Terminal Alkynes as One‐Carbon Donors in [5+1] Heteroannulation: Synthesis of Pyridines via Ynimine Intermediates and Application in the Total Synthesis of Anibamine B
作者:Rémi Lavernhe、Qian Wang、Jieping Zhu
DOI:10.1002/anie.202303537
日期:——
accessible β,γ-unsaturated oxime esters and terminal alkynes with complete regiochemical control and excellent functional-group compatibility. The first total synthesis of the indolizinium alkaloid anibamine B was accomplished featuring this novel pyridine synthesis as a key step.
二到五取代的吡啶是在一次操作中从易于获得的 β,γ-不饱和肟酯和末端炔烃合成的,具有完全的区域化学控制和优异的官能团相容性。以这种新型吡啶合成为关键步骤,完成了吲哚嗪生物碱 anibamine B 的首次全合成。