Delocalized cationic azo dyes containing a thiazole moiety
authors Salvador, MA; Reis, LV; Almeida, P; Santos, PF
journal TETRAHEDRON
author keywords cationic azo dyes; thiazole; PDT; solvatochromism
keywords PHOTODYNAMIC THERAPY; (DIALKYLAMINO)THIAZOLE DIMERS; ABSORPTION-SPECTRA; PHOTOSENSITIZERS; EFFICIENCY; CYANINES; CELLS
abstract Several new delocalized cationic azo dyes incorporating a bathochromic thiazole moiety have been prepared in moderate to good yields. The synthesis involved the Knoevenagel condensation of an intermediate azo Compound, hearing a terminal formyl group, with methylenic bases generated in situ from benzoazolium and quinolinium salts. All dyes display strong absorption around 700 nut and have shown negative solvatochromic behaviour. (c) 2007 Elsevier Ltd. All rights reserved.
publisher PERGAMON-ELSEVIER SCIENCE LTD
issn 0040-4020
year published 2008
volume 64
issue 2
beginning page 299
ending page 303
digital object identifier (doi) 10.1016/j.tet.2007.11.004
web of science category Chemistry, Organic
subject category Chemistry
unique article identifier WOS:000252820700002
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journal analysis (jcr 2017):
journal impact factor 2.377
5 year journal impact factor 2.255
category normalized journal impact factor percentile 60.526
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