The Carbonyl Is In A -coo- Group Patents (Class 546/318)
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Publication number: 20090137558Abstract: The present invention relates to substituted pyridine compounds of Formula (I) and derivatives thereof, and to a process for preparing these substituted pyridines. The invention also relates to the use of the substituted pyridines as intermediates in the production of pharmaceutical, chemical and agro-chemical products.Type: ApplicationFiled: December 1, 2005Publication date: May 28, 2009Applicant: PEAKDALE MOLECULAR LIMITEDInventors: Raymond Fisher, Andrew Lund
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Publication number: 20080312450Abstract: Methods comprising: providing an oxidation catalyst bed; and starting up the oxidation catalyst at a temperature of 360° C. to 400° C. with an amount of air of 1.0 to 3.5 standard m3/h and a hydrocarbon loading of 20 to 65 g/standard m3, such that a hot spot having a temperature of 390° C. to <450° C. is formed in the first 7-20% of the catalyst bed.Type: ApplicationFiled: June 30, 2006Publication date: December 18, 2008Applicant: BASF AktiengesellschaftInventors: Samuel Neto, Frank Rosowski, Sebastian Storck, Juergen Zuehlke, Hans-Martin Allmann, Thomas Lautensack, Rainer Steeg
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Patent number: 7456291Abstract: Use of a combination of two vitamin compounds, i.e. riboflavin (also known as vitamin B2) and nicotinic acid (also referred to as niacin) or, as an alternative thereto, the corresponding amide, i.e. niacinamide or nicotinamide (also known as vitamin PP) for the treatment of various forms of primary headache, such as classical migraine or migraine with an aura, common migraine or migraine without an aura, complicated migraine and cluster headache or histamine headache. The invention also concerns compositions for the treatment of primary headaches which are based on the two aforesaid active ingredients.Type: GrantFiled: July 20, 2001Date of Patent: November 25, 2008Inventor: Giampiero Valletta
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Publication number: 20080234488Abstract: The subject of the present invention is to provide a method for deuteration, which can obtain a compound having an aromatic ring and/or a heterocyclic ring at an improved deuteration ratio. The present invention relates to a method for deuteration of a compound having an aromatic ring and/or a heterocyclic ring, comprising reacting the compound having an aromatic ring and/or a heterocyclic ring with a heavy hydrogen source in the presence of an activated mixed catalyst of not less than two kinds of catalysts selected from among a palladium catalyst, a platinum catalyst, a rhodium catalyst, an iridium catalyst, a ruthenium catalyst, a nickel catalyst and a cobalt catalyst.Type: ApplicationFiled: December 21, 2004Publication date: September 25, 2008Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.Inventors: Nobuhiro Ito, Tsuneaki Maesawa, Kazushige Muto, Kosaku Hirota, Hironao Sajiki
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Publication number: 20080213347Abstract: Novel ligand antagonists of the RAR receptors have the following structural formula (I): in which A is a CH2, CHOH, C?O or C?N—OH radical or a sulfur or selenium atom; B is a radical selected from among those of formulae (a) to (f): and Ar is a radical selected from among those of formulae (g) to (i):Type: ApplicationFiled: October 30, 2007Publication date: September 4, 2008Inventors: Philippe Diaz, Catherine Raffin, Thibaud Biadatti
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Publication number: 20080200685Abstract: Processes comprising providing a catalyst precursor, and heating the catalyst precursor to a temperature of at least 350° C. in an atmosphere comprising air, wherein air is fed into the atmosphere at a rate of 0.05 to 4.0 standard m3/h, and wherein the catalyst precursor is activated at a temperature of at least 350° C. for more than 9 hours are described along with catalysts formed thereby and uses for such catalysts.Type: ApplicationFiled: May 31, 2006Publication date: August 21, 2008Applicant: BASF AktiengesellschaftInventors: Samuel Neto, Frank Rosowski, Sebastian Storck, Jurgen Zuhlke, Hans-Martin Allmann, Thomas Lautensack, Rainer Steeg
