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Synthesis and reactivity of a trigonal porous nanographene on a gold surface.

ABSTRACT: The synthesis of porous nanographenes is a challenging task for solution chemistry, and thus, on-surface synthesis provides an alternative approach. Here, we report the synthesis of a triporous nanographene with 102 sp2 carbon atoms by combining solution and surface chemistry. The carbon skeleton was obtained by Pd-catalyzed cyclotrimerization of arynes in solution, while planarization of the molecule was achieved through two hierarchically organized on-surface cyclodehydrogenation reactions, intra- and inter-blade. Remarkably, the three non-planar [14]annulene pores of this nanographene further evolved at higher temperatures showing interesting intra-porous on-surface reactivity.

SUBMITTER: Zuzak R

PROVIDER: S-EPMC6979371 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Synthesis and reactivity of a trigonal porous nanographene on a gold surface.

Zuzak Rafal R Pozo Iago I Engelund Mads M Garcia-Lekue Aran A Vilas-Varela Manuel M Alonso José M JM Szymonski Marek M Guitián Enrique E Pérez Dolores D Godlewski Szymon S Peña Diego D

Chemical science 20190913 43

The synthesis of porous nanographenes is a challenging task for solution chemistry, and thus, on-surface synthesis provides an alternative approach. Here, we report the synthesis of a triporous nanographene with 102 sp<sup>2</sup> carbon atoms by combining solution and surface chemistry. The carbon skeleton was obtained by Pd-catalyzed cyclotrimerization of arynes in solution, while planarization of the molecule was achieved through two hierarchically organized on-surface cyclodehydrogenation re ...[more]

PMID: 32055368

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