Treatment of tantalum-alkyne complexes with lithium salts of allylic alcohols in DME-benzene-THF (1:1:1) at 25 °C for several hours gives 1,4-dienes stereoselectively in good to excellent yields.
在二
甲醚-苯-THF(1:1:1)中,将
钽-
炔烃络合物与烯丙基醇的
锂盐在 25 ℃ 下处理数小时,可立体选择性地得到 1,4-二烯,收率从良好到极佳。