Stereoconvergent route to chiral cyclohexenone building blocks: formal synthesis of (−)-dysidiolide
作者:Gamal A. I. Moustafa、Yasumasa Kamada、Tetsuaki Tanaka、Takehiko Yoshimitsu
DOI:10.1039/c2ob26532j
日期:——
carbocycles through a combination of regioselective catalytic asymmetric reduction and alkylative remote stereoinduction. The present stereoconvergent strategy has allowed the formal synthesis of bioactive (−)-dysidiolide.
据报道立体聚合接近手性碳环结构单元。由四个立体异构体(即外消旋体ca)组成的6-(3'-羟基-4'-甲基戊-4'-烯基)-3-甲氧基环己-2-烯酮(1)。通过区域选择性催化不对称还原和烷基化远程立体诱导的组合,将1:1非对映异构体转化为对映体纯的碳环。当前的立体收敛策略已经允许生物活性的(-)-二氢化茚化物的正式合成。