Inorganic Rings and Polymers Acyclic and cyclic Multi-site Coordinating Ligands Tetrapyrazolylcarbaphosphazene copper Assembly Tetrapyrazolylcarbaphosphazene copper Assembly Tetranuclear Copper Assemblies Tetrapyrazolylcarbaphosphazene copper Assembly Tetrapyrazolylcarbaphosphazene copper Assembly Advanced Inorganic and organometallic Polymers: Polymer electrolytes, Polymer supported catalysts Copper metallated cyclophosphazene pendant cross-linked polymer as efficient catalysts for phosphate-ester hydrolysis Palladium metallated cyclophosphazene pendant polymers as efficient catalysts for Heck reactions New polymer precursor route for β-SiC