4.8 Article

Anthryl-Substituted Trialkyldisilene Showing Distinct Intramolecular Charge-Transfer Transition

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 9, Pages 3156-+

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja8093313

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Funding

  1. Ministry of Education, Culture, Sports, Science, and Technology of Japan [17002005]
  2. Young Scientists (A) [20685004]
  3. Grants-in-Aid for Scientific Research [17002005, 20685004] Funding Source: KAKEN

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1-Naphthyl-, 9-phenanthryl-, and 9-anthryl-substituted trialkyldisilenes 1-3 were synthesized as the first stable disilenes with single polycyclic aromatic substituents, allowing elucidation of the unprecedented intramolecular charge transfer interaction between disilene pi and aromatic pi systems. Anthryl-substituted disilene 3 having a low-lying pi*(aryl) LUMO showed a distinct ICT absorption band due to the charge transfer from a disilene pi donor to an aromatic pi acceptor.

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