摘要 |
<p>Butene-1 is obtained by dimerisation of ethylene in the presence of a catalyst mixture of titanium tetraalcoxide-trialkylaluminium in a hydrocarbon solvent and by subsequent rectification of a reaction mass prepared by means of dimerisation in the presence of a compound chosen from a group which includes aliphatic mono- and diatomic spirits, aliphatic simple and cyclic ethers, aliphatic ketones, amides of carbonic acids.</p> |