia and an oxygen-containing gas, wherein unreacted ammonia is recovered from the reaction product gas and recycled to the reaction system. In the first process of the present invention, the ammoxidation is conducted by vapor-phase catalytic reaction in the presence of a fluid catalyst containing at least one metal oxide selected from the group consisting of vanadium oxide, molybdenum oxide and iron oxide while controlling a water concentration of a gas fed to a reactor to 12% by volume or lower by adjusting a water content of the recovered ammonia by distillation, thereby avoiding deterioration in activity of the catalyst due to recycle of the recovered ammonia. As a result, it is possible to stably obtain the aimed product at a high yield for a long period of time.Type: ApplicationFiled: December 22, 2000Publication date: July 5, 2001Inventors: Takuji Shitara, Takashi Okawa, Shuji Ebata, Fumisada Kosuge
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Patent number: 6251925Abstract: The present invention relates to therapeutic biaryl derivatives of formula (I), and pharmaceutically acceptable derivatives thereof wherein R1 is a phenyl, naphthyl, pyridyl, thiazolyl, phenoxymethyl, or pyrimidyl group, optionally substituted by one or more substituents selected from the group consisting of halogen, hydroxy, C1-6alkoxy, C1-6alkyl, nitro, cyano, hydroxymethyl, trifluoromethyl, —NR6R6, and —NHSO2R6, where each R6 is independently hydrogen or C1-4alkyl; R2 is hydrogen or C1-6alkyl; X is oxygen, sulfur, —NH, or —NC1-4alkyl; R3 is cyano, tetrazol-5-yl, or —CO2R7 where R7 is hydrogen or C1-6alkyl; R4 and R5 are independently hydrogen, C1-6alkyl, —CO2H, —CO2C1-6alkyl, cyano, tetrazol-5-yl, halogen, trifluoromethyl, or C1-6alkoxy, or, when R4 and R5 are bonded to adjacent carbon atoms, R4 and R5 may, together with the carbon atoms to which they are bonded, form a fused 5 or 6 membered ring optionally containing one or two nitrogen, oxygen,Type: GrantFiled: December 13, 2000Date of Patent: June 26, 2001Assignee: Glaxo Wellcome Inc.Inventors: Kelly Horne Donaldson, Barry George Shearer, David Edward Uehling
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Patent number: 6248892Abstract: 2-, 3- or 4-arylpyridines are prepared by reacting a halopyridine with an aryl Grignard compound, where the halogen is chlorine or bromine, in the presence of a palladium catalyst of the formula (IV)Type: GrantFiled: July 1, 1999Date of Patent: June 19, 2001Assignee: Clariant GmbHInventors: Antje Noerenberg, Steffen Haber, Andreas Meudt
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Patent number: 6228810Abstract: Pyridine derivatives of the formula I and their salts, their preparation, and their use for controlling animal pests and harmful fungi.Type: GrantFiled: March 17, 1999Date of Patent: May 8, 2001Inventors: Franz Röhl, Volker Harries, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Arne Ptock, Hubert Sauter, Wassilios Grammenos, Thomas Grote, Herbert Bayer, Reinhard Kirstgen, Klaus Oberdorf, Bernd Müller, Ruth Müller
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Patent number: 6218543Abstract: Described are processes for the large, commercial scale production of USP grade nicotinamide, wherein the USP grade product is isolated using novel strategies which minimize product waste, and avoid the need for crystallizations and/or ameliorate complications arising in crystallization strategies. Preferred processes involve the processing of nicotinamide reaction crudes over both cation exchange and weak base resins and the subsequent recovery of USP grade nicotinamide by simple evaporation.Type: GrantFiled: July 21, 1999Date of Patent: April 17, 2001Inventors: Martin Grendze, Susan L. Vorhies
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Patent number: 6204385Abstract: A process for preparing amidines and their salts with inorganic or organic acids comprises reacting the corresponding nitrile with ammonia, C1-C6-alkylamine or hydrazine in the presence of a mercaptocarboxylic acid and in the presence or absence of an in-organic or organic ammonium salt.Type: GrantFiled: March 1, 1999Date of Patent: March 20, 2001Assignee: BASF AktiengesellschaftInventors: Bernd Schäfer, Thomas Zierke
