The First Crystallographic Evidence for the Structures of ortho-Lithiated Aromatic Tertiary Amides This work was supported by the UK EPSRC (M.A.H.), and St. Catharine's (R.P.D.) and Gonville & Caius (A.E.H.W.) Colleges, Cambridge
Angew Chem Int Ed Engl. 2001 Apr 1;40(7):1238-1240.