m-Carboranylphosphinate as Versatile Building Blocks To Design all Inorganic Coordination Polymers

Abstract

The first examples of coordination polymers of manganese(II) and a nickel(II) complex with a purely inorganic carboranylphosphinate ligand are reported, together with its exhaustive characterization. X-ray analysis revealed 1D polymeric chains with carboranylphosphinate ligands bridging two manganese(II) centers. The reactivity of polymer 1 with water and Lewis bases has also been studied.

Phosphinic Acid Based Linkers: Building Blocks in Metal–Organic Framework Chemistry

“…[12] One possible strategy for the preparation of water-stable MOFs is to use linker groups that form very strong bonds with tri-and tetravalent cations.I nt his context, linkers based on diaryl or dialkylphosphinates (with the general formula R 2 POOH) show promise as they can form coordination architectures similar to those of carboxylates,and yet do so,in accordance with hard and soft acid and base (HSAB) theory, with stronger bonds to hard metals like Fe III and Zr IV .Perhaps then surprisingly,p hosphinates have obtained much less attention for the preparation of coordination polymers, [13] especially in comparison with carboxylic acid based linkers. [2] Until now only monophosphinic acids, [14][15][16] bisphosphinic acids with as hort spacer, [17,18] or bisphosphinic acids with af lexible spacer [19] have been used for the preparation of coordination polymers ( Figure 1). None of these linkers, however, produced coordination polymers displaying permanent porosity.…”

Phosphinic Acid Based Linkers: Building Blocks in Metal–Organic Framework Chemistry

“…Perhaps then surprisingly, phosphinates have obtained much less attention for the preparation of coordination polymers, especially in comparison with carboxylic acid based linkers . Until now only monophosphinic acids, bisphosphinic acids with a short spacer, or bisphosphinic acids with a flexible spacer have been used for the preparation of coordination polymers (Figure ). None of these linkers, however, produced coordination polymers displaying permanent porosity.…”

Coordination Compounds of 9,10‐Dihydro‐9‐oxa‐10‐phosphaphenanthrene‐10‐Oxide (DOPO) Ligands: Extremely High Thermostability and Ligand Oxidation in the Solid State

“…[3d], Metal phosphonates can possess a polymeric structure in which the metal ions are bridged by the coordinated ligands resulting in the formation of coordination polymers . Such polymers exhibit metal cations in their backbone, which result in different properties compared to organic polymers . Block et al investigated bivalent metal‐ion coordination polymers containing bridging phosphinate units throughout the 1960s .…”

“…Vinas et al reported new coordination polymers and complexes containing carboranylphosphinate ligands and different divalent metal ions. [6a], 9,10‐dihydro‐9‐oxa‐10‐phosphaphenanthrene‐10‐oxide (DOPO) is used as a building block in flame retardants and can be synthesized through a condensation reaction from orthophenylphenol (OPP) and PCl 3 with zinc(II) chloride as catalyst with subsequent hydrolysis. DOPO as a monofunctional and reactive phosphororganic molecule and its derivatives as flame retardants show flame retardant efficiency in the gas and condensed phase .…”