
One-pot solvent-free synthesis of triaryl- and triheteroarylmethanes by Bi(OTf)3-catalyzed Friedel-Crafts reaction of arenes/heteroarenes with trialkyl orthoformates
Keywords: Triarylmethane; Triheteroarylmethane; Bismuth(III) triflate; Friedel-Crafts reaction; Trialkyl orthoformate;