and quinolinocarbazole alkaloids have been synthesized via a unified strategy. The prominent key step involved a Diels–Alder intramolecular cyclization/dehydro-aromatization sequence. From these carbazole-lactam cores, linear syntheses have been developed for ellipticines and calothrixin B.
吡啶和
喹啉咔唑生物碱的四环和五环骨架已通过统一策略合成。突出的关键步骤涉及Diels-Alder分子内环化/脱氢芳香化序列。从这些
咔唑-内酰胺核中,已开发出
玫瑰树碱和杯速霉素B的线性合成方法。