The 2.2.2-cryptand ligand(crypt)that is heavily used in reductions of rare-earth metal complexes to encapsulate alkali metals has been found to function as a bidentate ligand to rare-earth metal ions in some cases.
基金the U.S.National Science Foundation for support of this research under CHE-1855328.We also thank Chen Sun for assistance with X-ray crystallography and David H.Woen for sample preparation.
文摘The 2.2.2-cryptand ligand(crypt)that is heavily used in reductions of rare-earth metal complexes to encapsulate alkali metals has been found to function as a bidentate ligand to rare-earth metal ions in some cases.