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Patent number: 7414136Abstract: To provide a method for producing a 3-substituted 2-chloro-5-fluoro-pyridine or its salt in high yield from a readily available material through a short process under mild reaction conditions using a reagent which is easy for handling and simple in the reaction operation. Namely, a method for producing the following compound (2) or its salt which comprises selectively reducing a chlorine atom at the 6-position of the following compound (1) or its salt, is provided. Further, a method for producing the following compound (4) or its salt which comprises substituting a Z1 group of the following compound (2) or its salt obtained by the reduction reaction, by a Z2 group, is provided. Here, Z1 is —CO2R1, etc., and R1 is a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an aralkyl group or a cycloalkyl group. Z2 is a group different from Z1 and is —CO2R5, etc., and R5 is an alkyl group, an alkenyl group, an aryl group, an aralkyl group or a cycloalkyl group.Type: GrantFiled: November 3, 2005Date of Patent: August 19, 2008Assignee: Asahi Glass Company, LimitedInventors: Yasushi Matsumura, Nobuaki Mori, Yasuhiro Yamada
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Publication number: 20080139505Abstract: The present invention provides compounds of formula (I): pharmaceutical compositions thereof, and methods of using the same, processes or preparing the same, and intermediates thereof.Type: ApplicationFiled: November 15, 2005Publication date: June 12, 2008Inventors: Thomas Daniel Aicher, Guillermo S. Cortez, Todd Michael Groendyke, Albert Khilevich, James Allen Knobelsdorf, Fredrik Pehr Marmsater, Jeffrey Michael Schkeryantz, Tony Pisal Tang, Nicholas Andrew Magnus
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Publication number: 20080132683Abstract: The present invention relates to a novel method for the isolation or purification of immunoglobulins (a special class of proteins) from a solution containing immunoglobulins, e.g. hybridoma cell culture supernatants, animal plasma or sera, or colostrum. The method includes the use of a minimum of salts, such as lyotropic salts, in the binding process and preferably also the use of small amounts of organic solvents in the elution process. The solid phase matrices, preferably epichlorohydrin activated agarose matrices, are functionalised with mono- or bicyclic aromatic or heteroaromatic ligands (molecular weight: at the most 500 Dalton) which, preferably, comprises an acidic substituent, e.g. a carboxylic acid. The matrices utilised show excellent properties in a “Standard Immunoglobulin Binding Test” and in a “Monoclonal Antibody Array Binding Test” with respect to binding efficiency and purity, and are stable in 1M NaOH.Type: ApplicationFiled: October 31, 2007Publication date: June 5, 2008Inventors: Allan Otto Fog LIHME, Marie Bendix Hansen
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Patent number: 7320993Abstract: The invention relates to new pyridylalkane, alkene, and alkine acid amides substituted with an aryl and/or heteroaryl residue according to the general formula (I), with a saturated or one or several-fold unsaturated hydrocarbon residue in the carboxylic acid group, methods for the synthesis of these compounds, medicaments containing these and their production as well as their therapeutic use, especially as cytostatic agents and immunosuppressive agents, for example in the treatment or prevention of various types of tumors and control of immune reactions such as autoimmune diseases.Type: GrantFiled: June 16, 2000Date of Patent: January 22, 2008Assignee: Astellas Deutschland GmbHInventors: Elfi Biedermann, Max Hasmann, Roland Löser, Benno Rattel, Friedemann Reiter, Barbara Schein, Klaus Seibel, Klaus Vogt, Katja Wosikowski, Isabel Schemainda
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Patent number: 7247645Abstract: Compounds having a selective N-type calcium channel antagonistic activity are provided. Dihydropyridine derivatives represented by the following formula: analogs thereof and pharmaceutically acceptable salts thereof have an activity of selectively inhibiting the action of N-type calcium channel, and they are used as therapeutic agents for various diseases relating to N-type calcium channel.Type: GrantFiled: December 20, 2001Date of Patent: July 24, 2007Assignee: Ajinomoto Co., Inc.Inventors: Chika Nakanishi, Yoko Masuzawa, Masako Hagihara, Takashi Yamamoto, Hiroyuki Matsueda, Seiji Ohno, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
