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Biological activities of phthalocyanines-X. Syntheses and analyses of sulfonated phthalocyanines

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Publication date
1988
Author(s)
Ali, Hasrat; Langlois, Réjean; Wagner, Richard J.; Brasseur, Nicole; Paquette, Benoit; Van Lier, Johannes E.
Editor(s)
Université de Sherbrooke. Laboratoire des sciences des radiations
Subject
Phthalocyanines
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Abstract
Synthetic methods to obtain selectively sulfonated metallo phthalocyanines are compared. Both condensation and direct sulfonation procedures lead to mixtures of mono- to tetrasulfonated products which are resolved by reverse phase liquid chromatography in buffered aqueous-methanol. The proportion of sulfonated derivatives is examined as a function of the starting reagents in the case of the condensation method. and as a function of the temperature and reaction time in the case of the direct sulfonation procedure. The number of sulfonate groups per phthalocyanine molecule is determined by oxidative degradation of the phthalocyanine ring followed by quantitative chromatographic analysis of the sulfophthalamide and phthalamide fragments.
URI
http://hdl.handle.net/11143/6759
Collection
  • Médecine et sciences de la santé – Articles de périodiques [277]

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