Abstract
The reactivity of white phosphorus and yellow arsenic towards two different nickel nacnac complexes is investigated. The nickel complexes [(L(1) Ni)(2) tol] (1, L(1) =[{N(C(6) H(3) (i) Pr(2) -2,6)C(Me)}(2) CH](-) ) and [K(2) ][(L(1) Ni)(2) (μ,η(1 : 1) -N(2) )] (6) were reacted with P(4) , As(4) and the interpnictogen compound AsP(3) , respectively, yielding the homobimetallic complexes [(L(1) Ni)(2) (μ-η(2) ,κ(1) :η(2) ,κ(1) -E(4) )] (E=P (2 a), As (2 b), AsP(3) (2 c)), [(L(1) Ni)(2) (μ,η(3 : 3) -E(3) )] (E=P (3 a), As (3 b)) and [K@18-c-6(thf)(2) ][L(1) Ni(η(1 : 1) -E(4) )] (E=P (7 a), As (7 b)), respectively. Heating of 2 a, 2 b or 2 c also leads to the formation of 3 a or 3 b. Furthermore, the reactivity of these compounds towards reduction agents was investigated, leading to [K(2) ][(L(1) Ni)(2) (μ,η(2 : 2) -P(4) )] (4) and [K@18-c-6(thf)(3) ][(L(1) Ni)(2) (μ,η(3 : 3) -E(3) )] (E=P (5 a), As (5 b)), respectively. Compound 4 shows an unusual planarization of the initial Ni(2) P(4) -prism. All products were comprehensively characterized by crystallographic and spectroscopic methods.