The molecules of colour. New structural derivatives from indigo: tryptanthrin and indirubin
Carla Cunha,
J. Sérgio Seixas de Melo
Abstract:Two compounds, which are structurally related to indigo, tryptanthrin and indirubin, are here described in the context of recent findings in this new chapter of the Molecules of Colour. The two are naturally occurring compounds, with diversified applications. Indirubin, the red isomer of the blue indigo, shows, in comparison with indigo, a more efficient radiationless decay process, whose mechanism has been recently detailed and constitutes a step forward in the complexity of indigo’s deactivation and associat… Show more
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