Synthesis, structure, and properties of luminescent diazaborole and indole systems

Weber L, Eickhoff D, Chrostowska A, Darrigan C, Stammler H-G, Neumann B (2017)
CHEMISTRY OF HETEROCYCLIC COMPOUNDS 53(1): 54-65.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
Thiophenes and phenylacetylenes, decorated with 1-methylindol-2-yl, 1,3,2-benzodiazaborol-2-yl, 1,3,2-diazaborol-2-yl, or 1,3,2-diazaborolidinyl groups at one end and dimesitylborolyl or CN substituents at the opposite end of the molecules, were synthesized. Upon UV irradiation, these push-pull systems in THF solution gave rise to bright-blue emission with Stokes shifts ranging from 4100 to 9300 cm(-1) and quantum efficiencies up to 0.99. Thereby intramolecular charge transfer took place from the HOMO of the indolyl or borolyl fluorophores to the LUMO, mainly centered on the electron-withdrawing cyano or dimesitylboranyl group.
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Zeitschriftentitel
CHEMISTRY OF HETEROCYCLIC COMPOUNDS
Band
53
Zeitschriftennummer
1
Seite
54-65
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eISSN
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Weber L, Eickhoff D, Chrostowska A, Darrigan C, Stammler H-G, Neumann B. Synthesis, structure, and properties of luminescent diazaborole and indole systems. CHEMISTRY OF HETEROCYCLIC COMPOUNDS. 2017;53(1):54-65.
Weber, L., Eickhoff, D., Chrostowska, A., Darrigan, C., Stammler, H. - G., & Neumann, B. (2017). Synthesis, structure, and properties of luminescent diazaborole and indole systems. CHEMISTRY OF HETEROCYCLIC COMPOUNDS, 53(1), 54-65. doi:10.1007/s10593-017-2021-0
Weber, L., Eickhoff, D., Chrostowska, A., Darrigan, C., Stammler, H. - G., and Neumann, B. (2017). Synthesis, structure, and properties of luminescent diazaborole and indole systems. CHEMISTRY OF HETEROCYCLIC COMPOUNDS 53, 54-65.
Weber, L., et al., 2017. Synthesis, structure, and properties of luminescent diazaborole and indole systems. CHEMISTRY OF HETEROCYCLIC COMPOUNDS, 53(1), p 54-65.
L. Weber, et al., “Synthesis, structure, and properties of luminescent diazaborole and indole systems”, CHEMISTRY OF HETEROCYCLIC COMPOUNDS, vol. 53, 2017, pp. 54-65.
Weber, L., Eickhoff, D., Chrostowska, A., Darrigan, C., Stammler, H.-G., Neumann, B.: Synthesis, structure, and properties of luminescent diazaborole and indole systems. CHEMISTRY OF HETEROCYCLIC COMPOUNDS. 53, 54-65 (2017).
Weber, Lothar, Eickhoff, Daniel, Chrostowska, Anna, Darrigan, Clovis, Stammler, Hans-Georg, and Neumann, Beate. “Synthesis, structure, and properties of luminescent diazaborole and indole systems”. CHEMISTRY OF HETEROCYCLIC COMPOUNDS 53.1 (2017): 54-65.