作者:Liu, Jiamin、Wei, Xingfu、Wang, Yue、Qu, Jingping、Wang, Baomin
DOI:10.1039/d4ob00514g
日期:——
chiral arylpyrazoles using 5-aminopyrazoles and naphthoquinone derivatives. The chiral axis could be formed through a central-to-axial chirality relay step of the chiral phosphoric acid-catalyzed arylation reaction, which features excellent yields and enantioselectivities with a broad substrate scope under mild reaction conditions.
由于含有五元杂环的联芳基结构的旋转势垒相对较低,轴向手性芳基吡唑的构建是一个有吸引力的挑战。这项工作描述了使用 5-氨基吡唑和萘醌衍生物催化不对称构建轴向手性芳基吡唑。手性轴可以通过手性磷酸催化芳基化反应的中心到轴手性中继步骤形成,该反应在温和的反应条件下具有优异的产率和对映选择性,底物范围广泛。