situ reacted with aldehydes to give conjugated dienes in good yields in the presence of tributylphosphine and a catalytic amount of Pd(PPh3)4. This method proved to be suitable for the preparation of polyene compounds such as carotenoids.
在
三丁基膦和催化量的 Pd(PPh3)4 存在下,由
烯丙醇和
异氰酸苯酯原位制备的烯丙基
苯基氨基甲酸酯与醛反应以良好的产率得到共轭二烯。该方法被证明适用于制备多烯化合物,如类
胡萝卜素。