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Patent number: 6197964Abstract: The process according to the invention can be illustrated by way of example by the following equation: The monosodium salt of the 3-cyano-2-hydroxy-5-fluoropyrid-6-one (cf. Formula (I)) and/or tautomers thereof are preferably employed in the process according to the invention. The use of a basic catalyst enables significantly lower amounts of chlorinating agent to be employed in the chlorination according to the invention than is necessary, for example, for chlorination of the free dihydroxy compound according to EP-A 333 020. Furthermore, the product 2,6-dichloro-5-fluoronicotinonitrile is obtained in a high purity and high yields after hydrolysis, which is not the case if the conditions according to EP-A 333 020 are applied. Basic catalysts which can be used for the process according to the invention are, for example, organic bases, for example aliphatic and aromatic amines and amides, and also inorganic bases, for example basic compounds of nitrogen and phosphorus and salts thereof.Type: GrantFiled: September 27, 1999Date of Patent: March 6, 2001Assignee: Bayer AktiengesellschaftInventors: Andreas Sattler, Guido Steffan, Bernd Griehsel
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Patent number: 6191280Abstract: A process for preparing thiopyridines of the formula I where the substituents are as defined in the description.Type: GrantFiled: November 17, 1999Date of Patent: February 20, 2001Assignee: BASF AktiengesellschaftInventors: Gerhard Hamprecht, Markus Menges, Olaf Menke, Robert Reinhard, Peter Schäfer, Cyrill Zagar
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Patent number: 6150397Abstract: The present invention relates to certain 5-aroylnaphthalene derivatives of formula (I): ##STR1## that are inhibitors of prostaglandin G/H synthase, pharmaceutical compositions containing them, methods for their use, and methods for preparing these compounds.Type: GrantFiled: June 21, 1999Date of Patent: November 21, 2000Assignee: Syntex (U.S.A.) Inc.Inventors: David Mark Rotstein, Eric Brian Sjogren
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Patent number: 6130334Abstract: The invention encompasses a process for making compounds of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases.Type: GrantFiled: April 15, 1998Date of Patent: October 10, 2000Assignee: Merck & Co., Inc.Inventors: Philip J. Pye, Ashok Maliakal, Kai Rossen, Ralph P. Volante, Jess Sager
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Patent number: 6130226Abstract: Cyano and carboxy derivatives of substituted styrenes are inhibitors of tumor necrosis factor .alpha., nuclear factor .kappa.B, and phosphodiesterase and can be used to combat cachexia, endotoxic shock, retrovirus replication, asthma, and inflammatory conditions. A typical embodiment is 3,3-bis-(3,4-dimethoxyphenyl)acrylonitrile.Type: GrantFiled: March 18, 1999Date of Patent: October 10, 2000Assignee: Celgene CorporationInventors: George W. Muller, Mary Shire
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Patent number: 6127545Abstract: The invention encompasses a process for making compounds of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases.Type: GrantFiled: September 18, 1998Date of Patent: October 3, 2000Assignee: Merck & Co., Inc.Inventors: Philip J. Pye, Kai Rossen, Ashok Maliakal, Ralph P. Volante, Jess Sager, Jean-Francois Marcoux, Ian Davies, Edward G. Corley, Daniel Richard Sidler, Robert D. Larsen
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Patent number: 6118003Abstract: A process for the production of 3-cyanopyridine by ammoxidation of 2-methyl-1,5-pentanediamine to form 3-cyanopyridine, optionally carried out as an oxidative ammonolysis process.Type: GrantFiled: January 29, 1998Date of Patent: September 12, 2000Assignee: Reilly Industries, Inc.Inventors: Colin H. McAteer, Joel R. Calvin, Robert D. Davis, Sr.
