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. 2022 Sep 5;15(9):1107. doi: 10.3390/ph15091107

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Scheme 1 — Synthetic scheme for the preparation of the complexes investigated in this study. NN = relevant bidentate diamine ligand; L = pyridine (py) or N-methyl imidazole (MeIm). General conditions: i: Et₄NBr, diglyme; ii: NN, ethanol/water, toluene, or CH₂Cl₂; iii: L, methanol or neat L; iv: Br₂, CH₂Cl₂; v: tetrakis(dimethylamino)ethylene, acetonitrile, under N₂; vi: tetrakis(dimethylamino)ethylene, CH₂Cl₂, under N₂. For more details, refer to Section 4.