Abstract
The hitherto unknown complexes, [M2(CO)6(μ-CO)(μ-L)], [M = Cr; 1, Mo; 2, W; 3] and [M2(CO)6(μ-CO)(μ-L′)], [M = Cr; 4, Mo; 5, W; 6] have been synthesized by the photochemical reactions of photogenerated intermediate, M(CO)5THF (M = Cr, Mo, W) with thio Schiff base ligands, N,N′-bis(2-aminothiophenol)-1,4-bis(2-carboxaldehydephenoxy)butane (H 2 L) and N,N′-bis(2-aminothiophenol)-1,7-bis(2-formylphenyl)-1,4,7-trioxaheptane (H 2 L′). The complexes have been characterized by elemental analysis, LC-mass spectrometry, magnetic studies, FT-IR and 1H NMR spectroscopy. The spectroscopic studies show that H 2 L and H 2 L′ ligands are converted to benzothiazole derivatives, L and L′ after UV irradiation and coordinated to the central metal as bridging ligands via the central azomethine nitrogen and sulphur atoms in 1–6.
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Acknowledgements
We thank the Research Foundation of Dokuz Eylul and Dicle University for funds. We thank TUBITAK for allocation of time at the Mass Spectra and Elemental Analyses. We thank Ege University for obtaining 1H NMR spectra. This work was supported by Dokuz Eylul University, Project: 05.KB.FEN.019.
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Karahan, S., Kose, P., Subasi, E. et al. Photochemical reactions of M(CO)5THF (M = Cr, Mo, W) with thio Schiff bases. Transition Met Chem 33, 849–854 (2008). https://doi.org/10.1007/s11243-008-9121-8
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DOI: https://doi.org/10.1007/s11243-008-9121-8