Synthesis and structural characterization of phosphinate coordination polymers with tin(IV) and copper(II)

Self-association of diphenylpnictoginic acids in solution and solid state: covalent vs. hydrogen bonding

“…Previously, it was shown that the very same structure can be obtained from benzene 32 or methanol. 33 Thus, based on obtained data it could be concluded, that probably the crystallization of 15 leads to the formation of only one crystal structure without any evidence of polymorphism.…”

Redox Instability of Copper(II) Complexes of a Triazine‐Based PNP Pincer

“…Complexes of this ligand were described for Cr(III), Fe(III), Mn(II), Co(II), Ni(II), and UO 2 2+[74] and also Ag(I) [75] and Cu(I) [76] . From Cu(II), so far only the homoleptic polymeric complex [Cu(O 2 PPh 2 ) 2 ] n [69–71] and some mixed‐ligand oligonuclear complexes such as [Cu 4 (μ‐dppi) 4 (Hdppi) 2 (hfac) 4 ], [Cu 5 (μ‐O) 2 (μ‐dppi)(μ‐Hdppi) 2 (μ‐hfac) 3 (hfac) 2 ], and [Cu 6 (μ‐O) 2 (μ‐dppi) 2 (μ‐Hdppi)(μ‐hfac) 6 ] (Hdppi=diphenylphosphinic acid, hfac=hexafluoroacetylacetonate), [77] have been described, but no simple heteroleptic Cu(II) complexes containing diphenylphosphinate.…”

“…The crystal structure of was found to crystallise in the space group C2/c (No. 15), has been reported before [69,70] and will thus not be further discussed.…”

“…Recrystallisation of the yellow material from EtOH yielded the pure complex and from the mother liquor we obtained blue crystals representing the Cu(II) coordination polymer [Cu(O PPh 2 ) 2 ] n (2) which has been reported before. [69][70][71] Diphenylphosphinate À O 2 PPh 2 is very probably the product of the assumed oxidation of the ligand and subsequent hydrolysis.…”

“…Complexes of this ligand were described for Cr(III), Fe(III), Mn(II), Co(II), Ni(II), and UO 2 2 + [74] and also Ag(I) [75] and Cu(I). [76] From Cu(II), so far only the homoleptic polymeric complex [Cu(O 2 PPh 2 ) 2 ] n [69][70][71] and some mixed-ligand oligonuclear complexes such as [Cu 4 (μ-dppi) 4…”