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The structures of the titanium alkoxides are often complex. Crystalline titanium methoxide is tetrameric with the molecular formula Ti4(OCH3)16. Alkoxides derived from bulkier alcohols such isopropanol aggregate less. Titanium isoproxide is mainly a monomer in nonpolar solvents. It is a diamagnetic tetrahedral molecule.
Additional recommended knowledge
Titanium isoproxide reacts with water to deposit titanium dioxide:
This reaction is employed in the sol-gel synthesis of TiO2-based materials. Typically water is added to a solution of the alkoxide in an alcohol. The nature of the inorganic product is determined by the presence of additives (e.g. acetic acid), the amount of water, and the rate of mixing.
Titanium isoproxide is a component of the Sharpless epoxidation, a method for the synthesis of chiral epoxides. The compound is also used as a catalyst for the preparation of certain cyclopropanes in the Kulinkovich reaction. Prochiral thioethers are oxidized enantioselectively using catalyst derived from Ti(O-i-Pr)4.
Titanium(IV) isopropoxide is a widely used item of commerce and has acquired many names in addition to those listed in the table. A sampling of the names include: titanium(IV) i-propoxide, isopropyl titanate, tetraisopropyl titanate, tetraisopropyl orthotitanate, titanium tetraisopropylate, orthotitanic acid tetraisopropyl ester, Isopropyl titanate(IV), titanic acid tetraisopropyl ester, isopropyltitanate, titanium(IV) isopropoxide, titanium tetraisopropoxide, iso-propyl titanate, titanium tetraisopropanolate, tetraisopropoxytitanium(IV), tetraisopropanolatotitanium, tetrakis(isopropoxy) titanium, tetraksi(isopropanolato) titanium, titanic acid isopropyl ester, titanic acid tetraisopropyl ester, titanium isopropoxide, titanium isopropylate, tetrakis(1-methylethoxy)titanium.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Titanium_isopropoxide". A list of authors is available in Wikipedia.|