Two Pd-catalyzed asymmetric [3+2] annulations are disclosed, providing a modular platform for the enantioselective synthesis of chiral thio-oxazolidinones. Preliminary mechanistic studies are performed to rationalize the observed enantio- and diastereo-controls.
公开了两种Pd催化的不对称[3+2]环化,为手性
硫代
恶唑烷酮的对映选择性合成提供了模块化平台。进行初步机制研究以使观察到的对映体和非对映体控制合理化。