Chalcogen And A Carbocyclic Ring Bonded Directly At 4-position Patents (Class 546/217)
  • Publication number: 20040266751
    Abstract: The present invention provides compounds of Formula (I): 1
    Type: Application
    Filed: June 16, 2004
    Publication date: December 30, 2004
    Inventor: Bryan W. King
  • Patent number: 6821965
    Abstract: The invention concerns amide derivatives of the Formula (I) wherein R3 is (1-6C)alkyl or halogeno; Q is aryl or heteroaryl which optionally bears 1, 2, 3 or 4 substituents such as hydroxy, halogeno, trifluoromethyl, cyano, (1-6C)alkyl, (1-6C)alkoxy, halogeno(1-6C)alkyl, hydroxy-(1-6C)alkyl, di-[(1-6C)alklyl]amino-(1-6C)alkyl, hydroxy-(2-6C)alkoxy, (1-6)alkoxy-(2-6C)alkoxy, di-[(1-6C)alkyl]amino-(2-6C)alkoxy, amino-2(2-6C)alkylamino, N-(1-6C)alkyl-(1-6C)alkylamino-(2-6C)alkylamino, aryl, aryl-(1-6C)alkoxy, heteroaryl, heteroaryl-(1-6C)alkoxy, heterocyclyl, heterocyclyl-(1-6C)alkyl, heterocyclyloxy and heterocyclyl-(1-6C)alkoxy; p is 0-2 and R2 is a substituent such as hydroxy and halogeno; q is 0-4; and R4 includes optionally substituted aryl, cycloalkyl, heteroaryl and heterocyclyl; or pharmaceutically-acceptable salts or in-vivo-cleavable esters thereof; processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of disease
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: November 23, 2004
    Assignee: AsterZeneca AB
    Inventors: Dearg S Brown, George R Brown
  • Patent number: 6806378
    Abstract: The present invention provides a catalyst system and a process for the preparation of a nonracemic chiral alcohol by hydrogenation of a ketone using the catalyst system, wherein the catalyst system comprises ruthenium, a nonracemic chiral diphosphine ligand, an amino-thioether ligand, and a base.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: October 19, 2004
    Assignee: DSM N.V.
    Inventors: Charles E. Tucker, Qiongzhong Jiang
  • Patent number: 6794511
    Abstract: A sulfonyl aromatic or heteroaromatic ring hydroxamic acid compound that inter alia inhibits matrix metalloprotease activity is disclosed as are a treatment process that comprises administering a contemplated sulfonyl aromatic or heteroaromatic ring hydroxamic acid compound in a MMP enzyme-inhibiting effective amount to a host having a condition associated with pathological matrix metalloprotease activity.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: September 21, 2004
    Assignee: G. D. Searle
    Inventors: Louis J. Bedell, Joseph J. McDonald, Thomas E. Barta, Daniel P. Becker, Shashidhar N. Rao, John N. Freskos, Brent V. Mischke, Daniel P. Getman, Gary A. DeCrescenzo, Clara I. Villamil
  • Publication number: 20040180929
    Abstract: The present invention provides compounds having formula (I): 1
    Type: Application
    Filed: March 4, 2004
    Publication date: September 16, 2004
    Inventors: Kyungjin Kim, Emily Aijun Liu, Steven Gregory Mischke
  • Patent number: 6753336
    Abstract: Disclosed are compounds of the formula: and the pharmaceutically acceptable salts thereof wherein Q, X, Y, Z, and R1 R9, and R12-R19 are defined herein. These compounds are selective modulators of MCH 1 receptors that are, therefore, useful in the treatment of a variety of metabolic, feeding, and sexual disorders. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: June 22, 2004
    Assignee: Neurogen Corporation
    Inventors: Rajagopal Bakthavatchalam, Andrew Thurkauf, Alan Hutchison
  • Patent number: 6743921
    Abstract: The present invention provides a process for the preparation of a nonracemic diastereomer of 1-(4-benzoxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1-yl)-1-propanol by hydrogenation of a corresponding nonracemic 1-(4-benzoxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1-yl)-1-propanone using a catalyst system comprising ruthenium, a nonracemic diphosphine ligand, a bidentate amine ligand selected from amino-thioethers and achiral diamines, and a base.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: June 1, 2004
    Assignees: DSM Catalytica Pharmaceuticals, Inc., Pfizer, Inc.
