Patents Assigned to Sichuan Dikang Sci-Tech Pharmaceutical Co., Ltd.
  • Isoflavone derivatives of tectorigenin, the preparation thereof and the antiviral medicine containing the same as an effective constituent
    Patent number: 7902253
    Abstract: An isoflavone derivative of tectorigenin compound as shown in formula (II), its preparation method and the antiviral medicine containing it as an effective constituent. The compound structure is shown as follows: Where:: R1 is H, NH2 or SO3M; R2 is OR?; R3 is H or —CH2NR?; where R? is H, —CH2COONa or —CH2CH2NMe2; NR? is or —NMe2; M is H, Na, K or N+H (CH2CH2OH)3.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: March 8, 2011
    Assignees: Chengdu Dikang Pharmaceutical Institute, Sichuan Dikang Sci-Tech Pharmaceutical Co., Ltd.
    Inventors: Xuemin Xu, Chongjun Yuan, Jia Wang, Shangbin Qi, Hai Yin, Yanming Zeng
  • Isoflavone derivatives of tectoridin, the preparation thereof and the anti-virus medicines containing the same as an effective constituents
    Publication number: 20070123566
    Abstract: An isoflavone derivative of tectorigenin compound as shown in formula (II), its preparation method and the antiviral medicine containing it as an effective constituent. The compound structure is shown as follows: Where:: R1 is H, NH2 or SO3M; R2 is OR?; R3 is H or —CH2NR?; where R? is H, —CH2COONa or —CH2CH2NMe2; NR? is or —NMe2; M is H, Na, K or N+H (CH2CH2OH)3.
    Type: Application
    Filed: May 14, 2004
    Publication date: May 31, 2007
    Applicants: CHENGDU DIKANG PHARMACEUTICAL INSTITUTE, SICHUAN DIKANG SCI-TECH PHARMACEUTICAL CO., LTD.
    Inventors: Xuemin Xu, Chongjun Yuan, Jia Wang, Shangbin Oi, Hai Yin, Yanming Zeng