N,N-dicyclohexylmethylamine; tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butylphosphonium tetraphenylborate in 1,4-dioxane T=120°C; 37 h; Product distribution / selectivity;

tris(dibenzylideneacetone)dipalladium (0); N,N-dicyclohexylmethylamine; [(t-Bu)3PH]BF4 in 1,4-dioxane T=20 - 120°C; Heck reaction; 43 h;

tris(dibenzylideneacetone)dipalladium (0); tri-tert-butyl phosphine; Cy2NMe2 in 1,4-dioxane T=20°C; Heck coupling; 12 h; Title compound not separated from byproducts.;