Patents by Inventor Dahui Zhou

Dahui Zhou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20060293301
    Abstract: Compounds of the Formula: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as premenstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Application
    Filed: August 31, 2006
    Publication date: December 28, 2006
    Applicant: WYETH
    Inventors: Dahui Zhou, Gary Stack
  • Patent number: 7153849
    Abstract: Compounds of the formula I: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as pre-menstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive-compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: December 26, 2006
    Assignee: Wyeth
    Inventors: Deborah Ann Evrard, Dahui Zhou, Gary Paul Stack, Aranapakam Madumbai Venkatesan, Amedeo A. Failli, Susan Christman Croce
  • Publication number: 20060276481
    Abstract: Compounds of the formula I: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as pre-menstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive-compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Application
    Filed: August 16, 2006
    Publication date: December 7, 2006
    Applicant: Wyeth
    Inventors: Deborah Evrard, Dahui Zhou, Gary Stack, Aranapakam Venkatesan, Amedeo Failli, Susan Croce
  • Publication number: 20060258714
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R2, R3, R4, y, m, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: April 21, 2006
    Publication date: November 16, 2006
    Applicant: Wyeth
    Inventors: Gavin Heffernan, Gary Stack, Jonathan Gross, Dahui Zhou, Hong Gao
  • Patent number: 7135479
    Abstract: Compounds of the Formula: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as pre-menstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: November 14, 2006
    Assignee: Wyeth
    Inventors: Dahui Zhou, Gary Paul Stack
  • Publication number: 20060247276
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R1?, R2, R3, R4, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: April 21, 2006
    Publication date: November 2, 2006
    Applicant: Wyeth
    Inventors: Jonathan Gross, Gary Stack, Dahui Zhou, Hong Gao
  • Publication number: 20060241172
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R2, R3, R4, y, n, m, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: April 21, 2006
    Publication date: October 26, 2006
    Applicant: Wyeth
    Inventors: Dahui Zhou, Gary Stack, Jonathan Gross, Hong Gao
  • Publication number: 20060111438
    Abstract: The present invention concerns production of a compound of the formula or a pharmaceutically acceptable salt thereof by a process which utilizes the cyclization of a compound of the formula: where Ar, Y, R1, Ry, R2, and m are as defined herein.
    Type: Application
    Filed: October 21, 2005
    Publication date: May 25, 2006
    Applicant: Wyeth
    Inventors: Alexander Gontcharov, Gulnaz Khafizova, John Potoski, Qing Yu, Chia-Cheng Shaw, Gary Stack, Dahui Zhou
  • Publication number: 20060089405
    Abstract: This invention concerns a process for the preparation of benzofuran derivatives. In some aspects, these compounds are of formula I: wherein each of R1, R2, R3, and R4 is as defined herein.
    Type: Application
    Filed: October 21, 2005
    Publication date: April 27, 2006
    Applicant: Wyeth
    Inventors: Dahui Zhou, Gary Stack, Alexander Gontcharov
  • Publication number: 20050261347
    Abstract: Compounds of formula 2 or pharmaceutically acceptable salts thereof are provided: wherein each of R1a, R2a, R3a, Ar, y, and m are as defined herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, are used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: April 22, 2005
    Publication date: November 24, 2005
    Applicant: Wyeth
    Inventors: Jonathan Gross, Marla Williams, Gary Stack, Hong Gao, Dahui Zhou
  • Publication number: 20050143452
    Abstract: Compounds of Formula 1 or pharmaceutically acceptable salts thereof are provided: which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: October 21, 2004
    Publication date: June 30, 2005
    Applicant: Wyeth
    Inventors: Jonathan Gross, Marla Williams, Gary Stack, Hong Gao, Dahui Zhou
  • Publication number: 20050032873
    Abstract: 3-Amino chroman and 2-amino tetralin derivatives and compositions containing such compounds are disclosed. Methods of using the 3-amino chroman and 2-amino tetralin compounds and compositions containing such compounds in the treatment of serotonin disorders, such as depression and anxiety, are also disclosed.
