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: 20200095212
    Abstract: Compounds of Formula I, or a pharmaceutically acceptable salt, solvate or hydrate thereof: (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: February 19, 2018
    Publication date: March 26, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Dane Clausen, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Qinglin Pu, Wensheng Yu, Hongjun Zhang
  • Patent number: 10570141
    Abstract: The present invention belongs to the field of pharmaceutical chemistry, and relates to a substituted pyrrolopyrimidine CDK inhibitor, in particular to a compound as shown in formula I or a pharmaceutically acceptable salt or solvate thereof, as well as a preparation method thereof and a pharmaceutical composition thereof. The present invention also relates to the use of the compound and the pharmaceutical composition thereof in the preparation of a drug for treating diseases associated with CDK inhibition. The compound according to the present invention has a marked inhibitory effect on CDK, excellent drug absorption and significantly superior oral absorption effect.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 25, 2020
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., CENTAURUS BIOPHARMA CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Shulong Wang, Kuncheng Chen, Xijie Liu, Yuandong Hu, Bo Liu, Yong Peng, Hong Luo, Yongxin Han, Shanchun Wang, Mei Liu, Hongjiang Xu
  • Patent number: 10561657
    Abstract: The present application relates to the field of pharmaceutical chemistry, and in particular, to a pyrrolopyrimidine compound represented by general formula (I), a stereoisomer thereof, or a pharmaceutically acceptable salt thereof. The present invention further relates to a method for preparing the pyrrolopyrimidine compound represented by general formula (I), pharmaceutical compositions and an application of the pyrrolopyrimidine compound in treating diseases mediated by Janus Kinase.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: February 18, 2020
    Assignees: Centaurus Biophrama Co., Ltd., Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang Runzhong Pharmaceutical Co., Ltd.
    Inventors: Li Zhu, Dengming Xiao, Yuandong Hu, Liguang Dai, Xiaowei Duan, Yinghui Sun, Yong Peng, Fansheng Kong, Hong Luo, Yongxin Han, Ling Yang, Shanchun Wang
  • Publication number: 20200039951
    Abstract: In its many embodiments, the present invention provides certain substituted N-aryl and N-heteroaryl piperidine compounds of the Formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, L, R4, L1, Q, R5 and R6 are as defined herein. The novel compounds of the invention, and pharmaceutically acceptable compositions comprising a compound thereof, may be useful as Liver X-? receptor (LXR?) agonists, and may be useful for treating or preventing pathologies related thereto. Such pathologies include, but are not limited to, inflammatory diseases and diseases characterized by defects in cholesterol and lipid metabolism, such as Alzheimer's disease.
    Type: Application
    Filed: October 9, 2017
    Publication date: February 6, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Michael T. Rudd, Zhaoyang Meng, Jenny Wai, David Jonathan Bennett, Edward J. Brnardic, Nigel J. Liverton, Shawn J. Stachel, Yongxin Han, Paul Tempest, Jiuxiang Zhu, Xuewang Xu
  • Patent number: 10538497
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 21, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Abdelghani Achab, Purakkattle Biju, Yongqi Deng, Xavier Fradera, Liangqin Guo, Shuwen He, Joseph Kozlowski, Ravi Kurukulasuriya, Kun Liu, Meredeth Ann McGowan, Qinglin Pu, Nunzio Sciammetta, Hongjun Zhang, Hua Zhou
  • Publication number: 20190382363
    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: December 19, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Jongwon Lim, Satyanarayana Tummanapalli, Phieng Siliphaivanh, Kerrie Spencer
  • Publication number: 20190375716
    Abstract: In its many embodiments, the present invention provides certain piperidine compounds of the Formula (I): and pharmaceutically acceptable salts thereof, wherein X, Y, R1, R2, R3, L, R4, L1, Q, and R5 are as defined herein. The novel compounds of the invention, and pharmaceutically acceptable compositions comprising a compound thereof, are useful as Liver X-? receptor (LXR?) agonists, and may be useful for treating or preventing pathologies related thereto. Such pathologies include, but are not limited to, inflammatory diseases and diseases characterized by defects in cholesterol and lipid metabolism, such as Alzheimer's disease.
    Type: Application
    Filed: October 9, 2017
    Publication date: December 12, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Michael T. Rudd, Zhaoyang Meng, Jenny Wai, David Jonathan Bennett, Edward J. Brnardic, Nigel J. Liverton, Shawn J. Stachel, Yongxin Han, Paul Tempest, Jiuxiang Zhu, Xuewang Xu, Bin Zhu, Chuanman Huang
  • Patent number: 10501458
    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: Grant
    Filed: July 1, 2016
    Date of Patent: December 10, 2019
    Assignees: Iomet Pharma Ltd., Merck Sharp & Dohme Corp.
    Inventors: Phillip M. Cowley, Alan Wise, Thomas J. Brown, Meredeth A. McGowan, Hua Zhou, Yongxin Han
  • Publication number: 20190352306
    Abstract: Provided is an amino pyrazolopyrimidine compound as represented by the following structural formula used as a neurotrophic factor tyrosine kinase receptor inhibitor. The compound can inhibit the activity of Trk kinase and can treat diseases mediated by a Trk tyrosine kinase receptor in mammals.
