D. R.  Garud, Sonawane, A. D., Auti, J. B., Rode, N. D., Ranpise, V. R., Joshi, R. R., and Joshi, R. A., ?Regioselective and diastereoselective iodocyclization reaction of alkene-thioureas: an efficient approach to bicyclic beta-lactams?, New Journal of Chemistry, vol. 39, no. 12, pp. 9422-9428, 2015.