Differding, E., Vandevelde, O., Roekens, B., Van, T. T., & Ghosez, L. (1987). A Versatile Method of Synthesis of Anilines and Cyclohexenones. Tetrahedron Letters, 28(4), 397-400. https://doi.org/10.1016/S0040-4039(00)95738-1 (Original work published 1987)