Figure 1. Synthesis of complexes in study.
Reagents and conditions: a2-EtOC2H4OH/H2O (8:1 v/v), 110 °C, N2, 19 h. bi. CH2Cl2/MeOH (1:1 v/v), 55 °C, 19 h, N2; ii. Excess aq. NH4PF6.
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