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Patent number: 7199140Abstract: The invention relates to novel compounds of Formula (I) or a salt, solvate or prodrug thereof, wherein A, R1, R2, R3, n and m are described in the specification, useful in the treatment of a disease or condition mediated through glucokinase (GLK), such as type 2 diabetes. The invention also relates to methods for preparing compounds of Formula (I) and their use as medicaments in the treatment of diseases mediated by glucokinase.Type: GrantFiled: June 24, 2002Date of Patent: April 3, 2007Assignee: AstraZeneca ABInventors: Barry Raymond Hayter, Gordon Stuart Currie, Rodney Brian Hargreaves, Peter William Rodney Caulkett, Roger James
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Patent number: 6995179Abstract: Dihydropyridine derivatives of the following formula, analogs thereof and pharmaceutically acceptable salts thereof have an activity of selectively inhibiting the action of N-type calcium channel. They are used as remedies for various diseases relating to the N-type calcium channel such as encephalopathies caused by the ischemia in the acute phase after the onset of cerebral infarction, cerebral hemorrhage or the like, Alzheimer's disease, etc.Type: GrantFiled: December 13, 2001Date of Patent: February 7, 2006Assignee: Ajinomoto Co., Inc.Inventors: Hisayuki Uneyama, Seiji Niwa, Tomoyuki Onishi
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Patent number: 6992095Abstract: The invention relates to novel stilbene compounds having the general formula (I): as well as to pharmaceutical compositions for use in human or veterinary medicine, including dermatological, rheumatic, respiratory, cardiovascular and ophthalmic conditions and cosmetic compositions and methods of use thereof.Type: GrantFiled: October 2, 2003Date of Patent: January 31, 2006Assignee: Galderma Research & Development, S.N.C.Inventors: Jean-Michel Bernardon, Bruno Charpentier
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Patent number: 6951877Abstract: The subject invention provides novel HMG-CoA-reductase inhibitors. In a preferred embodiment, the HMG-CoA reductase inhibitors of the subject invention can be deactivated to a primary inactive metabolite by hydrolytic enzymes. Compounds of the present invention can be advantageously used to treat patients suffering hypercholesterolemia.Type: GrantFiled: July 21, 2003Date of Patent: October 4, 2005Assignee: ARYx Therapeutics, Inc.Inventors: Pascal Druzgala, Xiaoming Zhang
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Patent number: 6900232Abstract: The present invention relates to a class of compounds represented by the Formula I Wherein A1 is a pyridinyl of the formula optionally substituted by one or more Rk selected from the group consisting of hydroxy, alkyl, alkoxy, alkoxyalkyl, thioalkyl, haloalkyl, cyano, amino alkylamino, halogen, acylamino, sulfonamide and —COR; and R is hydroxy, alkoxy, alkyl or amino; and pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the ?v?3 and/or ?v?5 integrin.Type: GrantFiled: June 15, 2001Date of Patent: May 31, 2005Assignee: Pharmacia CorporationInventors: Ish Kumar Khanna, Michael Clare, Alan F. Gasiecki, Thomas Rogers, Barbara Chen, Mark Russell, Hwang-Fun Lu
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Publication number: 20040249163Abstract: The present invention relates to a new process for preparing beta-ketoester compound of the following formula (1), which is a useful intermediate for the synthesis of such quinoline antibiotics as Ciprofloxacin, Levofloxacin, Gemifloxacin, Trovafloxacin, etc. The quinoline antibiotics obtained from the above compound of formula (1) show potent antibacterial activity, and so are advantageously used as a therapeutic agent for bacterial infections of humans or animals.Type: ApplicationFiled: April 9, 2004Publication date: December 9, 2004Inventors: Hyun-Ik Shin, Bo-Seung Choi, Sang-Chul Choi
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Patent number: 6727237Abstract: The present invention provides methods of synthesizing and screening inhibitors of bacterial NAD synthetase enzyme, compounds thereof, and methods of treating bacterial and microbial infections with inhibitors of bacterial NAD synthetase enzyme.Type: GrantFiled: October 25, 2002Date of Patent: April 27, 2004Inventors: Wayne J. Brouillette, Donald Muccio, Mark J. Jedrzejas, Christie G. Brouillette, Yancho Devedjiev, Walter Cristofoli, Lawrence J. DeLucas, Jose Gabriel Garcia, Laurent Schmitt, Sadanadan E. Velu
