6-Bromo-1,4',9,9'-tetramethoxy-3-methylspiro[6,7-dihydrocyclopenta[g]isoquinoline-8,2'-cyclopenta[b]naphthalene]-1',3'-dione 在
三苯基氢化锡 作用下,
反应 2.0h,
生成 1,4',9,9'-Tetramethoxy-3-methylspiro[6,7-dihydrocyclopenta[g]isoquinoline-8,2'-cyclopenta[b]naphthalene]-1',3'-dione