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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Visinescu, Claudia
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article
The structural chemistry of titanium alkoxide derivatives with OH-substituted bidentate ligands
Abstract
<jats:sec> <jats:title>Abstract</jats:title> <jats:p>The organically modified titanium alkoxides Ti<jats:sub>2</jats:sub>(O<jats:italic>i-</jats:italic>Pr)<jats:sub>4</jats:sub>(OOCCMe<jats:sub>2</jats:sub>O)<jats:sub>2</jats:sub>(<jats:italic>i-</jats:italic>PrOH)<jats:sub>2</jats:sub> and Ti<jats:sub>4</jats:sub>(O<jats:italic>i-</jats:italic>Pr)<jats:sub>4</jats:sub>(SA)<jats:sub>6</jats:sub> were obtained from the reaction of Ti(O<jats:italic>i-</jats:italic>Pr)<jats:sub>4</jats:sub> with 2-hydroxy-isobutyric acid and salicyladoxime (SA-H<jats:sub>2</jats:sub>), respectively. Reaction of 1,3-dibenzoyl acetone (DBA-H) did not result in a substituted titanium alkoxide derivative, but instead in the oxo cluster Ti<jats:sub>4</jats:sub>O<jats:sub>2</jats:sub>(O<jats:italic>i-</jats:italic>Pr)<jats:sub>8</jats:sub>(DBA)<jats:sub>2</jats:sub> after allowing moisture to diffuse into the reaction mixture. The three titanium compounds show common structural features which are different to derivatives void of ligand OH groups. The latter play a decisive role in coordinating the ligands to the titanium centers.</jats:p> </jats:sec><jats:sec> <jats:title>Graphic abstract</jats:title></jats:sec>