Patents by Inventor Yongxin Han

Yongxin Han 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: 20180305342
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof are antagonists of leukotriene B4 receptor 1 (BLT1) and may be useful in the treatment, prevention and suppression of diseases mediated by the leukotriene B4 receptor 1 (BLT1). The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, insulin resistance, hyperglycemia, dyslipidemia, lipid disorders, obesity, hypertension. Non-alcoholic fatty liver disease/nonalcoholic steatoepatitis metabolic syndrome, atherosclerosis, and cancer.
    Type: Application
    Filed: November 28, 2016
    Publication date: October 25, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Jongwon Lim, Satyanarayana Tummanapalli, Phieng Siliphaivanh, Kerrie Spencer
  • Publication number: 20180291017
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are antagonists of leukotriene B4 receptor 1 (BLT1) and may be useful in the treatment, prevention and suppression of diseases mediated by the leukotriene B4 receptor 1 (BLT1). The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, insulin resistance, hyperglycemia, dyslipidemia, lipid disorders, obesity, hypertension, Non-alcoholic fatty liver disease/nonalcoholic steatohepatitis, metabolic syndrome, atherosclerosis, and cancer.
    Type: Application
    Filed: November 28, 2016
    Publication date: October 11, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Satyanarayana Tummanapalli, Phieng Siliphaivanh, Kerrie Spencer
  • Publication number: 20180258075
    Abstract: Provided is a compound having formula (I): wherein R2 is selected from —C1, —Br and —CN; R1 and R4 are independently selected from H and —F; R631, R632, R641 and R642 are independently selected from —H, —F and substituted or unsubstituted C1-C3 alkyl groups; and R651 and R652 are independently selected from H and substituted or unsubstituted C1-C3 alkyl groups and substituted or unsubstituted phenyl groups; and wherein at least one of R631, R632, R641, R642 and R652 is not —H, or wherein when all of R631, R632, R641, R642 and R652 are —H, R651 is not Me or Et.
    Type: Application
    Filed: September 12, 2016
    Publication date: September 13, 2018
    Applicants: Merck Sharp & Dohme Corp., IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Yongxin Han
  • Patent number: 10072003
    Abstract: The present invention provides quinoline carboxamide and quinoline carbonitrile compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1, R2, L, X1, X2, and X3, are as defined herein. The compounds of the invention, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising them, are useful as non-competitive mGluR2 antagonists, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a person in need thereof for diseases or disorders in which the mGluR2-NAM receptor plays a causative role, such as Alzheimer's disease, cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: September 11, 2018
    Inventors: Ashok Arasappan, Christopher James Bungard, Jessica L. Frie, Yongxin Han, Scott B. Hoyt, Peter J. Manley, Robert S. Meissner, James J. Perkins, Iyassu K. Sebhat, Robert R. Wilkening, Kenneth J. Leavitt
  • Publication number: 20180244649
    Abstract: The present invention discloses a crystal of citrate salt of pyridine-substituted 2-aminopyridine-based protein kinase inhibitors, in particular, to crystal of 5-((R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy)-4?-methoxy-6?-((S)-2-methylpiperazin-1-yl)-3,3?-bipyridin-6-amine citrate salt, a method for preparation thereof, a crystalline composition and a pharmaceutical composition comprising the crystal, and further discloses the use of crystals of citrate salt of the compound of Formula I in protein kinase-related diseases. The crystals of citrate salt according to the present invention are superior to 5-((R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy)-4?-methoxy-6?-((S)-2-methylpiperazin-1-yl)-3,3?-bipyridin-6-amine or other salts of 5-((R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy)-4?-methoxy-6?-((S)-2-methylpiperazin-1-yl)-3,3?-bipyridin-6-amine in at least one aspect of bioavailability, hygroscopicity, stability, solubility, purity, ease of preparation, and the like.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 30, 2018
    Inventors: Feng GONG, Xinlu LI, Rui ZHAO, Xiquan ZHANG, Xinhe XU, Xijie LIU, Dengming XIAO, Yongxin HAN
  • Publication number: 20180222853
    Abstract: The present application relates to compounds represented by general formula (I), general formula (II) or general formula (III), and pharmaceutically acceptable salts or hydrates thereof, preparation methods thereof, and pharmaceutical compositions thereof. The compounds represented by general formula (I), general formula (II) or general formula (III) have inhibitory activities against isocitrate dehydrogenase 2 (IDH2), thereby being capable of treating IDH2 mutation-induced cancers.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 9, 2018
    Inventors: Shulong WANG, Na ZHAO, Xijie LIU, Yuandong HU, Hui ZHANG, Hong LUO, Yong PENG, Dengming XIAO, Yongxin HAN, Xiquan ZHANG, Xin TIAN
  • Publication number: 20180208581
    Abstract: The present disclosure relates to aniline pyrimidine derivatives or pharmaceutically acceptable salts thereof as EGFR inhibitors, specifically relates to compounds represented by formula (I) or pharmaceutically acceptable salts, pharmaceutical compositions, the method and uses thereof for treating EGFR mediated diseases.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 26, 2018
    Inventors: Yan ZHU, Na ZHAO, Xianxing SHANG, Yuandong HU, Yong PENG, Hui ZHANG, Bo LIU, Hong LUO, Yongxin HAN, Ling YANG, Hongjiang XU
  • Publication number: 20180186787
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the general formula (I) detailed within.
