Ring Oxygen In The Additional Hetero Ring Patents (Class 514/254.1)
  • Publication number: 20030125557
    Abstract: Novel 1-[1-(hetero)aryl-1-perhydroxyalkylmethyl]-piperazine compounds which are antagonistic to tachykinin receptors, of the general formula I, 1
    Type: Application
    Filed: September 13, 2002
    Publication date: July 3, 2003
    Applicant: Solvay Pharmaceuticals GmbH
    Inventors: Daniel Jasserand, Ulf Preuschoff, Jochen Antel, Samuel David, Holger Sann, Reinhard Brueckner, Dania Reiche, Christian Eeckhout
  • Publication number: 20030109532
    Abstract: New 3-substituted 4-(phenyl-N-alkyl)-piperazine and 4-(phenyl-N-alkyl)-piperidine compounds of Formula (1) wherein X is N, CH, or C, however X may only be C when the compound comprises a double bond at the dotted line; R1 is OSO2CF3, OSO2CH3, SOR5, SO2R5, COR5, CN, NO2, CONHR5, CF3, 3-thiophene, 2-thiophene, 3-furane, 2-furane, F, Cl, Br, or I; R2 is a C1-C4 alkyl, an allyl, CH2SCH3, CH2CH2OCH3, CH2CH2CH2F, CH2CF3, 3,3,3-trifluoropropyl, 4,4,4-trifluorobutyl, or —(CH2)—R6; R3 and R4 are independently selected from the group consisting of H and C1-C4 alkyls, however both R3 and R4 cannot be H at the same time; R5 is C1-C3 alkyls, CF3, or N(R2)2; R6 is a C3-C6 cycloalkyl, 2-tetrahydrofurane, or 3-tetra-hydrofurane, as well as pharmaceutically acceptable salts thereof are disclosed. Also pharmaceutical compositions comprising the above compounds and methods wherein the above compounds are used are disclosed.
    Type: Application
    Filed: November 20, 2002
    Publication date: June 12, 2003
    Inventors: Clas Sonesson, Bengt Andersson, Susanna Waters, Nicholas Waters, Ingela Marianne Svan, Liselott Lilja Ronnqvist
  • Patent number: 6573266
    Abstract: This invention is directed to acyl piperazine derivatives of the following formula (Id): wherein R1b, R3, R4, R5, R6 and R10 are described herein. These derivatives are useful as anti-inflammatory agents. This invention is also directed to pharmaceutical compositions containing the derivatives, and methods of using the derivatives to treat inflammatory disorders in humans.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: June 3, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: John G. Bauman, Brad O. Buckman, Ameen F. Ghannam, Joseph E. Hesselgesser, Richard Horuk, Imadul Islam, Meina Liang, Karen B. May, Sean D. Monahan, Michael M. Morrissey, Howard P. Ng, Kenneth J. Shaw, Guo Ping Wei, Wei Xu, Zuchun Zhao, Wei Zheng
  • Patent number: 6555537
    Abstract: This invention is directed to acyl piperazine derivatives, for example, of the following formula (Ia): wherein R1a, R2, R3, R4, R5, and R6 are described herein. These derivatives are useful as anti-inflammatory agents. This invention is also directed to pharmaceutical compositions containing the derivatives, and methods of using the derivatives to treat inflammatory disorders in humans.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: April 29, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: John G. Bauman, Brad O. Buckman, Ameen F. Ghannam, Joseph E. Hesselgesser, Richard Horuk, Imadul Islam, Meina Liang, Karen B. May, Sean D. Monahan, Michael M. Morrissey, Howard P. Ng, Kenneth J. Shaw, Guo Ping Wei, Wei Xu, Zuchun Zhao, Wei Zheng
  • Patent number: 6552022
    Abstract: The invention relates to therapeutic benzamide compounds of formula (I) wherein A, X, Z, R1, Y, R2, R3, are as defined herein, and physiologically acceptable salts, solvates or derivatives thereof. The present invention also provides pharmaceutical compositions, processes for the preparation of compounds of formula (I) and their use in the treatment of conditions mediated by ApoB-100 regulation.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: April 22, 2003
    Assignee: SmithKline Beecham Corporation
    Inventor: Alain Claude-Marie Daugan
  • Patent number: 6541477
    Abstract: The invention is directed to methods for treating conditions mediated by by P38&agr; kinase using compounds of the formula wherein Ar1 and Ph are limited to specific embodiments or wherein the compound of formula (3) is a compound set forth in FIGS. 1A-1T.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: April 1, 2003
    Assignee: Scios, Inc.
