Synthesis of two asymmetric half-salen imine-type ligands as precursors of polynuclear metal complexes

¹ Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, 15782, Spain
² Departamento de Química Inorgánica, Facultade de Ciencias, Universidade de Santiago de Compostela, Lugo, 27002, Spain

Published: 03 November 2017 by MDPI in The 21st International Electronic Conference on Synthetic Organic Chemistry session Polymer and Supramolecular Chemistry

https://doi.org/10.3390/ecsoc-21-04752

Abstract:

Herein we report the synthesis and characterization of two asymmetric [NNO] tridentate imine ligands (H₂L¹ and H₂L²) functionalized with two hydroxyl groups and a bulky dansyl moieity. The existence of two hydroxyl substituents able to form bridges between metal ions make both molecules suitable as precursors of metallosupramolecular polynuclear species.

Keywords: Imine-type ligands, dansyl fluorophore, polynuclear complexes

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