Barbier-type allylation and alkylation of optically active imines such as N-benzylidenevalinol methyl ether was performed with metallic samarium, a catalytic amount of iodine, and allyl or alkyl halides. This reaction proceeded in a highly diastereoselective manner in THF at room temperature.
用
金属sa,催化量的
碘和烯丙基或烷基卤化物进行光学活性的
亚胺如N-苄叉亚
戊醇甲基醚的Barbier型烯丙基化和烷基化。该反应在室温下以高度非对映选择性的方式进行。