    Inventors: Charles E. Tucker, Qiongzhong Jiang
  • Publication number: 20040063759
    Abstract: A compound of the formula 1
    Type: Application
    Filed: July 8, 2003
    Publication date: April 1, 2004
    Applicant: Pfizer Inc.
    Inventors: Laura C. Blumberg, Matthew F. Brown, Matthew M. Hayward, Christopher S. Poss
  • Patent number: 6710060
    Abstract: The present invention relates to a compound represented by the following formula (I) or a salt thereof, or a pharmaceutical composition containing the compound as an effective ingredient: (wherein A represents, for example, phenyl group substituted with R1 and R2 or unsubstituted thienyl group; R1 and R2 each independently represent, for example, hydrogen atom, halogen atom or lower alkoxycarbonyl group; R3 represents, for example, hydrogen atom; R4 represents, for example, lower alkyl group; R5 represents, for example, lower alkoxy group; R6 represents, for example, hydrogen atom; R7 and R8 each represent, for example, hydrogen atom, respectively; X represents, for example, a single bond; Y represents, for example, methylene group or benzylidene group substituted with R1; and Z represents, for example, methylene group.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: March 23, 2004
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Ichiro Yamamoto, Manabu Itoh, Fumiaki Yamasaki, Yutaka Miyazaki, Shinichi Ogawa
  • Publication number: 20040010139
    Abstract: The present invention relates generally to processes for the efficient production optically active 3-substituted lactams of formula (I) 1
    Type: Application
    Filed: March 18, 2003
    Publication date: January 15, 2004
    Inventors: William A. Nugent, Tai Yue
  • Patent number: 6664273
    Abstract: The present invention discloses compounds, which are novel antagonists for melanin-concentrating hormone (MCH), as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such MCH antagonists as well as methods of using them to treat obesity, metabolic disorders, eating disorders such as hyperphagia, and diabetes.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: December 16, 2003
    Assignee: Schering Corporation
    Inventors: Duane A. Burnett, Wen-Lian Wu
  • Publication number: 20030212108
    Abstract: A novel crystal form of ,&agr;-dimethyl-4-{1-hydroxy-4-{4-(hydroxydiphenylmethyl)-1-piperidinyl}butyl}benzeneacetic acid hydrochloride, processes for its preparation and its pharmaceutical use are disclosed.
    Type: Application
    Filed: June 6, 2003
    Publication date: November 13, 2003
    Inventors: Julian Anthony Davies, James E. Gano
  • Patent number: 6645986
    Abstract: The present invention is directed to a process for the preparation of the mesylate trihydrate of the (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol compound having the formula (I): The present invention is also further comprises a process for enantiomeric resolution and isolation of the (D)-(−)-tartrate salt of the compound of the formula (I).
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: November 11, 2003
    Assignee: Pfizer Products, Inc.
    Inventors: Stanley Walter Walinsky, Terry Gene Sinay, Jr., Joseph Philip Rainville
  • Patent number: 6642256
    Abstract: Described are piperidines of Formula I and pharmaceutically acceptable salts thereof. The compounds of Formula I are antagonists of NMDA receptor channel complexes useful for treating cerebral vascular disorders such as, for example, stroke, cerebral ischemia, central nervous system disorders, depression, trauma, hypoglycemia, neurodegenerative disorders, anxiety, migraine headache, convulsions, Parkinson's disease, aminoglycoside antibiotics-induced hearing loss, psychosis, glaucoma, CMV retinitis, opioid tolerance or withdrawal, pain, especially chronic pain, neuropathic pain, or surgical pain, or urinary incontinence.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: November 4, 2003
    Assignee: Warner-Lambert Company LLC
    Inventors: Brian Edward Kornberg, Russell Andrew Lewthwaite, David Manning, Sham Shridhar Nikam, Ian Leslie Scott
  • Patent number: 6638950
    Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: October 28, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: John V. Duncia, Joseph B. Santella, Dean A. Wacker, Wenqing Yao, Changsheng Zheng
  • Publication number: 20030153764
    Abstract: The present invention provides a process for preparing N-protected-4-substituted piperidines of formula (I) wherein Pg represents a suitable nitrogen protecting group; X represents a heterocycle, substituted heterocycle, substituted alkenyl or substituted aryl wherein the substituted heterocycle, substituted alkenyl or substituted aryl are substituted with from 1 to 3 suitable activating groups; and R1, R2, R3, R4, R5, R6, R7, and R8 each independently represent an alkyl, alkenyl, cycloalkyl, aryl, substituted aryl, heterocycle, or substituted heterocycle, comprising treating a compound of formula (II) wherein the substituents are defined as above, with triethylsilane and trifluoroacetic acid.
