Iodine(III)-Mediated Umpolung of Bromide Salts for the Ethoxybromination of Enamides
作者:Sophie Nocquet-Thibault、Pascal Retailleau、Kevin Cariou、Robert H. Dodd
DOI:10.1021/ol400453b
日期:2013.4.19
Using (diacetoxylodo)benzene in conjunction with simple bromide salts in ethanol allows the regioselective ethoxybromination of a wide range of enamides, thus yielding highly versatile alpha-bromo hemiaminals, which can then be engaged in a broad array of transformations.
Copper(I) Catalyzed Regioselective Asymmetric Alkoxyamination of Aryl Enamide Derivatives
作者:Masafumi Nakanishi、Corinne Minard、Pascal Retailleau、Kevin Cariou、Robert H. Dodd
DOI:10.1021/ol202367d
日期:2011.11.4
The copper(I) catalyzed reaction of an enamide with an iminoiodane, in the presence of an alcohol, triggers the direct alkoxyamination of the double bond. This transformation represents a straightforward access to α-amino aminals in a completely regio- and diastereoselective manner. Use of a chiral Box ligand allows this reaction to be carried out in an enantioselective fashion.