Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53705, USA.
Org Lett. 2012 Jan 6;14(1):252-5. doi: 10.1021/ol203030a. Epub 2011 Dec 13.
An approach toward the BCD-ring of atropurpuran via a sequence of allenic 1,3-H shift, 6π-electron pericyclic ring closure, and intramolecular Diels-Alder cycloaddition of cyclic 2-amidodiene is described.
通过烯丙基 1,3-H 迁移、6π 电子周环反应和环状 2-酰胺二烯的分子内 Diels-Alder 环加成反应的序列,描述了一种接近颠茄紫质 BCD-环的方法。