D. J.  Paymode and Ramana, C. V., ?Ruthenium(II)-catalyzed C3 arylation of 2-aroylbenzofurans with arylboronic acids/aryltrifluoroborates via carbonyl-directed C-H bond activation?, Journal of Organic Chemistry, vol. 80, no. 22, pp. 11551-11558, 2015.