1. (b) Semmelhack, M. F. Transition Metal Arene Complexes: Ring Lithiation, ref 1a, pp 1030−1035 and refs 46−51 cited therein.
2. (c) Davies, S. G.; McCarthy, T. D. Transition Metal Arene Complexes: Side Chain Activation and Control of Stereochemistry, ref 1a, p 1039 and refs 137 and 143−148 cited therein.
3. Highly diastereoselective Michael addition to 2-arylidene-1-tetralones complexed with Cr(CO)3
4. (b) Sur, S.; Ganesh, S.; Puranik, V. G.; Sarkar, A.J. Chem. Soc.,Perkin Trans. 11998, 977−982. (c). Uemura, M. Tricarbonyl (η6-arene) chromium Complexes in Organic Synthesis. InAdvancesIn Metal-Organic Chemistry; Liebeskind, L. S., Ed.; JAI Press: Greenwich, CT, 1991; Vol. 2, pp 231−240 and refs 84−110 cited therein.