Investigating Biogenetic Hypotheses of the <i>Securinega</i> Alkaloids: Enantioselective Total Syntheses of Secu’amamine E/<i>ent</i>-Virosine A and Bubbialine
作者:Robin Wehlauch、Simone M. Grendelmeier、Hideki Miyatake-Ondozabal、Alexander H. Sandtorv、Manuel Scherer、Karl Gademann
DOI:10.1021/acs.orglett.6b03716
日期:2017.2.3
The synthesis of the Securinega alkaloid secu’amamine E (ent-virosine A) has been accomplished for the first time in 12 steps and 8.5% overall yield. In addition, bubbialine has been prepared and characterized. These two alkaloids and bubbialidine, all featuring an azabicyclo[2.2.2]octane core, were rearranged to their azabicyclo[3.2.1]octane congeners, a framework found in many Securinega alkaloids
合成的叶底生物碱secu'amamine E(ENT -virosine A)已经完成了在12步和8.5%总产率的第一次。另外,已经制备和表征了布比林。这两个生物碱和布比阿丁啶均具有氮杂双环[2.2.2]辛烷核心,它们被重排为它们的氮杂双环[3.2.1]辛烷同类物,这是在许多Securinega生物碱中发现的骨架。这些实验表明,氮杂双环[2.2.2]辛烷衍生物可作为重排氮杂双环[3.2.1]辛烷产物生物合成的中间体。