Photochromism of the synthetic 4',7-dihydroxyflavylium chloride

The synthetic compound 4',7-dihydroxyflavylium chloride shows an interesting photochronic effect at moderately acidic pHvalues. Pale yellow solutions of this compound, equilibrated in the dark atpH3.4, become bright yellow upon irradiation with 313-nm light. Switching off the light, gives back...

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Bibliographic Details
Main Author: Figueiredo, Paulo (author)
Other Authors: Lima, João Carlos (author), Santos, Helena (author), Wigand, Marie-Claude (author), Brouillard, Raymond (author), Maçanita, António (author), Pina, Fernando (author)
Format: article
Language:eng
Published: 2012
Subjects:
Online Access:http://hdl.handle.net/10884/498
Country:Portugal
Oai:oai:repositorio-cientifico.uatlantica.pt:10884/498