1. (a) Olah, G. A. Friedel–Crafts and Related Reactions; Wiley-Interscience: New York, 1964; Vol. III.
2. (b). Olah, G. A. Friedel–Crafts Chemistry; Wiley-Interscience: New York, 1973.
3. (c) Heaney, H. Comprehensive Organic Synthesis; Trost, B. M., Ed.; Pergamon: Oxford, 1991; Vol. 2, pp 733–752.
4. (d). Olah, G. A.; Krishnamurti, R.; Prakash, G. K. S. Comprehensive Organic Synthesis; Trost, B. M., Ed.; Pergamon: Oxford, 1991; Vol. 3, pp 293–339.
5. For some recent papers on catalytic Friedel–Crafts acylation reaction, see: (a) Kobayashi, S.; Iwamoto, S. Tetrahedron Lett.1998, 39, 4697. (b). Desmurs, J. R.; Labrouillere, M.; Le Roux, C.; Gaspard, H.; Laporterie, A.; Dubac, J. Tetrahedron Lett.1997, 38, 8871. (c). Hachiya, I.; Moriwaki, M.; Kobayashi, S. Tetrahedron Lett.1995, 36, 409. (d). Kawada, A.; Mitamura, S.; Kobayashi, S. Chem. Commun.1996, 183. (e) Matsuo, J.-I.; Odashima, K.; Kobayashi, S. Synlett2000, 403.