two types of aryl(gem-dihalocyclopropyl)methanols (ADCM) gave α- and β-halonaphthalenes in good yields with excellent selectivity. With the new method used as the key step, the two title natural lignan lactones were synthesized in seven steps.
对两种类型的芳基(宝石-二卤代环丙基)
甲醇(ADCM)进行酸处理,可得到高收率的α-和β-卤代
萘,且具有出色的选择性。以新方法为关键步骤,分七个步骤合成了两种标题天然
木脂素内酯。