Zsolt Baranyai

Evaluation of Structurally Related Acyclic Ligands OBETA, EHDTA, and EGTA for Stable Mn²⁺ Complex Formation In recent years, significant research efforts have been dedicated to finding efficient and safe alternatives to the currently used gadolinium (Gd)-based MRI contrast agents. Among the most explored alternatives are paramagnetic chelates of the earth-abundant Mn²⁺, which form a prominent class of metal complexes.

EHDTA: a green approach to efficient Ln3+-chelators The rich coordination chemistry of lanthanoid ions (Ln3+) is currently exploited in a vast and continuously expanding array of applications. Chelating agents are central in the development of Ln3+-complexes and in tuning their physical and chemical properties. Most chelators for Ln3+-complexation are derived from the macrocyclic DOTA or from the linear DTPA platforms, both of which arising from fossil-based starting materials.

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