Mercury(II)-Catalyzed Regioselective
Addition Reaction of Monoesters of Phosphonic Acid to Terminal Alkynes:
Synthesis of Vinyl Phosphonates
Aiyun
Peng, Yixiang
Ding*
Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin
Lu, Shanghai 200032, China e-Mail: dingyx@pub.sioc.ac.cn;
Received
19 September 2002
Abstract
Vinyl phosphonates 3a-l were prepared by the regioselective addition
reaction of monoesters of phosphonic acid to alkynes in the presence
of Hg(OAc)2/BF3·OEt2.