Erratum to "Ionic liquids as phase transfer catalysts: Enhancing the biphasic extractive epoxidation reaction for the selective synthesis of β-O-glycosides" [Tetrahedron Lett. 58 (2017) 3739–3742]. Issue 41 (11th October 2017) - Santiago, Cintia C.; Lafuente, Leticia; Bravo, Rodolfo; Díaz, Gisela; Ponzinibbio, Agustín