R. Pick, M. Bauer, U. Kazmaier, C. Hebach, "Ammonia in Ugi-Reactions - four-component versus six-component couplings", Synlett, 2005, 757-760.
D. Stolz, R. Pick, U. Kazmaier, "Chelated Ester Enolates as versatile Nucleophiles for direct nucleophilic attack on aromatic nitro groups", Synlett, 2006, im Druck.
