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oai:docta.ucm.es:20.500.14352/1119882025-03-18T13:52:46Zcom_20.500.14352_14col_20.500.14352_15

Intrinsically chiral paddlewheel diruthenium complexes Coloma Manjón-Cabeza, Isabel Herrero Domínguez, Santiago Cortijo Montes, Miguel 546 Química inorgánica (Química) 2303 Química Inorgánica A family of heteroleptic paddlewheel diruthenium complexes has been designed to obtain a chiral arrangement of the donor atoms of their equatorial ligands around the metal–metal bond axis. In order to do so, the non-symmetric ligands 2-hydroxy-6-methylpyridinate (hmp) and 2-amino-6-methylpyridinate (amp) were employed to obtain the following four axially chiral compounds: cis-[Ru2Cl(μ-DPhF)2(μ-hmp) (μ-OAc)] (Ruhmp), cis-[Ru2Cl(μ-DPhF)2(μ-amp)(μ-OAc)] (Ruamp), cis-[Ru2Cl(μ-DAniF)2(μ-hmp)(μ-OAc)] (Ru′ hmp) and cis-[Ru2Cl(μ-DAniF)2(μ-amp)(μ-OAc)] (Ru′amp) (DPhF = N,N′-diphenylformamidinate, DAniF = N, N′-bis(p-methoxyphenyl)formamidinate). All the compounds were studied by single crystal X-ray diffraction, confirming that a racemic mixture containing only one of the two possible regioisomers was obtained in all cases. A general nomenclature system for naming the full configuration of intrinsically chiral paddlewheel molecules is proposed using the C/A convention. In addition, electronic spectroscopy and cyclic voltamperometry data demonstrate the electronic tunable nature of this new platform. Overall, these results provide a novel example of robust and tunable chirality, which is of potential interest to be further exploited. Depto. de Química Inorgánica Fac. de Ciencias Químicas TRUE pub 2024-12-03T14:11:47Z 2024-12-03T14:11:47Z 2024-11-13 journal article VoR https://hdl.handle.net/20.500.14352/111988 XXXX-XXXX 10.1039/D4CE01040J eng CrystEngComm, 2024, 26, 6739 Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ open access application/pdf Royal Society of Chemistry