The polymeric complexes of porous iron phosphates (NH4)4Fe3 II(OH)2F2[H3(PO4)4] (1), (C3H12N2) FeII 6(H2O)4[B4P8O23(OH)8] (2), and {[FeII(H2PO4)2-(μ4,4'-bipy)(H2O)]·H2O·(4,4'-bipy)} (3) were successfully tested towards oxidation of cyclohex-2-enol. The resulting products have been monitored and characterized using gas chromatography/mass spectroscopy, IR spectroscopy, and elemental analysis. Structural properties of the polymeric complexes have been studied using powder X-ray diffraction and electrochemical measurements. The results indicate that these complexes display an irreversible redox process and have high thermal stability. The results also indicated that these complexes undergo a phase change as evidenced by the change of the state of oxidation of metal centres.
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