    Inventors: R. Richard Goehring, Babu J. Mavunkel, David Y. Liu, George F. Schreiner, Gregory Leudtke, John A. Lewicki
  • Patent number: 6531503
    Abstract: Benzofurane derivatives of formula (I), wherein R and R′ have the meanings given in claim no. (1), and salts thereof are suitable for use as intermediate products in the synthesis of medicaments.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: March 11, 2003
    Assignee: Merck Patent GmbH
    Inventors: Andreas Bathe, Bernd Helfert, Henning Böttcher
  • Patent number: 6518272
    Abstract: This invention relates to compounds which have activity as 5-HT1A agonists and antagonists which may be useful for the treatment of anxiety, depression, cognitive deficits, and prostate cancer, having the formula wherein: X is a moiety selected from the group of: n is selected from the integers 1 through 5; R1 is optionally substituted aryl or mono or bicyclic heteroaryl, with a proviso that heteroaryl is not thiadiazole; R2 is H or alkyl; R3 is H, COR5, COOR5, and CONR5R6; R4 is H, alkyl, alkenyl, alkynyl, aryl, mono or bicyclic heteroaryl, aralkyl, and mono or bicyclic heteroaralkyl, wherein the aryl or heteroaryl groups are optionally substituted; R5 and R6 are H, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, adamantyl, and noradamantyl or R5 and R6 taken together may form a 5-7 membered azacyclic ring, optionally containing an additional heteroatom selected from O, S, or NR4; when R5 or R6 are chosen from cycloalkyl or cycloalkenyl, the cyclic group may optionally
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: February 11, 2003
    Assignee: Wyeth
    Inventors: Wayne E. Childers, Michael G. Kelly, Yvette L. Palmer, Edward J. Podlesny
  • Publication number: 20030004169
    Abstract: New substituted 4-phenyl N-alkyl)-piperazine and 4-phenyl-N-alkyl)-piperidine compounds of Formula (1) wherein X is N, CH, or C, however X may only be C when the compound comprises a double bind at the dotted line; R1 is CF3, OSO2CF3, OSO2CH3, SOR7, SO2R7, COR7, CN, OR3, NO2, CONHR3, 3-thiophene, 2-thiophene, 3-furane, 2-furane, F, Cl, Br, or I; R2 is F, Cl, Br, I, CN, CF3, CH3, OCH3, OH, and NH2; R3 and R4 are independently H or a C1-C4 alkyl; R5 is a C1-C4 alkyl, an allyl, CH2SCH3, CH2CH2OCH3, CH2CH2CH2F, CH2CF3, 3,3,3-trifluoropropyl, 4,4,4-trifluorobutyl, or —(CH2)—R6; R6 is a C3-C6 cycloalkyl, 2-tetrahydrofurane, or 3-tetrahydrofurane; R7 is a C1-C3 alkyl, CF3, or N(R4)2, and pharmaceutically acceptable salts thereof are disclosed. Also pharmaceutical compositions comprising the above compounds and methods wherein the above compounds are used for treatment of disorders in the central nervous system are disclosed.
    Type: Application
    Filed: June 18, 2002
    Publication date: January 2, 2003
    Inventors: Clas Sonesson, Bengt Andersson, Susanna Waters, Nicholas Waters, Joakim Tedroff
  • Publication number: 20020165256
    Abstract: The invention relates to a new process for concentrating epothilones in culture media, a new process for the production of epothilones, a new process for separating epothilones A and B and a new strain obtained by mutagenesis for the production of epothilones, as well as aspects related thereto. New crystal forms of epothilone B are also described.
