Treatment of (E)- and (Z)-β-styryltrimethylsilanes with benzaldehyde diethyl acetal in the presence of Lewis acid affords selectively 1,3,5-tri-phenyl-(E,E)- and (E,Z)-1,4-pentadienes, respectively.
在
路易斯酸存在下用
苯甲醛二乙基乙缩醛处理(E)-和(Z)-β-
苯乙烯基三甲基
硅烷,得到选择性1,3,5-三苯基-(E,E)-和(E,Z)-1分别为,4-
戊二烯。