Asymmetric construction of fluorinated imidazolidinesvia Cu(i)-catalyzed exo′-selective 1,3-dipolar cycloaddition of azomethine ylides with fluorinated imines†
Abstract
Expedient access to optically active fluorinated 2,4-trans-imidazolidines was successfully developed via Cu(I)-catalyzed exo′-selective 1,3-DC of