Syntheses and Structures of Facial and Meridional Stereoisomers of kappa(2)-N,S-Chelated Ruthenium Borate Complexes - Université de Rennes Accéder directement au contenu
Article Dans Une Revue European Journal of Organic Chemistry Année : 2023

Syntheses and Structures of Facial and Meridional Stereoisomers of kappa(2)-N,S-Chelated Ruthenium Borate Complexes

Résumé

The trans-mer-[(kappa(2)-N,S-NS2C7H4)PR3Ru{kappa(3)-H,S,S '-H2B (NS2C7H4)(2)}], (trans-mer-1 a: R=Cy; trans-mer-1 b: R=Ph) complexes are kinetically controlled products that upon thermolysis led to the formation of cis-mer-[(kappa(2)-N,S-NS2C7H4)PR3Ru{kappa(3)-H,S,S '-H2B(NS2C7H4)(2)}], (cis-mer-2 a: R=Cy; cis-mer-2 b: R=Ph) and cis-fac-[(kappa(2)-N,S-NS2C7H4)PR3Ru{kappa(3)-H,S,S '-H2B(NS2C7H4)(2)}], (cis-fac-3 a: R=Cy; cis-fac-3 b: R=Ph) along with complex cis-[(kappa(2)-N,S-NS2C7H4)(2)Ru(PPh3)(2)], (cis-4). One of the main intentions of this study was to examine the flexibility of the borate and hemilabile N,S-chelating mercapto-benzothiazole ligands in adapting different spatial arrangements around metal center. Multinuclear spectroscopic analyses have been done to characterize all new complexes and the structures were further confirmed by single-crystal X-ray diffraction analysis. Further, Density Functional Theory (DFT) calculations were performed to provide an insight into the bonding of the complexes.
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hal-04057787 , version 1 (11-05-2023)

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Paternité - Pas d'utilisation commerciale

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Asif Ahmad, Suvam Saha, Mohammad Zafar, Thierry Roisnel, Prasanta Ghosh, et al.. Syntheses and Structures of Facial and Meridional Stereoisomers of kappa(2)-N,S-Chelated Ruthenium Borate Complexes. European Journal of Organic Chemistry, 2023, 26 (9), pp.e202201283. ⟨10.1002/ejoc.202201283⟩. ⟨hal-04057787⟩
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