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Patent number: 6107299Abstract: Compounds of formula I, N-oxides or salts, thereof ##STR1## in which q is 0, 1 or 2A is CH and D is N.sup.+ R.times.1/n Q.sup.n- or A is N and D is N.sup.+ R.times.1/n Q.sup.n- or A is CH or N and D is Nor A is N.sup.+ R.times.1/n Q.sup.n- and D is N, R is CR.sup.6 R.sup.7 D.sup.a R.sup.8,Q.sup.n- is an inorganic or organic anion, n being 1, 2, 3 or 4;X is NH, O or S(O).sub.q, (q is 0, 1 or 2); and the R groups have various meanings as defined in the claims are useful pesticidal, especially insecticidal activity.Type: GrantFiled: May 18, 1999Date of Patent: August 22, 2000Assignee: Hoechst Schering AgrEvo GmbHInventors: Harald Jakobi, Matthias Eckhardt, Wolfgang Schaper, Ralf Braun, Gerhard Krautstrunk, Oswald Ort, Ulrich Sanft, Maria-Theresia Thonessen, Werner Bonin
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Patent number: 6072068Abstract: The present invention relates to certain 16-hydroxy-11-(substituted phenyl)-estra-4,9-diene derivatives, to processes for their preparation, to pharmaceutical formulations containing them and to their use in medicinal therapy, particularly in the treatment or prophylaxis of glucocorticoid dependent diseases or symptoms.Type: GrantFiled: July 14, 1999Date of Patent: June 6, 2000Assignee: Akzo Nobel N.V.Inventors: Marinus Bernard Groen, Ronald Gebhard
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Patent number: 6046221Abstract: Novel aryl amides are inhibitors of tumor necrosis factor .alpha. and can be used to combat cachexia, endotoxic shock, and retrovirus replication. A typical embodiment is N-benzoyl-3-amino-3-(3',4'-dimethoxyphenyl)propanamide.Type: GrantFiled: August 25, 1998Date of Patent: April 4, 2000Assignee: Celgene CorporationInventors: George W. Muller, Mary Shire, David I. Stirling
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Patent number: 6043197Abstract: Pyridylacetic acids of the formula I ##STR1## wherein X is NOCH.sub.3, CHOCH.sub.3 and CHCH.sub.3 ;Y is oxygen or NR.sup.a ;R is cyano, nitro, trifluoromethyl, halogen, alkyl and alkoxy;m is 0, 1 or 2;R.sup.1 is hydrogen or alkyl;R.sup.2, R.sup.3 and R.sup.4 are hydrogen, cyano, nitro, hydroxyl, amino, halogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl and hetaryl, each of which is bonded directly or via --O--, --S-- or --N--,R.sup.4 is furthermore CR.sup.d .dbd.NOR.sup.e ;or a salt thereof, processes and intermediates for their preparation and their use for controlling harmful fungi or pests.Type: GrantFiled: April 23, 1998Date of Patent: March 28, 2000Assignee: BASF AktiengesellschaftInventors: Bernd Muller, Hubert Sauter, Herbert Bayer, Wassilios Grammenos, Thomas Grote, Reinhard Kirstgen, Klaus Oberdorf, Franz Rohl, Norbert Gotz, Michael Rack, Ruth Muller, Gisela Lorenz, Eberhard Ammermann, Siegfried Strathmann, Volker Harries
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Patent number: 6040450Abstract: The invention encompasses a process for making compounds of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases.Type: GrantFiled: September 15, 1998Date of Patent: March 21, 2000Assignee: Merck & Co., Inc.Inventors: Ian W. Davies, Michel Journet, Linda Gerena, Robert D. Larsen, Philip J. Pye, Kai Rossen
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Patent number: 6040319Abstract: The invention encompasses a process for making compounds of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases.Type: GrantFiled: April 23, 1999Date of Patent: March 21, 2000Assignee: Merck & Co., Inc.Inventors: Edward G. Corley, Ian W. Davies, Robert D. Larsen, Philip J. Pye, Kai Rossen
