Abstract: The present invention relates to compounds of formula (I): A-T-Z??(I) in which: the group A is a bipyridine group capable of complexing at least one metal element; the group T is a triazole group directly bound to the group A; and the group Z is a halogen atom, a nitro group, a cyano group, an alkyl group, an aryl group, a heterocyclic group, a group of formula —NR1R2, a group of formula —SR1, a group of formula —S(?O)2(OR1), a group of formula —O—S(?O)2(OR1), a group of formula —O—S(?O)2(R1), a group of formula —S(?O)(OR1), a group of formula —S(?O)(R1), a group of formula —S(?O)2R1, a group of formula —PR1R2, a group of formula —P(?O)(OR1)(OR2), a group of formula —O—P(?O)(OR1)(OR2), a group of formula —O—P(?O)(OR1)(R2), a group of formula —OR1 or a group of formula —CO—R1.

Abstract: The invention relates to compounds fitting the following formula (I): A-T-Z ??(I) wherein: A is a group capable of being complexing at least one metal element, selected from pyridine, bipyridine, phenanthroline or phthalocyanine groups; T is a triazole group directly bound to group A; Z is a halogen atom, a nitro group, a cyano group, an alkyl group, an aryl group, a heterocyclic group, a group of formula —NR1R2, a group of formula —SR1, a group of formula —S(?O)2(OR1), a group of formula —O—S(?O)2(OR1), a group of formula —O—S(?O)2(R1), a group of formula —S(?O) (OR1), a group of formula —S(?O) (R1), a group of formula —S(?O)2R1, a group of formula —PR1R2, a group of formula —P(?O) (OR1) (OR2) , a group of formula —O—P (?O) (OR1) (OR2), a group of formula —O—P(?O) (OR1) (R2), a group of formula —OR1or a group of formula —CO—R1, and R2, independently represent a hydrogen atom, an alkyl group or an aryl group, said alkyl or aryl groups being optionally substituted.