In this article,phthalimide was chosen as the start material. The 5 bromoisobenzofuran 1(3 H ) one was obtained via nitration,reduction and bromination,the overall yield was 40% and the purity of the product was 99 6%.

• 以邻苯二甲酰亚胺为起始原料 ,经硝化、还原、溴代等步骤 ,合成 5 溴异苯并呋喃 1(3H) 酮 ,总收率为 4 0%25 (以邻苯二甲酰亚胺计 ) ,纯度达 99 6%25。