@article{silveira_caliari_vieira_mendes_2007,  title={Synthesis of organothioacrylonitriles and organoselenoacrylonitriles by reaction of 1-Halo-1-chalcogenoalkenes with CuCN},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000800005},  DOI={10.1590/S0103-50532007000800005},  number={8},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Silveira, Claudio C. and Caliari, Vinicius and Vieira, Adriano S. and Mendes, Samuel R.},  year={2007},  pages={1481–1485} }