Acid-base and complexing properties of some δ-hydroxyalkenylphosphine oxides

Abstract

Four new compounds, asymmetrical phosphine oxides containing 2-hydroxyphenylethenyl fragment in cis-orientation with respect to the phosphine oxide: dibutyl-, diphenyl-, dibenzyl-, and dinaphthyl-2-(2-hydroxy-5- chlorophenyl)-2-phenyl-ethenylphospnine oxides, have been studied in aqueous ethanol (80 vol % of EtOH) by means of potentiometry and spectrophotometry at 25±0.1 C, and their acid-base and complexing properties estimated. © 2013 Pleiades Publishing, Ltd