Halohydroxylation of alkenyl MIDA boronates: switchable stereoselectivity induced by B(MIDA) substituent
作者:Yao-Fu Zeng、Xu-Ge Liu、Dong-Hang Tan、Wen-Xin Fan、Yi-Na Li、Yu Guo、Honggen Wang
DOI:10.1039/d0cc00722f
日期:——
The synthesis of α-boryl halohydrins via difunctionalization of alkenyl MIDAboronates has been reported. Intriguing stereoselectivity was found with different halogen sources, which arises from the special stabilizing effect of the B(MIDA) moiety. The transformation provided cis addition products using Cl+ or Br+ as the halogen source, while trans addition products were obtained when I+ was employed