A New Chromo-chemodosimeter Selective for Sulfide Anion
Journal of the American Chemical Society2003Vol. 125(30), pp. 9000–9001
Citations Over TimeTop 10% of 2003 papers
Abstract
A new chromo-chemodosimeter for the anion sulfide in aqueous environments has been developed. The recognition concept is based on a pyrylium-thiopyrylium transformation that is conveniently drawn toward "color chemistry" concepts by means of the anchoring of an aniline group. This causes the color of the aniline-pyrylium backbone in L1 to change selectively from magenta to blue when transformed to the corresponding aniline-thiopyrylium in the presence of the sulfide anion. The method is simple and easy, suggesting potential applications in a variety of different environments where easy and rapid determination of sulfide might be required.
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