Near-infrared electrochemiluminescence in water through regioselective sulfonation of diaza [4] and [6]helicene dyes | Zendy

Haidong Li | Zendy; Romain Duwald | Zendy; Simon Pascal | Zendy; Silvia Voci | Zendy; Céline Besnard | Zendy; Johann Bosson | Zendy; Laurent Bouffier | Zendy; Jérôme Lacour | Zendy; Nešo Šojić | Zendy

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Near-infrared electrochemiluminescence in water through regioselective sulfonation of diaza [4] and [6]helicene dyes

Author(s) -

Haidong Li,

Romain Duwald,

Simon Pascal,

Silvia Voci,

Céline Besnard,

Johann Bosson,

Laurent Bouffier,

Jérôme Lacour,

Nešo Šojić

Publication year - 2020

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/d0cc04156d

Subject(s) - helicene , electrochemiluminescence , regioselectivity , chemistry , photochemistry , organic chemistry , molecule , electrode , catalysis

A series of water-soluble helicene dyes generating intense electrochemiluminescence (ECL) signal in physiological conditions is reported. Those species were prepared using diaza [4] and [6]helicenes as structural cores modified with sulfonate groups in various positions. Such groups improve their water solubility and can induce a red-shifted emission. Efficient ECL up to the near-infrared is achieved in water, demonstrating a viable strategy for the design of new near-infrared ECL dyes for bioassays and microscopy.

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