CuBr2 AS A BROMINATION AGENT OF PYRAZOLE-BASED LIGAND: SYNTHESIS OF COPPER(II) COORDINATION COMPOUNDS BY OXIDATIVE DISSOLUTION OF COPPER POWDER IN ORGANIC SOLVENTS - Vynohradov, Oleksandr S.; Davydenko, Yuliya M.; Pavlenko, Vadim O.; Naumova, Dina D.; Fritsky, Igor O.; Shova, Sergiu; Prysiazhna, Olena V. (Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Hìmìâ, 2023)