Communications

Piperidine- and 2-(p-tolyl)piperidine-derived DAPhen ligands: the aryl substituent unexpectedly suppresses the extraction efficiency

V. S. Petrov, R. V. Zonov, P. S. Lemport, M. V. Evsiunina, P. I. Matveev, V. A. Roznyatovsky, Yu. A. Ustynyuk, V. G. Nenajdenko

Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation

Abstract: New piperidine- and 2-(p-tolyl)piperidine-derived phenanthroline diamides were synthesized, and their extraction efficiency toward Eu/Am pair was studied. The introduction of aryl substituent suppresses the extraction efficiency of such ligands from acidic solutions. The experimental results are in good agreement with DFT calculations.

Keywords: phenanthroline, N,O-donor ligand, americium, europium, solvent extraction, quantum-chemical calculations.

Received: 20.01.2025
Accepted: 17.03.2025

Language: English

DOI: 10.71267/mencom.7728

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