Synlett 2017; 28(06): 625-632
DOI: 10.1055/s-0036-1588688
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© Georg Thieme Verlag Stuttgart · New York

Rapid π-Extension of Aromatics via Alkyne Benzannulations

Wenlong Yang
University of Nevada, Reno, Department of Chemistry, 1664 N. Virginia St., Reno, NV 89557, USA   Email: wchalifoux@unr.edu
,
Wesley A. Chalifoux*
University of Nevada, Reno, Department of Chemistry, 1664 N. Virginia St., Reno, NV 89557, USA   Email: wchalifoux@unr.edu
› Author Affiliations
Further Information

Publication History

Received: 04 November 2016

Accepted after revision: 20 December 2016

Publication Date:
17 January 2017 (online)


Abstract

The rational synthesis of atomically precise polycyclic aromatic hydrocarbons (PAHs) and graphene nanoribbons (GNRs) has been achieved by using ‘bottom-up’ strategies. The creation of new methods to make functional PAHs and GNRs under mild conditions is of significant value. Recently, we have described the synthesis of pyrene, peropyrene, and teropyrene derivatives through the double or quadruple cyclization reaction of alkynes promoted by Brønsted acids. The successful synthesis of GNRs further exemplified the application of this method to the rapid construction of large PAHs.