    Type: Application
    Filed: January 29, 2002
    Publication date: November 7, 2002
    Inventors: Hans Hofmann, Marion Mahnke, Klaus Memmert, Frank Petersen, Thomas Schupp, Ernst Kusters, Michael Mutz
  • Publication number: 20020143020
    Abstract: The present invention is a chemical compound of formula (I) 1
    Type: Application
    Filed: December 7, 2001
    Publication date: October 3, 2002
    Inventors: David Reginald Adams, Jonathan Mark Bentley, James Edward Paul Davidson, Claire Elizabeth Dawson, Ashley Roger George, Howard Langham Mansell, Patrizio Mattei, Jacques Mizrahi, Matthias Heinrich Nettekoven, Robert Mark Pratt, Stephan Roever, Jonathan Richard Anthony Roffey, Jean-Luc Specklin, Henri Stalder, Kerry Wilkinson
  • Publication number: 20020137736
    Abstract: There are provided novel compounds of formula (I) 1
    Type: Application
    Filed: February 27, 2001
    Publication date: September 26, 2002
    Inventors: Kenneth Mattes, Robert Murray, Eifion D Phillips, Hans Schmitthenner
  • Publication number: 20020137754
    Abstract: The present invention provides a compound of formula I 1
    Type: Application
    Filed: January 9, 2002
    Publication date: September 26, 2002
    Inventor: Jackson B. Hester
  • Patent number: 6451801
    Abstract: The present invention provides 1,4 substituted piperazines, 1,4 substituted piperidines, and 1-substituted, 4-alkylidenyl peperidines compounds. The compounds of the invention are dual acting molecules having both leukotriene inhibition properties as well as antihistaminergic properties. The compounds of the invention are useful for treating conditions in which there is likely to be a histamine and/or leukotriene component. These conditions include preferable asthma, seasonal and perennial allergic rhinitis, sinusitus, conjunctivitis, food allergy, scombroid poisoning, psoriasis, urticaria, pruritus, eczema, rheumatoid arthritis, inflammatory bowel disease, chronic obstructive pulmonary disease, thrombotic disease and otitis media. Also provided are methods of treating asthma and rhinitis by administering an effective asthma and rhinitis-relieving amount of the compounds to a subject in need thereof.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: September 17, 2002
    Assignee: UCB, S.A.
    Inventors: Ralph Scannell, Pierre Chatelain, Anna Toy-Palmer, Edmond Differding, James Ellis, Marie-Agnes Lassoie, Xiong Cai, Sajjat Hussoin, Gurmit Grewal, Timothy Lewis
  • Publication number: 20020115671
    Abstract: The invention is directed to prepare medicaments for treatment of and to methods to treat conditions mediated by kinase using compounds of the formula 1
    Type: Application
    Filed: February 28, 2001
    Publication date: August 22, 2002
    Inventors: R. Richard Goehring, Babu J. Mavunkel, David Y. Liu, George F. Schreiner, Gregory Leudtke, John A. Lewicki
  • Patent number: 6395738
    Abstract: The present invention relates to benzofuran derivatives represented by following general formula (I): wherein R1 represents lower alkyl, R2 represents hydrogen or substituted or unsubstituted lower alkyl, R3, R4, R5 and R6 independently represent hydrogen or lower alkyl, X represents CH2 or C═O, and Y represents CH2 or NH, or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: May 28, 2002
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Etsuo Ohshima, Tohru Matsuzaki, Haruhiko Manabe