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Patent number: 6713467Abstract: Compounds of formula I and II, or pharmaceutically-acceptable salts thereof, are useful as inhibitors of Factor VIIa, Factor IXa, Factor Xa, Factor FXIa, tryptase, and urokinase, wherein ring B is phenyl or pyridyl, L is a linker, and R1-R27, W, Z1, and Z2 are as defined in the specification.Type: GrantFiled: November 7, 2001Date of Patent: March 30, 2004Assignee: Bristol-Myers Squibb CompanyInventors: Gregory S. Bisacchi, James C. Sutton, Shung C. Wu
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Patent number: 6703509Abstract: The invention relates to a process for the preparation of 5-arylnicotinaldehydes by reduction of the corresponding 5-arylnicotinic acids by catalytic hydrogenation in the presence of carboxylic anhydrides in which the catalyst used is a palladium/ligand complex, characterized in that the molar ratio between palladium and ligand is from 1:5 to 1:15 in the case of monodentate ligands and from 1:2.5 to 1:7.5 in the case of bidentate ligands.Type: GrantFiled: August 6, 2002Date of Patent: March 9, 2004Assignee: Merck Patent GmbHInventors: Andreas Bathe, Heinz Bokel, Thomas Keil, Ralf Knieriemen, Christoph Murmann
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Publication number: 20040030143Abstract: Disclosed are a novel organic acid salt of amlodipine, its preparation method, and a pharmaceutical composition containing the same as a therapeutically active ingredient.Type: ApplicationFiled: July 29, 2003Publication date: February 12, 2004Applicant: CJ CorpInventors: Seong Hwan Cho, Yong Sik Youn, Yun Taek Jung, Choong Sil Park, Hyuk Koo Lee, Kwang Hyeg Lee, Eun Ju Jeong, Young Hoon Kim, Hae Tak Jin, Jun Hee Cheon, Sung Hak Lee, Sung Hak Jung, Dong Kwon Lim, Kyu Jeong Yeon, Yun Cheul Kim, Kyung Mi Park, Hyun Suk Kang
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Patent number: 6673938Abstract: Compounds of formula (I), in which the substituents are as defined in claim 1 and the agrochemically tolerated salts M+ and all stereoisomers and tautomers of the compounds of formula (I) are suitable for use as herbicides.Type: GrantFiled: January 7, 2003Date of Patent: January 6, 2004Assignee: Syngenta Participations AGInventors: Andrew Edmunds, Christoph Lüthy, Karl Seckinger, Alain De Mesmaeker, Walter Kunz, Jürgen Schaetzer
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Publication number: 20030230478Abstract: The present invention provides a process for the preparation of 1,4-dihydropyridines of the formula 1 1Type: ApplicationFiled: March 20, 2003Publication date: December 18, 2003Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCHInventors: Neeraj Mahendroo, Ravi Kumar Khajuria, Kasturi Lal Bedi, Kanaya Lal Dhar, Vijay Kumar Kapoor
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Patent number: 6649767Abstract: A process for preparing a 1,4-dihydropyridine compound comprising contacting an enamine compound and a compound having a structure of in the presence of a base; and treating the reaction mixture thus obtained in the presence of an acid or a combination of acids under mild reaction conditions. A resulting 1,4-dihydropyridine compound is useful as an anti-inflammatory agent or the like.Type: GrantFiled: August 20, 2002Date of Patent: November 18, 2003Assignee: Pfizer, Inc.Inventors: Kunio Satake, Noriaki Murase
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Publication number: 20030139455Abstract: Amlodipine besylate forms are described, including amlodipine besylate hydrates and novel amlodipine besylate anhydrates. A method of making various amlodipine besylate forms from an aqueous medium as well as the use of the same as a calcium channel blocker are described.Type: ApplicationFiled: November 20, 2002Publication date: July 24, 2003Inventors: Gerrit J. B. Ettema, Hans Hoorn, Jacobus M. Lemmens
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Patent number: 6541640Abstract: 4-Haloalkylnicotinonitriles having the formula (I) which are suitable as intermediates in the preparation of pesticides, are obtained by: (a) reacting a 3-amino-1-haloalkyl-2-propen-1-one RF—C(O)—CH═CH—NH2 (II) in a condensation reaction with a compound of the formula (III) to (VII), (R1Z)CH═CH—CN (III) (R1Z)2CH—CH2—CN (IV) Hal-CH═CH—CN (V) Hal2CH—CH2CN (VI) HC≡C—CN (VII), to give a compound of the formula (VIII), (IX) and/or (X), RF—C(O)—CH═CH—NH—CH═CH—CN (VIII) RF—C(O)—CH═CH—NH—CH(ZR1)—CH2—CN (IX) RF—C(O)—CH═CH—NH—CH(Hal)—CH2—CN (X) wherein RF is (C1-C4)-haloalkyl, R1 is alkyl, Hal is Cl or Br and each Z, independently, is O, S, NR or OCO; and (b) subjecting the reactType: GrantFiled: December 13, 2001Date of Patent: April 1, 2003Assignee: Aventis Cropscience GmbHInventors: Sergiy Pazenok, Henricus Maria Martinus Bastiaans