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Patent number: 6034107Abstract: The present invention provides novel 5-substituted picolinic acid compounds of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 are independently H, C.sub.2 -C.sub.6 acyl or halo-substituted benzoyl; and R.sup.3 is --C(O)O--C.sub.1 -C.sub.6 alkyl, C(O)OH, CN, CONH.sub.2, CONHCH.sub.3, CON(CH.sub.3).sub.2, 1-methyltetrazole or 2-methyltetrazole, with the proviso that when R.sub.2 is acetyl and R.sup.3 is methoxycarbonyl, R.sup.1 is not H; and that when R.sup.3 is CN, CONH.sub.2, CONHCH.sub.3, CON(CH.sub.3).sub.2, 1-methyltetrazole or 2-methyltetrazole, R.sup.1 and R.sup.2 are H.The present invention also relates to a pharmaceutical composition comprising compound of the present invention, which is useful in the treatment of IL-1 and TNF mediated diseases or the like.The present invention further relates to a process for producing the compounds of the formula (I).Type: GrantFiled: October 26, 1998Date of Patent: March 7, 2000Assignee: Pfizer Inc.Inventors: Hideo Hirai, Katsuomi Ichikawa, Nakao Kojima, Hiroyuki Nishida, Kunio Satake, Nobuji Yoshikawa
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Patent number: 6013800Abstract: This invention relates to a solid catalyst having the following formula for preparing nitrites and its preparation, in particular which contains molybdenum and phosphorus, etc. as main component which can improve the conversion and the selectivity in case of using as a catalyst during the process for preparing a heteroaromatic nitriles.Mo.sub.x P.sub.y O.sub.z X Ywherein,Mo is molybdenum;P is phosphorus;O is oxygen;X is ammonium salt or ion;Y is water; andx,y and z are respectively a number of atom, wherein y/x is 0.01.about.5 and z is 0.01.about.10.Type: GrantFiled: October 21, 1996Date of Patent: January 11, 2000Assignee: Korea Research Institute of Chemical TechnologyInventors: Young K. Lee, Chae-Ho Shin, Tae-Sun Chang, Deug-Hee Cho, Dong-Ku Lee
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Patent number: 5998448Abstract: The invention relates to new combinations of dihydropyridines of the general formula (I) ##STR1## in which R.sup.1 to R.sup.5 have the meaning indicated in the description, for the prevention and treatment of vascular disorders, in particular of cardiovascular and cerebrovascular disorders, containing dihydropyridines having calcium antagonist activity, acetylsalicylic acid nitroesters and vitamins, and, if appropriate, also further auxiliaries or active compounds.Type: GrantFiled: October 24, 1997Date of Patent: December 7, 1999Assignee: Bayer AktiengeselechaftInventors: Eva Lesur, Dieter Neuser, Oswald Lockhoff, Elisabeth Perzborn, Johannes Peter Stasch, Peter Kurka
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Patent number: 5990339Abstract: The present invention relates to phenylacetic acid derivatives of the formula I ##STR1## where the substituents and the index have the following meanings: X is NOCH.sub.3, CHOCH.sub.3, CHCH.sub.3 and [sic] CHCH.sub.2 CH.sub.3 ;R.sup.1 is hydrogen and [sic] C.sub.1 -C.sub.4 -alkyl;R.sup.2 is cyano, nitro, trifluoromethyl, halogen, C.sub.1 -C.sub.4 -alkyl and [sic] C.sub.1 -C.sub.4 -alkoxy;m is 0, 1 or 2, it being possible for the R.sup.2 radicals to be different if m is 2;R.sup.3 is hydrogen, cyano, nitro, hydroxyl, amino, halogen, C.sub.1 -C.sub.1 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkylamino or di-C.sub.1 -C.sub.4 -alkylamino;R.sup.4 is hydrogen, cyano, nitro, hydroxyl, amino, halogen,R.sup.5 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.2 -C.sub.10 -alkenyl, C.sub.2 -C.sub.10 -alkynyl, C.sub.1 -C.sub.10 -alkylcarbonyl, C.sub.2 -C.sub.10 -alkenylcarbonyl, C.sub.3 -C.sub.Type: GrantFiled: June 16, 1998Date of Patent: November 23, 1999Assignee: BASF AktiengesellschaftInventors: Herbert Bayer, Hubert Sauter, Ruth Muller, Wassilios Grammenos, Albrecht Harreus, Reinhard Kirstgen, Franz Rohl, Eberhard Ammermann, Gisela Lorenz
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Patent number: 5961945Abstract: An ammoxidizable compound is reacted with an ammonium salt, especially an inorganic ammonium salt, in the presence of a source of oxygen and an ammoxidation catalyst at 100 to 700.degree. C., preferably 200 to 700.degree. C., in order to produce cyano compounds of the formula R--CN, in which R is H or an organic group.Type: GrantFiled: November 14, 1997Date of Patent: October 5, 1999Assignee: Degussa AktiengesellschaftInventors: Lukas M. J. Von Hippel, Jorg Sauer, Rudiger Schutte, Manfred Sauer, Dietrich Arntz
