Benzotrifuranone: synthesis, structure, and access to polycyclic heteroaromatics.

@article{Li2009BenzotrifuranoneSS,
  title={Benzotrifuranone: synthesis, structure, and access to polycyclic heteroaromatics.},
  author={Yan Li and Andrew J. Lampkins and Matthew B. Baker and Bobby G. Sumpter and Jingsong Huang and Khalil A. Abboud and Ronald K. Castellano},
  journal={Organic letters},
  year={2009},
  volume={11 19},
  pages={
          4314-7
        }
}
Functionalized benzotrifurans can be accessed in one efficient acylation step from previously unreported benzotrifuranone. DFT calculations have confirmed the aromaticity of the heteroaromatic system and determined its electronic structure that is relevant to applications in materials and supramolecular chemistry. 
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