In 2019,Inorganica Chimica Acta included an article by Dyukova, I. I.; Lavrenova, L. G.; Kuz’menko, T. A.; Komarov, V. Yu.; Sukhikh, T. S.; Vorontsova, E. V.. Synthetic Route of Br2Cu. The article was titled 《Coordination compounds of Co(II) and Cu(II) halides with 2,4-dimethyl-1,2,4-triazolo[1,5-a]benzimidazole》. The information in the text is summarized as follows:
Coordination compounds based on Co(II) and Cu(II) halides with 2,4-dimethyl-1,2,4-triazolo[1,5-a]benzimidazole (L) [ML2Cl2] (M = Co2+ 1 or Cu2+ 2) and [CuL2Br2] (3) were synthesized. The compounds were characterized by single-crystal XRD anal., UV-visible spectroscopy (diffuse reflectance spectra, DRS) and IR spectroscopy. Via XRD structural anal., crystal structures were determined for [CoL2Cl2] 1, [CuL2Cl2] 2 and [Cu2L2(μ-Cl)2Cl2(H2O)2] 3. Cytotoxic effects of the complexes and ligand on cell line Hep-2 were studied, and the formation of a Cu(II) complex with L considerably enhances cytotoxicity. In the part of experimental materials, we found many familiar compounds, such as Cupric bromide(cas: 7789-45-9Synthetic Route of Br2Cu)
Some reported applications of Cupric bromide(cas: 7789-45-9) are: catalyst in cross coupling reactions; co-catalyst in Sonogashira coupling; lewis acid in enantioselective addition of alkynes.Synthetic Route of Br2Cu
Referemce:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”