Patents by Inventor Changlun SHAO

Changlun SHAO 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: 11851409
    Abstract: The present invention discloses deuterated benzylaminopyrimidinedione derivatives, the use thereof and the pharmaceutical composition containing the same. They may be used for suppressing the activities of myosin. The present invention also relates to the method of preparing this type of compounds and the pharmaceutical composition, and their use in treatment of hypertrophic cardiomyopathy and related heart diseases.
    Type: Grant
    Filed: January 19, 2020
    Date of Patent: December 26, 2023
    Assignee: QINGDAO JIÃO PHARMACEUTICAL TECHNOLOGY CO., LTD
    Inventor: Changlun Shao
  • Publication number: 20220089551
    Abstract: The present invention discloses deuterated benzylaminopyrimidinedione derivatives, the use thereof and the pharmaceutical composition containing the same. They may be used for suppressing the activities of myosin. The present invention also relates to the method of preparing this type of compounds and the pharmaceutical composition, and their use in treatment of hypertrophic cardiomyopathy and related heart diseases.
    Type: Application
    Filed: January 19, 2020
    Publication date: March 24, 2022
    Inventor: Changlun Shao
  • Publication number: 20220064138
    Abstract: The present disclosure relates to the field of medicinal chemistry, and specifically to the use in the inhibition of tumor proliferation activity of ester derivatives of brefeldin A represented by Formula (I). The new compounds provided herein are prominent in the prevention or treatment of hyperproliferative diseases, including liver cancer, leukemia, breast cancer, colon adenocarcinoma, gastric cancer, lung cancer, Bart's esophageal cancer, cervical cancer, pancreatic cancer, endometrial cancer, bone cancer, lymphoma, kidney cancer, brain cancer, nerve cancer, nasopharyngeal cancer, oral cancer and colorectal cancer, and have the potential to be developed as novel antitumor agents.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Inventors: Changlun SHAO, Yaoyao JIANG, Ming LIU, Changyun WANG, Meiyan WEI, Cuifang WANG
  • Publication number: 20220031783
    Abstract: Provided are a phenylethanoid glycoside extract from the plant A. ilicifolius L., a preparation method thereof, and its use as an anti-liver injury medicament. The preparation method of the phenylethanoid glycoside extract comprises following steps: pulverizing dried whole plant Acanthus ilicifolius L. and passing through 20-30 mesh sieve to obtain Acanthus ilicifolius L. powder, adding 50%-95% ethanol solution whose mass is 8-20 times of the powder, soaking and extracting under reflux, filtering and collecting extract of the powder, and extracting a filter residue under reflux with 50%-95% ethanol solution whose mass is 8-10 times of the filter residue and collecting extract of the filter residue, combining, concentrating and subjecting to macroporous resin column chromatography, eluting successively by 10%, 30% and 50% ethanol solutions for four column volumes, respectively, collecting fraction eluted by the 50% ethanol solution and drying to obtain the phenylethanoid glycoside extract.
    Type: Application
    Filed: September 27, 2021
    Publication date: February 3, 2022
    Inventors: Changyun WANG, Changlun SHAO, Mengqi ZHANG, Hong BAI, Xia REN, Shijun YUE, Lanting XIN, Qing ZHAO
  • Publication number: 20210403458
    Abstract: The present disclosure relates to the field of medicinal chemistry, and specifically to brefeldin A derivatives represent by Formula (I) and its use in the inhibition of tumor proliferation activity. The new compounds provided herein are prominent in the prevention or treatment of hyperproliferative diseases, including liver cancer, leukemia, breast cancer, colon adenocarcinoma, lung cancer, Bart's esophageal cancer, gastric cancer, cervical cancer, pancreatic cancer, kidney cancer, endometrial cancer, nasopharyngeal cancer, bone cancer, lymphoma, brain cancer, nerve cancer, oral cancer and colorectal cancer, and have the potential to be developed as novel antitumor agents.
