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Journal Articles Tetrahedron Letters Year : 2019

Versatile transamination in quinonediimine chemistry: Towards a novel class of water soluble UV/violet chromophores

Abstract

Transamination reactions occurring on 2,5-diaminobenzoquinonediimine (QDI) in presence of ethylenediamine yields fluorescent 1,2,3,4-tetrahydropyrazino[2,3-g]quinoxaline (1). When the same reaction is carried out with N,N'-bis(aminoethyl)-1,3-propanediamine, a novel cationic quinoxalinium species (2) is isolated, which can be further condensed to a benzaldehyde derivative to afford a benzimidazolo-fused quinoxaline dye (3) that is a water-soluble fluorophore in the UV-visible range.
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Dates and versions

hal-02270577 , version 1 (31-01-2020)

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Zhongrui Chen, Maxime Bert, Simon Pascal, Gabriel Canard, Olivier Siri. Versatile transamination in quinonediimine chemistry: Towards a novel class of water soluble UV/violet chromophores. Tetrahedron Letters, 2019, pp.151024. ⟨10.1016/j.tetlet.2019.151024⟩. ⟨hal-02270577⟩
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