    Type: Application
    Filed: July 1, 2016
    Publication date: July 5, 2018
    Applicants: Merck Sharp & Dohme Corp., IOmet Pharma ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Thomas J. Brown, Meredeth A. McGowan, Hua Zhou, Yongxin Han
  • Patent number: 9981946
    Abstract: The present invention discloses pharmaceutically acceptable acid salts of pyridine-substituted 2-aminopyridine derivatives as protein kinase inhibitors, preparation methods, pharmaceutical compositions thereof, and use thereof for the treatment of diseases associated with protein kinase.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: May 29, 2018
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., LAINYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD., CENTAURUS BIOPHARMA CO., LTD.
    Inventors: Feng Gong, Xinlu Li, Rui Zhao, Xiquan Zhang, Xinhe Xu, Xijie Liu, Dengming Xiao, Yongxin Han
  • Publication number: 20180111950
    Abstract: The present application relates to a substituted amino six-membered saturated heteroalicycle represented by formula I as a long-acting DPP-IV inhibitor, a method for preparing the same, a pharmaceutical composition comprising the same, and a use of the same in treating and/or preventing diseases and disorders benefitting from DPP-IV inhibition.
    Type: Application
    Filed: February 4, 2016
    Publication date: April 26, 2018
    Inventors: Xinhe XU, Yu SHEN, Dengming XIAO, Hong LUO, Yong PENG, Yongxin HAN, Aiming ZHANG, Ling YANG
  • Patent number: 9926299
    Abstract: The invention provides novel poly-substituted 5-membered heterocyclic compounds represented by Formula (IV), or a pharmaceutically acceptable salt, solvate, metabolite, polymorph, ester, tautomer or prodrug thereof, and a composition comprising these compounds. The compounds provided can be used as selective irreversible bruton's tyrosine kinase (Btk) inhibitors and are further useful to treat inflammatory, auto immune diseases associated with aberrant B-cell proliferation such as RA (rheumatoid arthritis) and cancers. This invention also provides the preparation of a medicament using of Formula (IV), and methods of preventing or treating diseases associated with excessive Btk activity in mammals, especially humans.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: March 27, 2018
    Assignee: Centaurus BioPharma Co., Ltd.
    Inventors: Yongxin Han, Rong Yu, Zanping Wang, Zhi Liang, Quan Hu, Li Zhu, Yuandong Hu, Yinghui Sun, Na Zhao, Yong Peng, Xiaofeng Zhai, Hong Luo, Dengming Xiao
  • Publication number: 20170349585
    Abstract: Compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, RE, L, M and Z are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 7, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kenneth L. Arrington, Christopher Burgey, Robert Gilfillan, Yongxin Han, Chun Sing Li, Yaozong Li, Yunfu Luo, Zhiyu Lei
  • Publication number: 20170305902
    Abstract: The present invention provides quinoline carboxamide and quinoline carbonitrile compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1, R2, L, X1, X2, and X3, are as defined herein. The compounds of the invention, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising them, are useful as non-competitive mGluR2 antagonists, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a person in need thereof for diseases or disorders in which the mGluR2-NAM receptor plays a causative role, such as Alzheimer's disease, cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders.
    Type: Application
    Filed: August 24, 2015
    Publication date: October 26, 2017
    Applicants: Merck Sharp & Dohme Corp., Merck Canada Inc.
