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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Nat Chem. 2013 Mar 3;5(4):293–299. doi: 10.1038/nchem.1578

Figure 2.

Figure 2

Synthesis of tetrametallic trimanganese dioxido complexes. Reduced precursor LMn3(OAc)3 was oxidized in the presence of metal triflate salts to form [LMn3MO2(OAc)2] compounds (M = Na, Ca, Sr, Y). Complex [1-Ca(DME)(OTf)]2+ (1 = LMnIVMnIII2O2(OAc)2) undergoes reversible chemical reduction, substitution of Zn2+ for Ca2+, or exchange of the DME ligand for coordinated water molecules.