Abstract
Methods for preparation of phosphine oxide, primary and secondary phosphine oxides and secondary diphosphine oxides are described. Characteristic reactions of P–H group, namely, dehydration, hydrophosphination, addition reactions to carbonyl group and Schiff bases, transition-metal-catalyzed cross-coupling and dehydrogenative coupling of phosphine oxide, primary and secondary phosphine oxides and secondary diphosphine oxides, are discussed. Transition-metal-catalyzed cross-coupling and dehydrogenative coupling reactions of P–H group have fundamental importance for construction of C–P bonds. Primary phosphine oxides are bifunctional compounds. They have two reactive P–H groups and represent an ideal monomer for polymer synthesis via addition reactions or via cross-coupling reactions. The challenges and potential of these reactions are also discussed.
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