Issue 16, 2007
From the journal:

Chemical Communications

Photochromism of 7-(N,N-diethylamino)-4′-hydroxyflavylium in a water–ionic liquid biphasic system

Fernando Pina,*a   A. Jorge Parola,a   Maria João Melo,ab   César A. T. Laiaa  and  Carlos A. M. Afonsoc  

* Corresponding authors

a REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
E-mail: fjp@dq.fct.unl.pt
Fax: +351212948550
Tel: +351212948355

b Departamento de Conservação e Restauro, Universidade Nova de Lisboa, Caparica, Portugal

c CQFM, Departamento de Engenharia Química, Instituto Superior Técnico, Lisboa, Portugal

Abstract

Photochromism of trans-4-(N,N-diethylamino)-2,4′-dihydroxychalcone, with formation of the photoproduct 7-(N,N-diethylamino)-4′-hydroxyflavylium, is promoted in the ionic liquid phase of a water/[bmim][PF6] biphasic system.

Graphical abstract: Photochromism of 7-(N,N-diethylamino)-4′-hydroxyflavylium in a water–ionic liquid biphasic system

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Article information

DOI
https://doi.org/10.1039/B618169D
Article type
Communication
Submitted
13 Dec 2006
Accepted
22 Jan 2007
First published
08 Feb 2007

Chem. Commun., 2007, 1608-1610

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Photochromism of 7-(N,N-diethylamino)-4′-hydroxyflavylium in a water–ionic liquid biphasic system

F. Pina, A. J. Parola, M. J. Melo, C. A. T. Laia and C. A. M. Afonso, Chem. Commun., 2007, 1608 DOI: 10.1039/B618169D

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