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Patent number: 5959116Abstract: A pyridine-2,3-dicarboxylic acid diester of the formula Va ##STR1## where the radicals R.sup.2 and R.sup.4 have the meanings set out in the specification and where R.sup.8 is a C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.5 -alkenyl or C.sub.3 -C.sub.5 -alkynyl radical, which may be substituted by halogen, phenyl or C.sub.1 -C.sub.4 -alkoxy.Type: GrantFiled: July 12, 1996Date of Patent: September 28, 1999Assignee: BASF AktiengesellschaftInventors: Gerhard Hamprecht, Peter Munster, Matthias Gerber, Helmut Walter, Karl-Otto Westphalen
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Patent number: 5955615Abstract: Dyestuffs of the formula whereinD is the radical of a carbo- or heterocyclic diazo component,X represents O, NH, NT, NCOT, NCCH.sub.2 T or NSO.sub.2 T,and the other substituents have the meaning given in the description, are preferably suitable, if m=n=l=o, for dyeing and printing hydrophobic synthetic fiber materials and mixtures thereof with naturally occurring fiber materials.Type: GrantFiled: May 18, 1998Date of Patent: September 21, 1999Assignee: Bayer AktiengesellschaftInventor: Rainer Hamprecht
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Patent number: 5952508Abstract: This invention relates to a process for the preparation of highly active and selective ammoxidation catalyst of formula (VO).sub.2 P.sub.2 O.sub.7, TiO.sub.2 or (VO).sub.2 P.sub.2 O.sub.7, Al.sub.2 O.sub.3, which process comprises refluxing a vanadium source in the presence of alcohols; adding a source of phosphorous to form vanadyl pyrophosphate hydrate (VO).sub.2 H.sub.4 P.sub.2 O.sub.9 or (VO).sub.2 P.sub.2 O.sub.7.2H.sub.2 O; Physical mixing of (VO).sub.2 H.sub.4 P.sub.2 O.sub.9 with oxides selected from titania or alumina, and heating the resultant mixture in the presence of air at a temperature in the range of 300-600.degree. C. for a period in the range of 1 to 10 hours; and the use of said ammoxidation catalyst in the preparation of heteroaromatic nitrites.Type: GrantFiled: March 10, 1998Date of Patent: September 14, 1999Assignee: Council of Scientific & Industrial ResearchInventors: Panja Kanta Rao, Kamaraju Seetha Rama Rao, Vattikonda Venkata Rao, Kalevaru Venkata Narayana, Akula Venugopal, Alla Venkata Rama Rao, Machiraju Subrahmanyam
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Patent number: 5922767Abstract: Disclosed herein are substituted benzylurea derivatives represented by the following general formula (1): ##STR1## wherein R.sup.1 and R.sup.2 are independently H, a halogen atom, or an alkyl or alkoxyl group, R.sup.3 is a phenyl or heterocyclic group which may be substituted, n is an integer of 1-6, and R.sup.4 is a phenyl group which may be substituted, or salts thereof, and medicines comprising such a derivative as an active ingredient. The derivatives or salts thereof strongly inhibit only ACAT in macrophages and are hence useful as prophylactic and therapeutic agents for arteriosclerosis.Type: GrantFiled: October 7, 1997Date of Patent: July 13, 1999Assignee: SS Pharmaceutical Co., Ltd.Inventors: Yoshihiko Kanamaru, Hiroyuki Hirota, Akihiro Shibata, Teruo Komoto, Hiroyuki Naito, Koichi Tachibana, Mari Ohtsuka, Fumio Ishii, Susumu Sato