    Inventors: Ashok Arasappan, Christopher James Bungard, Jessica L. Frie, Yongxin Han, Scott B. Hoyt, Peter J. Manley, Robert S. Meissner, James J. Perkins, Iyassu K. Sebhat, Robert R. Wilkening, Kenneth J. Leavitt
  • Publication number: 20170226084
    Abstract: The present invention discloses pharmaceutically acceptable acid salts of pyridine-substituted 2-aminopyridine derivatives as protein kinase inhibitors, preparation methods, pharmaceutical compositions thereof, and use thereof for the treatment of diseases associated with protein kinase.
    Type: Application
    Filed: July 31, 2015
    Publication date: August 10, 2017
    Inventors: Feng GONG, Xinlu LI, Rui ZHAO, Xiquan ZHANG, Xinhe XU, Xijie LIU, Dengming XIAO, Yongxin HAN
  • Patent number: 9725439
    Abstract: The present invention relates to a quinazoline derivative shown in formula (I) and a preparation method therefor, a pharmaceutical composition comprising the compound shown in formula (I), and an application of the compound in preparing drugs for curing and preventing tumors. The compound of the present invention can irreversibly prevent EGFR phosphorylation, and effectively depress signal transduction of cancer cells, and accordingly has higher anti-tumor activity in vitro and in vivo.
    Type: Grant
    Filed: September 28, 2014
    Date of Patent: August 8, 2017
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., CENTAURUS BIOPHARMA CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Dengming Xiao, Yan Zhu, Yuandong Hu, Huting Wang, Jijun Li, Yong Peng, Hui Zhang, Hong Luo, Fansheng Kong, Yongxin Han
  • Patent number: 9718819
    Abstract: Compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, RE, L, M and Z are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: August 1, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kenneth L. Arrington, Christopher Burgey, Robert Gilfillan, Yongxin Han, Mehul Patel, Chun Sing Li, Yunfu Luo, Zhiyu Lei
  • Patent number: 9708295
    Abstract: The present invention discloses substituted 2-aminopyridine derivatives as protein kinase inhibitors; specifically, the invention relates to 2-aminopyridine derivatives having protein kinase inhibitory properties, their manufacture, pharmaceutical compositions containing them, and use of the compounds and the pharmaceutical compositions thereof for the treatment of diseases associated with protein kinase.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: July 18, 2017
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Centaurus Biopharma Co., Ltd., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Dengming Xiao, Xinhe Xu, Xijie Liu, Yuandong Hu, Honghao Yu, Zhihua Liu, Yong Peng, Yinghui Sun, Hong Luo, Fansheng Kong, Yongxin Han, Jian Sun
  • Publication number: 20170144986
    Abstract: Provided are a compound represented by formula (III) or pharmaceutically acceptable salts, solvates, active metabolites, polymorphs, esters, tautomers or prodrugs thereof, pharmaceutical compositions containing the compound represented by formula (III), and the application of the pharmaceutical compositions as selective inreversible inhibitor of Bruton's tyrosine kinase for the prevention and treatment of inflammation, autoimmune diseases (such as rheumatoid arthritis) associated with aberrant B cell proliferation and cancers.
    Type: Application
    Filed: May 7, 2015
    Publication date: May 25, 2017
    Inventors: Yongxin HAN, Li ZHU, Dengming XIAO, Yong PENG, Hong LUO
  • Patent number: 9550781
    Abstract: The invention provides a compound represented by formula (I) which may modulate a kinase, and a pharmaceutical composition thereof, as well as the method for preventing or treating a protein kinase mediated disease or condition.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: January 24, 2017
    Assignees: Centaurus Biopharma Co., Ltd., Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Dengming Xiao, Jijun Li, Yan Zhu, Yuandong Hu, Huting Wang, Zhe Wang, Zanping Wang, Yongheng Wei, Yinghui Sun, Qiong Wu, Hui Zhang, Yong Peng, Fansheng Kong, Ying Sun, Hong Luo, Yongxin Han
  • Patent number: 9469634
    Abstract: Compounds of Formula I: are HIV reverse transcriptase inhibitors, wherein R1, R2, RE, L, M and Z are defined herein. The compounds of Formula I and their pharmaceutically acceptable salts are useful in the inhibition of HIV reverse transcriptase, the prophylaxis and treatment of infection by HIV and in the prophylaxis, delay in the onset or progression, and treatment of AIDS. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: October 18, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Chun Sing Li