Total Synthesis of Several 8, 8",-Biflavones

• Lian Yun ZHAO ^a, ,
• Shi Jun DA ^a, ,
• Yu Lin LI ^a, ,
• Wen CEN ^b, ,
• Ya Cheng XING ^b,

• a National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000;

• b Department of Chemistry, Qingdao University, Qingdao 266071

• Received Date: 24 November 1997
  
• Fund Project:

  The authors thank the National Natural Science Foundation of China for financial support (No. 29472044).