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A Monomeric Stannabenzene: Synthesis, Structure, and Electronic Properties
Canon Kaiya1, Katsunori Suzuki1, Makoto Yamashita1
1Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan.
Abstract:
A tin-containing benzene, stannabenzene, was synthesized and isolated as a monomeric form. The X-ray crystallographic analysis revealed the planar structure of the stannabenzene ring and unsaturated Sn-C and C-C bonds without bond alternation. Low-field shifted NMR signals and negative nuclear-independent chemical shifts (NICS) values are in agreement with the features of aromatic compounds. The narrow HOMO-LUMO gap of stannabenzene has been revealed by UV/Vis spectroscopy and electrochemistry.
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