A new bisbenzofuran analogue VII was achieved unexpectedly in one step procedure from 1-(4-methoxyphenoxy)acetone I by using Amberlyst 15 resin as catalyst in excellent yield. The structure was elucidated by spectroscopy analysis including 1H-NMR, 13C-NMR, DEPT, ESI-MS, element analysis.
Yu Dong SHENHai Qiang WULin Kun ANZhi Shu HUANGXian Zhang BULian Quan GU
