Three Or More Hetero Atoms In The Polycyclo Ring System Patents (Class 540/578)
  • Patent number: 7329653
    Abstract: The present invention provides compounds of the general formulas: wherein Y is NR or —(CH2)n; R is H or alkyl; “Z” represents optionally substituted phenyl or a 6-membered aromatic ring having one nitrogen atom; “W” represents a optionally substituted phenyl or 5-membered aromatic ring having one nitrogen atom; “X” represents an optionally substituted 5-membered aromatic ring having one sulfur atom; as well as methods and pharmaceutical compositions utilizing these compounds for the inducing temporary delay of urination or treatment of disorders remedied by vasopressin agonist activity, including diabetes insipidus, nocturnal enuresis, nocturia, urinary incontinence, or bleeding and coagulation disorders.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: February 12, 2008
    Assignee: Wyeth
    Inventors: Amedeo A. Failli, Jay S. Shumsky, Thomas J. Caggiano, John P. Dusza, Kevin A. Memoli
  • Patent number: 7297790
    Abstract: Low-hygroscopic anhydrous mirtazapine crystals having a hygroscopic degree of not more than 0.6% by weight when the crystals are stored in the air having a relative humidity of 75% at 25° C. under atmospheric pressure for 500 hours; a process for preparing anhydrous mirtazapine crystals having a hygroscopic degree of not more than 0.6% by weight when the crystals are stored in the air having a relative humidity of 75% at 25° C. under atmospheric pressure for 500 hours, comprising drying crystals of mirtazapine hydrate; a crystal of a mirtazapine hydrate represented by the formula (I): wherein n is an integer of 1 to 5; and a process for preparing crystals of a mirtazapine hydrate, comprising crystallizing a crude mirtazapine using a water-soluble organic solvent and water. The anhydrous mirtazapine crystals can be suitably used, for instance, as an antidepressant.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: November 20, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Eiichi Iishi, Yoshiyuki Imamiya
  • Publication number: 20070260057
    Abstract: The present invention is directed to novel processes for the preparation of fused pyrazole compounds, useful for the treatment of disorders and conditions mediated by serotonin receptor activity.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 8, 2007
    Inventors: Xiaohu Deng, Jimmy T. Liang, Neelakandha Mani
  • Patent number: 7262302
    Abstract: The present invention relates to derivatives of 1-thia-3-aza-dibenzoazulene class, to their pharmacologically acceptable salts and solvates, to processes and intermediates for the preparation thereof as well as to their antiinflammatory effects, especially to the inhibition of tumour necrosis factor-? (TNF-?) production and the inhibition of interleukin-1 (IL-1) production as well as to their analgetic action.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: August 28, 2007
    Assignee: GlaxoSmithKline Istrazivacki Centar Zagreb, D.O.O.
    Inventors: Mladen Mercep, Milan Mesic, Marina Modric, Dijana Pesic, Davor Kidemet
  • Patent number: 7262190
    Abstract: The invention relates to compounds of formula (I): wherein: R1 represents hydrogen, alkyl or cycloalkyl, R2 represents hydrogen, halogen or hydroxy, A represents CR3R4 or NR3 wherein R3 and R4 are as defined in the description, Y represents an alkylene chain as described in the description, X represents NR5R6, S(O)nR7, OR8, C(O)R9, amidino or a heterocycle, their isomers, and addition salts thereof; and medicinal products containing the same which are useful in the prevention or treatment of diseases associated with AMPA flux.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: August 28, 2007
    Assignee: Les Laboratoires Servier
    Inventors: Patrice Desos, Alexis Cordi, Pierre Lestage, Laurence Danober
  • Patent number: 7262189
    Abstract: Compounds of formula (I): wherein: R1 represents aryl or heteroaryl, R2 represents hydrogen, halogen or hydroxy, X represents oxygen or sulphur, Y represents oxygen, sulphur or NR wherein R represents hydrogen or alkyl, A represents CR4R5 or NR4, R3 represents hydrogen, alkyl or cycloalkyl, R4 represents hydrogen or alkyl, or A represents nitrogen and, together with adjacent —CHR3—, forms the ring wherein m represents 1, 2 or 3, R5 represents hydrogen or halogen, their isomers and also their addition salts Medicaments.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: August 28, 2007
