Patents by Inventor Qun Dang

Qun Dang 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).

  • SUBSTITUTED PYRIMIDINES AS INHIBITORS OF HIF PROLYL HYDROXYLASE
    Publication number: 20170247336
    Abstract: The present invention concerns compounds of Formula I that inhibit HIF prolyl hydroxylase, their use for enhancing endogenous production of erythropoietin, and for treating conditions associated with reduced endogenous production of erythropoietin such as anemia and like conditions, as well as pharmaceutical compositions comprising such a compound and a pharmaceutical carrier.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 31, 2017
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: FEZ UJJAINWALLA, JOHN QIANG TAN, QUN DANG, CHRISTOPHER J. SINZ, ALEJANDRO CRESPO, MING WANG, YILI CHEN, JIAQIANG CAI, FAN WU, XIAOXING DU
  • SUBSTITUTED PYRIMIDINES AS INHIBITORS OF HIF PROLYL HYDROXYLASE
    Publication number: 20170240513
    Abstract: The present invention concerns compounds of Formula I that inhibit HIF prolyl hydroxylase, their use for enhancing endogenous production of erythropoietin, and for treating conditions associated with reduced endogenous production of erythropoietin such as anemia and like conditions, as well as pharmaceutical compositions comprising such a compound and a pharmaceutical carrier.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 24, 2017
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: FEZ UJJAINWALLA, JOHN QIANG TAN, QUN DANG, CHRISTOPHER J. SINZ, MING WANG, YILI CHEN, JIAQIANG CAI
  • SUBSTITUTED PYRIDINE INHIBITORS OF HIF PROLYL HYDROXYLASE
    Publication number: 20170240511
    Abstract: The present invention concerns compounds of formula I that inhibit HIF prolyl hydroxylase, their use for enhancing endogenous production of erythropoietin, and for treating conditions associated with reduced endogenous production of erythropoietin such as anemia and like conditions, as well as pharmaceutical compositions comprising such a compound and a pharmaceutical carrier.
    Type: Application
    Filed: October 8, 2015
    Publication date: August 24, 2017
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: FEZ UJJAINWALLA, JOHN QIANG TAN, QUN DANG, CHRISTOPHER J. SINZ, MING WANG, JIAQIANG CAI, XIAOXING DU, YILI CHEN
  • Antagonists of the glucagon receptor
    Patent number: 9701626
    Abstract: The present invention provides for novel compounds of Formula (I) and pharmaceutically acceptable salts and co-crystals thereof which have glucagon receptor antagonist or inverse agonist activity. The present invention further provides for pharmaceutical compositions comprising the same as well as methods of treating, preventing, delaying the time to onset or reducing the risk for the development or progression of a disease or condition for which one or more glucagon receptor antagonist is indicated, including Type I and II diabetes, insulin resistance and hyperglycemia. The present invention also provides for processes of making the compounds of Formula I, including salts and co-crystals thereof, and pharmaceutical compositions comprising the same.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: July 11, 2017
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Jorge E. Gomez-Galeno, Raja K. Reddy, Paul D. van Poelje, Robert Huerta Lemus, Thanh Huu Nguyen, Matthew P. Grote, Qun Dang, Scott J. Hecker, Venkat Reddy Mali, Mingwei Chen, Zhili Sun, Serge Henri Boyer, Haiqing Li, William Craigo
  • Glycosidase inhibitors and uses thereof
    Patent number: 9695197
    Abstract: The invention provides compounds with enhanced permeability for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: July 4, 2017
    Assignees: Alectos Therapeutics Inc., Merck Sharp & Dohme Corp.
