Synthesis of tetraarylmethanes via a Friedel-Crafts cyclization/desulfurization strategy |
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| Authors: | Paul J. Griffin Matthew A. Fava St. John T. Whittaker Kristopher J. Kolonko Arthur J. Catino |
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| Affiliation: | 1. Department of Chemistry, The University of Scranton, Scranton, PA 18510, USA;2. Stewart’s Advanced Instrumentation and Technology (SAInT) Center, Siena College, Loudonville, NY 12211, USA |
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| Abstract: | Tetraarylmethanes are an important class of molecules that contain four aryl groups bonded to a central carbon atom. The shape/three-dimensionality of these molecules makes them suitable for organic light-emitting diodes (OLEDs), organic solar cells, hydrogen storage, and even drug-delivery. Despite their importance, there are only a few methods available for their preparation. Herein, we report a simple procedure for the preparation of tetraarylmethanes that involves a bismuth-catalyzed Friedel-Crafts cyclization followed by a desulfurization reaction mediated by Raney nickel. |
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| Keywords: | Tetraarylmethanes Tetraphenylmethane Bismuth catalysis Friedel-Crafts cyclization desulfurization |
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