Patents by Inventor Qingyian Liu

Qingyian Liu 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: 9556135
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-II.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: January 31, 2017
    Assignee: Amgen, Inc.
    Inventors: Richard T. Lewis, Jennifer R. Allen, Yuan Cheng, Deborah Choquette, Oleg Epstein, Angel Guzman-Perez, Paul E. Harrington, Zihao Hua, Randall W. Hungate, Jason Brooks Human, Ted Judd, Qingyian Liu, Patricia Lopez, Ana Elena Minatti, Philip Olivieri, Karina Romero, Shannon Rumfelt, Robert M. Rzasa, Laurie Schenkel, John Stellwagen, Ryan White, Qiufen Xue, Xiao Mei Zheng, Wenge Zhong
  • Patent number: 9550762
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, and each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: January 24, 2017
    Assignee: Amgen, Inc.
    Inventors: Jennifer R. Allen, Albert Amegadzie, Matthew P. Bourbeau, James A. Brown, Jian J. Chen, Yuan Cheng, Michael J. Frohn, Angel Guzman-Perez, Paul E. Harrington, Longbin Liu, Qingyian Liu, Jonathan D. Low, Vu Van Ma, James Manning, Ana Elena Minatti, Thomas T. Nguyen, Nobuko Nishimura, Mark H. Norman, Liping H. Pettus, Alexander J. Pickrell, Wenyuan Qian, Shannon Rumfelt, Robert M. Rzasa, Aaron C. Siegmund, Markian M. Stec, Ryan D. White, Qiufen Xue
  • Patent number: 9493459
    Abstract: Azetidine and piperidine compounds of formula (I): as defined in the specification, compositions containing them, and processes for preparing such compounds and intermediates thereof. Provided herein also are methods of treating cognitive disorders or diseases treatable by inhibition of PDE10, such as Huntington's Disease, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: November 15, 2016
    Assignee: AMGEN INC.
    Inventors: Jennifer R. Allen, Jian J. Chen, Michael J. Frohn, Matthew R. Kaller, Qingyian Liu, Thomas T. Nguyen, Alexander J. Pickrell, Wenyuan Qian, Robert M. Rzasa, Wenge Zhong
  • Publication number: 20160176874
    Abstract: Azetidine and piperidine compounds of formula (I): as defined in the specification, compositions containing them, and processes for preparing such compounds and intermediates thereof. Provided herein also are methods of treating cognitive disorders or diseases treatable by inhibition of PDE10, such as Huntington's Disease, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Application
    Filed: March 1, 2016
    Publication date: June 23, 2016
    Inventors: Jennifer R. ALLEN, Jian J. CHEN, Michael J. FROHN, Matthew R. KALLER, Qingyian LIU, Thomas T. NGUYEN, Alexander J. PICKRELL, Wenyuan QIAN, Robert M. RZASA, Wenge ZHONG
  • Publication number: 20160102075
    Abstract: Unsaturated nitrogen heterocyclic compounds of formula (I): as defined in the specification, compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of PDE10, such as obesity, Huntington's Disease, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 14, 2016
    Applicant: AMGEN INC.
    Inventors: Jennifer R. ALLEN, Jian J. CHEN, Michael J. FROHN, Essa Hu HARRINGTON, Qingyian LIU, Alexander J. PICKRELL, Shannon RUMFELT, Robert M. RZASA, Wenge ZHONG
  • Patent number: 9303028
    Abstract: Azetidine and piperidine compounds of formula (I): as defined in the specification, compositions containing them, and processes for preparing such compounds and intermediates thereof. Provided herein also are methods of treating cognitive disorders or diseases treatable by inhibition of PDE10, such as Huntington's Disease, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: April 5, 2016
    Assignee: AMGEN INC.
    Inventors: Jennifer R. Allen, Jian J. Chen, Michael J. Frohn, Matthew R. Kaller, Qingyian Liu, Thomas T. Nguyen, Alexander J. Pickrell, Wenyuan Qian, Robert M. Rzasa, Wenge Zhong
  • Patent number: 9296734
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of R1 and R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: March 29, 2016
    Assignee: Amgen Inc.
