@article{negrón_palacios_angeles_lomas_gaviño_2005,  title={A mild and efficient method for the chemoselective synthesis of acylals from aromatic aldehydes and their deprotections catalyzed by sulfated zirconia},  volume={16},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532005000300025},  DOI={10.1590/S0103-50532005000300025},  number={3a},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Negrón, Guillermo E. and Palacios, Laura N. and Angeles, Deyanira and Lomas, Leticia and Gaviño, Rubén},  year={2005},  month={May},  pages={490–494} }