| 摘要 |
<p>1401714 Dimerisation catalysts GOODYEAR TIRE & RUBBER CO 2 Feb 1973 [9 March 1972] 5231/73 Heading B1E [Also in Division C5[ A dimerisation catalyst comprises:-(A) an alkyl metal halide of Al, In, B or Ga, (B) an amine or N-heterocyclic ligand and (C) the reaction product of a tungsten halide or oxyhalide and a phenolic compound. Catalysts used in the Examples comprise (A) Et 3 Al 2 Cl 3 . (B) aniline and (C) the reaction products of WCl 6 and the following compounds: salicyl aldehyde, methyl salicylate, phenol, salicylic acid, 2-hydroxybenzophenone, butyl salicylate, 4-chloro phenol, 2-methyl phenol, 2- bromo phenol and 3-chloro phenol.</p> |
