作者:John H. Cassidy、Christopher N. Farthing、Stephen P. Marsden、Anders Pedersen、Mark Slater、Geoffrey Stemp
DOI:10.1039/b612256f
日期:——
A concise and convergent eight-step synthesis of the antifungal metabolite monocerin 1 is reported. The key step involves an allylsilane metathesis/aldehyde condensation sequence to establish the core 2,3,5-trisubstituted tetrahydrofuran. End-game approaches based around intramolecular Heck chemistry revealed an interesting example of formal 6-endo cyclisation, the origin of which was probed using
简明扼要的八步合成抗真菌代谢产物monocerin 1。关键步骤涉及烯丙基硅烷的复分解/醛缩合序列,以建立核心的2,3,5-三取代四氢呋喃。基于分子内Heck化学的末端实验方法揭示了一个有趣的例子,即正式的6-内环化,使用模型底物探测了其起源。最终通过涉及C3-乙烯基取代基的逐步氧化裂解的策略最终完成了合成。