Abstract
Reaction of Pd(OAc)2 with HL1 and HL2 (HL1=6-iso-propyl-2,2′-bipyridine; HL2=6-neo-pentyl-2,2′-bipyridine), followed by treatment with LiCl or KI, gives [PdCl(L1)]2, (1), [PdCl(L2)]2 (2), and [PdI(L2)]2 (3), respectively. The chloride bridge in complexes1 and2 is split by PPh3 to give the mononuclear species PdCl(L1)(PPh3) (4) and PdCl(L2)(PPh3) (5). Spectroscopic data provide evidence for coordination of the deprotonated ligands through a nitrogen and the C(3) atom of the 6-substituted pyridine. An analogous platinum complex PtCl(L3)(SMe2) (6) (HL3=6-tert-butyl-2,2′-bipyridine) was obtained from trans-PtClMe(SMe2)2 and HL3. The crystal structures of compounds1 and6 have been solved by X-ray diffraction analysis.
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Dipartimento di Chimica, Universita di Sassari, via Vienna 2, I-07100 Sassari, Italy; Dipartimento di Chimica Strutturale e Stereochimica Inorganica, Universita di Milano, Centro CNR, I-20133 Milano, Italy; Published in Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1127–1137, August, 1999.
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Minghetti, G., Doppiu, A., Zucca, A. et al. Palladium(II) and platinum(II)-C(3)-substituted 2,2′-bipyridines. Chem Heterocycl Compd 35, 992–1000 (1999). https://doi.org/10.1007/BF02252169
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DOI: https://doi.org/10.1007/BF02252169