Patents by Inventor Yue Sun

Yue Sun 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).

  • Patent number: 8673900
    Abstract: In many embodiments, the present invention provides novel heterocyclic compounds which are modulators of gamma secretase, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more disease associated with the central nervous system using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: March 18, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Zhaoning Zhu, William J. Greenlee, Xianhai Huang, Jun Qin, Xiaoxiang Liu, Hongmei Li, Wei Zhou, Anandan Palani, Xiaohong Zhu, Monica L. Vicarel, Mihirbaran Mandal, Zhong-Yue Sun, Chad E. Bennett, Troy Michael McCracken, Gioconda V. Gallo
  • Publication number: 20140057910
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W is a bond, —C(?S)—, —S(O)—, —S(O)2—, —C(?O)—, —O—, —C(R6)(R7)—, —N(R5)— or —C(?N(R5))—; X is —O—, —N(R5)— or —C(R6)(R7)—; provided that when X is —O—, U is not —O—, —S(O)—, —S(O)2—, —C(?O)— or —C(?NR5)—; U is a bond, —S(O)—, —S(O)2—, —C(O)—, —O—, —P(O)(OR15)—, —C(?NR5)—, —(C(R6)(R7))b— or —N(R5)—; wherein b is 1 or 2; provided that when W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, U is not —S(O)—, —S(O)2—, —O—, or —N(R5)—; provided that when X is —N(R5)— and W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, then U is not a bond; and R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I.
    Type: Application
    Filed: February 22, 2012
    Publication date: February 27, 2014
    Applicant: Schering Corporation
    Inventors: Zhaoning Zhu, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voight, Corey Strickland, Elizabeth M. Smith, Andrew W. Stamford, William J. Greenlee, Robert Mazzola, John Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Tao Guo, Thuy X.H. Le, Kurt W. Saionz, Suresh D. Babu, Rachael C. Hunter
  • Patent number: 8629155
    Abstract: Disclosed are compounds of formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, U, W, X, R1, R2, R6, R7, R30 and R31 are as described above in the specification. Also disclosed is the method of inhibiting aspartyl protease, and in particular, the methods of treating cardiovascular diseases, cognitive and neurodegenerative diseases. Also disclosed are methods of treating cognitive or neurodegenerative diseases using the compounds of formula I in combination with a cholinesterase inhibitor or a muscarinic m1 agonist or m2 antagonist.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: January 14, 2014
    Assignee: Merck Sharp & Dohme, Corp.
    Inventors: Yusheng Wu, Ulrich Iserloh, Jared N. Cumming, Xiaoxiang Liu, Robert D. Mazzola, Zhong-Yue Sun, Ying Huang, Andrew Stamford, Brian McKittrick, Zhaoning Zhu
  • Patent number: 8580956
    Abstract: In its many embodiments, the present invention provides a novel class of heterocyclic compounds as modulators of gamma secretase, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the central nervous system using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: November 12, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Zhaoning Zhu, William J. Greenlee, Zhong-Yue Sun, Gioconda Gallo, Ruo Xu, Xianhai Huang, Xiaohong Zhu
  • Patent number: 8357682
    Abstract: The present invention provides a novel class of heterocyclic compounds of Formula (I) as modulators of gamma secretase, wherein the definitions of the variables of Formula (I) are defined herein, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the central nervous system using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: May 5, 2008
    Date of Patent: January 22, 2013
    Inventors: Zhaoning Zhu, William J. Greenlee, Zhong-Yue Sun, Gioconda Gallo, Theodros Asberom, Xianhai Huang, Xiaohong Zhu, Mark D. McBriar, Dmitri A. Pissarnitski, Zhiqiang Zhao, Ruo Xu, Hongmei Li, Anandan Palani, Johannes H. Voigt, Robert D. Mazzola, Jr., John Clader, Hubert Josien, Jun Qin
  • Publication number: 20130018066
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W is a bond, —C(?S)—, —S(O)—, —S(O)2—, —C(?O)—, —O—, —C(R6)(R7)—, —N(R5)— or —C(?N(R5))—; X is —O—, —N(R5)— or —C(R6)(R7)—; provided that when X is —O—, U is not —O—, —S(O)—, —S(O)2—, —C(?O)— or —C(?NR5)—; U is a bond, —S(O)—, —S(O)2—, —C(O)—, —O—, —P(O)(OR15)—, —C(?NR5)—, —(C(R6)(R7))b— or —N(R5)—; wherein b is 1 or 2; provided that when W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, U is not —S(O)—, —S(O)2—, —O—, or —N(R5)—; provided that when X is —N(R5)— and W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, then U is not a bond; and R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I.
