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常用不对称合成试剂----Ellman亚胺
手性叔丁基亚磺酰胺是一个优质的不对称辅助剂。手性Ellman亚胺 (Ellman’s Imine)与亲核试剂反应的话可以得到高非对映选择性产物。尽管手性叔丁基磺酰胺参与反应时需要加入化学当量,属于较为原始的手性辅基控制,但经过不断的改进,这种化合物的合成技术已十分纯熟,且制备成本很低,目前已得到商品化推广,并在学术研究及工业化生产中得到了广泛的应用。
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