    Type: Application
    Filed: May 28, 2002
    Publication date: August 14, 2003
    Inventors: Alexander Glenn Godfrey, Steven Wayne Pedersen
  • Publication number: 20030144521
    Abstract: The present invention provides a process for the preparation of a nonracemic diastereomer of 1-(4-benzoxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1-yl)-1-propanol by hydrogenation of a corresponding nonracemic 1-(4-benzoxy-phenyl)-2-(4-hydroxy-4-phenyl-piperidin-1-yl)-1-propanone using a catalyst system comprising ruthenium, a nonracemic diphosphine ligand, a bidentate amine ligand selected from amino-thioethers and achiral diamines, and a base.
    Type: Application
    Filed: January 24, 2002
    Publication date: July 31, 2003
    Applicant: DSM CATALYTICA PHARMACEUTICALS, INC.
    Inventors: Charles E. Tucker, Qiongzhong Jiang
  • Patent number: 6570018
    Abstract: The present invention is directed to a novel process for the preparation of the mesylate trihydrate of the compound of formula (I), (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol: The present invention is further directed to a process for the preparation of a (2S)-(+)-compound of formula (II): wherein R1 is a protecting group. In addition, the present invention relates to intermediates useful in said processes.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: May 27, 2003
    Assignee: Pfizer Inc
    Inventors: Stanley Walter Walinsky, Terry Gene Sinay, Jr., Joseph Philip Rainville
  • Patent number: 6559166
    Abstract: A class of phenylsulphonyl derivatives wherein the sulphonyl moiety is also attached to an N-arylalkyl-substituted azetidine, pyrrolidine or piperidine ring are selective antagonists of the human 5-HT2A receptor and are therefore useful as pharmaceutical agents, especially in the treatment and/or prevention of adverse conditions of the central nervous system, including schizophrenia and depression.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: May 6, 2003
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Peter Blurton, Frank Burkamp, Susan Koon-Fung Cheng, Stephen Robert Fletcher, Angus Murray MacLeod, Daniel Spinks, Monique Bodil Van Niel
  • Patent number: 6555541
    Abstract: The invention provides substituted phenyl compounds of general formula wherein R1, T, U and Ar are as defined in the specification, a process for their preparation, pharmaceutical compositions containing them, a process for preparing the pharmaceutical compositions, and their use in therapy.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: April 29, 2003
    Assignee: Astrazeneca UK Limited
    Inventors: Mark Furber, Timothy J Luker, Michael P Mortimore, Philip Thorne, Premji Meghani
  • Patent number: 6538002
    Abstract: The present in to s directed to compounds of the formula I: (wherein R1, R2, R3, R7, R8, X, Y, Z, x and y are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-5 and/or CCR-3.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: March 25, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Paul E. Finke, Malcolm Maccoss, Sander G. Mills, Bryan Oates
  • Patent number: 6525069
    Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: February 25, 2003
    Assignee: Bristol-Myers Squibb Pharma Co.