    Type: Application
    Filed: July 17, 2012
    Publication date: January 17, 2013
    Applicant: Schering Corporation & Pharmacopeia Drug Discovery Inc.
    Inventors: Zhaoning Zhu, Brian A. McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voigt, Corey Strickland, Elizabeth M. Smith, Andrew Stamford, William J. Greenlee, Robert Mazzola, John Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Tao Guo, Thuy X.H. Le, Kurt W. Saionz, Suresh D. Babu, Rachael C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse
  • Publication number: 20120276118
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein each variable in Formula 1 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I. Also disclosed are methods of inhibiting aspartyl protease, and in particular, the methods of treating cardiovascular diseases, cognitive and neurodegenerative diseases, and the methods of inhibiting of Human Immunodeficiency Virus, plasmepins, cathepsin D and protozoal enzymes. Also disclosed are methods of treating cognitive or neurodegenerative diseases using the compounds of formula I in combination with a cholinesterase inhibitor or a muscarinic m1 agonist or m2 antagonist.
    Type: Application
    Filed: March 14, 2012
    Publication date: November 1, 2012
    Applicants: Pharmacopeia Inc., Schering Corporation
    Inventors: Zhaoning Zhu, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voight, Corey O. Strickland, Elizabeth M. Smith, Andrew Stamford, William J. Greenlee, Robert D. Mazzola, John P. Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Xiaoxiang Liu, Tao Guo, Thuy X.E. Le, Kurt W. Saionz, Suresh D. Babu, Rachael C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse, Ying Huang, Guoqing Li, Jianping Pan, Jeffrey A. Misiaszek, Gaifa Lai, Jingqi Duo, Chuanxing Qu, Yuefei Shao
  • Publication number: 20120231017
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein each variable in Formula 1 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I. Also disclosed are methods of inhibiting aspartyl protease, and in particular, the methods of treating cardiovascular diseases, cognitive and neurodegenerative diseases, and the methods of inhibiting of Human Immunodeficiency Virus, plasmepins, cathepsin D and protozoal enzymes. Also disclosed are methods of treating cognitive or neurodegenerative diseases using the compounds of formula I in combination with a cholinesterase inhibitor or a muscarinic m1 agonist or m2 antagonist.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Applicants: Pharmacopeia Inc., Schering Corporation
    Inventors: ZHAONING ZHU, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voigt, Corey O. Strickland, Elizabeth M. Smith, Andrew Stamford, William J. Greenlee, Robert D. Mozzola, John P. Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Xiaoiang Liu, Tao Guo, Thuy X. E. Le, Kurt W. Sainoz, Suresh D. Babu, Rachael C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse, Ying Huang, Guoqing Li, Jianping Pan, Jeffrey A. Misiaszek, Gaifa Lai, Jingqi Duo, Chuanxing Qu, Yuefei Shao
  • Publication number: 20120231018
