@article{zhang_hu_2006,  title={Cobalt(II) chloride-mediated synthesis of beta-enamino compounds under solvent-free conditions},  volume={17},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532006000700038},  DOI={10.1590/S0103-50532006000700038},  number={7},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Zhang, Zhan-Hui and Hu, Jin-Yong},  year={2006},  month={Nov},  pages={1447–1451} }