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Synlett 2017; 28(06): 625-632
DOI: 10.1055/s-0036-1588688
DOI: 10.1055/s-0036-1588688
synpacts
Rapid π-Extension of Aromatics via Alkyne Benzannulations
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.