Abstract:
The complex-forming and physicochemical properties of tertiary arsine oxides are analysed in connection with the significant differences between them and the closest organophosphorus analogues. Attention is focused on the reactivities of organoarsenic ligands in complex-formation reactions with acids and metal salts. The specific features of the steric and electronic structures of arsine oxides and the mechanism of the transmission of the influences from groups via the arsenic atom to the reaction centre (the arsenyl oxygen) are discussed. Heterophase reactions in the extraction of acids and salts are considered within the framework of a single model of donor–acceptor processes in solution. The bibliography includes 274 references.
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