Patents by Inventor Zemei Ge

Zemei Ge 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: 11795174
    Abstract: Disclosed are a compound represented by the general Formula (I), or a stereisomer, tautomer, derivative, prodrug or pharmaceutically acceptable salt thereof, and a method for preparing the compound and use of the compound in manufacture of a medicament for treating a neuropathic pain and/or neuropathic pain syndrome or a medicament for combating an inflammation: wherein R1 is selected from hydrogen, halogen, alkyl, cyano and haloalkyl, R2 and R3 are independently selected from hydrogen, halogen, alkyl, haloalkyl and nitro, and R1, R2 and R3 are not hydrogen at the same time; furthermore, when either R2 or R3 is nitro or halogen, the other two of R1, R2 and R3 are not hydrogen at the same time. The compound has good effects in treating a neuropathic pain and/or neuropathic pain syndrome and good effects in combating an inflammation, and has not side effects such as addiction.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: October 24, 2023
    Assignee: LUNAN PHARMACEUTICAL GROUP CORPORATION
    Inventors: Runtao Li, Jia Ye, Xin Wang, Zemei Ge, Yingying Liang, Xiaolei Du, Ding Wang, Guimin Zhang, Jingchun Yao, Guifang Zhao
  • Publication number: 20230322816
    Abstract: The present application relates to a pyrazole boronic acid compound represented by the following formula I, pharmaceutically acceptable salts or stereoisomers thereof, a pharmaceutical composition containing same, and uses thereof. The compound, the pharmaceutically acceptable salts or stereoisomers thereof and the pharmaceutical composition containing same can be used for preparing proteasome inhibitors.
    Type: Application
    Filed: August 19, 2021
    Publication date: October 12, 2023
    Inventors: Runtao Li, Yuanqiang Wang, Liqiang Han, Zhuanzhuan Song, Zemei Ge, Xin Wang
  • Publication number: 20200369674
    Abstract: Disclosed are a compound represented by the general Formula (I), or a stereisomer, tautomer, derivative, prodrug or pharmaceutically acceptable salt thereof, and a method for preparing the compound and use of the compound in manufacture of a medicament for treating a neuropathic pain and/or neuropathic pain syndrome or a medicament for combating an inflammation: wherein R1 is selected from hydrogen, halogen, alkyl, cyano and haloalkyl, R2 and R3 are independently selected from hydrogen, halogen, alkyl, haloalkyl and nitro, and R1, R2 and R3 are not hydrogen at the same time; furthermore, when either R2 or R3 is nitro or halogen, the other two of R1, R2 and R3 are not hydrogen at the same time. The compound has good effects in treating a neuropathic pain and/or neuropathic pain syndrome and good effects in combating an inflammation, and has not side effects such as addiction.
    Type: Application
    Filed: December 7, 2018
    Publication date: November 26, 2020
    Applicant: LUNAN PHARMACEUTICAL GROUP CORPORATION
    Inventors: Runtao LI, Jia YE, Xin WANG, Zemei GE, Yingying LIANG, Xiaolei DU, Ding WANG, Guimin ZHANG, Jingchun YAO, Guifang ZHAO
  • Patent number: 10494384
    Abstract: The present invention provides a urea peptidomimetic boronic compound and pharmaceutical compositions thereof, their preparative methods and uses. The compounds are represented by the following formula (I).
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: December 3, 2019
    Assignees: Peking University, Zhengzhou Granlen Pharmatech. Ltd.
    Inventors: Runtao Li, Haoyun An, Liqiang Han, Zemei Ge, Jingrong Cui, Tieming Cheng
  • Publication number: 20180298036
    Abstract: The present invention provides a urea peptidomimetic boronic compound and pharmaceutical compositions thereof, their preparative methods and uses. The compounds are represented by the following formula (1).
