Maiti, Jyotirmay, et al. “An Efficient Two-Step Synthesis of 2,5-Disubstituted Oxazole Derivatives Involving Cu-Promoted Carbon-Carbon Single Bond Formation”. Asian Journal of Chemistry, vol. 28, no. 7, Mar. 2016, pp. 1519-22, doi:10.14233/ajchem.2016.19743.