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Publication number: 20030055066Abstract: The invention disclosed some 1,4-dihydropiridine derivative chemically have pharmacologically with adrenoceptor blocking and calcium channel blocker is now emerging.Type: ApplicationFiled: March 26, 2002Publication date: March 20, 2003Inventor: Ing-Jun Chen
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Publication number: 20030028031Abstract: The invitation provides an efficient method for the resolution of (R)-(+)-(formula (I)) and (S)-(−)(formula (II))-enantiomers of amlodipine, where the chiral reagent for resolution is tartaric acid and the chiral auxiliary reagent for resolution is deuterated dimethyl sulphoxide (DMSO-d6).Type: ApplicationFiled: August 16, 2002Publication date: February 6, 2003Inventor: Zhang Xitian
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Patent number: 6515023Abstract: A thrombin receptor antagonist having the formula useful for inhibiting the aggregation of blood platelets. The compounds can be used in a method of acting upon a thrombin receptor which comprises administering a therapeutically effective but non-toxic amount of such compound to a mammal, preferably a human.Type: GrantFiled: January 30, 2001Date of Patent: February 4, 2003Assignee: Merck & Co., Inc.Inventors: James C. Barrow, Philippe G. Nantermet, Harold G. Selnick, John H. Hutchinson, Michael J. Breslin, Kristen L. Glass, Thomas M. Connolly, Andrew Stern
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Publication number: 20030022922Abstract: Amlodipine free base can be formulated into a convenient oral dosage form, especially a tablet, without excessive stickiness or tablet punch residue. The amlodipine free base can be crystalline Form I or a novel Form II. Methods of making and using the amlodipine free base are set forth.Type: ApplicationFiled: December 21, 2001Publication date: January 30, 2003Inventors: Jacobus M. Lemmens, Theodorus H.A. Peters, Franciscus B.G. Benneker, Rolf Keltjens
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Patent number: 6500852Abstract: The present invention provides methods of synthesizing and screening inhibitors of bacterial NAD synthetase enzyme, compounds thereof, and methods of treating bacterial and microbial infections with inhibitors of bacterial NAD synthetase enzyme.Type: GrantFiled: July 14, 2000Date of Patent: December 31, 2002Assignee: University of Alabama Research FoundationInventors: Wayne J. Brouillette, Donald Muccio, Mark J. Jedrzejas, Christie G. Brouillette, Yancho Devedjiev, Walter Cristofoli, Lawrence J. DeLucas, Jose Gabriel Garcia, Laurent Schmitt, Sadanandan E. Velu
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Patent number: 6489347Abstract: Compounds of structure (1) are obtained by reduction of compounds of the structures Compounds of structure (1), especially where Z is a hydrogen atom or a 3,4-methylenedioxyphenyl group, are important intermediates for inter alia paroxetine.Type: GrantFiled: May 29, 1998Date of Patent: December 3, 2002Assignee: SmithKline Beecham plcInventors: Victor Withold Jacewicz, Marvin Sungwhan Yu, Evgeny Shapiro
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Publication number: 20020156109Abstract: The invention disclosed some 1,4-dihydropiridine derivative chemically with guaiacoxypropanolamine based phenoxypropanolamine moiety and pharmacologically with &bgr;-adrenoceptor blocking and partial &bgr;2-agonist activities, is now emerging.Type: ApplicationFiled: April 11, 2002Publication date: October 24, 2002Inventor: Ing-Jun Chen
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Publication number: 20020147222Abstract: Compounds having a selective N-type calcium channel antagonistic activity are provided.Type: ApplicationFiled: December 20, 2001Publication date: October 10, 2002Applicant: AJINOMOTO CO. INCInventors: Chika Nakanishi, Yoko Masuzawa, Masako Hagihara, Takashi Yamamoto, Hiroyuki Matsueda, Seiji Ohno, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
