Whereas cyclohexenones and ketones are poor acceptors for palladium mediated cycloadditions of 2-trimethylsilylmethylallylacetate, oxygen heterocycles bearing such functionality react smoothly and with high diastereoselectivity.
对于
钯介导的 2-三甲基
硅甲基
烯丙基乙酸酯环加成反应,
环己烯酮和
酮类是较差的受体,而具有此类官能团的氧杂环却能顺利地发生反应,并且具有很高的非对映选择性。