@article{lara_soares_jacob_schumacher_perin_2016,  title={Selective Synthesis of (Z)-Chalcogenoenynes and (Z,Z)-1,4-bis-Chalcogenbuta-1,3-dienes Using PEG-400},  volume={27},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20160094},  DOI={10.5935/0103-5053.20160094},  number={11},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Lara, Renata G. and Soares, Liane K. and Jacob, Raquel G. and Schumacher, Ricardo F. and Perin, Gelson},  year={2016},  month={Nov},  pages={2046–2054} }