    Inventors: Ana Elena Minatti, Jonathan D. Low, Jennifer R. Allen, Jian Chen, Ning Chen, Yuan Cheng, Ted Judd, Qingyian Liu, Patricia Lopez, Wenyuan Qian, Shannon Rumfelt, Robert M. Rzasa, Nuria A. Tamayo, Qiufen Xue, Bryant Yang, Wenge Zhong
  • Publication number: 20160046618
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, and each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Application
    Filed: August 5, 2015
    Publication date: February 18, 2016
    Applicant: AMGEN INC.
    Inventors: Jennifer R. ALLEN, Albert AMEGADZIE, Matthew P. BOURBEAU, James A. BROWN, Jian J. CHEN, Yuan CHENG, Michael J. FROHN, Angel GUZMAN-PEREZ, Paul E. HARRINGTON, Longbin LIU, Qingyian LIU, Jonathan D. LOW, Vu Van MA, James MANNING, Ana Elena MINATTI, Thomas T. NGUYEN, Nobuko NISHIMURA, Mark H. NORMAN, Liping H. PETTUS, Alexander J. PICKRELL, Wenyuan QIAN, Shannon RUMFELT, Robert M. RZASA, Aaron C. SIEGMUND, Markian M. STEC, Ryan D. WHITE, Qiufen XUE
  • Patent number: 9174992
    Abstract: Heterobicyclic compounds of Formula (I): or a pharmaceutically-acceptable salt, tautomer, or stereoisomer thereof, as defined in the specification, and compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of PDE10, such as obesity, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, Huntington's Disease, and the like.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: November 3, 2015
    Assignee: Amgen Inc.
    Inventors: Jennifer R. Allen, Albert Amegadzie, Kristin L. Andrews, James Brown, Jian J. Chen, Ning Chen, Essa Hu Harrington, Qingyian Liu, Thomas T. Nguyen, Alexander J. Pickrell, Wenyuan Qian, Shannon Rumfelt, Robert M. Rzasa, Chester Chenguang Yuan, Wenge Zhong
  • Publication number: 20150307521
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Application
    Filed: November 12, 2013
    Publication date: October 29, 2015
    Inventors: Ryan WHITE, Oleg EPSTEIN, Jason B. HUMAN, Xiao Mei ZHENG, Yuan CHENG, Kelvin SHAM, Qingyian Liu, Ning CHEN
  • Publication number: 20150259308
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-II.
    Type: Application
    Filed: October 10, 2013
    Publication date: September 17, 2015
    Applicant: AMGEN INC.
    Inventors: Richard T. Lewis, Jennifer R. Allen, Yuan Cheng, Deborah Choquette, Oleg Epstein, Angel Guzman-Perez, Paul E. Harrington, Zihao Hua, Randall W. Hungate, Jason Brooks Human, Ted Judd, Qingyian Liu, Patricia Lopez, Ana Elena Minatti, Philip Olivieri, Karina Romero, Shannon Rumfelt, Robert M. Rzasa, Laurie Schenkel, John Stellwagen, Ryan White, Qiufen Xue, Xiao Mei Zheng, Wenge Zhong
  • Publication number: 20150252059
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.
    Type: Application
    Filed: May 20, 2015
    Publication date: September 10, 2015
    Inventors: Richard T. LEWIS, Jennifer R. ALLEN, James BROWN, Angel GUZMAN-PEREZ, Zihao HUA, Ted JUDD, Qingyian LIU, Philip R. OLIVIERI, Karina ROMERO, Laurie SCHENKEL, John STELLWAGEN, Ryan WHITE
  • Patent number: 9096527
    Abstract: Compounds of Formula I are useful as antagonists of TRPM8. Such compounds are useful in treating a number of TRPM8 mediated disorders and conditions and may be used to prepare medicaments and pharmaceutical compositions useful for treating such disorders and conditions. Examples of such disorders include, but are not limited to, migraines and neuropathic pain. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: August 4, 2015
    Assignee: AMGEN INC.
