Acid activation of titanium alkoxide systems: structural characterisation of Ti(IV) sulfonyl-imide complexes
Johnson, A., Davidson, M. G., Jones, M. D. and Lunn, M. D., 2010. Acid activation of titanium alkoxide systems: structural characterisation of Ti(IV) sulfonyl-imide complexes. Inorganica Chimica Acta, 363 (10), pp. 2209-2214.
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Treatment of [Ti((OPr)-Pr-i)(4)] with the sulfonyl-imine systems Tos(2)NH ([(p-Me-C6H4SO2)(2)NH]) and Tf2NH ([(CF3SO2)(2)NH]) results in the formation of the new Lewis acidic titanium sulfonyl-imide complexes [Ti((OPr)-Pr-i)(2)(O,O'-Tos(2)N)(2)] (1) and [Ti((OPr)-Pr-i)(2)((HOPr)-Pr-i)(2)(O-Tf2N)(2)] (2), respectively. The molecular structures of the complexes have been determined by single crystal X-ray diffraction. The reaction of [Ti((OPr)-Pr-i)(3)(OAr)] (Ar = 2,6-di-tert-butyl-4-methyl phenyl) with Tf2NH results in the formation of the dimeric complex [Ti((OPr)-Pr-i)(3)(O,O'-Tf2N)](2) (3), which has also been structurally characterised. The ability of the complexes to catalyst the Friedel-Crafts acylation of anisole has also been assessed.
|Creators||Johnson, A., Davidson, M. G., Jones, M. D. and Lunn, M. D.|
|Uncontrolled Keywords||structure,catalysis,coordination,titanium,lewis acid,alkoxide|
|Departments||Faculty of Science > Chemistry|
|Research Centres||Centre for Sustainable Chemical Technologies|
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