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Patent number: 5922898Abstract: The present invention provides a process for preparing biaryl compounds comprising reacting an arylmetal reagent selected from arylmagnesium reagents and aryllithium reagents with an arylhalide in the presence of a catalyst system comprising a catalyst selected from nickel catalysts and palladium catalysts and a cocatalyst selected from zinc cocatalysts and cadmium cocatalysts. The present invention specifically provides a process for the preparation of 2-(4'-methylphenyl)benzonitrile comprising reacting a 4-methylphenylmagnesium reagent with a 2-halobenzonitrile in the presence of a catalyst system comprising a catalyst selected from nickel catalysts and palladium catalysts and a zinc cocatalyst.Type: GrantFiled: November 7, 1997Date of Patent: July 13, 1999Assignee: Catalytica Pharmaceuticals, Inc.Inventors: Joseph Arthur Miller, Robert Patrick Farrell
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Patent number: 5919930Abstract: Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates.In a process for preparing polycyclic aromatic compounds by cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates under palladium catalysis in the presence of at least one water-soluble complex ligand, the reaction medium comprises an aqueous and an organic phase and the palladium is added in the form of a palladium compound soluble in the organic phase.Polycyclic aromatic compounds can thus be prepared economically and in very good yields and simultaneously very high purity, in particular without contamination by the complexing ligands.Type: GrantFiled: July 26, 1995Date of Patent: July 6, 1999Assignee: Hoechst AktiengesellschaftInventors: Steffen Haber, Javier Manero
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Patent number: 5916905Abstract: A class of substituted pyridyl compounds is described for use in treating inflammation and inflammation-related disorders. Compounds of particular interest are defined by Formula II wherein R.sup.1 is selected from hydrido, halo, alkoxy, haloalkoxy, aryl, alkylthio, alkylamino, aralkoxy, azido and alkenyloxy; wherein R.sup.2 is selected from hydrido, cyano, hydroxyalkyl, haloalkyl, aminoalkyl, alkylaminoalkyl, alkylcarbonyloxyalkyl, aminocarbonyl and alkylcarbonylaminoalkyl; and wherein R.sup.5 and R.sup.6 are one or more radicals independently selected from halo, alkylsulfonyl, aminosulfonyl, alkoxy and alkylthio; provided one of R.sup.5 and R.sup.6 is substituted with alkylsulfonyl, aminosulfonyl, or haloalkylsulfonyl; or a pharmaceutically-acceptable salt thereof.Type: GrantFiled: August 8, 1997Date of Patent: June 29, 1999Assignee: G. D. Searle & Co.Inventors: Richard M Weier, Len F Lee, Richard A Partis, Francis J Koszyk
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Patent number: 5910465Abstract: This invention relates to a process for the preparation of highly active and selective ammoxidation catalyst of formula (VO).sub.2 P.sub.2 O.sub.7 ,TiO.sub.2 or (VO).sub.2 P.sub.2 O.sub.7, Al.sub.2 O.sub.3, which process comprises refluxing a vanadium source in the presence of alcohols; adding a source of phosphorous to form vanadyl pyrophosphate hydrate (VO).sub.2 H.sub.4 P.sub.2 O.sub.9 or (VO).sub.2 P.sub.2 O.sub.7.2H.sub.2 O ; Physical mixing of (VO).sub.2 H.sub.4 P.sub.2 O.sub.9 with oxides selected from titania or alumina, and heating the resultant mixture in the presence of air at a temperature in the range of 300-600.degree.C. for a period in the range of 1 to 10 hours; and the use of said ammoxidation catalyst in the preparation of heteroaromatic nitrites.Type: GrantFiled: March 12, 1996Date of Patent: June 8, 1999Assignee: Council of Scientific & Industrial ResearchInventors: Panja Kanta Rao, Kamaraju Seetha Rama Rao, Vattikonda Venkata Rao, Kalavaru Venkata Narayana, Akula Venugopal, Alla Venkata Rama Rao, Machiraju Subrahmanyam
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Method and apparatus for direct oxygen injection with a reactant stream into a fluidized bed reactor
Patent number: 5895817Abstract: A system provides an oxygen-bearing gas and gaseous reactant stream to a fluidized bed reactor using a sparger to entrain the oxygen-bearing gas into the reactant gas stream. A feed line couples the sparger to the reactor's fluidized bed and introduces the reactant gas stream and entrained oxygen-bearing gas directly into contact with the fluidized bed. A controller controls and maintains both the amount of oxygen-bearing gas and the gaseous reactant above an upper flammability limit, preferably with a safety margin of at least 10%.Type: GrantFiled: June 19, 1997Date of Patent: April 20, 1999Assignee: Praxair Technology, Inc.Inventor: Matthew Lincoln Wagner -
