SmI2-mediated allylation or benzylation of alkylarylketenes followed by enantioselective protonation with α,α′-di[(S)-2-hydroxy-2-phenylethyl]-o-xylenedioxide gave the corresponding ketones in 61–91%ee.
SmI2- 介导的烷基芳基烯酮的烯丙基化或苄基化,然后与 α,α′-二[(S)-2-羟基-2-苯基乙基]-邻氧二氧化物进行对映选择性质子化,可得到 61-91%ee 的相应酮。