  • Patent number: 6387389
    Abstract: The present invention provides sustained-release derivatives of hydroxylated analogs of substituted 1-[2[bis(aryl)methoxy]ethyl]-piperazines and -homopiperazines, pharmaceutical compositions comprising the same, and a method of using such sustained-release derivatives to bind the dopamine transporter to achieve a desired effect, such as antagonism of dopamine reuptake inhibitors, such as cocaine, or dopamine releasers or norepinephrine and/or serotonin reuptake inhibitors, such as methamphetamine.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: May 14, 2002
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Richard B. Rothman, Kenner C. Rice, David Lewis, Dorota Matecka, John R. Glowa
  • Patent number: 6387908
    Abstract: Epoxysuccinamide derivatives of the formula (1): wherein R1 is hydrogen, alkyl, alkenyl, alkynyl, aryl, or aralkyl; R2 is alkyl, alkenyl, alkynyl, aryl, or aralkyl; R3 is hydrogen, alkyl, alkenyl, alkynyl, aryl, aralkyl, heterocyclic, or heterocyclic-alkyl; X is —O— or —NR4— (R4 is hydrogen, alkyl, aryl, aralkyl, heterocyclic, or heterocyclic-alkyl); Y1 is OR5, SR6, or NR7R8; and Y2 is hydrogen or alkyl. The compounds are useful as remedies for bone diseases and arthritis.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: May 14, 2002
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Yutaka Nomura, Toshihiro Takahashi, Yasushi Yoshino, Koichiro Nishioka
  • Patent number: 6387906
    Abstract: The present invention concerns novel compounds of formula a N-oxide form, a pharmaceutically acceptable acid addition salt or a stereochemically isomeric form thereof, wherein n is zero, 1, 2 or 3; X is N or CH; each R1 independently is halo, nitro, cyano, amino, hydroxy, C1-4alkyl, C1-4alkyloxy or trifluoromethyl; R2 is hydrogen; C3-7alkenyl; C3-7alkynyl, aryl; C3-7cycloalkyl; optionally substituted C1-6alkyl R3 and R4 each independently are hydrogen, C1-6alkyl, C3-7cycloalkyl or aryl; or R3 and R4 taken together form a bivalent radical —R3—R4— of formula: wherein R5a, R5b, R5c, R5d each independently are hydrogen, C1-6alkyl or aryl; and aryl is optionally substituted phenyl; as antifungals; their preparation, compositions containing them and their use as a medicine.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: May 14, 2002
    Inventors: Lieven Meerpoel, Jan Heeres, Frank Christopher Odds, Hugo Florent Adolf Vanden Bossche, Louis Jozef Elisabeth Van der Veken
  • Patent number: 6376540
    Abstract: Disclosed are furan nitrone compounds and pharmaceutical compositions containing such compounds. The disclosed compounds are useful as analytical reagents for detecting free radicals and as therapeutics for treating a wide variety of medical dysfunctions and diseases.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: April 23, 2002
    Assignee: Centaur Pharmaceuticals, Inc.
    Inventors: Judith A. Kelleher, Kirk R. Maples, Lowell David Waterbury, Allan L. Wilcox, Hong Xu, Yong-Kang Zhang
  • Patent number: 6346533
    Abstract: The particle diameter of itraconazole, insoluble drug, is reduced and crystallinity thereof is changed from crystalline into amorphous, increasing water solubility and a dissolution rate thereof. The improved itraconazole is applied to an oral adminstration drug.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: February 12, 2002
    Assignee: Dong-A Pharmaceutical Co., Ltd.
