Unsaturated metallo-organic compounds derived from titanium...

C - Chemistry – Metallurgy – 07 – F

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C07F 7/28 (2006.01) C07C 57/04 (2006.01) C07F 7/00 (2006.01)

Patent

CA 2213784

New unsaturated metallo-organic compounds derived from titanium, based on the formula (I): (see fig. I) in which R represents a tert-butyl, tert-amyl or 2-ethylhexyl radical, are prepared by reacting methacrylic acid with a tetraalcoxytitanium compound based on the formula Ti(OR4) in which R represents an isopropyl or tert-butyl radical, to obtain a corresponding compound based on the formula (I), or with a compound based on the formula Ti(OR)(OtAm)3 in which R represents an isopropyl or tert-butyl radical and tAm a tert-amyl radical, to obtain a compound based on the formula (I) in which R represents a tert-amyl radical. The compounds based on the formula (I) in which R represents an isopropyl or tert-butyl radical represent intermediate synthesized products that can be reacted with tert-amyl alcohol or with 2-ethylhexanol to obtain a compound based on the formula (I) in which R represents a tert-amyl or 2-ethylhexyl radical. The new compounds based on the formula (I) are useful in the manufacture of polymers for use in formulating paints.

De nouveaux composés métallo-organiques insaturés dérivés du titane, répondant à la formule (I): (voir fig.I) dans laquelle R représente un radical tertiobutyle, tertioamyle ou 2-éthylhexyle, sont préparés en faisant réagir l'acide méthacrylique avec un tétraalcoxytitane de formule Ti(OR4) dans laquelle R représente un radical isopropyle ou tertiobutyle, pour obtenir un composé de formule (I) correspondant, ou avec un composé de formule Ti(OR)(OtAm)3 dans laquelle R représente un radical isopropyle ou tertiobutyle et tAm un radical tertioamyle, pour obtenir un composé de formule (I) dans laquelle R représente un radical tertioamyle. Les composés de formule (I) dans laquelle R désigne un radical isopropyle ou tertiobutyle représentent des produits intermédiaires de synthèse que l'on peut faire réagir avec l'alcool tertioamylique ou avec le 2-éthylhexanol, pour obtenir un composé de formule (I) dans laquelle R représente un radical tertioamyle ou 2-éthylhexyle. Les nouveaux composés de formule (I) sont utiles dans la fabrication de polymères pouvant entrer dans la formulation de peintures.

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