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein each variable in Formula 1 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I. Also disclosed are methods of inhibiting aspartyl protease, and in particular, the methods of treating cardiovascular diseases, cognitive and neurodegenerative diseases, and the methods of inhibiting of Human Immunodeficiency Virus, plasmepins, cathepsin D and protozoal enzymes. Also disclosed are methods of treating cognitive or neurodegenerative diseases using the compounds of formula I in combination with a cholinesterase inhibitor or a muscarinic m1 agonist or m2 antagonist.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 13, 2012
    Applicants: Pharmacopeia Inc., Schering Corporation
    Inventors: Zhaoning Zhu, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voigt, Corey O. Strickland, Elizabeth M. Smith, Andrew Stamford, William J. Greenlee, Robert D. Mozzola, John P. Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Xiaoxiang Liu, Tao Guo, Thuy X. E. Le, Kurt W. Saionz, Suresh D. Babu, Rachael C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse, Ying Huang, Guoqing Li, Jianping Pan, Jeffrey A. Misiaszek, Gaifa Lai, Jingqi Duo, Chuanxing Qu, Yuefei Shao
  • Publication number: 20120232064
    Abstract: Disclosed are compounds of formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, U, W, X, R1, R2, R6, R7, R30 and R31 are as described above in the specification. Also disclosed is the method of inhibiting aspartyl protease, and in particular, the methods of treating cardiovascular diseases, cognitive and neurodegenerative diseases. Also disclosed are methods of treating cognitive or neurodegenerative diseases using the compounds of formula I in combination with a cholinesterase inhibitor or a muscarinic m1 agonist or m2 antagonist.
    Type: Application
    Filed: March 15, 2012
    Publication date: September 13, 2012
    Applicant: SCHERING CORPORATION
    Inventors: Yusheng Wu, Ulrich Iserloh, Jared N. Cumming, Xiaoxiang Liu, Robert D. Mazzola, Zhong-Yue Sun, Ying Huang, Andrew Stamford, Brian McKittrick, Zhaoning Zhu
  • Patent number: 8242112
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W is a bond, —C(?S)—, —S(O)—, —S(O)2—, —C(?O)—, —O—, —C(R6)(R7)—, —N(R5)— or —C(?N(R5))—; X is —O—, —N(R5)— or —C(R6)(R7)—; provided that when X is —O—, U is not —O—, —S(O)—, —S(O)2—, —C(?O)— or —C(?NR5)—; U is a bond, —S(O)—, —S(O)2—, —C(O)—, —O—, —P(O)(OR15)—, —C(?NR5)—, —(C(R6)(R7))b— or —N(R5)—; wherein b is 1 or 2; provided that when W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, U is not —S(O)—, —S(O)2—, —O—, or —N(R5)—; provided that when X is —N(R5)— and W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, then U is not a bond; and R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: August 14, 2012
    Assignees: Schering Corporation, Pharmacopeia Drug Discovery, Inc.
    Inventors: Zhaoning Zhu, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voigt, Corey Strickland, Elizabeth M. Smith, Andrew W. Stamford, William J. Greenlee, Robert D. Mazzola, Jr., John P. Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Tao Guo, Thuy X. H. Le, Kurt W. Saionz, Suresh D. Babu, Rachael C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse
  • Publication number: 20120135980
    Abstract: This invention provides novel compounds that are modulators of gamma secretase. The compounds have the formula (Chemical formula should be inserted here as it appears on abstract in paper form). Also disclosed are methods of modulating gamma secretase activity and methods of treating Alzheimer's Disease using the compounds of formula (I).
