The reaction of thiophenoxide with amino-substituted chloro-cyclotriphosphazenes |
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Authors: | Hanife bi o lu, Hakan Dal, Tuncer H kelek, Adem K l , lker Ü n,Sinan Vard |
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Affiliation: | aDepartment of Chemistry, Gebze Institute of Technology, Gebze 41400, Kocaeli, Turkey;bDepartment of Chemistry, Anadolu University, Eskişehir 26470, Turkey;cDepartment of Physics, Hacettepe University, Beytepe, Ankara 06800, Turkey |
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Abstract: | In the present work, a series of aminocyclotriphosphazene containing sulfur group compounds have been synthesised and characterised by elemental analysis, mass (MS), 1H and 31P NMR spectroscopies. The formation of thiophenoxy-substituted aminocyclotriphosphazenes could be explained by different mechanisms based on primary or secondary amino-substituted cyclotriphosphazenes. Compounds 3, 5 and 7 could be formed by a proton abstraction-chloride elimination and 9, 11 and 13 may be constituted both the SN2 and SN1 reaction mechanisms, respectively. These mechanisms are supported by the crystal structures of 5 and 13. Molecular and crystal structures of 5 and 13 have been characterised by X-ray crystallography. The structures of 5 and 13 are monoclinic and have space groups P21/n. |
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Keywords: | 31P NMR Aminocyclotriphosphazene Hexachlorocyclotriphosphazatriene Thiophenol Reaction mechanism |
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