The allylations of a variety of carbonyl compounds were carried out smoothly in the presence of phase transfer catalysts (PTC) when mediated by tin or zinc in distilled water, giving rise to the corresponding homoallylic alcohols in excellent yields. Particularly, for aryl aldehyde, the corresponding allylation products can be obtined quantatively.%应用四丁基溴化铵(TBAB)、β-环糊精(β-CD)和四氟硼酸盐(MBF4)作为催化剂,在纯水中加入锡或锌能促进羰基化合物的烯丙基化反应顺利地进行,得到相应的高产率烯丙基化产物.
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