    Type: Application
    Filed: December 18, 2009
    Publication date: May 31, 2012
    Inventors: Theodros Asberom, Zhaoning Zhu, John W. Clader, Zhong-Yue Sun, Mihirbaran Mandal, Gioconda Gallo, Xiaoxiang Liu
  • Patent number: 8183252
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W is a bond, —C(?S)—, —S(O)—, —S(O)2—, —C(?O)—, —O—, —C(R6)(R7)—, —N(R5)— or —C(?N(R5))—; X is —O—, —N(R5)— or —C(R6)(R7)—; provided that when X is —O—, U is not —O—, —S(O)—, —S(O)2—, —C(?O)— or —C(?NR5)—; U is a bond, —S(O)—, —S(O)2—, —C(O)—, —O—, —P(O)(OR15)—, —C(?NR5)—, —(C(R6)(R7))b— or —N(R5)—; wherein b is 1 or 2; provided that when W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, U is not —S(O)—, —S(O)2—, —O—, or —N(R5)—; provided that when X is —N(R5)— and W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, then U is not a bond; and R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: May 22, 2012
    Assignees: Schering Corporation, Pharmacopeia Inc.
    Inventors: Zhaoning Zhu, Zhong-Yue Sun, Andrew Stamford, William J. Greenlee, Jared N. Cumming, Lingyan Wang, Ulrich Iserloh, Xiaoxiang Liu, Ying Huang, Guoqing Li, Jianping Pan
  • Patent number: 8178513
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W, U, X, R1, R2, R3, and R4 are as defined herein, and pharmaceutical compositions comprising the compounds of formula I. Also disclosed are methods of using such compounds to inhibit aspartyl protease and to treat a variety of disease or disorders, including cardiovascular diseases, cognitive and neurodegenerative diseases.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: May 15, 2012
    Assignees: Schering Corporation, Pharmacopeia Drug Discovery Inc.
    Inventors: Zhaoning Zhu, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voigt, Corey O. Strickland, Elizabeth M. Smith, Andrew W. Stamford, William J. Greenlee, Robert D. Mazzola, Jr., John Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Tao Guo, Thuy X. H. Le, Kurt W. Saionz, Suresh D. Babu, Rachael C. Hunter
  • Patent number: 8168641
    Abstract: Disclosed are compounds of formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, U, W, X, R1, R2, R6, R7, R30 and R31 are as described above in the specification. Also disclosed is the method of inhibiting aspartyl protease, and in particular, the methods of treating cardiovascular diseases, cognitive and neurodegenerative diseases. Also disclosed are methods of treating cognitive or neurodegenerative diseases using the compounds of formula I in combination with a cholinesterase inhibitor or a muscarinic m1 agonist or m2 antagonist.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: May 1, 2012
    Assignee: Schering Corporation
    Inventors: Yusheng Wu, Ulrich Iserloh, Jared N. Cumming, Xiaoxiang Liu, Robert D. Mazzola, Zhong-Yue Sun, Ying Huang, Andrew Stamford, Brian McKittrick, Zhaoning Zhu
  • Publication number: 20110306593
    Abstract: In its many embodiments, the present invention provides a novel class of heterocyclic compounds of the formula: as modulators of gamma secretase, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more disease associated with the central nervous system using such compounds or pharmaceutical compostions.