    Assignee: Les Laboratoires Server
    Inventors: Alex Cordi, Patrice Desos, Pierre Lestage
  • Patent number: 7253163
    Abstract: Compounds of formula (I): wherein: R1 represents a heterocycle, R2 represents hydrogen, a halogen or hydroxy, A represents CR4R5 or NR4, R3 represents hydrogen, alkyl or cycloalkyl, R4 represents hydrogen or alkyl, or A represents nitrogen and, together with the adjacent —CHR3—, forms the ring wherein m represents 1, 2 or 3, R5 represents hydrogen or a halogen, their isomers, and also addition salts thereof.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: August 7, 2007
    Assignee: Les Laboratoires Servier
    Inventors: Patrice Desos, Alex Cordi, Pierre Lestagé
  • Patent number: 7253161
    Abstract: Compounds of formula (I): wherein: R1 represents aryl or heteroaryl, R2 represents hydrogen, halogen or hydroxy, A represents CR4R5 or NR4, R3 represents hydrogen, alkyl or cycloalkyl, R4 represents hydrogen or alkyl, or A represents nitrogen and, together with adjacent —CHR3—, forms the ring wherein m represents 1, 2 or 3, R5 represents hydrogen or halogen, their isomers and also their addition salts. Medicaments.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: August 7, 2007
    Assignee: Les Laboratoires Servier
    Inventors: Alex Cordi, Patrice Desos, Pierre Lestage
  • Patent number: 7211574
    Abstract: The present invention provides compounds, which, are novel antagonists for D1/D5 receptors as well as methods for preparing such compounds. In another embodiment, the invention provides pharmaceutical compositions comprising such D1/D5 receptor antagonists as well as methods of using them to treat CNS disorders, obesity, metabolic disorders, eating disorders such as hyperphagia, and diabetes.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: May 1, 2007
    Assignee: Schering Corporation
    Inventors: Wen-Lian Wu, Duane A. Burnett, William J. Greenlee, Thavalakulamgara K. Sasikumar
  • Patent number: 7176195
    Abstract: Compounds according to general formulae (1 and 2), wherein G1 is an azepine derivative and G2 is a group according to general formulae (9–11) are new. Compounds according to the invention are vasopressin V2 receptor agonists.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: February 13, 2007
    Assignee: Ferring BV
    Inventors: Doreen Ashworth, Gary R. W. Pitt, Peter Hudson, Christopher Yea, Richard J. Franklin, Graeme Semple, David Paul Jenkins
  • Patent number: 7122545
    Abstract: The invention relates to 2-imidazo-benzothiazoles of general formula wherein R1, R2, R3, R4, R5, R6, R7, R?, R?, X, R?? and n are defined herein, or a pharmaceutically acceptable salt thereof. It has been found that the compound of formula I are adenosine receptor ligands with good affinity to the A1 and A3 receptors. These compounds have useful pharmaceutical activities.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: October 17, 2006
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Alexander Flohr, Roland Jakob-Roetne, Roger David Norcross, Claus Riemer
  • Patent number: 7105506
    Abstract: Compounds of structural formula (I) and use of the compounds and salts and solvates thereof, as therapeutic agents.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: September 12, 2006
    Assignee: Lilly Icos LLC
    Inventors: Mark W. Orme, Jason S. Sawyer, Lisa M. Schultze
  • Patent number: 7105667
    Abstract: Fused heterocylic compounds of the following Formula wherein R1, R2, R5, Z, J1 and J2 are described herein which are useful in treating leukocyte activation-associated disorders.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: September 12, 2006
    Assignee: Bristol-Myers Squibb Co.
    Inventors: William J. Pitts, Joseph Barbosa, Junqing Guo
  • Patent number: 7056910
    Abstract: To provide a compound having a superior arginine vasopressin antagonism. A novel 1,4,5,6-tetrahydroimidazo[4,5-d]benzazepine derivative or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: June 6, 2006
    Assignee: Astellas Pharma Inc.
