申请人:Zhou Dahui
公开号:US20060089405A1
公开(公告)日:2006-04-27
This invention concerns a process for the preparation of benzofuran derivatives. In some aspects, these compounds are of formula I:
wherein each of R
1
, R
2
, R
3
, and R
4
is as defined herein.
这项发明涉及一种制备苯并呋喃衍生物的方法。在某些方面,这些化合物的化学式为I:其中R1、R2、R3和R4中的每一个如本文所定义。