Half-sandwich chalcogenido complexes of niobium(V)
Abstract
Treatment of [C5Me5Nb(NAr)(PMe3)2]1(Ar = 2,6-C6H3Pri2) with elemental sulfur, selenium or tellurium, respectively, affords the terminal chalcogenido complexes [C5Me5Nb(NAr)(E)(PMe3)](2a: E = S; 2b: E = Se; 2c: E = Te).