Johann T B H Jastrzebski

Formation of organolithium hetero-aggregates [Li4Ar2(nBu)2] (Ar=C6H4CH(Me)NMe2-2) during the directed ortho-lithiation of [1-(dimethylamino)ethyl]benzene.

Gerard van Koten, Martin Lutz, Claudia M P Kronenburg, 2004, Chemistry.