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Publication number: 20020133018Abstract: This invention relates to novel dihydropyridine soft drugs of the formula &PHgr;OOR1, where &PHgr; is a dihydropyridine moiety. These compounds are useful as calcium channel antagonists with cardiovascular, antiasthmatic and antibroncho-constriction activity. Use of such soft drug analogs permits the administration of greater doses of the claimed dihydropyridine compounds without intolerable systemic effects. Thus, this invention also provides pharmaceutical compositions, as well as methods, for preventing and treating disorders such as hypersensitivity, allergy, asthma, bronchospasim, dysmenorrhea, esophageal spasm, glaucoma, premature labor, urinary tract disorders, gastrointestinal motility disorders and cardiovascular disorders, while avoiding unwanted systemic effects.Type: ApplicationFiled: May 2, 2001Publication date: September 19, 2002Inventors: John H. Dodd, James L. Bullington, Daniel A. Hall, James R. Henry, Kenneth C. Rupert
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Publication number: 20020132834Abstract: Amlodipine is prepared in a high yield by subjecting a pyrrole derivative, methyl aminocrotonate and 2-chlorobenzaldehyde to a Hantzsch reaction, and converting the pyrrole residue of the resulting 1,4-dihydropyridine derivative to an amine group by the action of hydroxylamine hydrochloride.Type: ApplicationFiled: March 11, 2002Publication date: September 19, 2002Inventors: Young-Ho Moon, Nam-Du Kim, Kyung-Ik Lee, Kwan-Sun Lee
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Publication number: 20020123519Abstract: Amlodipine fumarate salt compounds are useful as calcium channel blockers and in treating or preventing angina or hypertension. The fumarate salts avoid the formation of certain potential impurities that have been found to be associated with amlodipine maleate.Type: ApplicationFiled: August 27, 2001Publication date: September 5, 2002Inventors: Jacobus M. Lemmens, Theodorus H.A. Peters, Franciscus B.G. Benneker, Frantisek Picha
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Publication number: 20020123518Abstract: A derivative of amlodipine having the following formula is useful as a pharmaceutical, either alone or in combination with amlodipine, in treating angina and hypertension.Type: ApplicationFiled: August 27, 2001Publication date: September 5, 2002Inventors: Jacobus M. Lemmens, Theodorus H. A. Peters, Franciscus B. G. Benneker
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Patent number: 6441182Abstract: The invention relates to a method for the production of 2,6-dichloro-5-fluoronicotinic acid by hydrolyzing 2,6-dichloro-5-fluoro-3-cyanopyridine by (a) dissolving 2,6-dichloro-5-fluoro-3-cyanopyridine at 70 to 90° C. in sulfuric acid having a concentration of 90 to 99% by weight and hydrolyzing the 2,6-dichloro-5-fluoro-3-cyanopyridine at 70 to 100° C. to the corresponding carboxamide, (b) cooling the resultant reaction mixture to a temperature in the range from 10 to 65° C., (c) metering in water until the concentration of sulfuric acid is 55 to 75% by weight (calculated relative to the sulfuric acid employed in stage (a) and the water employed in stage (c)) while keeping the temperature between 30 and 65° C. during the addition of the first quarter of the water and keeping the temperature between 50 and 80° C. during the addition of the second quarter of the water, and (d) completing hydrolysis of the resultant mixture to 2,6-dichloro-5-fluoronicotinic acid at 70 to 110° C.Type: GrantFiled: December 6, 2001Date of Patent: August 27, 2002Assignee: Bayer AktiengesellschaftInventors: Günter Rauchschwalbe, Bernd Griehsel, Andreas Sattler, Karsten von dem Bruch
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Patent number: 6441010Abstract: Bi-aromatic compounds linked via a heteroethynylene radical are provided along with pharmaceutical and cosmetic compositions containing these compounds and methods for their use.Type: GrantFiled: January 25, 2001Date of Patent: August 27, 2002Assignee: Galderma Research & DevelopmentInventors: Jean-Michel Bernardon, Philippe Diaz
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Publication number: 20020111494Abstract: Dihydropyridine derivatives of the following formula, analogs thereof and pharmaceutically acceptable salts thereof have an activity of selectively inhibiting the action of N-type calcium channel. They are used as remedies for various diseases relating to the N-type calcium channel such as encephalopathies caused by the ischemia in the acute phase after the onset of cerebral infarction, cerebral hemorrhage or the like, Alzheimer's disease, etc.Type: ApplicationFiled: December 13, 2001Publication date: August 15, 2002Applicant: AJINOMOTO CO., INC.Inventors: Hisayuki Uneyama, Seiji Niwa, Tomoyuki Onishi
