斯德哥尔摩大学Kalman J. Szabo等报道了通过CF3/TMS-二重氮甲烷/BINOL/乙醇体系对烯基硼进行不对称合成手性结构α-修饰CF3的烯丙基硼酸。该反应过程中,手性α-修饰烯丙基硼酸和醛进行反应,或者in situ通过手性传递过程氧化为醇。对氧气敏感的烯丙基硼酸通过二氨基萘(DanH)保护得到的衍生物分离提纯。
参考文献
Sybrand J. T. Jonker, Ramasamy Jayarajan, Tautvydas Kireilis, Marie Deliaval, Lars Eriksson, and Kalman J. Szabo*, Organocatalytic Synthesis of α‑Trifluoromethyl Allylboronic Acids by Enantioselective 1,2-Borotropic Migration, J. Am. Chem. Soc. 2020
DOI: 10.1021/jacs.0c09923
https://pubs.acs.org/doi/pdf/10.1021/jacs.0c09923