Bifunctional copper(II) chelators from the coupling of the encapsulating ligand 1-methyl-8-amino-3,13,16-trithia-6,10,19-triazabicyclo[6.6.6]icosane (AMN3S3sar) with carboxylic acids; applications of the coupling agent DMT-MM

Add time:08/03/2019    Source:sciencedirect.com

Reaction of 1-methyl-8-amino-3,13,16-trithia-6,10,19-triazabicyclo[6.6.6]icosane (AMN3S3sar) with the amide coupling agent 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMT-MM) and 4-nitrobenzoic acid, the protected amine 4-(1,3-dioxoisoindolin-2-yl)benzoic acid and the tricarboxylic acid, benzene-1,3,5-tricarboxylic acid (trimesic acid) resulted in the three new ligands N3S3amideSarArNO2, N3S3amideSarAr, and (AMN3S3sar)3TMA. Two of the respective copper(II) complexes have been isolated and characterized.

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