作者:Oleksandr Zhurakovskyi、Yunus E. Türkmen、Lorenz E. Löffler、Vijayalakshmi A. Moorthie、C. Chun Chen、Michael A. Shaw、Mark R. Crimmin、Marco Ferrara、Mushtaq Ahmad、Mehrnoosh Ostovar、Johnathan V. Matlock、Varinder K. Aggarwal
DOI:10.1002/anie.201712065
日期:2018.1.26
A convergent, nine-step (LLS), enantioselective synthesis of α-cyclopiazonic acid and related natural products is reported. The route features a) an enantioselective aziridination of an imine with a chiral sulfur ylide; b) a bioinspired (3+2)-cycloaddition of the aziridine onto an alkene; and c) installation of the acetyltetramic acid by an unprecedented tandem carbonylative lactamization/N-O cleavage
据报道,α-环吡嗪酸及其相关天然产物的聚合,九步(LLS)对映选择性合成。该路线的特征是:a)亚胺与手性硫叶立德的对映选择性叠氮化;b)将氮丙啶生物启发(3 + 2)-环加成到烯烃上;c)通过空前的串联式羰基内酰胺化/溴异恶唑的NO裂解来安装乙酰基四酸。