Asymmetric Aza-Mannich Reactions of Sulfinimines: Scope and Application to the Total Synthesis of a Bromopyrrole Alkaloid
作者:James C. Lanter、Hongfeng Chen、Xuqing Zhang、Zhihua Sui
DOI:10.1021/ol0525258
日期:2005.12.1
[reaction: see text] An asymmetric intermolecular aza variant of the Mannich reaction is reported utilizing chiral sulfinimine anions as the nucleophile and N-sulfonyl aldimines as the electrophilic component. A wide range of nucleophiles and electrophiles are tolerated by the reaction conditions, delivering the condensation products in good to excellent yield with a high degree of stereocontrol. Application
[反应:见正文]据报道,曼尼希反应的不对称分子间氮杂变体以手性亚磺酰亚胺阴离子为亲核试剂,以N-磺酰基亚胺为亲电组分。反应条件可耐受各种各样的亲核试剂和亲电试剂,以高度立体控制的方式,以高至优异的产率提供缩合产物。报道了这种方法在天然产物的全合成中的应用。