    Inventors: Hiroyuki Koshio, Akio Kakefuda, Ippei Sato, Ryutaro Wakayama, Masanao Sanagi
  • Patent number: 6951850
    Abstract: This invention is directed to compounds of the formula and the pharmaceutically-acceptable salts thereof, where the substituents are as defined in the Specification, which are growth hormone secretogogues and which increase the level of endogenous growth hormone. The compounds of this invention are useful for the treatment and prevention of osteoporosis and/or frailty, congestive heart failure, frailty associated with aging, obesity; accelerating bone fracture repair, attenuating protein catabolic response after a major operation, reducing cachexia and protein loss due to chronic illness, accelerating wound healing, or accelerating the recovery of burn patients or patients having undergone major surgery; improving muscle strength, mobility, maintenance of skin thickness, metabolic homeostasis or renal homeostasis.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: October 4, 2005
    Assignee: Pfizer, Inc.
    Inventors: Philip Albert Carpino, David Andrew Griffith, Bruce Allen Lefker
  • Patent number: 6916925
    Abstract: Dye labeled imidazonaphthyridine, imidazopyridine and imidazoquinoline compounds having immune response modulating activity are disclosed. The compounds arc useful, inter alia, for determining the binding and/or receptor sites of the molecules.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: July 12, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Michael J. Rice, Mark A. Tomai, Ai-Ping Wei
  • Patent number: 6908926
    Abstract: Disclosed is a novel class of substituted imidazole compounds, pharmaceutical compositions containing them and uses of these compounds in the treatment and/or prevention of diseases and disorders related to the histamine H3 receptor. More particularly, these compounds are useful for the treatment and/or prevention of diseases and disorders in which an interaction with the histamine H3 receptor is beneficial. These imidazoles compounds have the formula I wherein R1, R2, R3, R4, R5, R6, A, X, Y and Z are as defined in the specification.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: June 21, 2005
    Assignee: Novo Nordisk A/S
    Inventors: Florencio Zaragoza Dörwald, Knud Erik Andersen, Tine Krogh Jørgensen, Bernd Peschke, Birgitte Schjellerup Wulff, Ingrid Pettersson, Klaus Rudolf, Dirk Stenkamp, Rudolf Hurnaus, Stephan Georg Müller, Bernd Krist
  • Patent number: 6852855
    Abstract: A novel process for preparing a compound of the formula I: wherein R1 denotes substituted or unsubstituted alkyl, alkoxy, aryl, aryloxy or arylalkoxy; R2 denotes substituted or unsubstituted alkyl, alkoxy, aryl, aryloxy, arylalkoxy, tosyl, formyl, acetyl or amine; and R3 denotes substituted or unsubstituted alkyl, alkoxy, aryl, aryloxy or arylalkoxy is disclosed. These compounds are useful in the synthesis of the antidepressant mirtazapine and other tetracyclic compounds.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: February 8, 2005
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventor: Ben-Zion Dolitzky
  • Publication number: 20040229862
    Abstract: The invention relates to 2-imidazo-benzothiazoles of general formula 1
    Type: Application
    Filed: May 11, 2004
    Publication date: November 18, 2004
    Inventors: Alexander Flohr, Roland Jakob-Roetne, Roger David Norcross, Claus Riemer
  • Patent number: 6815440
    Abstract: Cyclic and heterocyclic N-substituted &agr;-iminohydroxamic and -carboxylic acids Compounds of the formula I are suitable for preparing pharmaceuticals for the treatment of disorders in the course of which is involved an increased activity of matrix-degrading metalloproteinases.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: November 9, 2004
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Werner Thorwart, Wilfried Schwab, Manfred Schudok, Burkhard Haase, Eckart Bartnik, Klaus-Ulrich Weithmann
  • Publication number: 20040192670
    Abstract: The present invention relates to cyclic urea derivatives, their synthesis, and their use as &agr;v integrinreceptor antagonists. More particularly, the compounds of the present invention are antagonists of the integrin receptors &agr;v&bgr;3 and &agr;v&bgr;15 and are useful for inhibiting bone resorption, treating and preventing osteoporosis, and inhibiting vascular restenosis, diabetic retinopathy, macular degeneration, angiogenesis, atherosclerosis, inflammatory arthritis, tumor growth and metastasis.
    Type: Application
    Filed: March 11, 2003
    Publication date: September 30, 2004
    Inventors: John H Hutchinson, Aiwen Li
  • Patent number: 6774230
    Abstract: The preparation of 1-(3-carboxypyridyl-2)-4-methyl-2-phenylpiperazine dihydrate and other mirtazapine intermediates are described. These compounds are particularly useful in the preparation of mirtazapine.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: August 10, 2004
    Assignee: Teva Pharmaceutical Industries, Ltd.
