Patents Assigned to Zhe Jiang Cell Biomedical Research Co., Ltd.
  • Process for preparing erianin
    Patent number: 7897820
    Abstract: A process for preparing Erianin (Dihydro Combretastation A-4), wherein 3,4,5-trimethoxy benzaldehyde is converted to phosphonium salt or phosphonate ester or the likes thereof, then reacted with isovanillin (3-hydroxyl-4-methoxyl benzaldehyde) including a protected hydroxyl in the 3-position, followed by hydrogenation and deprotection.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: March 1, 2011
    Assignee: Zhe Jiang Cell Biomedical Research Co., Ltd.
    Inventors: Yiping Li, Shuangxi Liu