1,1-Dibromo-1-alkenes were coupled with a variety of aryl boronic acids usi
ng Suzuki conditions (PdCl2(PPh3)(2)/Na2CO3/ THF-H2O or DME-H2O/65-90 degre
esC). The 1,1-dibromo-1-alkenes were prepared from ketones, and thus, the o
verall process furnished tetra-substituted alkenes in a very efficient mann
er.