Scheme 1.

Syntheses of alkaline‐earth metal complexes 1‐Ae (Ae=Mg, Ca, Sr, Ba) and the EuII complex 1‐Eu with the chelating diamido ligand 1.

Syntheses of alkaline‐earth metal complexes 1‐Ae (Ae=Mg, Ca, Sr, Ba) and the EuII complex 1‐Eu with the chelating diamido ligand 1.