K. Kamesu, G. Krishnamohan, and K. Rajasekhar, “Gallium(III) Iodide Mediated Mild and Efficient Method for Synthesis of 4-Iodotetrahydropyrans by Cross-Cyclization of Epoxides and Homoallylic Alcohols”, ajc, vol. 29, no. 12, pp. 2704–2706, Oct. 2017.