Epoxy-based polymeric probe bearing trifluoroacetyl azobenzene units: Selective colorimetric sensing of aliphatic primary amines

Author(s): Samaresh Ghosh, Rajkumar Manna

A simple epoxy-based polymer 1 bearing trifluoroacetyl azobenzene reporter groups is shown to be colorimetric probe for the sensitive and selective discrimination of amine analytes. The titled polymer 1 displayed selectivity for unbranched aliphatic primary amine such as n-propylamine over other amines examined. The color of 1 changes from red-orange to yellow on addition of n-propylamine in THF solution, which can be detected by the naked eye.

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