| http://www.w3.org/ns/prov#value | - Suitable solvents for the preparation both of the novel supported chemical compound and of the novel catalyst system are aliphatic or aromatic solvents, for example hexane or toluene, ether solvents, for example tetrahydrofuran or diethyl ether, or halogenated hydrocarbons, for example methylene chloride or halogenated aromatic hydrocarbons such as, for example, o-dichlorobenzene.
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