Cite

    Li-Rong Wen et al.. “Copper-catalyzed tandem arylation–cyclization of 2-alkynylaryl isothiocyanates with diaryliodonium salts: an efficient synthesis of thiochromeno[2, 3-b]indoles.” Organic chemistry frontiers, vol. 3, no. 7, n.d., pp. 870–874. http://access.bl.uk/ark:/81055/vdc_100034113613.0x000015