Patents Assigned to Ausbio Pharma Co., Ltd.
  • 1,3,5-trisubstituted-5-phenyl and 5-pyridyl pyrazolopyrimidinone derivatives having PDE7 inhibiting action
    Patent number: 7268128
    Abstract: Pyrazolopyrimidinone derivatives expressed by the following general formula (IA) or (IB): where the symbols are as disclosed in the specification, are provided as desired compounds. These compounds selectively inhibiting PDE7, thereby increasing the intracellular cAMP level and inhibiting the activation of T cells. Thus, these compounds are useful for prevention and treatment of various allergic diseases and inflammatory or immunological diseases.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: September 11, 2007
    Assignee: Ausbio Pharma Co., Ltd.
    Inventors: Hidekazu Inoue, Hidenobu Murafuji, Yasuhiro Hayashi