1. J. C. Cardoso, S. M. S. C. Cadena, A. M. S. Arruda, et al., Drug Dev. Res., 61(4), 207 – 217 (2004).
2. H. A. Mastalerz, M. S. Gibson, and T. Mohammad, Can. J. Chem., 12, 2713 – 2716 (1987).
3. C. J. Collier, in: Science of Synthesis: Houben-Weyl Methods of Molecular Transformations, 13, 349 – 414 (2003).
4. A. D. M. Curtis, in: Science of Synthesis: Houben-Weyl Methods of Molecular Transformations, 13, 603 – 640 (2003).
5. M. Ivarez and J. A. Joule, in: Science of Synthesis: Houben-Weyl Methods of Molecular Transformations, 15, 661 – 838 (2004).