B. M.  Sharma, Rathod, J., Gonnade, R. G., and Kumar, P., ?Harnessing nucleophilicity of allenol ester with p-quinone methides via gold catalysis: application to the synthesis of diarylmethine-substituted enones?, Journal of Organic Chemistry, vol. 83  , no. 16, pp. 9353-9363, 2018.