zinc; tetrakis(triphenylphosphine) palladium(0) 1) THF, r.t., 2) r.t.; Yield given. Multistep reaction;

tris-(dibenzylideneacetone)dipalladium(0); potassium tert-butylate; 1,3-bis(2,6-diisopropylphenyl)imidazolinium chloride in 1,4-dioxane T=100°C; Inert atmosphereSchlenk technique;