    Type: Application
    Filed: November 11, 2009
    Publication date: December 15, 2011
    Inventors: Zhaoning Zhu, William J. Greenlee, Hongmei Li, Monica L. Vicarel, Jun Qin, Pawan Kumar Dhondi, Xianhai Huang, Anandan Palani, Xiaoxiang Liu, Zhong-Yue Sun, Hubert B. Josien, Ruo Xu, David James Cole, Duane A. Burnett, Chad E. Bennett, Troy McCracken, Malcolm MacCoss
  • Publication number: 20110294756
    Abstract: In its many embodiments, the present invention provides a novel class of heterocyclic compounds of Group A or Group, as defined herein, as modulators of gamma secretase, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the central nervous system using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: November 12, 2009
    Publication date: December 1, 2011
    Inventors: Zhaoning Zhu, William J., Xianhai Huang, Jun Qin, XIaoxiang Liu, Hongmei Li, Wei Zhou, Anandan Palani, Xiaohong Zhu, Monica L. Vicarel, Mihirbaran Mandal, Zhong-Yue Sun, Chad E. Bennett, Troy Michael McCracken, Gioconda V. Gallo
  • Publication number: 20110257156
    Abstract: In its many embodiments, the present invention provides novel heterocyclic compounds as modulators of gamma secretase, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the central nervous system using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: November 5, 2009
    Publication date: October 20, 2011
    Inventors: Zhaoning Zhu, William J. Greenlee, David James Cole, Dmitri A. Pissarnitski, Gioconda V. Gallo, Hongmei Li, Hubert B. Josien, Jun Qin, Chad E. Knutson, Mihirbaran Mandal, Monica L. Vicarel, Murali Rajagopalan, Pawan Kumar Dhondi, Ruo Xu, Zhong-Yue Sun, Thomas A. Bara, Xianhai Huang, Xiaohong Zhu, Zhiqiang Zhao, John W. Clader, Anandan Palani, Theodros Asberom, Troy McCracken, Chad E. Bennett
  • Publication number: 20110218194
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W is a bond, —C(?S)—, —S(O)—, —S(O)2—, —C(?O)—, —O—, —C(R6)(R7)—, —N(R5)— or —C(?N(R5))—; X is —O—, —N(R5)— or —C(R6)(R7)—; provided that when X is —O—, U is not —O—, —S(O)—, —S(O)2—, —C(?O)— or —C(?NR5)—; U is a bond, —S(O)—, —S(O)2—, —C(O)—, —O—, —P(O)(OR15)—, —C(?NR5)—, —(C(R6)(R7))b— or —N(R5)—; wherein b is 1 or 2; provided that when W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, U is not —S(O)—, —S(O)2—, —O—, or —N(R5)—; provided that when X is —N(R5)— and W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, then U is not a bond; and R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I.
    Type: Application
    Filed: May 16, 2011
    Publication date: September 8, 2011
    Applicant: Schering Corporation & Pharmacopeia Drug Discovery Inc.
    Inventors: Zhaoning Zhu, Brian A. Mckittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voight, Corey Strickland, Elizabeth M. Smith, Andrew Stamford, William J. Greenlee, Robert Mazzola, John Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Tao Guo, Thuy X. H. Le, Kurt W. Saionz, Suresh D. Babu, Rachel C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse
  • Patent number: 7973067
    Abstract: Disclosed are compounds of the formula I or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein W is a bond, —C(?S)—, —S(O)—, —S(O)2—, —C(?O)—, —O—, —C(R6)(R7)—, —N(R5)— or —C(?N(R5))—; X is —O—, —N(R5)— or —C(R6)(R7)—; provided that when X is —O—, U is not —O—, —S(O)—, —S(O)2—, —C(?O)— or —C(?NR5)—; U is a bond, —S(O)—, —S(O)2—, —C(O)—, —O—, —P(O)(OR15)—, —C(?NR5)—, —(C(R6)(R7))b— or —N(R5)—; wherein b is 1 or 2; provided that when W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, U is not —S(O)—, —S(O)2—, —O—, or —N(R5)—; provided that when X is —N(R5)— and W is —S(O)—, —S(O)2—, —O—, or —N(R5)—, then U is not a bond; and R1, R2, R3, R4, R5, R6, and R7 are as defined in the specification; and pharmaceutical compositions comprising the compounds of formula I.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: July 5, 2011
    Assignee: Schering Corporation
    Inventors: Zhaoning Zhu, Brian McKittrick, Zhong-Yue Sun, Yuanzan C. Ye, Johannes H. Voigt, Corey Strickland, Elizabeth M. Smith, Andrew Stamford, William J. Greenlee, Robert D. Mazzola, Jr., John P. Caldwell, Jared N. Cumming, Lingyan Wang, Yusheng Wu, Ulrich Iserloh, Tao Guo, Thuy X. H. Le, Kurt W. Saionz, Suresh D. Babu, Rachel C. Hunter, Michelle L. Morris, Huizhong Gu, Gang Qian, Dawit Tadesse