1. Tao, J. A.; Kazlauskas, R. J. Biocatalysis for Green Chemistry and Chemical Process Development; John Wiley & Sons, 2011.
2. (a) Zhu, J.; Bienaymé, H. Multicomponent Reactions; Wiley-VCH: Weinheim, 2005. (b) Orru, R. V. A.; Ruijter, E. Synthesis of Heterocycles via Multicomponent Reactions II; Springer: Berlin, 2010. (c) Dӧmling, A.; Wang, W.; Wang, K. Chem. Rev. 2012, 112, 3083.
3. Ellis, G. P. The Chemistry of Heterocyclic Compounds: Chromenes, Chromanones, and Chromones; Wiley-Interscience: Ontario, 2009.
4. Cassidy, F.; Evans, J. M.; Hadley, M. S.; Haladij, A. H.; Leach, P. E.; Stemp, G. J. Med. Chem. 1992, 35, 1623.
5. Robertson, D. W.; Steinberg, M. I. J. Med. Chem. 1990, 33, 1529.