Conclusions
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1.
A method has been developed for obtaining hydroborate complexes of copper with various organophosphorus ligands (tertiary and secondary phosphines, tertiary phosphites, phosphonites, amidophosphites) by the action of ionic hydroborates on the corresponding copper complexes in aprotic solvents. The IR absorption spectra of the obtained complexes have been measured.
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2.
The influence of the electronic and steric properties of the organophosphorus ligands on the composition and structure of the hydroborate complexes of copper has been considered. It was shown that an increase in electron-donating properties and a reduction in the volume of the organophosphorus ligand promoted the formation of complexes with a monodentate hydroborate group.
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3.
The crystal and molecular structure of Cu(PBuPh2)2(BH4), a compound with a bidentate hydroborate group, has been determined.
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Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 8, pp, 1881–1887, August, 1985.
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Makhaev, V.D., Borisov, A.P., Lobkovskii, É.B. et al. Preparation of hydroborate complexes of copper and an investigation of the dependence of their structure on the nature of the organophosphorus ligands. Russ Chem Bull 34, 1731–1736 (1985). https://doi.org/10.1007/BF00948527
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DOI: https://doi.org/10.1007/BF00948527