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Issue 47, 2018
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A new synthetic route to 5,6,11,12-tetraarylethynyltetracenes

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Abstract

A new synthetic route to 5,6,11,12-tetrakis(arylethynyl)tetracenes, π-extended rubrenes, was developed via [4 + 2] cycloadditions of dialkynylisobenzofuran and 1,4-naphthoquinone. Introduction of arylethynyl groups by double nucleophilic additions to tetracenequinone gave sterically congested (arylethynyl)tetracenes after reductive aromatization. The photophysical properties of the newly prepared π-conjugated molecules are also evaluated.

Graphical abstract: A new synthetic route to 5,6,11,12-tetraarylethynyltetracenes

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Publication details

The article was received on 01 Oct 2018, accepted on 08 Nov 2018 and first published on 13 Nov 2018


Article type: Communication
DOI: 10.1039/C8OB02450B
Citation: Org. Biomol. Chem., 2018,16, 9143-9146
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    A new synthetic route to 5,6,11,12-tetraarylethynyltetracenes

    K. Kitamura, K. Asahina, Y. Nagai, K. Zhang, S. Nomura, K. Tanaka and T. Hamura, Org. Biomol. Chem., 2018, 16, 9143
    DOI: 10.1039/C8OB02450B

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