https://orcid.org/0000-0001-7256-3353
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Abstract
Transformations of copper(I) complexes based on pyridyl-containing phospholanes in solutions under aerobic recrystallization were observed. Two types of complexes, namely P,N-chelate binuclear copper complex 3 of composition L2Cu2(FBF3)2 (L = 2-phospholanopyridine) and N,O-chelate aqua complex 4 [L′2Cu(H2O)](BF4)2 (L′ = 2-(phospholanoxide)pyridine), were obtained under mild oxidation of triple-bridged binuclear copper(I) complex (1) based on 2-phospholanopyridine. At the same time N,O-chelate complex 5 [L″2Cu](BF4)2 (L″ = 4-methyl-2-(phospholanoxide)pyridine) was obtained from triple-bridged binuclear copper(I) complex (2) based on 4-methyl-2-phospholanopyridine under similar conditions. Structures of the complexes in the crystalline phase were determined by single crystal X-ray diffraction study.
Graphical Abstract
Acknowledgment
The reported study was funded by RFBR according to the research project No 20-33-90076. X-ray diffraction and spectral data were registered on the equipment of Assigned Spectral-Analytical Center of FRC Kazan Scientific Center of RAS.