    Inventors: Bong-Jin Cha, Jun-Gyo Oh, Su-Eon Kim
  • Patent number: 6344458
    Abstract: Compounds of the formula are useful for the treatment of disorder of the central nervous system including anxiety, depression, panic, alcohol and drug addiction, sexual dysfunction, sleep disorders, migraine, obesity, cognitive disorders, and neurodegenerative diseases.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: February 5, 2002
    Assignee: American Home Products Corporation
    Inventors: Michael G. Kelly, Yvette L. Palmer
  • Publication number: 20020002168
    Abstract: A compound of the formula 1
    Type: Application
    Filed: May 22, 2001
    Publication date: January 3, 2002
    Inventor: Harry R. Howard
  • Patent number: 6333324
    Abstract: A compound of formula (I) wherein A is a sulfonyl or a carbonyl; R1 is an optionally substituted aryl, an optionally substituted heterocyclic group, an optionally substituted lower alkyl or an optionally substituted lower alkenyl; R2 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; R3 is an optionally substituted lower alkyl, an optionally substituted lower alkoxy, an optionally substituted aryloxy, an optionally substitued lower alkenyl, an optionally substituted aryl, an optionally substituted heterocyclic group or an optionally substitued amino; R4 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; R5 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; and R10 is a hydroxy or a protected hydroxy, and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: December 25, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masahiro Neya, Hitoshi Yamazaki, Natsuko Kayakiri, Kentaro Sato, Teruo Oku
  • Patent number: 6323207
    Abstract: Novel benzoylguanidine derivatives of general formula I useful for the treatment or reduction of tissue damage due to ischaemia.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: November 27, 2001
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Christian Eickmeier, Erich Buerger, Stefan Matthias Blech, Otto Roos
  • Publication number: 20010041705
    Abstract: A compound of the formula 1
    Type: Application
    Filed: May 22, 2001
    Publication date: November 15, 2001
    Inventor: Harry R. Howard
  • Patent number: 6306859
    Abstract: Compounds of the Formula (I) wherein R2, Y, X and n are as defined in the specification which compounds are useful in the treatment of disorders associated with serotonergic neuron-related diseases.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: October 23, 2001
    Assignee: American Home Products Corporation
    Inventors: Wayne E. Childers, Michael G. Kelly, Gan Zhang, Yvette L. Palmer, Edward J. Podlesny
  • Patent number: 6281215
    Abstract: New 4-(1-piperazinyl)benzoic acid derivatives of the formula (I) are described. Also described is methods for making these compounds and their use as therapeutic agents. In particular, the compounds find use in the treatment of diabetes.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: August 28, 2001
    Assignee: Merck Patent GmbH
    Inventors: Gérard Moinet, Gérard Botton, Liliane Doare, Micheline Kergoat, Didier Messangeau
  • Patent number: 6281214
    Abstract: A biphenyl derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof: wherein R1, R2, R3, R4, and R5 are defined in the specification, is clinically useful for treating and ameliorating mental disorders such as cerebrovascular disorder, aggressive behavior due to senile dementia, mental excitation, poriomania, delirium, hallucination, hyperkinesia, schizophrenia, emotional disturbance, depression, neurosis, psychophysiologic disorder and anxiety neurosis. The compounds exhibit dopamine 2 receptor antagonism and/or serotonin 2 receptor antagonism.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: August 28, 2001
    Assignee: Eisai Co., Ltd
    Inventors: Kozo Akasaka, Masahiro Yonaga, Akiharu Kajiwara, Kunizo Higurashi, Kohshi Ueno, Satoshi Nagato, Makoto Komatsu, Noritaka Kitazawa, Masataka Ueno, Yoshiharu Yamanishi, Yoshimasa Machida, Yuki Komatsu, Naoyuki Shimomura, Norio Minami, Toshikazu Shimizu, Atsushi Nagaoka
  • Patent number: 6277852