    Type: Application
    Filed: September 22, 2016
    Publication date: October 18, 2018
    Inventors: Runtao Li, Haoyun An, Liqiang Han, Zemei Ge, Jingrong Cui, Tieming Cheng
  • Patent number: 9421237
    Abstract: The present invention discloses proteasome inhibitors of tripeptide boronic acids or boronic esters represented by Formula (I), preparative method and use thereof. The proteasome inhibitors are therapeutical agents for treating malignant tumor, various nervous system degenerative diseases, muscle cachexia or diabetes, wherein the malignant tumor is leukemia, gastric cancer, hepatocarcinoma or nasopharyngeal carcinoma.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: August 23, 2016
    Assignee: PEKING UNIVERSITY
    Inventors: Runtao Li, Jingrong Cui, Yongqiang Zhu, Shuyang Yao, Zemei Ge, Tieming Cheng
  • Patent number: 9133195
    Abstract: Compounds represented by general formula (I), their stereoisomers, tautomers, derivatives, prodrugs or pharmaceutically acceptable salts, and their preparation methods or uses for the manufacture of a medicament of analgesics. In which R1 is selected from H, substituted or unsubstituted phenyl, or substituted or unsubstituted heteroaryl; A is bond, or saturated or unsaturated straight-chain or branched-chain hydrocarbon radical; R2, R3 are each independently hydrogen or methyl, which linked with any position of spirocyclo-structure; n and m are each independently integer between 0-2, do not represent 0 at the same time; B and D are each independently C1-C3 straight-chain or branched-chain alkylene; Y is selected from —CHR4—, O, S, —S(O)—, —SO2—, —NR4— and substituted or unsubstituted phenylene, in which R4 represents H, C1-C6 saturated or unsaturated alkyl, methyl or ethyl substituted by substituted or unsubstituted aryl or heteroaryl; and X? is pharmaceutical acceptable organic or inorganic anion.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: September 15, 2015
    Assignee: Peking University
    Inventors: Runtao Li, Qi Sun, Jia Ye, Caiqin Yue, Xin Wang, Zemei Ge, Changling Li, Tieming Cheng
  • Publication number: 20130136794
    Abstract: Heteroaryl(alkyl)dithiocarbamate compounds represented by general formula (I) or their pharmaceutically acceptable salts, their preparing methods, and their uses for preparing antitumor medicines are disclosed, wherein each said substituent is defined as in the description. The compounds are new tyrosine kinase inhibitors useful as an anti-tumor agents, preferably useful in the preparation of medicines for treating breast cancer, liver cancer, non-small cell lung cancer, gastric cancer, colon cancer, leukaemia or nasal cancer.
    Type: Application
    Filed: April 21, 2011
    Publication date: May 30, 2013
    Applicant: PEKING UNIVERSITY
    Inventors: Runtao Li, Zemei Ge, Jingrong Cui, Xingyl Sun, Zhongqing Wang, Xu Yan
  • Publication number: 20120135921
    Abstract: The present invention discloses proteasome inhibitors of tripeptide boronic acids or boronic esters represented by Formula (I), preparative method and use thereof. The proteasome inhibitors are therapeutical agents for treating malignant tumor, various nervous system degenerative diseases, muscle cachexia or diabetes, wherein the malignant tumor is leukemia, gastric cancer, hepatocarcinoma or nasopharyngeal carcinoma.
    Type: Application
    Filed: May 17, 2010
    Publication date: May 31, 2012
    Inventors: Runtao Li, Jingrong Cui, Yongqiang Zhu, Shuyang Yao, Zemei Ge, Tieming Cheng
  • Publication number: 20090325929
    Abstract: Compounds represented by general formula (I), their stereoisomers, tautomers, derivatives, prodrugs or pharmaceutically acceptable salts, and their preparation methods or uses for the manufacture of a medicament of analgesics. In which R1 is selected from H, substituted or unsubstituted phenyl, or substituted or unsubstituted heteroaryl; A is bond, or saturated or unsaturated straight-chain or branched-chain hydrocarbon radical; R2, R3 are each independently hydrogen or methyl, which linked with any position of spirocyclo-structure; n and m are each independently integer between 0-2, do not represent 0 at the same time; B and D are each independently C1-C3 straight-chain or branched-chain alkylene; Y is selected from —CHR4—, O, S, —S(O)—, —SO2—, —NR4— and substituted or unsubstituted phenylene, in which R4 represents H, C1-C6 saturated or unsaturated alkyl, methyl or ethyl substituted by substituted or unsubstituted aryl or heteroaryl; and X? is pharmaceutical acceptable organic or inorganic anion.
    Type: Application
    Filed: June 15, 2007
    Publication date: December 31, 2009
    Inventors: Runtao Li, Qi Sun, Jia Ye, Caiqin Yue, Xin Wang, Zemei Ge, Changling Li, Tieming Cheng