Construction of Quaternary Carbon Stereocenter of α-Tertiary Amine through Remote C–H Functionalization of Tris Derivatives: Enantioselective Total Synthesis of Myriocin
作者:Takashi Miyagawa、Shinsuke Inuki、Shinya Oishi、Hiroaki Ohno
DOI:10.1021/acs.orglett.9b01778
日期:2019.7.19
for the construction of the quaternary carbon stereocenter of α-tertiary amines. This strategy highlights a site-selective C–H functionalization involving an alkoxy-radical-triggered 1,5-hydrogen transfer (1,5-HAT) reaction of a conformationally fixed spiro-compound derived from trishydroxymethylaminomethane (Tris). The utilization of this strategy enabled an enantioselective total synthesis of myriocin
我们描述了构建α-叔胺季碳立体中心的策略的发展。此策略突出显示了一个位点选择性C–H功能化,涉及衍生自三羟甲基氨基甲烷(Tris)的构象固定螺化合物的烷氧基自由基触发的1,5-氢转移(1,5-HAT)反应。该策略的利用使对霉素的对映选择性全合成成为可能,它是天然存在的鞘氨醇类似物,具有强大的免疫抑制活性。