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A new pyridyloxycyclophosphazene, called 2, 2′-bis [2-oxy-6-methyl-pyridine]-4, 4, 6, 6-bis [spiro (2′, 2 ″-dioxy-1, 1′-biphenyl)] cyclotriphosphazane (BB-CP) has been synthesized from the reaction of 2, 2-dichloro-4, 4, 6, 6-bis [spiro (2′, 2 ″-dioxybiphenyl)] cyclotriphosphazane (2Cl-CP) and 2-hydroxy-6-methylpyridine (HMP). The Cu (I) complex of this ligand has been prepared. The new ligand and Cu (I) complex were characterized by FT-IR, 1 H NMR, 31 P NMR, UV-vis, mass spectra, elemental and thermal analyses.