    Inventors: Soo S. Ko, George V. Delucca, John V. Duncia, Ui Tae Kim, Dean A. Wacker, Changsheng Zheng
  • Patent number: 6518286
    Abstract: The invention provides compounds of general formula (I) wherein: R1 represents optionally substituted, C1-C12 alkyl or optionally substituted 3- to 10-membered saturated or unsaturated ring system comprising up to two ring carbon atoms that form carbonyl groups and comprising up to 4 ring heteroatoms independently selected from nitrogen, oxygen and sulfur; m is 0-1; Q represents OCH2, C1-C4 alkylene or C2-C4 alkenylene; T represents C(O)NH, or when m is 0, T may additionally represent a bond or NH, or when m is 1 and Q represents C1-C4 alkylene, T may additionally represent NH; n is 1-4; each R2 and R3 independently represents H or C1-C4 alkyl; V represents N, and W represents N or CH; X represents O, C(O), CH(OH), SO2, NH or N(C1-C6 alkyl), provided that when W represents N, then X represents either C(O) or SO2 and when W represents CH, then X is other than SO2; R4 represents optionally substituted phenyl; R5 and R6 each independently represent H, C1-C6 alkyl or hydroxyC1-C6 alkyl, or R5 and R6 together with
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: February 11, 2003
    Assignee: AstraZeneca AB
    Inventors: Andrew Baxter, Stephen Brough, Nicholas Kindon, Thomas McInally, Bryan Roberts, Stephen Thom
  • Publication number: 20030027812
    Abstract: The present invention relates to lactam derivatives of the formula 1
    Type: Application
    Filed: August 15, 2002
    Publication date: February 6, 2003
    Applicant: Pfizer Inc.
    Inventor: Harry R. Howard
  • Publication number: 20020193600
    Abstract: The present invention is related to novel processes for preparing anhydrous and hydrated forms of piperidine derivatives, polymorphs and pseudomorphs thereof of the formulas 1
    Type: Application
    Filed: April 24, 2002
    Publication date: December 19, 2002
    Inventors: Daniel R. Henton, Frederick J. McCarty, Susan I. Tripp, Jill E. DeWitt
  • Patent number: 6476054
    Abstract: The present invention is directed to cyclic amines of the formula I: (wherein R1, R2, R3, m and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-1, CCR-2, CCR-2A, CCR-2B, CCR-3, CCR-4, CCR-5, CXCR-3, and/or CXCR-4.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: November 5, 2002
    Assignee: Merck & Co., Inc.
    Inventors: Charles G. Caldwell, Paul E. Finke, Malcolm Maccoss, Sander G. Mills, Bryan Oates, Dooseop Kim, Shankaran Kothandaraman, Liping Wang
  • Patent number: 6455549
    Abstract: A pharmaceutical composition, especially a pharmaceutical composition for the alleviation or treatment of symptoms due to ischemic diseases and symptoms derived from seizures, epilepsy, and migraine, and a Ca2+ overload suppressant, containing an arylpiperidinol or arylpiperidine derivative having the formula (I): wherein, R is H, an optionally substituted phenyl, an optionally substituted phenoxy, or an optionally substituted benzoyl, A is a connecting bond, a cycloalkylene, or an alkenylene optionally substituted with a lower alkyl, B is an alkylene optionally substituted with OH or an alkoxy or —NHCO(CH2)n— where n is an integer of 1 to 5, E is a connecting bond, O, or a methylene, X is OH or H provided that when E is O or a methylene, X is not H, and Y and Z are independently H, a halogen, an alkoxy, or an alkyl optionally substituted with a halogen.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: September 24, 2002
    Assignee: Suntory Limited
    Inventors: Hirokazu Annoura, Kyoko Nakanishi, Shigeki Tamura
  • 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
  • Publication number: 20020123492
    Abstract: The present invention relates beta-amino acid derivatives for treating or preventing neuronal damage associated with neurological diseases. The invention also provides compositions comprising the compounds of the present invention and methods of utilizing those compositions for treating or preventing neuronal damage.
