Synthesis and structure of a dithioether-substituted butene-2-olide-4-ylidene-4 cobalt carbonyl complex |
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Authors: | László Markó Giuliana Gervasio Sándor Vastag |
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Affiliation: | (1) Research Group for Petrochemistry of the Hungarian Academy of Sciences, H-8200 Veszprém, Hungary;(2) Dipartimento di Chimica Inorganica, Chimica Fisica e Chimica dei Materiali, Università di Torino, I-10125 Torino, ltaly;(3) Department of Organic Chemistry, University of Veszprém, H-8200 Veszprém, Hungary |
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Abstract: | The complex (1) has been prepared and its structure determined. Complex1 is the first stable thioether derivative of a metal carbonyl containing only cobalt as metal. It crystallizes in the monoclinic P21/c space group, witha = 13.975( 4 ),b = 11.363( 3 ),c = 14.686(2)A, = 112.25(2)°,V = 2158.5(7)A3.Z = 4. The solution using direct methods and the anisotropic refinement of all nonhydrogen atoms led toR = 0.039,wR = 0.041 for 3296 reflections with F> 4.0(F) Analogous but less stable complexes are formed with 1,6-diphenyl-2,5-dithiahexane and the crown thioether 1,4,7-trithiacyclonane, the latter functioning either as a bidenlate or a tridentate ligand. |
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Keywords: | Coball carbonyl dithioether crown thioether bridging carbene |
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