Highly Enantioselective Synthesis of Phosphorus‐Containing ϵ‐Benzosultams by Bifunctional Phosphonium Salt‐Promoted Hydrophosphonylation
作者:Song Zhang、Zhenghuai Feng、Chunhui Jiang、Xiaojun Yu、Jianke Pan、Juan Du、Zhiyu Jiang、Yuan Chen、Tianli Wang
DOI:10.1002/chem.202101038
日期:2021.8.5
with diverse biological activities. A series of chiral ϵ-benzosultams bearing phosphorus functionalities was synthesized by catalytic asymmetric hydrophosphonylation in the presence of a bifunctional phosphonium salt catalyst. The desired hydrophosphonylation products were obtained in good yields with high enantioselectivities, and scale-up reactions and further derivations were successfully accomplished
ϵ-Benzosultam 衍生物是具有多种生物活性的潜在候选药物。在双功能鏻盐催化剂存在下,通过催化不对称氢膦酰化反应合成了一系列带有磷官能团的手性 ϵ-benzosultams。以良好的收率和高对映选择性获得了所需的氢膦酰化产物,并且成功地完成了放大反应和进一步的衍生。还进行了一些对照实验以阐明这种化学转化的合理反应机制。