NHC‐Stabilized Inverse Crown Ethers Featuring the μ₄‐Oxo [Mg₄O] Core

Abstract

The Cover Feature shows a new inverse‐crown‐ether species appearing with a colorful glow. This glow features a cavity architecture and a bright encapsulated ring to construct the skeleton. The fragment of colorful light looks like the monoanionic bis‐NHC‐pincer‐type ligands and the center of ring is regarded as the core of the [Mg4OBr4] moiety. In our article, we report a tridentate aryloxide‐NHC ligand to obtain a NHC‐magnesium‐bromine adduct, which can further provide access to the inverse crown ethers featuring CNHC‐Mg‐Br moieties and μ4‐oxo [Mg4O] cores. More information can be found in the Full Paper by Y. Li, L. Shen, D. Wu and co‐workers.