Asymmetric construction of 3-vinylidene-pyrrolidine derivatives containing allene moiety viaAg(i)/TF-BiphamPhos-catalyzed 1,3-dipolar cycloaddition of azomethine ylides with diethyl 2-(3,3-diphenylpropa-1,2-dienylidene) malonate†‡
Abstract
Catalytic asymmetric