A new and very efficient preparation of the title compound in one step using acrolein, triphenylphosphine and hydrobromic acid is described. This reagent used in the three-carbon homologation of carbonyl compounds gave β,γ-unsaturated aldehydes in good yields.
报道了一种新的高效率一步合成标题化合物的方法,使用
丙烯醛、
三苯基膦和
氢溴酸。该试剂在羰基化合物的三碳同系化反应中,能以良好的产率得到β,γ-不饱和醛。