Synthesis of new fluorescent amino acids with a triazolopyridine core: diacid sensors†
R.
Ballesteros-Garrido, 
*ab
R.
Ballesteros
a
and
*ab
R.
Ballesteros
a
and
Abstract
A new family of amino acid containing pyridine–triazolopyridine cores has been prepared by means of a copper catalysed reaction. These compounds exhibit an intense emission that has been employed to sense the distance between two carboxylic acids in a linear molecule, from oxalic to glutaric acids.
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