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).
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Publication number: 20250206717Abstract: Provided is a compound having anti-tumor activity and a use thereof. As a PRMT5 inhibitor, the compound has a structure represented by formula (I). Experiments have confirmed that these compounds have strong inhibitory effects on PRMT5 enzyme activity and tumor cell growth, and can be used as promising compounds for treating PRMT5-mediated diseases. Furthermore, a specific synthesis method is further studied. The synthesis method is simple in process, convenient to operate, and beneficial to large-scale industrial production and application.Type: ApplicationFiled: May 12, 2022Publication date: June 26, 2025Applicant: Innovstone Therapeutics LimitedInventors: Yunlong SONG, Wenqing XU, Hongyan KOU, Yongzhao MU, Qun DANG, Pan LI, Zhou YIN, Jianbin MA, Xiaodan FU, Xin CAI, Yan LI
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Publication number: 20240336593Abstract: The present disclosure provides a compound having a novel structure as a PRMT5 inhibitor, a method for preparing the compound, and use thereof in the treatment of a disease mediated by a PRMT5 inhibitor. Experiments have shown that these compounds have a strong inhibitory effect on PRMT5, and can be used as promising candidate compounds for treatment of diseases mediated by PRMT5 inhibitors. In addition, a specific synthetic method is developed in the present disclosure, which has a simple process and convenient operation, and is beneficial to industrial mass production and application.Type: ApplicationFiled: September 3, 2021Publication date: October 10, 2024Inventors: Qun Dang, Hanyu Yang, Pan Li, Chunhua Jiang, Zhou Yin, Jianbin Ma, Xiaodan Fu, Xin Cai
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Publication number: 20240150346Abstract: A compound, as represented by formula I, as a TLR7 agonist, a method for preparing the compound, and the use of the compound in treating diseases mediated by the TLR7 agonist are provided. Studies on the activity of a human-derived receptor, a TLR7 agonist, show that compounds have a strong agonistic effect on the human-derived receptor, TLR7, and can be used as a foreground compound for treating diseases mediated by the TLR7 agonist.Type: ApplicationFiled: January 27, 2022Publication date: May 9, 2024Inventors: Yunlong SONG, Chen ZHANG, Fang GAO, Weimin LIU, Qun DANG, Pan LI, Zhou YIN, Xin CAI, Xiaodan FU, Jianbin MA
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Patent number: 11352321Abstract: Provided herein are compounds, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or co-crystals and prodrugs thereof which have glucagon receptor antagonist or inverse agonist activity. Further, provided herein are 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. Moreover, provided herein are methods of making or manufacturing compounds disclosed herein, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or Co-crystals and prodrugs thereof.Type: GrantFiled: February 28, 2019Date of Patent: June 7, 2022Assignee: Metabasis Therapeutics, Inc.Inventors: Jorge E Gomez-Galeno, Scott J. Hecker, Qun Dang, Mali Venkat Reddy, Zhili Sun, Matthew P. Grote, Thanh Huu Nguyen, Robert Huerta Lemus, Haiqing Li
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Patent number: 10864211Abstract: The present invention relates to a compound represented by formula (I): and pharmaceutically acceptable salts thereof are disclosed as useful for treating or preventing diabetes, hyperlipidemia, obesity, NASH, inflammation related disorders, and related diseases and conditions. The compounds are useful as agonists of the G-protein coupled receptor GPR120. Pharmaceutical compositions and methods of treatment are also included.Type: GrantFiled: December 11, 2017Date of Patent: December 15, 2020Assignee: Merck Sharp & Dohme Corp.Inventors: John S. Debenham, Jason M. Cox, Ping Lan, Zhongxiang Sun, Zhe Feng, Chunrui Sun, W. Michael Seganish, Zhong Lai, Cheng Zhu, Thomas Bara, Murali Rajagopalan, Qun Dang, Hyunjin M. Kim, Bin Hu, Jinglai Hao
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Patent number: 10807946Abstract: 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: GrantFiled: March 25, 2019Date of Patent: October 20, 2020Assignee: 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
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Patent number: 10519115Abstract: 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: GrantFiled: November 10, 2014Date of Patent: December 31, 2019Assignee: Merck Sharp & Dohme Corp.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
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Publication number: 20190330144Abstract: Provided herein are compounds, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or co-crystals and prodrugs thereof which have glucagon receptor antagonist or inverse agonist activity. Further, provided herein are 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. Moreover, provided herein are methods of making or manufacturing compounds disclosed herein, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or Co-crystals and prodrugs thereof.Type: ApplicationFiled: February 28, 2019Publication date: October 31, 2019Inventors: Jorge E GOMEZ-GALENO, Scott J. HECKER, Qun DANG, Mali Venkat REDDY, Zhili SUN, Matthew P. GROTE, Thanh Huu NGUYEN, Robert Huerta LEMUS, Haiqing LI
