@article{ferraz_pereira_2004,  title={Síntese de enaminonas},  volume={27},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422004000100019},  DOI={10.1590/S0100-40422004000100019},  number={1},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Ferraz, Helena M. C and Pereira, Fernando L. C.},  year={2004},  month={Jan},  pages={89–95} }