Patents by Inventor Fuwen Xie

Fuwen Xie 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: 20140343064
    Abstract: The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-substituted oleanolic acid derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments.
    Type: Application
    Filed: November 30, 2012
    Publication date: November 20, 2014
    Applicant: Hanghzhou Bensheng Pharmaceutical Co., Ltd
    Inventors: Rongzhen Xu, Frank Rong, Hongxi Lai, Fuwen Xie
  • Publication number: 20140336249
    Abstract: The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-alkyl- or 2-aromatic-substituted tanshinone I derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments. When Z?R, said derivative is 2-alkyl-substituted tanshinone I; when Z?Ar, said derivative is 2-aryl-substituted tanshinone I; when Z=Het, said derivative is 2-heteroaryl- or 2-heterocyclyl-substituted tanshinone I.
    Type: Application
    Filed: November 30, 2012
    Publication date: November 13, 2014
    Inventors: Frank Rong, Rongzhen Xu, Fuwen Xie, Hongxi Lai
  • Publication number: 20140303147
    Abstract: The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and relates to novel homoharringtonine acylated derivatives of formula (I) and formula (II) and a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments.
    Type: Application
    Filed: August 20, 2012
    Publication date: October 9, 2014
    Applicant: Hangzhou Bensheng Pharmaceutical Co., Ltd.
    Inventors: Rongzhen Xu, Frank Rong, Fuwen Xie, Hongxi Lai
  • Publication number: 20140206669
    Abstract: The present invention belongs to the field of natural medicine and pharmaceutical chemistry and specifically relates to novel aminated homoharringtonine derivatives of formula (I) and a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments.
    Type: Application
    Filed: August 20, 2012
    Publication date: July 24, 2014
    Applicant: HANGZHOU BENSHENG PHARMACEUTICAL CO., LTD.
    Inventors: Frank Rong, Rongzhen Xu, Fuwen Xie, Hongxi Lai
  • Publication number: 20130178470
    Abstract: The present invention relates to a novel berbamine derivative of formula I or a pharmaceutically acceptable salt thereof, a process for preparation of the same, a pharmaceutical composition comprising said compound and its use in manufacture of an antitumor medicament.
    Type: Application
    Filed: September 9, 2011
    Publication date: July 11, 2013
    Applicant: HANGZHOU BENSHENG PHARACEUTICALS CO., LTD.
    Inventors: Rongzhen Xu, Fuwen Xie, Hongxi Lai, Frank Rong
  • Publication number: 20130158068
    Abstract: The present invention relates to a novel dicarboximide derivative of berbamine represented by formula I, including, but not limited to, a phthalimide derivative of berbamine and an aromatic heterocyclic dicarboximide derivative of berbamine, or a pharmaceutically acceptable salt thereof, to a process for preparation of the same, to a pharmaceutical composition comprising said compound and to use thereof in manufacture of an antitumor medicament.
    Type: Application
    Filed: August 25, 2011
    Publication date: June 20, 2013
    Applicant: HANGZHOU BENSHENG PHARMACEUTICAL CO., LTD.
    Inventors: Rongzhen Xu, Frank Rong, Fuwen Xie, Hongxi Lai