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Publication number: 20190269679Abstract: The present invention relates to a compound represented by formula (I): and pharmaceutically acceptable salts thereof are disclosed as useful for treating or preventing diabetes, hyperlipidemia, obesity, NASH, inflammation related disorders, and related diseases and conditions. The compounds are useful as agonists of the G-protein coupled receptor GPR120. Pharmaceutical compositions and methods of treatment are also included.Type: ApplicationFiled: December 11, 2017Publication date: September 5, 2019Applicant: Merck Sharp & Dohme Corp.Inventors: John S. Debenham, Jason M. Cox, Ping Lan, Zhongxiang Sun, Zhe Feng, Chunrui Sun, Michael W. Seganish, Zhong Lai, Cheng Zhu, Thomas Bara, Murali Rajagopalan, Qun Dang, Hyunjin M. Kim, Bin Hu, Jinglai Hao
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Publication number: 20190218176Abstract: 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: ApplicationFiled: March 25, 2019Publication date: July 18, 2019Inventors: 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
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Patent number: 10239829Abstract: 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: GrantFiled: June 5, 2017Date of Patent: March 26, 2019Assignee: 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
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Patent number: 10221130Abstract: Provided herein are compounds, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or co-crystals and prodrugs thereof which have glucagon receptor antagonist or inverse agonist activity. Further, provided herein are 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. Moreover, provided herein are methods of making or manufacturing compounds disclosed herein, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or Co-crystals and prodrugs thereof.Type: GrantFiled: September 29, 2017Date of Patent: March 5, 2019Assignee: Metabasis Therapeutics, Inc.Inventors: Jorge E. Gomez-Galeno, Scott J. Hecker, Qun Dang, Mali Venkat Reddy, Zhili Sun, Matthew P. Grote, Thanh Huu Nguyen, Robert Huerta Lemus, Haiqing Li
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Patent number: 10174062Abstract: 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: GrantFiled: December 19, 2016Date of Patent: January 8, 2019Assignee: Metabasis Therapeutics, Inc.Inventors: Feng Tian, Qun Dang, G. Sridhar Prasad, Wenyu Li, Brett C. Bookser, Nicholas Brian Raffaele, Mark D. Erion
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Patent number: 10144741Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.Type: GrantFiled: March 2, 2018Date of Patent: December 4, 2018Assignee: Merck Sharp & Dohme Corp.Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki
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Publication number: 20180186808Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.Type: ApplicationFiled: March 2, 2018Publication date: July 5, 2018Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki
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Patent number: 10005805Abstract: 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: GrantFiled: December 19, 2016Date of Patent: June 26, 2018Assignee: Metabasis Therapeutics, Inc.Inventors: Feng Tian, Qun Dang, G. Sridhar Prasad, Wenyu Li, Brett C. Bookser, Nicholas Brian Raffaele, Mark D. Erion
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Patent number: 9944654Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.Type: GrantFiled: October 21, 2015Date of Patent: April 17, 2018Assignee: Merck Sharp & Dohme Corp.Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki
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Publication number: 20180022695Abstract: Provided herein are compounds, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or co-crystals and prodrugs thereof which have glucagon receptor antagonist or inverse agonist activity. Further, provided herein are 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. Moreover, provided herein are methods of making or manufacturing compounds disclosed herein, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or Co-crystals and prodrugs thereof.Type: ApplicationFiled: September 29, 2017Publication date: January 25, 2018Inventors: Jorge E. Gomez-Galeno, Scott J. Hecker, Qun Dang, Mali Venkat Reddy, Zhili Sun, Matthew P. Grote, Thanh Huu Nguyen, Robert Huerta Lemus, Haiqing Li
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Patent number: 9834563Abstract: 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: GrantFiled: December 17, 2014Date of Patent: December 5, 2017Assignee: Merck Sharp & Dohme Corp.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
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Publication number: 20170305924Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.Type: ApplicationFiled: October 21, 2015Publication date: October 26, 2017Applicant: Merck Sharp & Dohme Corp.Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki