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Synthesis of a Naphthodiazaborinine and Its Verification by Planarization with Atomic Force Microscopy

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journal contribution
posted on 25.04.2016, 12:34 by Zsolt Majzik, Ana B. Cuenca, Niko Pavliček, Núria Miralles, Gerhard Meyer, Leo Gross, Elena Fernández
Aiming to study new motifs, potentially active as functional materials, we performed the synthesis of a naphthodiazaborinine (the BN isostere of the phenalenyl anion) that is bonded to a hindered di-ortho-substituted aryl system (9-anthracene). We used atomic force microscopy (AFM) and succeeded in both the verification of the original nonplanar structure of the molecule and the planarization of the skeleton by removing H atoms that cause steric hindrance. This study demonstrated that planarization by atomic manipulation is a possible route for extending molecular identification by AFM to nonplanar molecular systems that are difficult to probe with AFM directly.