Chiral Cp<sup><i>x</i></sup>Rh<sup>III</sup>-catalyzed enantioselective C–H annulation to access fused tricyclic sulfur-stereogenic and medium-sized aza-heterocycles
Yuping Xiong, Muhammad Suleman, Shujuan Xu, Zhiyuan Chen
Abstract
Chiral Cp x Rh-catalyzed enantioselective sp 2 C–H bond activation/annulation reactions give S-stereogenic poly-heterocyclic sulfoximines in up to 99% ee. The tricyclic products can be converted into 10-membered S-stereogenic products upon oxidation.
Topics & Concepts
StereocenterEnantioselective synthesisChemistryTricyclicAnnulationCatalysisSulfurStereochemistryMedicinal chemistryCombinatorial chemistryOrganic chemistryCatalytic C–H Functionalization MethodsCyclopropane Reaction MechanismsSynthesis and Catalytic Reactions