    Inventors: Ramesh Kaul, Ernest J. McEachern, David J. Vocadlo, Yuanxi Zhou, Qun Dang, Harold G. Selnick
  • ANTIDIABETIC SUBSTITUTED HETEROARYL COMPOUNDS
    Publication number: 20170166578
    Abstract: The present invention relates to a compound represented by formula (I): and pharmaceutically acceptable salts thereof. The compounds of formula I are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: December 17, 2014
    Publication date: June 15, 2017
    Inventors: William K. Hagmann, Bing Li, Jason W. Szewczyk, Bowei Wang, Dann Parker, Timothy Blizzard, Hubert Josien, Purakkattle Biju, Harry Chobanian, Candido Gude, Ravi P. Nargund, Barbara Pio, Qun Dang, Linus S. Lin, Bin Hu, Mingxiang Cui, Zhengxia Chen, Meibi Dai, Zaihong Zhang, Ying Lv, Lili Tian
  • Indole derivatives useful as anti-diabetic agents
    Patent number: 9650375
    Abstract: Novel compounds of the structural formula (I) are activators of AMP-protein kinase and may be useful in the treatment, prevention and suppression of diseases mediated by the AMPK-activated protein kinase. The compounds of the present invention may be useful in the treatment of Type 2 diabetes, hyperglycemia, metabolic syndrome, obesity, hypercholesterolemia, and hypertension.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: May 16, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: John J. Acton, III, Rajan Anand, Ashok Arasappan, Qun Dang, Iyassu Sebhat, Zhifa Pu, Takao Suzuki
  • NOVEL ACTIVATORS OF GLUCOKINASE
    Publication number: 20170096440
    Abstract: The present invention provides for novel compounds of Formulas I and II and pharmaceutically acceptable salts and co-crystals thereof which have glucokinsae activator activity. The present invention further provides for pharmaceutical compositions comprising the same as well as methods of treating, preventing, delaying the time to onset or reducing the risk for the development or progression of a disease or condition for which one or more glucokinase activator is indicated, including Type 1 and 2 diabetes, impaired glucose tolerance, insulin resistance and hyperglycemia. The present invention also provides for processes of making the compounds of Formulas I and II, including salts and co-crystals thereof, and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: December 19, 2016
    Publication date: April 6, 2017
    Inventors: Feng Tian, Qun Dang, G. Sridhar Prasad, Wenyu Li, Brett C. Bookser, Nicholas Brian Raffaele, Mark D. Erion
  • Substituted benzofuran compounds and methods of use thereof for the treatment of viral diseases
    Patent number: 9573939
    Abstract: The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: February 21, 2017
    Assignees: Merck Sharp & Dohme Corp., MSD Italia SRL
    Inventors: Casey C. McComas, Nigel J. Liverton, Joerg Habermann, Uwe Koch, Frank Narjes, Peng Li, Xuanjia Peng, Richard Soll, Hao Wu, Anandan Palani, Xing Dai, Hong Liu, Shuwen He, Qun Dang
  • Heterocyclic-substituted benzofuran derivatives and methods of use thereof for the treatment of viral diseases
    Patent number: 9549917
    Abstract: The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: January 24, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Casey C. McComas, Nigel J. Liverton, Joerg Habermann, Uwe Koch, Frank Narjes, Peng Li, Xuanjia Peng, Richard Soll, Hao Wu, Anandan Palani, Xing Dai, Hong Liu, Shuwen He, Zhong Lai, Qun Dang, Nicolas Zorn
  • Antidiabetic tricyclic compounds
    Patent number: 9527875
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: December 27, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: William K. Hagmann, Ravi P. Nargund, Timothy A. Blizzard, Hubert Josien, Purakkattle Biju, Christopher W. Plummer, Qun Dang, Bing Li, Derun Li, Linus S. Lin, Mingxiang Cui, Bin Hu, Jinglai Hao, Zhengxia Chen
  • Activators of glucokinase
    Patent number: 9522926
    Abstract: The present invention provides for novel compounds of Formulas I and II and pharmaceutically acceptable salts and co-crystals thereof which have glucokinsae activator activity. The present invention further provides for pharmaceutical compositions comprising the same as well as methods of treating, preventing, delaying the time to onset or reducing the risk for the development or progression of a disease or condition for which one or more glucokinase activator is indicated, including Type 1 and 2 diabetes, impaired glucose tolerance, insulin resistance and hyperglycemia. The present invention also provides for processes of making the compounds of Formulas I and II, including salts and co-crystals thereof, and pharmaceutical compositions comprising the same.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: December 20, 2016
