Chiral sulfoxides were prepared in excellent enantioselectivity through α′,β-elimination of the tert-butyl substituted sulfoxonium ylide intermediates in situ generated from diazoacetates and (R)-N-tert-butylsulfinyl aldimines in the presence of a copper(I) catalyst.
                                    手性亚
磺酸酯通过在
铜(I)催化剂存在下,由二氮
乙酸酯和(R)-N-叔丁基亚磺酰阿尔德酮生成的叔丁基取代的亚
磺酸酯亚盐中间体的α′,β-消除反应,以优异的对映选择性制备。