    Type: Application
    Filed: September 7, 2021
    Publication date: December 30, 2021
    Inventors: Changlun SHAO, Changyun WANG, Yaoyao JIANG
  • Patent number: 11040028
    Abstract: Provided are penicinotam derivatives, a tautomer, a stereoisomer, a racemate, a nonequal mixture of enantiomers, a geometric isomer, a solvate, a pharmaceutically acceptable salt or a prodrug thereof, and a pharmaceutical composition comprising the derivatives. Also provided herein is use of the derivatives and the pharmaceutical compositions in treating diseases caused by inflammation, immune system disorders.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: June 22, 2021
    Assignee: OCEAN UNIVERSITY OF CHINA
    Inventors: Changlun Shao, Meiyan Wei, Yaoyao Jiang
  • Patent number: 10993938
    Abstract: Provided is a lactam compound, a tautomer, a stereoisomer, a racemate, a nonequal mixture of enantiomers, a geometric isomer, a solvate, a pharmaceutically acceptable salt thereof, or a solvate of the salt of the compound, and a pharmaceutical composition containing the compound. Also provided are the use of such compounds and their pharmaceutical compositions as drugs, especially as antiviral drugs.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: May 4, 2021
    Assignee: OCEAN UNIVERSITY OF CHINA
    Inventors: Changlun Shao, Changyun Wang, Xiaofeng Mou, Rufang Xu
  • Publication number: 20210008045
    Abstract: Provided are penicinotam derivatives, a tautomer, a stereoisomer, a racemate, a nonequal mixture of enantiomers, a geometric isomer, a solvate, a pharmaceutically acceptable salt or a prodrug thereof, and a pharmaceutical composition comprising the derivatives. Also provided herein is use of the derivatives and the pharmaceutical compositions in treating diseases caused by inflammation, immune system disorders.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 14, 2021
    Inventors: Changlun SHAO, Meiyan WEI, Yaoyao JIANG
  • Patent number: 10639303
    Abstract: The present invention provides alkaloids with formula I, II, III, IV, or V and their pharmaceutically acceptable salts, their preparation and their uses as antivirus drugs, for example, for treatment of HSV-1 infection. The alkaloids with formula I were isolated from the fermentation of marine fungus Scopulariopsis sp. (TA01-33) by means of column chromatography, such as positive phase silica gel column chromatography, etc. Alkaloids with formula II, III, IV and V were semisynthesized from compounds with formula I.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: May 5, 2020
    Assignee: OCEAN UNIVERSITY OF CHINA
    Inventors: Changlun Shao, Changyun Wang, Xiaofeng Mu, Rufang Xu
  • Patent number: 10568877
    Abstract: Provided herein are quinolinone derivatives and their uses as antiviral drugs, for example, for treatment of HSV-1 infection. Also provided herein are pharmaceutically acceptable compositions comprising the quinolinone derivatives and the uses of the composition in the treatment of diseases caused by HSV-1 virus.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: February 25, 2020
    Assignee: OCEAN UNIVERSITY OF CHINA
    Inventors: Changlun Shao, Changyun Wang, Rufang Xu, Feifei Guan, Meiyan Wei
  • Publication number: 20200030312
    Abstract: Provided is a lactam compound, a tautomer, a stereoisomer, a racemate, a nonequal mixture of enantiomers, a geometric isomer, a solvate, a pharmaceutically acceptable salt thereof, or a solvate of the salt of the compound, and a pharmaceutical composition containing the compound. Also provided are the use of such compounds and their pharmaceutical compositions as drugs, especially as antiviral drugs.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 30, 2020
    Inventors: Changlun SHAO, Changyun WANG, Xiaofeng MOU, Rufang XU
  • Publication number: 20180028523
    Abstract: The present invention provides alkaloids with formula I, II, III, IV, or V and their pharmaceutically acceptable salts, their preparation and their uses as antivirus drugs, for example, for treatment of HSV-1 infection. The alkaloids with formula I were isolated from the fermentation of marine fungus Scopulariopsis sp.(TA01-33) by means of column chromatography, such as positive phase silica gel column chromatography, etc. Alkaloids with formula II, III, IV and V were semisynthesized from compounds with formula I.
    Type: Application
    Filed: October 2, 2017
    Publication date: February 1, 2018
    Inventors: Changlun SHAO, Changyun WANG, Xiaofeng MU, Rufang XU
  • Publication number: 20180028524
    Abstract: Provided herein are quinolinone derivatives and their uses as antiviral drugs, for example, for treatment of HSV-1 infection. Also provided herein are pharmaceutically acceptable compositions comprising the quinolinone derivatives and the uses of the composition in the treatment of diseases caused by HSV-1 virus.
    Type: Application
    Filed: October 2, 2017
    Publication date: February 1, 2018
    Inventors: Changlun SHAO, Changyun WANG, Rufang XU, Feifei GUAN, Meiyan WEI