    Type: Application
    Filed: January 3, 2002
    Publication date: September 5, 2002
    Inventors: David Lauffer, Michael Mullican
  • Patent number: 6444686
    Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: September 3, 2002
    Assignee: Brsitol-Myers Squibb Pharma Company
    Inventors: Soo S. Ko, George V. DeLucca, John V. Duncia, Ui Tae Kim, Joseph B. Santella, III, Dean A. Wacker
  • Patent number: 6437136
    Abstract: Disclosed is a method for producing (−)cis-3-hydroxy-1-methyl-4-(2,4,6-trimethoxyphenyl)-piperidine characterized in that 1-methyl-piperidine-4-one is converted into hydrobromide, subsequently transformed with bromine into 3(R,S)-bromine-1-methyl-4-oxo-piperidine-hydrobromide and reacted with 1,3,5-trimethoxybenzol to form 3(R,S)-bromine-1-methyl-4-(2,4,6-trimethoxyphenyl)-1,2,3,6-tetrahydro-pyridine-hydrobromide. By stirring the reaction solution into an organic solvent, 3(R,S)-bromine-1-methyl-4-(2,4,6-trimethoxyphenyl)-1,2,3,6-tetrahydro-pyridine-hydrobromide is initially isolated as a solid and subsequently the product is mixed with water and converted into 3(R,S)-hydroxy-1-methyl-4-(2,4,6-trimethoxyphenyl)-1,2,3,6-tetrahydro-pyridine by means of stirring.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: August 20, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Gerhard Breipohl, Jürgen Michalowsky
  • Patent number: 6432985
    Abstract: The invention relates to a compound of the formula its R,R-, S,S-enantiomers and racemic mixtures thereof and to their pharmaceutically acceptable acid addition salts. The compound of formula I and its R,R- and S,S-enantiomers may be used as medicaments for the treatment of diseases, wherein the therapeutic indications include acute forms of neurodegeneration caused by stroke or brain trauma; chronic forms of neurodegeneration such as Alzheimer's disease, Parkinson's disease, Huntington's disease or ALS (amyotrophic lateral sclerosis); neurodegeneration associated with bacterial or viral infections, and, diseases such as schizophrenia, anxiety, depression and chronic/acute pain.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: August 13, 2002
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Alexander Alanine, Bernd Buettelmann, Marie-Paule Heitz Neidhart, Georg Jaeschke, Emmanuel Pinard, Rene Wyler
  • Publication number: 20020091117
    Abstract: The present invention relates to compounds of the formula 1
    Type: Application
    Filed: November 6, 2001
    Publication date: July 11, 2002
    Applicant: Pfizer Inc.
    Inventor: Harry Ralph Howard
  • Patent number: 6362203
    Abstract: Described is a 4-hydroxy-4-phenylpiperidine derivative represented by the following formula (1): [wherein, R1 and R2 are the same or different and each independently represents a hydrogen atom, a lower alkyl, or the like, R3 represents a hydrogen atom or a group —(CR4R5)n—Y (in which, R4 and R5 each represents a hydrogen atom or a lower alkyl group, Y represents a group —COOR6, —CONR7R8, —OR9 or —OCOR10 (in which R6, R9 and R10 each independently represents a hydrogen atom, a lower alkyl group, or the like, R7 and R8 are the same or different and each independently represents a hydrogen atom, a lower alkyl group, or the like), and n stands for 1 to 6)], or salt thereof. The compound exhibits excellent peripheral analgesic action.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: March 26, 2002
    Assignee: SSP Co., LTD
    Inventors: Kinichi Mogi, Yoshihiko Kanamaru, Noriyuki Kawamoto, Teruo Komoto, Norimitsu Umehara, Susumu Sato, Tetsuo Oka
  • Publication number: 20020016465
    Abstract: The present invention is directed to a process for the preparation of the mesylate trihydrate of the (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy4-phenylpiperidin-1-yl)-1-propanol compound having the formula (I): 1
    Type: Application
    Filed: April 23, 2001
    Publication date: February 7, 2002
    Inventors: Stanley Walter Walinsky, Terry Gene Sinay, Joseph Philip Rainville
  • Publication number: 20020016466
    Abstract: The present invention is directed to a novel process for the preparation of the mesylate trihydrate of the compound of formula (I), (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol: 1
