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Towards the Development of Colorimetric Probes to Discriminate between Isomeric Dicarboxylates
Author(s) -
Sancenón Felix,
MartínezMáñez Ramón,
Miranda Miguel Angel,
Seguí MariaJesus,
Soto Juán
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200390178
Subject(s) - magenta , naked eye , chemistry , ion , colorimetry , chromatography , detection limit , organic chemistry , materials science , inkwell , composite material
Discrimination of isomeric anions : The selective, shape‐controlled colorimetric sensing of dicarboxylate ions has been achieved and represents a development in the “naked‐eye” detection of certain organic isomers. The photograph shows the diverse colors of solutions of a 1,3,5‐triarylpent‐2‐en‐1,5‐dione in dioxane/water solution (70:30 v/v) at approximately pH 6, in the presence of either maleate ( cis isomer, magenta) or fumarate ( trans isomer, yellow) ions.