Synthesis of the Griseusin B Framework via a One-Pot Annulation–Methylation–Double Deprotection–Spirocyclization Sequence
作者:Briar J. Naysmith、Margaret A. Brimble
DOI:10.1021/ol400686f
日期:2013.4.19
A highly convergent synthesis of the griseusin B scaffold is described. The key step involves an efficient one-pot Hauser–Kraus annulation–methylation–double deprotection–spirocyclization sequence that directly affords the target parent tetracyclic ring system.
描述了灰黄霉素B支架的高度收敛的合成。关键步骤涉及有效的一锅式Hauser-Kraus环化-甲基化-双重脱保护-螺环化序列,该序列直接提供了目标母体四环系统。