Samarium metal (activated by HgCl2) is an effective reagent for allylation or benzylation of ketones. The corresponding tertiary alcs. are obtained in satisfactory yields.
结果表明， 经氯化汞活化的金属钐对酮类化合物与烯丙基或苄基卤代物的反应很有效， 可高产率地生成叔醇。
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