(Z)-α-Bromovinylstannanes are new difunctional group reagents, which undergo palladium catalyzed cross-coupling reactions with (E)-alkenylzirconium complexes to give stereoselectively 1,3-dienylstannanes in good yields.
                                    (Z)-α-
溴乙烯基锡烷是新的双官能团试剂,其与(E)-烯基
锆络合物进行
钯催化的交叉偶联反应,从而以良好的收率得到立体选择性的1,3-二烯基
锡烷。