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Updated: May 19, 2026

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One-step access to luminescent pentaaryldiazaboroles via C-C double bond formation from imidoylstannanes
Dawei Tian1, Jiang Jiang, Hongfan Hu
1State Key Laboratory of Elemento-Oganic Chemistry, Nankai University, Tianjin 300071, People's Republic of China.
Abstract:
A series of pentaaryl-substituted diazaboroles have been prepared for the first time by a novel strategy based on the C-C double bond formation from imidoylstannane reagents in the presence of dibromophenylboranes. The aryl substituents on the 4,5-position of the planar C(2)N(2)B core have substantial effects on their electronic structures. All the new diazaboroles are luminescent both in solution and in the solid state. DFT calculations indicate the 4,5-C-aryl substituents have significant contributions to the LUMOs.
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