    Type: Application
    Filed: April 23, 2001
    Publication date: February 7, 2002
    Inventors: Stanley Walter Walinsky, Terry Gene Sinay, Joseph Philip Rainville
  • Patent number: 6271383
    Abstract: The present invention relates to antibiotic compounds and in particular to antibiotic compounds containing an oxazolidinone ring. This invention further relates to processes for their preparation, to intermediates useful in their preparation, to their use as therapeutic agents and to pharmaceutical compositions containing them.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: August 7, 2001
    Assignee: Zeneca Limited
    Inventor: Michael Barry Gravestock
  • Publication number: 20010011092
    Abstract: Novel compounds of the formula 1
    Type: Application
    Filed: January 25, 2001
    Publication date: August 2, 2001
    Inventors: Deen Tulshian, Ginny D. Ho, Lisa S. Silverman, Julius J. Matasi, Robbie L. McLeod, John A. Hey, Richard W. Chapman, Ana Bercovici, Francis M. Cuss
  • Patent number: 6225473
    Abstract: Disclosed is a method for producing (−)cis-3-hydroxy-1-methyl-4-(2,4,6-trimethoxyphenyl)-piperidine characterised in that 1-methyl-piperidine-4-one is converted into hydrobromide, subsequently transformed with bromine into 3(R,S)-bromine-1-methyl-4-oxo-pyridine-hydrobromide and reacted with 1,3,5-trimethoxyphenyl to form 3(R,S)-bromine-1-methyl-4-(2,4,6-trimethoxyphenyl)-1,2,3,6-tetrahydro-pyridine-hydrobromide. By stirring the reaction solution into an organic solvent, 3(R,S)-bromine-1-methyl-4-(2,4,6-trimethoxyphenyl)-1,2,3,6-tetrahydro-pyridine-hydrobromide is initially isolated as a solid and subsequently the product is mixed with water and converted into 3(R,S)-hydroxy-1-methyl-4-(2,4,6-trimethoxyphenyl)-1,2,3,6-tetrahydro-pyridine by means of stirring.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: May 1, 2001
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Gerhard Breipohl, Jürgen Michalowsky
  • Patent number: 6180648
    Abstract: The invention provides a compound of formula (I): wherein R1, R2, R3, and Y have any of the meanings defined in the specification; as well a pharmaceutical composition comprising a compound of formula I; intermediates and methods useful for preparing a compound of formula I; and therapeutic methods for treating drug addiction, Parkinson's disease or depression comprising administering a compound of formula I, to a mammal in need of such treatment.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: January 30, 2001
    Assignee: Biostream Therapeutics, Inc.
    Inventors: Alan P. Kozikowski, Gian Luca Araldi
  • Patent number: 6130234
    Abstract: Novel 4-substituted piperidine analogs, pharmaceutical compositions containing the same and the method of using 4-substituted piperidine analogs as selectively active antagonists of N-methyl-D-aspartate (NMDA) receptor subtypes for treating conditions such as stroke, cerebral ischemia, central nervous system trauma, hypoglycemia, anxiety, convulsions, aminoglycoside antibiotics-induced hearing loss, migraine headaches, glaucoma, CMV retinitis, chronic pain, opioid tolerance or withdrawals, or neurodegenerative disorders, such as lathyrism, Alzheimer's 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: December 20, 1996
    Date of Patent: October 10, 2000
    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
  • Patent number: 6090824
    Abstract: Compounds of formula I ##STR1## wherein Q.sup.1, Q.sup.2, Q.sup.3, and Q.sup.4 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists Substance P and NKA, useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: July 18, 2000
    Assignee: Zeneca Limited
    Inventors: Peter R. Bernstein, Bruce T. Dembofsky
  • Patent number: 6063926
    Abstract: Compounds within the genus represented by the structural formula I ##STR1## or a pharmaceutically acceptable salt thereof, wherein: T is substituted phenyl or substituted pyridyl; ##STR2## R.sup.4 is methyl or ethyl; and Z is substituted piperidinyl.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: May 16, 2000
    Assignee: Schering Corporation
    Inventors: Gregory A. Reichard, Cheryl A. Alaimo, Neng-Yang Shih, Pauline C. Ting, Nicholas I. Carruthers, Brian J. Lavey