    Inventors: Leonid Metzger, Shlomit Wizel
  • Patent number: 6770647
    Abstract: The present application describes to novel bicyclic hydroxamates derivatives of formula I: or pharmaceutically acceptable salt or prodrug forms thereof, wherein A, B, B1, B2, R1, and C are defined in the present specification, which are useful as inhibitors of matrix metalloproteinases (MMP), TNF-&agr; converting enzyme (TACE), aggrecanase, or a combination thereof.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: August 3, 2004
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: James E. Sheppeck, Jingwu Duan
  • Publication number: 20040092503
    Abstract: The present invention relates to methods of treatment of certain metabolic diseases, and to novel compounds and their prodrugs, and/or pharmaceutically acceptable salts, pharmaceutical compositions containing such compounds useful in treating such diseases. In particular, this invention relates to the use of novel compounds and compositions for treatment of cardiovascular diseases, diabetes, cancers, acidosis, and obesity through the inhibition of malonyl-CoA decarboxylase (MCD). These compounds have the formulae (I) and (II), wherein Y, C, R1, R2, R6, and R7 are defined herein.
    Type: Application
    Filed: August 19, 2003
    Publication date: May 13, 2004
    Inventors: Thomas Arrhenius, Jie Fei Cheng, Mark E Wilson, Rossy Serafimov
  • Patent number: 6723845
    Abstract: Low-hygroscopic anhydrous mirtazapine crystals having a hygroscopic degree of not more than 0.6% by weight when the crystals are stored in the air having a relative humidity of 75% at 25° C. under atmospheric pressure for 500 hours; a process for preparing anhydrous mirtazapine crystals having a hygroscopic degree of not more than 0.6% by weight when the crystals are stored in the air having a relative humidity of 75% at 25° C. under atmospheric pressure for 500 hours, comprising drying crystals of mirtazapine hydrate; a crystal of a mirtazapine hydrate represented by the formula (I): wherein n is an integer of 1 to 5; and a process for preparing crystals of a mirtazapine hydrate, comprising crystallizing a crude mirtazapine using a water-soluble organic solvent and water. The anhydrous mirtazapine crystals can be suitably used, for instance, as an antidepressant.
    Type: Grant
    Filed: January 7, 2003
    Date of Patent: April 20, 2004
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Eiichi Iishi, Yoshiyuki Imamiya
  • Patent number: 6720316
    Abstract: The present invention provides compounds of Formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8 and Z have any of the values defined in the specification, as well as pharmaceutical compositions comprising the compounds. The invention also provides therapeutic methods as well as processes and intermediates useful for preparing compounds of Formula (I). The compounds are 5-HT ligands, and are useful for treating diseases whereas modulation of 5-HT activity is desired.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: April 13, 2004
    Assignee: Pharmacia & Upjohn Company
    Inventor: William W. McWhorter, Jr.
  • Publication number: 20040048912
    Abstract: Compounds having Formula I, including pharmaceutically acceptable salts, hydrates and solvates thereof: 1
    Type: Application
    Filed: June 9, 2003
    Publication date: March 11, 2004
    Inventors: Steven H. Olson, James M. Balkovec, Yuping Zhu
  • Publication number: 20040034012
    Abstract: To provide a compound having a superior arginine vasopressin antagonism. A novel 1,4,5,6-tetrahydroimidazo[4,5-d]benzazepine derivative or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 27, 2003
    Publication date: February 19, 2004
    Inventors: Hiroyuki Koshio, Akio Kakefuda, Ippei Sato, Ryutaro Wakayama, Masanao Sanagi
  • Patent number: 6686352
    Abstract: The present invention is a compound of formula wherein R1 is halogen or lower alkyl; R2 is hydrogen, lower alkyl, cycloalkyl, —(CH2)m-phenyl, wherein the phenyl ring may be substituted by lower alkoxy, or is —(CH2)m-indolyl; R3 is —C(O)O-lower alkyl, —C(O)OH, or a five membered heteroaromatic group, which rings may be substituted by lower alkyl or cycloalkyl; n is 0, 1 or 2; m is 0, 1 or 2; or a pharmaceutically acceptable acid addition salt thereof. Compound I shows high affinity and selectivity for GALA A &agr;5 receptor binding sites.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: February 3, 2004
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Raffaello Masciadri, Andrew William Thomas, Juergen Wichmann
  • Patent number: 6660730
