lsyc_a_1262421_sm2202.docx (1.97 MB)
Regioselective hydrothiolation of terminal acetylene catalyzed by magnetite (Fe3O4) nanoparticles
Version 2 2017-01-19, 16:28
Version 1 2016-11-22, 16:50
journal contribution
posted on 2017-01-19, 16:28 authored by Manuela S. T. Rocha, Jamal Rafique, Sumbal Saba, Juliano B. Azeredo, Davi Back, Marcelo Godoi, Antonio L. BragaHerein, we report a new and solvent-free methodology for the preparation of vinyl thioethers from terminal alkynes and thiols, using magnetite (Fe3O4) nanoparticles as a recyclable catalyst. With this greener method, the desired vinyl thioethers were achieved in good yields and with good stereoselectivity. In addition, the catalyst was easily recovered using a simple external magnet and reused for further catalytic reactions without significant loss of activity up to the fifth cycle.