Chalcogen Hetero Ring Attached Directly Or Indirectly To The Piperazine Ring By Nonionic Bonding Patents (Class 514/253.11)
  • Patent number: 6423717
    Abstract: Novel sulphonamide derivatives having CNS activity, processes for their preparation and their use as medicaments are disclosed.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: July 23, 2002
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Steven Mark Bromidge, Francis David King, Paul Adrian Wyman
  • Patent number: 6391865
    Abstract: The use of CCR5 antagonists of the formula or a pharmaceutically acceptable salt thereof, wherein R is optionally substituted phenyl, pyridyl, thiophenyl or naphthyl; R1 is hydrogen or alkyl; R2 is substituted phenyl, substituted heteroaryl, naphthyl, fluorenyl, diphenylmethyl or optionally substituted phenyl- or heteroaryl-alkyl; R3 is hydrogen, alkyl, alkoxyalkyl, cycloalkyl, cycloalkylalkyl, or optionally substituted phenyl, phenylalkyl, naphthyl, naphthylalkyl, heteroaryl or heteroarylalkyl; R4, R5 and R7 are hydrogen or alkyl; R6 is hydrogen, alkyl or alkenyl; for the treatment of HIV, solid organ transplant rejection, graft v.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: May 21, 2002
    Assignee: Schering Corporation
    Inventors: Bahige M. Baroudy, John W. Clader, Hubert B. Josien, Stuart W. McCombie, Brian A. McKittrick, Michael W. Miller, Bernard R. Neustadt, Anandan Palani, Elizabeth M. Smith, Ruo Steensma, Jayaram R. Tagat, Susan F. Vice, Eric Gilbert, Marc A. Labroli
  • Patent number: 6384036
    Abstract: Bis-sulfonamido hydroxyethylamino compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to retroviral protease inhibiting compounds of the formula: or a pharmaceutically acceptable salt, prodrug or ester thereof, wherein the variables are as defined herein.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: May 7, 2002
    Assignee: G.D. Searle & Co.
    Inventors: John N. Freskos, Daniel P. Getman, John J. Talley, James A. Sikorski
  • Publication number: 20020028819
    Abstract: Piperazinedione compounds of the formula: 1
    Type: Application
    Filed: May 8, 2001
    Publication date: March 7, 2002
    Inventors: Che-Ming Teng, Hui-Po Wang, Eric I. C. Li, On Lee, Jih-Hwa Guh, Huei-Ting Chen, Ya-Bing Fan, Ya-Lan Chen
  • Patent number: 6316445
    Abstract: The present invention relates to novel carboxy substituted acyclic carboxamide derivatives of formula (1)): and stereoisomers and pharmaceutically acceptable salts thereof and their use as tachykinin receptor antagonists. Such antagonists are useful in the treatment of tachykinin-mediated diseases and conditions disclosed herein including: asthma, cough, and bronchitis.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: November 13, 2001
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Timothy P. Burkholder, George D. Maynard, Elizabeth M. Kudlacz
  • 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: 6258813
    Abstract: Piperazine derivatives of the formula I in which R1 and R2 have the meanings given in claim 1 are dopamine ligands with a selectivity for the D4 receptor and are suitable for the treatment and prophylaxis of states of anxiety, depression, schizophrenia, obsessions, Parkinson's disease, tardive dyskinesia, nausea and disorders of the gastro-intestinal tract.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: July 10, 2001
    Assignee: Merck Patent Gesellschaft mit
    Inventors: Michael Arlt, Henning Bottcher, Gerd Bartoszyk, Christoph Seyfried
  • Patent number: 6255302
    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, cognitive disorders, Alzheimer's disease and Parkinson's disease.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: July 3, 2001
    Assignee: American Home Products Corporation
    Inventors: Michael G. Kelly, Yvette L. Palmer
  • Patent number: 6221869
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable acid addition salts thereof, wherein: R1, R2, R3, R4 are the same or different and represent hydrogen, C1-C6 alkyl, halogen, hydroxy, amino, cyano, nitro, trifluoromethyl, trifluoromethoxy, C1-C6 alkoxy, —O2CR′, —NHCOR′, —COR′, —SOmR′, where R′ is C1-C6 alkyl and wherein m is 0, 1 or 2; or R1, R2, R3, R4 independently represent —CONR′R″, or —NR′R″ where R′ and R″ independently represent hydrogen or C1-C6 alkyl; R5 is hydrogen or C1-C6 alkyl; and R represents an aminoalkyl group, which compounds are useful in the treatment of affective disorders such as schizophrenia, depression, Alzheimer's disease, movement disorders such as Parkinsonism and dystonia, and other disorders which respond to dopaminergic blockade such as substance abuse and obsessive compulsive disorders.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: April 24, 2001
    Assignee: Neurogen Corporation
    Inventors: Jun Yuan, Xi Chen
  • Patent number: 6218394
    Abstract: 4-Aryl-1-(indanmethyl, dihydrobenzofuramethyl or dihydrobenzothiophenemethyl) piperidine, -tetrahydropyridine or -piperazine compounds of general formula (I) wherein one of X and Y is CH2, and the other one is CH2, O or S; Z is N, C, CH or COH; Ar is an optionally substituted aryl group; R1 is hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, acyl, thioacyl, alkylsulfonyl, trifluoromethylsulfonyl, arylsulfonyl, a group R9VCO— where V is O or S and R9 is alkyl or aryl, or a group R10R11NCO— or R10R11NCS— wherein R10 and R11 are hydrogen, alkyl or aryl, or R10 and R11 are linked to form a ring; R2 is hydrogen, alkyl, cycloalkyl or cycloalkylalkyl; or R1 and R2 are linked to form a ring; R3-R5 are hydrogen, halogen, alkyl, alkylcarbonyl, phenylcarbonyl, alkoxy, alkylthio, hydroxy, alkylsulfonyl, cyano, trifluoromethyl, cycloalkyl, cycloalkylalkyl or nitro; R6 and R7 are hydrogen or alkyl or they are linked to constitute a 3-7-membered ring; R8 is hydrogen or alkyl
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: April 17, 2001
    Assignee: H. Lundbeck A/S
    Inventors: Jens Kristian Perregaard, John Willie Stenberg, Bitten Hansen
  • Patent number: 6187774
    Abstract: The present invention relates to a fused heterocyclic compound of the formula (I) wherein each symbol is as defined in the specification, an optical isomer thereof, a pharmaceutically acceptable salt thereof, a pharmaceutical composition containing a compound of the formula (I), an optical isomer thereof or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable additive, and a medicament containing a compound of the formula (I), an optical isomer thereof or a pharmaceutically acceptable salt thereof. The compound of the present invention is a useful antipsychotic agent effective not only for positive symptoms centering on hallucination and delusion characteristic of the acute stage of schizophrenia, but also negative symptoms of apathy, abulia and autism.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: February 13, 2001
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Hiroshi Tanaka, Takanobu Kuroita, Yoshifumi Togo, Seigo Ishibuchi, Masakazu Fujio, Takashi Futamura