    Abstract: Methods for producing anhydrous mirtazapine crystals that are either (1) substantially free of lower alcohol insolubles or (2) substantially free of residual solvent and have an average particle diameter of from 10 to 50 &mgr;m, are provided, and the resulting anhydrous mirtazapine crystals produced thereby, which are useful in pharmaceuticals.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: December 9, 2003
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Chiharu Maeda, Sadanobu Yoshikawa, Eiichi Iishi
  • Patent number: 6653471
    Abstract: Disclosed are heterocyclic compounds of the formula and the pharmaceutically acceptable salts thereof wherein the variables A, V, Y, J, E, X, T, G, Q, W, Z, b, n and m are defined herein. These compounds are highly selective agonists, antagonists or inverse agonists for GABAA brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAA brain receptor.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: November 25, 2003
    Assignee: Neurogen Corporation
    Inventors: Daniel Yohannes, George Maynard, Jun Yuan, Linghong Xie, Kyungae Lee, Manuka Ghosh, George Luke, Xiaojun Liu, Arthur Nagal, Lawrence Vincent, Kevin Currie, Zhe-Quing Wang
  • Publication number: 20030216378
    Abstract: The invention provides a compound of formula (I): 1
    Type: Application
    Filed: January 6, 2003
    Publication date: November 20, 2003
    Inventor: Jian-min Fu
  • Patent number: 6649604
    Abstract: Selected novel substituted pyrimidinone and pyridone compounds are effective for prophylaxis and treatment of diseases, such as TNF-&agr;, IL-1&bgr;, IL-6 and/or IL-8 mediated diseases, and other maladies, such as pain and diabetes. The invention encompasses novel compounds, analogs, prodrugs and pharmaceutically acceptable salts thereof, pharmaceutical compositions and methods for prophylaxis and treatment of diseases and other maladies or conditions involving inflammation, pain, diabetes and the like. The subject invention also relates to processes for making such compounds as well as to intermediates useful in such processes.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: November 18, 2003
    Assignee: Amgen Inc.
    Inventors: Ulrike D. Spohr, Michael J. Malone, Nathan B. Mantlo, Jeffrey A. Zablocki
  • Patent number: 6642222
    Abstract: The present invention provides novel compounds of formula I which may be useful in hyperpolarizing cell membranes, opening potassium channels, relaxing smooth muscle cells, and inhibiting bladder contractions.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: November 4, 2003
    Assignee: Abbott Laboratories
    Inventors: William A. Carroll, Konstantinos A. Agrios, Robert J. Altenbach, Irene Drizin, Michael E. Kort
  • Patent number: 6638934
    Abstract: The present invention is directed to novel compounds represented by structural Formulas (I) and (I-a): or a pharmaceutically acceptable salt thereof, wherein R1, R4a, R4b, R5, R6, R7, R8, R9, n, and X are described herein. The invention is also concerned with pharmaceutical formulations comprising these novel compounds as active ingredients and the use of the novel compounds and their formulations in the treatment of certain disorders. The compounds of this invention are serotonin agonists and antagonists and are useful in the control or prevention of central nervous system disorders including obesity, anxiety, depression, psychosis, schizophrenia, sleep and sexual disorders, migraine and other conditions associated with cephalic pain, social phobias, and gastrointestinal disorders such as dysfunction of the gastrointestinal tract motility.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: October 28, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Albert Robichaud, Ian S. Mitchell, Taekyu Lee, Wenting Chen
  • Patent number: 6632809
    Abstract: The present invention relates to compounds of the formula I: or a pharmaceutically acceptable derivative or prodrug thereof. The compounds are useful as inhibitors of bacterial gyrase activity. The present invention also relates to methods for treating bacterial infections in mammala. The present invention also relates to methods for decreasing bacterial quantity in a biological sample.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: October 14, 2003
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Anne-Laure Grillot, Paul Charifson, Dean Stamos, Yusheng Liao, Michael Badia, Martin Trudeau
  • Publication number: 20030171357
    Abstract: Bicyclo-pyrazole compounds of formula (I), as herein defined, are useful for treating diseases linked to disregulated protein kinases.
