Method of manufacturing methylidene-group-containing .alpha.,.om

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By addition of entire unsaturated molecules – e.g.,...

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585506, 585507, 585511, C07C 246

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053068564

ABSTRACT:
A method of manufacturing methylidene-group-containing .alpha.,.omega.-unsaturated oligomers from .alpha.,.omega.-diolefins in the presence of a catalytic amount of organoaluminum compounds, wherein the .alpha.,.omega.-diolefins are reacted in the liquid phase, at 150.degree.-350.degree. C., and the organoaluminum compounds have formula AlX.sub.3 or AlX.sub.2 H, where X represents an aliphatic, alicyclic, or aromatic hydrocarbon group with 1-30 C atoms. The higher molecular weight hydrocarbons manufactured according to this method are substantially linear oligomers which contain reactive double bonds.

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