The reactions of aluminum (III) chloride or nitrate with 2- and 4-pyridylphosphonic acids under mild aqueous conditions afforded a series of alumino phosphonate cages that were characterized by sing ...

A one-step hydrothermal synthesis with small amines and 1,3,5-benzenetriphosphonic acid was used to prepare single crystals of isostructural anionic metal–organic frameworks (MOF): ...