Barbier-type allylation of optically active imines such as N-benzylidenevalinol methyl ether was performed with metallic samarium, a catalytic amout of iodine, and allyl bromide. This reaction proceeded in a highly diastereoselective manner in THF at room temperature.
对光学活性
亚胺(如 N-benzylidenevalinol
甲基醚)进行Barbier类型的
烯丙基化反应,使用
金属
钐、催化量的
碘和
烯丙基
溴。该反应在常温下的THF中以高度的非对映选择性进行。