Patents by Inventor Qiuying Pang

Qiuying Pang 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).

  • Derivate, preparation method and use of 10-methoxycamptothecin
    Patent number: 9034894
    Abstract: Provided is a 10-methoxycamptothecine derivate of formula (1), wherein R is selected from hydrogen, C1-6 alkyl, C1-6 haloalkyl, aryl substituted C1-6 alkyl, phosphate substituted C1-6 alkyl, amino-substituted C1-6 alkyl, carboxyl substituted C1-6 alkyl, hydroxyl substituted C1-6 alkyl, and amide-substituted C1-6 alkyl; R1 is selected from hydrogen and t-butoxycarbonyl substituted amino. Also provided in the present invention are the preparation method of the derivate and the use thereof in anti-tumor drug preparation.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: May 19, 2015
    Assignee: NORTHEAST FORESTRY UNIVERSITY
    Inventors: Yang Wang, Xiufeng Yan, Lijia Jing, Weimin Ding, Jian Zheng, Qiuying Pang, Tao Yu
  • DERIVATE, PREPARATION METHOD AND USE OF 10-METHOXYCAMPTOTHECINE
    Publication number: 20140194458
    Abstract: Provided is a 10-methoxycamptothecine derivate of formula (1), wherein R is selected from hydrogen, C1-6 alkyl, C1-6 haloalkyl, aryl substituted C1-6 alkyl, phosphate substituted C1-6 alkyl, amino-substituted C1-6 alkyl, carboxyl substituted C1-6 alkyl, hydroxyl substituted C1-6 alkyl, and amide- substituted C1-6 alkyl; R1 is selected from hydrogen and t-butoxycarbonyl substituted amino. Also provided in the present invention are the preparation method of the derivate and the use thereof in anti-tumor drug preparation.
    Type: Application
    Filed: June 15, 2012
    Publication date: July 10, 2014
    Applicant: Northeast Forestry University
    Inventors: Yang Wang, Xiufeng Yan, Lijia Jing, Weimin Ding, Jian Zheng, Qiuying Pang, Tao Yu