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  • Dinaphthobenzo[1,2:4,5]dicyclobutadiene: Antiaromatic and Orthogonally Tunable Electronics and Packing ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Jin, Z., Yao, Z., Barker, K. P., Pei, J., Xia, Y. 2019; 58 (7): 2034–39

    View details for DOI 10.1002/anie.201812581

    View details for Web of Science ID 000458828000026

  • Dinaphthobenzo[1,2:4,5]dicyclobutadiene with Strong Antiaromaticity and Orthogonally Tunable Electronics and Packing. Angewandte Chemie (International ed. in English) Jin, Z., Yao, Z., Barker, K. P., Pei, J., Xia, Y. 2018

    Abstract

    Polycyclic conjugated hydrocarbons containing antiaromatic four-membered cyclobutadienoids are of great fundamental and technical interest. However, their challenging synthesis has hampered the exploration and understanding of such systems. We report herein a modular and efficient synthesis of novel CBD-containing acene analogues, dinaphthobenzo[1,2:4,5]dicyclobutadiene (DNBDCs) with orthogonally tunable electronic properties and molecular packing. Our design also features strong antiaromaticity of CBD units, as revealed by nucleus-independent chemical shift and anisotropy of the induced current density calculations as well as X-ray crystallography. Tuning the size of silyl substituents resulted in the most favorable "brick-layer" packing for triisobutylsilyl-DNBDC and a charge mobility of up to 0.52 cm2 V-1 s-1 in field-effect transistors.

    View details for PubMedID 30565363