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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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Publication number: 20020086888Abstract: A process for making amlodipine maleate comprises reacting amlodipine or an acid addition salt thereof with maleic acid under an acidic environment to form an amlodipine maleate product. The process allows for the formation of amlodipine maleate substantially free from amlodipine aspartate.Type: ApplicationFiled: August 27, 2001Publication date: July 4, 2002Inventors: Franciscus B.G. Benneker, Pavel Slanina, Frantisek Picha
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Patent number: 6391881Abstract: A series of antagonists of NPY have been synthesized and are comprised of thiourea linked piperazine and piperidine derivatives of 4-phenyl-1,4-dihydropyridines of Formula 1. where Z is NR7R8 or and X is CH or N. 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: May 21, 2002Assignee: Bristol-Myers Squibb CompanyInventor: Sing-Yuen Sit
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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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Patent number: 6376521Abstract: Disclosed are pyridine and dihydropyridine derivatives, pharmaceutical compositions comprising one or more of these derivatives, and a method of selectively blocking an A3 adenosine receptor of a mammal by the use of one or more of these derivatives. An example of the pyridine derivative is of the formula (I): wherein R2 is ethyl, R3 is ethylsulfanyl; R4 is ethyl, propyl, or hydroxypropyl; R5 is ethyl, propyl, fluoroethyl, or fluoropropyl; and R6 is phenyl or fluorophenyl. The derivatives of the present invention can be used for inhibiting binding of ligands to an adenosine receptor. The derivatives also can be used for characterizing an adenosine receptor.Type: GrantFiled: April 2, 2001Date of Patent: April 23, 2002Assignee: The United States of America as represented by the Secretary of the Department of Health and Human ServicesInventors: Kenneth A. Jacobson, An-Hu Li
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Patent number: 6344561Abstract: Compounds of the formula where the symbols have the meaning described in the application, have retinoid-like or retinoid antagonist-like biological activity.Type: GrantFiled: December 11, 2000Date of Patent: February 5, 2002Assignee: Allergan Sales, Inc.Inventors: Vidyasagar Vuligonda, Min Teng, Richard L. Beard, Alan T. Johnson, Yuan Lin, Roshantha A. Chandraratna
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Patent number: 6310214Abstract: A process is disclosed for preparing chlorinated pyridinesulphonic acid chlorides of the general formula I from hydroxypyridine-sulphonic acids of the general formula II The process generally entails a) passing chlorine gas into a mixture of a hydroxypyridine-sulphonic acid and of phosphorus trichloride; b) heating the mixture of a) to temperatures of about 100 to about 120° C.; c) removing any phosphorus oxychloride formed and any excess phosphorus trichloride by distillation; d) taking up the residue with an organic solvent; and e) distilling the liquid phase in a vacuum, thereby obtaining the chlorinated pyridine-sulphonic acid chloride.Type: GrantFiled: April 20, 2000Date of Patent: October 30, 2001Assignee: Ruetgers Organics GmbHInventors: Bruno Biedenbach, Hans-Peter Michel
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Publication number: 20010027203Abstract: The present invention relates to a chemical composition comprising a pyridine carboxy derivative and an H2 histamine receptor antagonist and a pharmaceutical composition or a dietary supplement comprising a pyridine carboxy derivative and an H2 histamine receptor antagonist and to the use of such compositions for the preparation of a medicament or a dietary supplement for immunomodulation in a mammal and the suppression of hypersensitivity and/or inflammatory reaction.Type: ApplicationFiled: March 21, 2001Publication date: October 4, 2001Inventor: Morten Sloth Weidner
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Patent number: 6214878Abstract: The invention relates to novel stilbene compounds having the general formula (I): as well as to pharmaceutical compositions for use in human or veterinary medicine, including dermatological, rheumatic, respiratory, cardiovascular and ophthalmic conditions and cosmetic compositions and methods of use thereof.Type: GrantFiled: December 31, 1997Date of Patent: April 10, 2001Assignee: Galderma Research & Development S.N.C.Inventors: Jean-Michel Bernardon, Bruno Charpentier