@article{brighente_yunes_1997,  title={The general mechanisms of attack of nitrogen nucleophiles on carbonyl compounds: facts that determine the change of the rate-pH profiles},  volume={8},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531997000500018},  DOI={10.1590/S0103-50531997000500018},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Brighente, Inês Maria Costa and Yunes, Rosendo Augusto},  year={1997},  pages={549–553} }