    Type: Application
    Filed: July 26, 2004
    Publication date: February 10, 2005
    Applicant: Wyeth
    Inventors: Nicole Hatzenbuhler, Deborah Evrard, Richard Mewshaw, Dahui Zhou, Uresh Shah, Jennifer Inghrim, Steven Lenicek, Reinhardt Baudy, John Butera, Annmarie Sabb, Amedeo Failli, Pudukkaraipudur Ramamoorthy
  • Publication number: 20050004157
    Abstract: Quinoline 3-amino chroman derivatives and compositions containing such compounds are disclosed. Methods for using the quinoline 3-amino chroman derivatives and compositions containing such compounds in the treatment of serotonin disorders are disclosed. Also disclosed are processes for preparing quinoline 3-amino chroman derivatives.
    Type: Application
    Filed: April 29, 2004
    Publication date: January 6, 2005
    Inventors: Nicole Hatzenbuhler, Dahui Zhou, Gary Stack, Jonathan Gross
  • Publication number: 20040142926
    Abstract: Compounds of the formula I: 1
    Type: Application
    Filed: September 10, 2003
    Publication date: July 22, 2004
    Inventors: Deborah Ann Evrard, Dahui Zhou, Gary Paul Stack, Aranapakam Madumbai Venkatesan, Amedeo A. Failli, Susan Christman Croce
  • Publication number: 20040138222
    Abstract: Compounds of the formula: 1
    Type: Application
    Filed: September 10, 2003
    Publication date: July 15, 2004
    Inventors: Gary Paul Stack, Michael Byron Webb, Deborah Ann Evrard, Dahui Zhou
  • Publication number: 20040132714
    Abstract: Compounds of the Formula: 1
    Type: Application
    Filed: September 10, 2003
    Publication date: July 8, 2004
    Inventors: Dahui Zhou, Gary Paul Stack
  • Patent number: 6610712
    Abstract: This invention provides compounds useful in treating serotonin-related central nervous system disorders, including anxiety, generalized anxiety disorder, panic disorder, obsessive-compulsive disorder, sleep disorders, sexual dysfunction, alcohol and drug addiction, Alzheimer's disease, Parkinson's disease, obesity and migraine, the compounds having the general formula: wherein: R1 and R2 may each be H or an alkyl or alkoxy group; or R1 and R2 may be concatenated to form a bicyclic ring system with the phenyl ring to which they are bound; X is selected from hydrogen, halogen, cyano, C1-C6 alkoxy; Z is (CH2)n or carbonyl; n is 0, 1 or 2; the dashed line indicates an optional double bond; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: August 26, 2003
    Assignee: Wyeth
    Inventors: Richard E. Mewshaw, Dahui Zhou, Ping Zhou
  • Patent number: 6489342
    Abstract: This invention provides aryloxy indole derivatives which are useful for the treatment of diseases affected by disorders of the serotonin-affected neurological systems, such as depression and anxiety, the compounds having the formula: wherein R1 is H or alkyl; R2, R3, and R4 are H, alkyl, or halogen; X is H, halogen, CN, or C1-C6 alkoxy; Z is (CH2)n or carbonyl; n is 1 or 2; and the dashed line indicates an optional double bond; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: December 3, 2002
    Assignee: Wyeth
    Inventors: Richard E. Mewshaw, Dahui Zhou, Ping Zhou
  • Patent number: 6465482
    Abstract: Compounds are provided which are useful for the treatment of serotonin-affected neurological disorders which comprise Wherein: R1, R2 and R3 are each, independently, hydrogen, halogen, CF3, alkyl, alkoxy, MeSO2, or together can form a 5-7 membered carbocyclic or heterocyclic ring; R4 is hydrogen, halogen, or alkyl; R5 is hydrogen, alkyl, alkylaryl, or aryl; R6 is hydrogen, halogen, CF3, CN, carbamide, or alkoxy; X1, X2 and X3 are each carbon or one of X1, X2 or X3 may be nitrogen; Y is carbon or nitrogen; and Z is carbon or nitrogen; or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: October 15, 2002
    Assignee: Wyeth
    Inventors: Richard E. Mewshaw, Ping Zhou, Dahui Zhou, Kristin L. Meagher, Magda Asselin, Deborah A. Evrard, Adam M. Gilbert
  • Publication number: 20020099078
    Abstract: This invention provides aryloxy indole derivatives which are useful for the treatment of diseases affected by disorders of the serotonin-affected neurological systems, such as depression and anxiety, the compounds having the formula: 1
    Type: Application
    Filed: November 15, 2001
    Publication date: July 25, 2002
    Applicant: American Home Products Corporation
    Inventors: Richard E. Mewshaw, Dahui Zhou, Ping Zhou