The title reaction using dicyclohexylcarbodiimide (DCC) gave stereospecifically the corresponding olefins in good yields via tetracoordinate 1,2-oxaphosphetanes. Use of more than one equivalent of DCC afforded better yields of the olefin.
使用二环己基碳二
亚胺(
DCC)作为标题反应剂,通过四配位1,2-氧膦杂
环戊烷的途径,可以立体专一性地以良好产率得到相应的烯烃。采用超过一个当量的
DCC有助于提高烯烃的产率。