    Abstract: A compound of the formula or the pharmaceutically acceptable salt thereof, wherein Z is oxygen, S(O)m wherein m is 0, 1 or 2; or NQ wherein Q is hydrogen, (C1-C6)alkyl or phenyl; X is hydrogen, chloro, fluoro, bromo, iodo, hydroxy, nitro, cyano, (C1-C6)alkyl, trifluoromethyl, (C1-C6)alkoxy, (C1-C6)alkyl S(O)a wherein a is 0, 1 or 2; or phenyl wherein the phenyl group is optionally substituted; Y is wherein M is oxygen or sulfur; X2 is hydrogen, fluoro, chloro, trifluoromethyl, (C1-C6)alkyl, (C1-C6)alkoxy or (C1-C6)alkyl S(O)c wherein c is 0, 1 or 2; R1 is selected from wherein R6 is selected from the group consisting of hydrogen, optionally substituted (C1-C6)alkyl; and wherein R6 in G5 together with R7 form a 2 carbon chain; and R9 and R10 are independently hydrogen or (C1-C6)alkyl; R2 is hydrogen, (C1-C4)alkyl, phenyl or naphthyl, wherein said phenyl or naphthyl may optionally substituted; and R3 is —(CH2)tB, wherein t is 0-3 and B is hydrog
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: August 21, 2001
    Assignee: Pfizer INC
    Inventor: Harry R. Howard
  • Patent number: 6274582
    Abstract: Human growth hormone is used in combination with a cortisol synthesis inhibitor, in particular ketoconazole, for prevention or treatment of conditions related to Metabolis Syndrome (Neuroendocrine Syndrome). Administration can be supplemented by a sex hormone selected from testosterone and natural or synthetic estrogen. Also disclosed are corresponding pharmaceutical compositions.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: August 14, 2001
    Assignee: Cortendo AB
    Inventor: Per Mårin
  • Patent number: 6268381
    Abstract: The present invention relates to taxane derivatives each represented by the following formula (1): [wherein, A1 represents a group (in which R1 represents H or a (substituted) alkyl group) or a group (in which R2 represents an amino group, a mono- or di-alkylamino group, a piperidino group, a pyrrolidino group or a morpholino group), X represents H, an alkoxycarbonyl group or a benzoyl group, Y represents H or a trialkylsilyl group, A2 represents a furyl group, an alkylfuryl group, an alkyl group or a fluorophenyl group, Ac represents an acetyl group, and Bz represents a benzoyl group] or salts thereof; and drugs containing the same as an active ingredient. These compounds have excellent water solubility and antitumor activity.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: July 31, 2001
    Assignee: Kabushiki Kaisha Yakult Honsha
    Inventors: Hideaki Shimizu, Atsuhiro Abe, Takanori Ogawa, Hiroshi Nagata, Seigo Sawada
  • Patent number: 6225312
    Abstract: The invention relates to a group of new piperazine and piperidine compounds having interesting pharmacological properties. It has been found that compounds of formula (a) wherein A represents a heterocyclic group of 5-7 ring atoms wherein 1-3 heteroatoms from the group O, N and S are present; R1 is hydrogen or fluoro; R2 is C1-4-alkyl, C1-4-alkoxy or an oxo group, and p is 0, 1 or 2; Z represents carbon or nitrogen, and the dotted line is a single bond when Z is nitrogen, and a single or double bond when Z is carbon; R3 and R4 independently are hydrogen or C1-4-alkyl; n has the value 1 or 2; R5 is halogen, hydroxy, C1-4-alkoxy or C1-4-alkyl, and q is 0, 1, 2 or 3; Y is phenyl, furanyl or thienyl, which groups may be substituted with 1-3 substituents of the group hydroxy, halogen, C1-4-alkoxy, C1-4-alkyl, cyano, aminocarbonyl, mono- or di-C1-4-alkylaminocarbonyl; and salts thereof show high affinity for both the dopamine D2 and serotonin 5-HT1A receptors.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: May 1, 2001
    Assignee: Duphar International Research B.V.
    Inventors: Roelof Willem Feenstra, Cornelis Gerrit Kruse, Martinus Theodorus Maria Tulp, Wilma Kuipers, Stephen Kenneth Long
  • Patent number: 6207665
    Abstract: This invention is directed to acyl piperazine derivatives of formula (Ia): wherein R1a, R2, R3, R4, R5 and R6 are defined herein, which are useful as anti-inflammatory agents. This invention is also directed to other acyl piperazine derivatives, pharmaceutical compositions containing the compounds of the invention, and methods of using the compounds to treat inflammatory disorders in humans.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: March 27, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: John G. Bauman, Brad O. Buckman, Ameen F. Ghannam, Joseph E. Hesselgesser, Richard Horuk, Imadul Islam, Meina Liang, Karen B. May, Sean D. Monahan, Michael M. Morrissey, Howard P. Ng, Guo Ping Wei, Wei Xu, Wei Zheng
  • Patent number: 6187924
    Abstract: Compounds of formula (I) are useful as therapeutic agents, by virtue of having MMP and TNF inhibitory activity.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: February 13, 2001
    Assignee: Darwin Discovery, Ltd.
    Inventors: Andrew Douglas Baxter, David Alan Owen, John Gary Montana, Robert John Watson