The aza‐Piancatelli cyclization provides a rapid and practical route to densely functionalized 4‐aminocyclopentenones from biomass‐derived 2‐furylcarbinols. Through a better understanding of the scope and limitations of this reaction, a 3‐step synthesis of bruceolline D was achieved.
Unprecedented total synthesis of bruceolline D, E, and H
作者:Dnyaneshwar Gaikwad
DOI:10.1080/00397911.2020.1795199
日期:2020.10.17
employed to obtain 3-prenylated indoles. The resulting indoles on the consecutive sequence of epoxidation, cyclization and further oxidation afforded short, protecting group free total synthesis of bruceolline D, E and H. Graphical Abstract
摘要 Wittig 烯化-克莱森重排的单锅策略已被用于获得3-异戊二烯化吲哚。在环氧化、环化和进一步氧化的连续序列上产生的吲哚提供了短的、无保护基团的布鲁氏碱 D、E 和 H 的全合成。