Patent number: 5892049Abstract: A method of producing cyanopyridines by means of the catalytic reaction of methylpyridines with ammonia and oxygen at elevated temperature using catalysts consisting of compounds of the elements antimony, vanadium, silicon, titanium and oxygen and compounds of one or more of the alkali metals as well as a method of producing the catalysts and the catalysts themselves.Type: GrantFiled: April 29, 1997Date of Patent: April 6, 1999Assignee: Degussa AktiengesellschaftInventors: Lukas V. Hippel, Armin Neher, Dietrich Arntz
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Patent number: 5861407Abstract: A class of substituted 1,2,3,6-tetrahydropyridine derivatives are disclosed that are ligands for dopamine receptor subtypes within the body. These compounds are therefore useful in the treatment and/or prevention of disorders of the dopamine system, in particular schizophrenia or depression.Type: GrantFiled: February 21, 1997Date of Patent: January 19, 1999Assignee: Merck Sharp & Dohme, Ltd.Inventors: Neil Roy Curtis, Janusz Jozef Kulagowski, Paul David Leeson, Ian Michael Mawer, Mark Peter Ridgill
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Patent number: 5861419Abstract: The invention encompasses the novel compound of Formula I as well as a method of treating COX-2 mediated diseases comprising administration to a patient in need of such treatment of a non-toxic therapeutically effective amount of a compound of Formula I. ##STR1## The invention also encompasses certain pharmaceutical compositions for treatment of COX-2 mediated diseases comprising compounds of Formula I.Type: GrantFiled: July 11, 1997Date of Patent: January 19, 1999Assignee: Merck Frosst Canad, Inc.Inventors: Daniel Dube, Richard Friesen, Rejean Fortin, Zhaoyin Wang, Jacques Yves Gauthier
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Patent number: 5817827Abstract: The present invention relates to a process for the dehydration of amides to nitrites which comprises carrying out the dehydration in the presence of an adduct of sulphur trioxide and an amine as the dehydrating reagent in a basic reaction mixture. Thereby, for example, aliphatic, aromatic and heteroaromatic amides are dehydrated to the corresponding nitrites, such as 5-carbamoyl-4-methyl-oxazole to 5-cyano-4-methyl-oxazole, a valuable intermediate in the synthesis of pyridoxine.Type: GrantFiled: October 22, 1996Date of Patent: October 6, 1998Assignee: Hoffmann-La Roche Inc.Inventors: Werner Bonrath, Horst Pauling
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Patent number: 5763638Abstract: A process for the preparation of nitriles of formula ##STR1## wherein X is CH or N, and R.sub.1 and R.sub.2 are each independently of the other hydrogen, chloro, bromo, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylamino, CN, phenyl, phenoxy, dimethylamino, piperidyl, morpholinyl or pyrrolidyl, or R.sub.1 and R.sub.2 together form a fused benzene ring, by reacting an aldehyde of formula ##STR2## with hydroxylaminosulfate in the presence of a tertiary amine base of formula ##STR3## wherein R.sub.3 and R.sub.4 are each independently of the other hydrogen, methyl or ethyl, R.sub.5 is branched C.sub.3 -C.sub.5 alkyl or phenyl, and R.sub.6 and R.sub.7 are methyl or ethyl,in the temperature range from 100.degree. to 160.degree. C., while distilling the released water of reaction off concomittantly at a pressure in the range of 0.02 to 1.5 bar, with subsequent removal of the ammonium salts, and isolating the nitrile so obtained by customary methods.Type: GrantFiled: February 4, 1997Date of Patent: June 9, 1998Assignee: Ciba Specialty Chemicals CorporationInventor: Richard Breitschuh