MaterialsThe reagents used, methanesulfonic acid, HBF4· O(C2H5)2,triethylammonium hydrochloride, and organic solvents wereobtained commercially (SAF). The oximehydrazonate bis-clathrochelates [(Fe(DXO)3(CH2)3)2(B(CH2)3B)](BF4)2and[(Fe(DXO)3(HCOC2H5)3)2(B(CH2)3B)](BF4)2were obtained