1.)MgX2;; tetrakis(triphenylphosphine) palladium(0) 1.)Et2O; 2.)THF; Yield given. Multistep reaction;

tetrakis(triphenylphosphine) palladium(0) 1.) Et2O 2.) Et2O, THF, -30 deg C to R.T., 1 h; Yield given. Multistep reaction;