    Type: Application
    Filed: February 10, 2003
    Publication date: September 11, 2003
    Inventors: Deniele Fancelli, Valeria Pittala, Mario Varasi
  • Patent number: 6603003
    Abstract: A novel method for the synthesis of piperazine and its derivatives of formula 1, wherein R is selected from hydrogen, or a lower alkyl group having 1 to 6 carbon atoms or a phenylalkyl group the alkyl of which has 1 to 4 carbon atoms; R1 is selected from hydrogen, a methyl group, a phenyl group optionally substituted with an alkyl group having 1 to 6 carbon atoms, or a phenylalkyl group the alkyl of which has 1 to 4 carbon atoms; and R2 is selected from hydrogen, or a methyl group, or a fluoromethyl group; comprising the steps: a. reacting an ester of formula 11 with substituted or unsubstituted ethylenediamine of formula 7 to give 3,4-dehydropiperazine-2-one and its derivatives of formula 12, wherein R, R1, R2 are as defined above and R6 is a C1 to C4 linear or branched alkyl group; and b. reacting the 3,4-dehydro-piperazine-2-one and its derivatives of formula 12 with a reducing agent to yield the piperazine and its derivatives of formula 1.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: August 5, 2003
    Assignee: Sun Pharmaceutical Industries LTD
    Inventors: Sonny Sebastian, Hetal Virendra Patel, Rajamannar Thennati
  • Publication number: 20030087895
    Abstract: This invention concerns the compounds of formula 1
    Type: Application
    Filed: July 2, 2002
    Publication date: May 8, 2003
    Inventors: Frans Eduard Janssens, Joseph Elisabeth Leenaerts, Francois Maria Sommen, Dominique Louis Nestor Ghislaine Surleraux
  • Publication number: 20030088094
    Abstract: The present invention is directed to methods for the preparation of piperazine ring-containing compounds, particularly mirtazapine. According to the present invention, the mirtazapine intermediate 1-(3-carboxypyridyl-2)-4-methyl-2-phenyl-piperazine is made by hydrolyzing 1-(3-cyanopyridyl-2)-4-methyl-2-phenyl-piperazine with a base where the base is present in a ratio of up to about 12 moles of the base per one mole of 1-(3-cyanopyridyl-2)-4-methyl-2-phenyl-piperazine. The mirtazapine intermediate 1-(3-carboxypyridyl-2)-4-methyl-2-phenyl-piperazine may be made by hydrolyzing 1-(3-cyanopyridyl-2)4-methyl-2-phenyl-piperazine with potassium hydroxide at a temperature of at least about 130° C.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 8, 2003
    Inventors: Claude Singer, Anita Liberman, Nina Finkelstein
  • Publication number: 20030078255
    Abstract: The present application describes 6-5, 6-6, or 6-7 heterobicycles of Formula I or pharmaceutically acceptable salt forms thereof: 1
    Type: Application
    Filed: March 22, 2002
    Publication date: April 24, 2003
    Inventor: Donald Joseph Phillip Pinto
  • Patent number: 6552189
    Abstract: Low-hygroscopic anhydrous mirtazapine crystals having a hygroscopic degree of not more than 0.6% by weight when the crystals are stored in the air having a relative humidity of 75% at 25° C. under atmospheric pressure for 500 hours; a process for preparing anhydrous mirtazapine crystals having a hygroscopic degree of not more than 0.6% by weight when the crystals are stored in the air having a relative humidity of 75% at 25° C. under atmospheric pressure for 500 hours, comprising drying crystals of mirtazapine hydrate; a crystal of a mirtazapine hydrate represented by the formula (I): wherein n is an integer of 1 to 5; and a process for preparing crystals of a mirtazapine hydrate, comprising crystallizing a crude mirtazapine using a water-soluble organic solvent and water. The anhydrous mirtazapine crystals can be suitably used, for instance, as an antidepressant.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: April 22, 2003
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Eiichi Iishi, Yoshiyuki Imamiya
  • Patent number: 6544979
    Abstract: This invention concerns the use of compounds of formula the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein the dotted line is an optional bond; n is 1 or 2; R1 is hydrogen; halo; formyl; C1-4alkyl optionally substituted with hydroxy, C1-4alkyloxy, C1-4alkylcarbonyloxy, imidazolyl, thiazolyl or oxazolyl; or a radical of formula —X—COOR5, —X—CONR6R7 or —X—COR10 wherein —X—is a direct bond, C1-4alkanediyl or C2-6alkenediyl; R5 is hydrogen, C1-12alkyl, Ar, Het, C1-6alkyl substituted with C1-4alkyloxy, aryl or heteroaryl; R6 and R7 each independently are hydrogen or C1-4alkyl; R2 is hydrogen, halo, C1-4alkyl, hydroxyC1-4alkyl, C1-4alkyloxycarbonyl, carboxyl, formyl or phenyl; R3 is hydrogen, C1-4alkyl or C1-4alkyloxy; R4 is hydrogen, halo, C1-4alkyl, C1-4alkyloxy or haloC1-4alkyl; Z is —CH2—, —CH2—CH2—, —CH═CH—, —CHOH—CH
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: April 8, 2003
    Assignee: Janssen Pharmaceuticals, N.V.