    Inventors: Kaustav Biswas, James Brown, Jian J. Chen, Vijay Keshav Gore, Scott Harried, Daniel B. Horne, Matthew R. Kaller, Qingyian Liu, Vu Van Ma, Holger Monenschein, Thomas T. Nguyen, David J. St. Jean, Jr., Chester Chenguang Yuan, Wenge Zhong
  • Patent number: 9096615
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: August 4, 2015
    Assignee: AMGEN INC.
    Inventors: Richard T. Lewis, Jennifer R. Allen, James Brown, Angel Guzman-Perez, Zihao Hua, Ted Judd, Qingyian Liu, Philip R. Olivieri, Karina Romero, Laurie Schenkel, John Stellwagen, Ryan White
  • Patent number: 8957073
    Abstract: Unsaturated nitrogen heterocyclic compounds of formula (I): as defined in the specification, compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of PDE10, such as obesity, Huntington's Disease, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: February 17, 2015
    Assignee: Amgen Inc.
    Inventors: Jennifer R. Allen, Jian J. Chen, Michael J. Frohn, Essa Hu, Qingyian Liu, Alexander J. Pickrell, Shannon Rumfelt, Robert M. Rzasa, Wenge Zhong
  • Publication number: 20150038497
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.
    Type: Application
    Filed: July 29, 2014
    Publication date: February 5, 2015
    Inventors: Richard T. LEWIS, Jennifer R. ALLEN, James BROWN, Angel GUZMAN-PEREZ, Zihao HUA, Ted JUDD, Qingyian LIU, Philip R. OLIVIERI, Karina ROMERO, Laurie SCHENKEL, John STELLWAGEN, Ryan WHITE
  • Patent number: 8883782
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and other related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, R2, R7, X and Y of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 11, 2014
    Assignee: Amgen Inc.
    Inventors: Yuan Cheng, Ryan White, Albert Amegadzie, James Brown, Alan C. Cheng, Erin F. Dimauro, Thomas Dineen, Oleg Epstein, Vijay Keshav Gore, Jason Brooks Human, Ted Judd, Charles Kreiman, Qingyian Liu, Patricia Lopez, Vu Van Ma, Isaac Marx, Ana Minatti, Hanh Nho Nguyen, Nick A. Paras, Vinod F. Patel, Wenyuan Qian, Matthew Weiss, Qiufen Xue, Xiao Mei Zheng, Wenge Zhong
  • Publication number: 20140249104
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of R1 and R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III.
    Type: Application
    Filed: February 27, 2014
    Publication date: September 4, 2014
    Inventors: Ana Elena MINATTI, Jonathan D. LOW, Jennifer R. ALLEN, Jian CHEN, Ning CHEN, Yuan CHENG, Ted JUDD, Qingyian LIU, Patricia LOPEZ, Wenyuan QIAN, Shannon RUMFELT, Robert M. RZASA, Nuria A. TAMAYO, Qiufen XUE, Bryant YANG, Wenge ZHONG
  • Publication number: 20140235642
    Abstract: Compounds of Formula I are useful as antagonists of TRPM8. Such compounds are useful in treating a number of TRPM8 mediated disorders and conditions and may be used to prepare medicaments and pharmaceutical compositions useful for treating such disorders and conditions. Examples of such disorders include, but are not limited to, migraines and neuropathic pain. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 21, 2014
    Applicant: AMGEN INC.
    Inventors: James Brown, Jian J. Chen, Vijay Keshav Gore, Scott Harried, Daniel B. Horne, Matthew R. Kaller, Qingyian Liu, Holger Monenschein, Thomas T. Nguyen, Nobuko Nishimura, Wenge Zhong
  • Publication number: 20140213572
    Abstract: Unsaturated nitrogen heterocyclic compounds of formula (I): as defined in the specification, compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of PDE10, such as obesity, Huntington's Disease, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Application
    Filed: April 1, 2014
    Publication date: July 31, 2014
    Applicant: AMGEN INC.
    Inventors: Jennifer R. Allen, Jian J. Chen, Michael J. Frohn, Essa Hu Harrington, Qingyian Liu, Alexander J. Pickrell, Shannon Rumfelt, Robert M. Rzasa, Wenge Zhong