Solvent- and Temperature-Dependent Functionalisation of Enantioenriched Aziridines
作者:Maria Carolina de Ceglie、Biagia Musio、Francesco Affortunato、Anna Moliterni、Angela Altomare、Saverio Florio、Renzo Luisi
DOI:10.1002/chem.201002172
日期:2011.1.3
for the synthesis of chiral tri‐substituted aziridines with different stereochemistry. In contrast, chiral aziridine (S,S)‐1 c showed a temperature‐dependent reactivity to give chiral ortho‐lithiated aziridine 1 c‐ortho‐Li at −78 °C and α‐lithiated aziridine 1 c‐α‐Li at 0 °C. Both lithiated intermediates react with electrophiles to give enantioenriched ortho‐ and α‐functionalised aziridines. The reaction