Patents Assigned to Yangtze River Pharmacuetical (Group) Co., Ltd.
  • 2-Substituted phenyl-5, 7-dihydrocarbyl-3, 7-dihydropyrrolo [2, 3-D] pyrimidin-4-one derivatives, the preparation and the pharmaceutical use thereof
    Patent number: 7745433
    Abstract: The invention relates to the compounds of formula I, their preparation and the pharmaceutical compositions containing the compounds. The invention also relates to the use of the compounds of formula I in preparing medicines, which can treat sexual dysfunction of animals including human (male and female), especially erectile dysfunction of male and the diseases in which the function of phospholipase 5 (cGMP PDE5) is involved.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: June 29, 2010
    Assignees: Yangtze River Pharmacuetical (Group) Co., Ltd., Tianjin North Pharma Sci-Tech Co., Ltd.
    Inventors: Yongfeng Wang, Kejun Zhao