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Feng Tian, Qun Dang, G. Sridhar Prasad, Wenyu Li, Brett C. Bookser, Nicholas Brian Raffaele, Mark D. Erion
  • Tetracyclic heterocycle compounds and methods of use thereof for the treatment of hepatitis C
    Patent number: 9493461
    Abstract: The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: November 15, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Xing Dai, Hong Liu, Anandan Palani, Shuwen He, Zhong Lai, Ravi Nargund, Karen Marcantonio, Dong Xiao, Linda L. Brockunier, Nicolas Zorn, Qun Dang, Xuanjia Peng, Peng Li
  • 2?-disubstituted nucleoside derivatives and methods of use thereof for the treatment of viral diseases
    Patent number: 9457039
    Abstract: 2?-disubstituted substituted nucleoside derivatives of formula (I) and pharmaceutically acceptable salts thereof are disclosed: (1), wherein A is N3 or NH2 and X, Y, R1, R2, R3, R4, R5 and R18 are as defined herein. Compositions comprising at least one 2?-disubstituted nucleoside derivative, and methods of using the 2?-disubstituted nucleoside derivatives for treating or preventing HCV infection in a patient are disclosed.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: October 4, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Vinay Girijavallabhan, Stephane Bogen, Weidong Pan, Qun Dang, Ian Davies
  • ANTIDIABETIC TRICYCLIC COMPOUNDS
    Publication number: 20160257652
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: November 10, 2014
    Publication date: September 8, 2016
    Inventors: Tesfaye Biftu, Purakkattle Biju, Steven L. Colletti, Qun Dang, Pawan Dhondi, Candido Gude, Hubert Josien, Nam Fung Kar, Anilkumar G. Nair, Ravi P. Nargund, De-Yi Yang, Cheng Zhu
  • 5?-substituted nucleoside derivatives and methods of use thereof for the treatment of viral diseases
    Patent number: 9416154
    Abstract: The present invention relates to 5?-Substituted Nucleoside Derivatives of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein X, Y, Z, R1, R2 and R3 are as defined herein and B is a 7-deaza-9-purinyl moiety. The present invention also relates to compositions comprising at least one 5?-Substituted Nucleoside Derivative, and methods of using the 5?-Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: August 16, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Vishal A. Verma, Ashok Arasappan, F. George Njoroge, Vinay Girijavallabhan, Stephane L. Bogen, Qun Dang, David B. Olsen
  • Substituted benzofuran compounds and methods of use thereof for the treatment of viral diseases
    Patent number: 9364482
    Abstract: The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: June 14, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Xing Dai, Hong Liu, Anandan Palani, Shuwen He, Ravi Nargund, Dong Xiao, Nicolas Zorn, Qun Dang, Casey C. McComas, Xuanjia Peng, Peng Li, Richard Soll
  • SUBSTITUTED BENZOFURAN COMPOUNDS AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES
    Publication number: 20160136172
    Abstract: The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
    Type: Application
    Filed: June 19, 2014
    Publication date: May 19, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Xing DAI, Hong LIU, Anandan PALANI, Shuwin HE, Ravi NARGUND, Dong XIAO, Nicolas ZORN, Qun DANG, Casey C. MCCOMAS, Xuanjia PENG, Peng LI, Richard SOLL
  • SUBSTITUTED BENZOFURAN COMPOUNDS AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES
    Publication number: 20160130259
    Abstract: The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
    Type: Application
    Filed: June 19, 2014
    Publication date: May 12, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Hong Liu, Xing Dai, Anandan Palani, Shuwen He, Ravi Nargund, Dong Xiao, Qun Dang, Xuanjia Peng, Peng Li
  • CYCLIC PHOSPHONATE SUBSTITUTED NUCLEOSIDE DERIVATIVES AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES
    Publication number: 20160122380
    Abstract: The present invention relates to Cyclic Phosphonate Substituted Nucleoside Derivatives of Formula (I): (structure) and pharmaceutically acceptable salts thereof, wherein B, X, R1, R2 and R3 are as defined herein, as well as to compositions and methods of using the Cyclic Phosphonate Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: June 16, 2014
    Publication date: May 5, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Stephane Bogen, Vinay Girijavallabhan, Quang Truong, Ping Chen, Frank Bennett, Angela Kerekes, Qun Dang, David B. Olsen, Ian Davies