Chain growth reaction process using zinc alkyls

C - Chemistry – Metallurgy – 07 – F

Patent

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C07F 3/06 (2006.01) C07C 2/58 (2006.01) C07C 29/54 (2006.01)

Patent

CA 2456711

A process is disclosed for the preparation of zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl, wherein the chain growth catalyst system employs a group 3-10 transition metal, or a group 3 main group metal, or a lanthanide or actinide complex, and optionally a suitable activator. The products can be further converted into alpha-olefins by olefin displacement of the grown alkyls as alpha-olefins from the zinc alkyl chain growth product, or into primary alcohols, by oxidation of the resulting zinc alkyl chain growth product to form alkoxide compounds, followed by hydrolysis of the alkoxides.

L'invention concerne un procédé destiné à préparer des produits de croissance de chaîne alkyle de zinc au moyen d'une réaction de croissance de chaîne catalysée d'une alpha-oléfine sur un alkyle de zinc, le système catalyseur de croissance de chaîne utilisant un métal de transition du groupe 3-10, un métal du groupe principal 3, un lanthanide ou un complexe actinide, et éventuellement un activateur approprié. Les produits peuvent, en outre, être convertis en alpha-oléfines par déplacement d'oléfines des alkyles cultivés comme les alpha-oléfines provenant du produit de croissance de chaîne alkyle de zinc, ou dans des alcools primaires, par oxydation du produit de croissance de chaîne alkyle de zinc obtenue afin de former des composés alcoxydes, puis par hydrolyse des alcoxydes.

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