Erratum to: Med Chem Res (2014) 23:4042–4049 DOI 10.1007/s00044-014-0985-1

In the original version of this paper, Dr. Youssef Ramli is affiliated only with Laboratoire de Chimie Organique Hétérocyclique. In addition to this affiliation, he should also be affiliated with the Medicinal Chemistry Laboratory, Faculty of Medicine and Pharmacy, Mohammed V University, Rabat, Morocco.