Naphthoquinone (14) reacted with the o-quinodimethanes, which were generated from the benzocyclobutenes (9, 10 and 11), o-xylyl dibromide (12) and N-aminodihydroisoindole (13), to give the naphthacene-5, 12-quinones (15, 16, 17 and 18), respectively.
萘醌(14)与由
苯并环丁烯(9、10 和 11)、邻氧基二
溴乙烯(12)和 N-
氨基二氢异
吲哚(13)生成的邻醌二
甲烷反应,分别得到
萘并烯-5、12-醌(15、16、17 和 18)。