Sokolsky Alexander, Wang Xiaozhao, Smith Amos B
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, 19104.
Tetrahedron Lett. 2015 Jun 3;56(23):3160-3164. doi: 10.1016/j.tetlet.2014.12.026.
The synthesis of a C(1)-C(24) advanced southern hemisphere fragment towards the total synthesis of spirastrellolide E has been achieved. Highlights of the route include a highly convergent Type I Anion Relay Chemistry (ARC) tactic for fragment assembly, in conjunction with a directed, regioselective gold-catalyzed alkyne functionalization to generate the central unsaturated [6,6]-spiroketal.
已实现了朝向螺旋星衫醇E全合成的C(1)-C(24)高级南半球片段的合成。该路线的亮点包括用于片段组装的高度汇聚的I型阴离子接力化学(ARC)策略,以及导向的、区域选择性的金催化炔烃官能化反应,以生成中心不饱和[6,6]-螺缩酮。