Enantioselective Synthesis of Homochiral Hierarchical Nd8Fe3-Oxo Cluster from Racemic Nd9Fe2-Oxo Cluster
Ying Lu,
Xiu-Xia Ding,
Ju-Suo Zhong
et al.
Abstract:Enantioselective synthesis of homochiral rare earth clusters is still a great challenge. In this work, we developed an efficient "cluster to cluster" approach, that is, a pair of enantiomerical R/S-{Nd 8 Fe 3 }-oxo clusters were successfully obtained from the presynthesized racemic {Nd 9 Fe 2 }-oxo cluster. R/S-hydrobenzoin ligands trigger the transformation of the pristine clusters by an SN 2 -like mechanism. Compared to the pristine cluster with an achiral core, the new cluster exhibits hierarchical chiralit… Show more
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