Stereocontrolled Synthesis of β-Amino Alcohols from Lithiated Aziridines and Boronic Esters
作者:Frank Schmidt、Florian Keller、Emeline Vedrenne、Varinder K. Aggarwal
DOI:10.1002/anie.200805272
日期:2009.1.26
β‐Amino alcohols have been prepared with high selectivity by the addition of lithiatedaziridines to boronic esters. The regioselectivity of lithiation for aryl aziridines is sensitive to the reaction conditions and to the base employed. This response was exploited to give either class of β‐amino alcohols (see scheme; Boc=tert‐butoxycarbonyl, Bus=tert‐butylsulfonyl, LTMP=lithium 2,2,6,6‐tetramethylpiperidide