Mono- and di-phosphine oxide complexes of aluminium, gallium and indium with weakly coordinating triflate anions – Synthesis, structures and properties
This chapter gives an account of newer developments in the synthesis and reactivity of phosphine chalcogenides, mainly oxides and sulfides, during 2020. A series of new synthetic methods for phosphine oxides is discussed, followed by preparations utilizing simple P-reagents such as P(iii)- and P(v)-chlorides, and >P(O)H species. Their additions to unsaturated substrates and P–C coupling reactions, involving interesting variations, represent a hot topic. The modification of P-chalcogenides including deoxygenations are also shown. Optically active phosphine oxides and their complexes also form a usual part of this chapter.
[Sn(OPMe3)¬3¬(CF3SO3)2]6 (1) self-assembles to form a highly unusual hexagonal metallocyclic array with bridging CF3SO3- groups. The discrete hexamers stack along the c-axis to form hydrophobic CF3-lined channels with an F...F...
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