    Inventor: Henricus Johannes Matheus Snoeck
  • Publication number: 20030055035
    Abstract: 1
    Type: Application
    Filed: May 3, 2000
    Publication date: March 20, 2003
    Inventors: Willilam A. Carroll, Konstantinos A. Agrios, Robert J. Altenbach, Irene Drizin, Michael E. Kort
  • Publication number: 20030055042
    Abstract: The present invention is a compound of formula 1
    Type: Application
    Filed: April 9, 2002
    Publication date: March 20, 2003
    Inventors: Raffaello Masciadri, Andrew William Thomas, Juergen Wichmann
  • Patent number: 6503899
    Abstract: The invention provides a compound of formula (I): wherein: R1-R5, m, n, p, and the bonds a and b represented by - - - have any of the values, specific values, or preferred values described in the specification; or a salt or solvate thereof. The invention also provides pharmaceutical compositions comprising such a compound, as well as intermediates and processes useful for preparing such a compound, and therapeutic methods including the administration of such a compound.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: January 7, 2003
    Assignee: Pharmacia & Upjohn Company
    Inventor: Jian-min Fu
  • Publication number: 20020198190
    Abstract: The present invention provides compounds of formula I: 1
    Type: Application
    Filed: June 17, 2002
    Publication date: December 26, 2002
    Applicant: PHARMACIA & UPJOHN COMPANY
    Inventors: Jackson B. Hester, Bruce N. Rogers, Eric Jon Jacobsen, Michael D. Ennis, Brad A. Acker, Susan L. Vander Velde, Kristine E. Frank
  • Publication number: 20020198189
    Abstract: A method of treatment or prophylaxis of SSAO-mediated complications in mammals including humans, comprising administering to a patient in need of such treatment a therapeutically effective amount of a compound of Formula (I): 1
    Type: Application
    Filed: November 9, 2001
    Publication date: December 26, 2002
    Inventors: Olivier Besencon, Rolf Olsson, Johan Ohman, Patrizia Caldirola
  • Patent number: 6489323
    Abstract: The current invention relates to compounds of Formula I pharmaceutical compositions and methods of use as nitric oxide synthase inhibitors, wherein the substituents are defined in the application.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: December 3, 2002
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., R. Keith Webber, E. Ann Hallinan, Mihaly V. Toth, Barnett S. Pitzele, Alok K. Awasthi, Alan E. Moormann, Suzanne Metz, Jeffery S. Snyder, William M. Moore, Jeffrey A. Scholten
  • Patent number: 6448270
    Abstract: Novel 4-substituted piperidine analogs, pharmaceutical compositions containing the same and the method of using the 4-substituted piperidine analogs as selectively active antagonists of N-methyl-D-aspartate (NMDA) receptor subtypes for treating conditions such as cerebral ischemia, central nervous system trauma, hypoglycemia, neurodegenerative disorders, anxiety, migraine headaches, convulsions, aminoglycoside antibiotics-induced hearing loss, chronic pain, psychosis, glaucoma, CMV retinitis, opioid tolerance or withdrawal, urinary incontinence and neurodegenerative disorders such as lathyrism, Alzheimers' Disease, Parkinsonism, and Huntington's Disease are described. Also described are novel methods for preparing 4-substituted piperidine analogs and novel intermediates of the 4-substituted piperidine analogs.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: September 10, 2002
    Assignees: Warner-Lambert Company, Cocensys, Incorporated
    Inventors: Christopher F. Bigge, Jonathan Wright, Sui Xiong Cai, Eckard Weber, Richard Woodward, Nancy C. Lan, Zhang-Lin Zhou, John F.W. Keana