@article{barreto_vercillo_andrade_2011,  title={Microwave-assisted Passerini reactions under solvent-free conditions},  volume={22},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532011000300008},  DOI={10.1590/S0103-50532011000300008},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Barreto, Angélica de Fátima S and Vercillo, Otilie E and Andrade, Carlos Kleber Z},  year={2011},  month={Mar},  pages={462–467} }