  • Patent number: 6048876
    Abstract: A medicine having the following basic structure, for the alleviation or treatment of symptoms derived from ischemic diseases and seizures, epilepsy, and migraine, having a powerful action in suppressing cytotoxic Ca.sup.2+ overload and free from side-effects: ##STR1## wherein Z.dbd.C, CH, or N, X.dbd.O or CH.sub.2, E and Y.dbd.H, OH, a halogen, alkoxy, alkyl, or a halogen-substituted alkyl.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: April 11, 2000
    Assignee: Suntory Limited
    Inventors: Hirokazu Annoura, Mayumi Uesugi, Shinsuke Matsuki, Atsuko Fukunaga, Toshio Tatsuoka, Shigeki Tamura, Norio Inomata
  • Patent number: 6046213
    Abstract: This invention relates to compounds of formula (I), or pharmaceutically acceptable acid addition salts thereof, wherein: (a) R.sup.2 and R.sup.5 are taken separately and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently hydrogen, (C.sub.1 -C.sub.6) alkyl, halo, CF.sub.3, OH or OR.sup.7 and R.sup.5 is methyl or ethyl; or (b) R.sup.2 and R.sup.5 are taken together, forming a chroman-4-ol ring, and R.sup.1, R.sup.3 and R.sup.4 are each independently hydrogen, (C.sub.1 -C.sub.6) alkyl, halo, CF.sub.3, OH or OR.sup.7 ; and R.sup.6 is a substituted piperidinyl, pyrrolidinyl or 8-azabicyclo(3.2.1)octanyl derivative; provided that (a) when R.sup.2 and R.sup.5 are taken separately, at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is not hydrogen; and (b) when R.sup.2 and R.sup.5 are taken together, at least one of R.sup.1, R.sup.3 and R.sup.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: April 4, 2000
    Assignee: Pfizer Inc.
    Inventors: Bertrand L. Chenard, Todd W. Butler
  • Patent number: 6017933
    Abstract: Mannich bases of conjugated styryl ketones have been developed which are effective as cytotoxicity and anticancer agents, and which also have antifungal activity. Preferred compounds are those of the formula ##STR1## where R.sub.1 is Cl, CH.sub.3 or OCH.sub.3 and R.sub.2 is H or Cl. A compound of particular interest is (3-[3-(4-chlorophenyl)-2-propenoyl]-4-[2-(4-chlorophenyl)vinylene]-1-ethyl -4-piperidinol hydrochloride.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: January 25, 2000
    Assignees: University of Saskatchewan Technologies Inc., Wayne State University
    Inventors: Jonathan R. Dimmock, Elias K. Manavathu
  • Patent number: 6008233
    Abstract: The invention relates to the trihydrate of the mesylate salt of (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propano l, pharmaceutical compositions containing said compound and methods of treating disorders of the central nervous system by administering said compound.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: December 28, 1999
    Assignee: Pfizer Inc
    Inventors: Marta M. Andino, Terry G. Sinay, Eugene F. Fiese
  • Patent number: 5998444
    Abstract: Compounds of formula I ##STR1## wherein Q.sup.1, Q.sup.2, Q.sup.3, Q.sup.4, and Q.sup.5 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists of SP and NKA are useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: December 7, 1999
    Assignee: Zeneca Ltd.
    Inventor: Keith Russell
  • Patent number: 5981539
    Abstract: The present invention discloses compounds of the formula ##STR1## any of its enantiomers or any mixture thereof, or a pharmaceutically-acceptable addition salt thereof, wherein X, Ar, R, R.sup.1, R.sup.2, n are as defined herein.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: November 9, 1999
    Assignee: Neurosearch A/S
    Inventors: Oskar Axelsson, Dan Peters, Nielsen Elsebet stergaard, Palle Christophersen
  • Patent number: 5932735
    Abstract: Selected derivatives of 1-oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine are surprisingly effective as inhibitors to prevent the premature polymerization of acrylic and methacrylic acids, their esters, their amides, vinyl acetate and acrylonitrile in the presence of water. Some of these derivatives are new compounds.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: August 3, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Glen T. Cunkle, Matthew E. Gande, Raymond Seltzer, Thomas F. Thompson