A Tandem 1,3-H-Shift–6π-Electrocyclization–Cyclic 2-Amido-diene Intramolecular Diels–Alder Cycloaddition Approach to BCD-Ring of Atropurpuran
作者:Ryuji Hayashi、Zhi-Xiong Ma、Richard P. Hsung
DOI:10.1021/ol203030a
日期:2012.1.6
An approach toward the BCD-ring of atropurpuran via a sequence of allenic 1,3-H shift, 6π-electron pericyclic ring closure, and intramolecularDiels–Aldercycloaddition of cyclic 2-amidodiene is described.