    Type: Application
    Filed: October 27, 2017
    Publication date: November 21, 2019
    Inventors: Li ZHU, Yuandong HU, Wei WU, Liguang DAI, Xiaowei DUAN, Yanqing YANG, Yinghui SUN, Yongxin HAN, Yong PENG, Fansheng KONG, Hong LUO, Ling YANG, Hongjiang XU, Meng GUO, Zhaobai ZHONG, Shanchun WANG
  • Patent number: 10450309
    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: Grant
    Filed: November 28, 2016
    Date of Patent: October 22, 2019
    Assignee: Merch Sharp & Dohme Corp.
    Inventors: Yongxin Han, Satyanarayana Tummanapalli, Phieng Siliphaivanh, Kerrie Spencer
  • Publication number: 20190300533
    Abstract: The present invention belongs to the field of pharmaceutical chemistry, and relates to a substituted pyrrolopyrimidine CDK inhibitor, in particular to a compound as shown in formula I or a pharmaceutically acceptable salt or solvate thereof, as well as a preparation method thereof and a pharmaceutical composition thereof. The present invention also relates to the use of the compound and the pharmaceutical composition thereof in the preparation of a drug for treating diseases associated with CDK inhibition. The compound according to the present invention has a marked inhibitory effect on CDK, excellent drug absorption and significantly superior oral absorption effect.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 3, 2019
    Inventors: Shulong Wang, Kuncheng Chen, Xijie Liu, Yuandong Hu, Bo Liu, Yong Peng, Hong Luo, Yongxin Han, Shanchun Wang, Mei Liu, Hongjiang Xu
  • Patent number: 10385038
    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: Grant
    Filed: July 29, 2016
    Date of Patent: August 20, 2019
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., LIANYUNGANG 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
  • Patent number: 10370368
    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: Grant
    Filed: November 28, 2016
    Date of Patent: August 6, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Satyanarayana Tummanapalli, Phieng Siliphaivanh, Kerrie Spencer
  • Publication number: 20190201403
    Abstract: The present application relates to the field of pharmaceutical chemistry, and in particular, to a pyrrolopyrimidine compound represented by general formula (I), a stereoisomer thereof, or a pharmaceutically acceptable salt thereof. The present invention further relates to a method for preparing the pyrrolopyrimidine compound represented by general formula (I), pharmaceutical compositions and an application of the pyrrolopyrimidine compound in treating diseases mediated by Janus Kinase.
    Type: Application
    Filed: December 15, 2015
    Publication date: July 4, 2019
    Inventors: Li Zhu, Dengming Xiao, Yuandong Hu, Liguang Dai, Xiaowei Duan, Yinghui Sun, Yong Peng, Fansheng Kong, Hong Luo, Yongxin Han, Ling Yang, Shanchun Wang
  • Patent number: 10336733
    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: Grant
    Filed: November 28, 2016
    Date of Patent: July 2, 2019
    Assignee: Merk Sharp & Dohme Corp.
    Inventors: Yongxin Han, Jongwon Lim, Satyanarayana Tummanapalli, Phieng Siliphaivanh, Kerrie Spencer
  • Patent number: 10336731
    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: Grant
    Filed: September 12, 2016
    Date of Patent: July 2, 2019
    Assignees: Merck Sharp & Dohme Corp., Iomet Pharma Ltd.
    Inventors: Phillip M. Cowley, Yongxin Han
  • Patent number: 10329277
    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: Grant
    Filed: July 15, 2016
    Date of Patent: June 25, 2019
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD., CENTAURUS BIOPHARMA CO., LTD.
    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: 20190183899
    Abstract: A pyrrolopyrimidine comprising a cyclopentyi substituent. The present invention specifically relates to a compound represented by formula. A and a stereoisomer and pharmaceutically acceptable salt thereof. The invention further relates to a method for manufacturing the pyrrolopyrimidine comprising the cyclopentyl substituent represented by formula A, a pharmaceutical composition, and an application of the compound in treating a disease induced by Janus kinase.
    Type: Application
    Filed: June 15, 2017
    Publication date: June 20, 2019
    Applicants: CENTAURUS BIOPHARMA CO., LTD., CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Li ZHU, Yangjian LIU, Chuanyu ZHANG, He WANG, Hong LUO, Yinghui SUN, Yongxin HAN
  • Publication number: 20190144433
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof: Also disclosed herein are uses of a compound disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of a composition in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 16, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Abdelghani Achab, Yongqi Deng, Xavier Fradera, Craig Gibeau, Brett A. Hopkins, Derun Li, Kun Liu, Meredeth A. McGowan, Nunzio Sciammetta, David Sloman, Catherine White, Hongjun Zhang, Hua Zhou
  • Publication number: 20190062308
    Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 28, 2019
    Inventors: Na ZHAO, Shulong WANG, Xijie LIU, Yuandong HU, Hui ZANG, Hong LUO, Yong PENG, Yongxin HAN, Xiquan ZHANG, Hongjiang XU