摘要 : Hexafluorophate ionic liquids have been applied as catalyst phase in the selective,biphasic oligomerization of ethylene to 1-olefins with the catonic Ni-complex (eta~3-methallyl)[bis(diphenylphsphino)methane-monoxide-kappa~2-P,O]n... 展开 Hexafluorophate ionic liquids have been applied as catalyst phase in the selective,biphasic oligomerization of ethylene to 1-olefins with the catonic Ni-complex (eta~3-methallyl)[bis(diphenylphsphino)methane-monoxide-kappa~2-P,O]nickel(II)hexafluoroantimonate [(mall)Ni-(dppmO)][SbF_6].The biphsic reaction moe opens up the possibility for effectie catalyst recycling and offers additionally an interesting way to enhance catalytic activity.Moreover,a remarkable influence of thebiphasic reaciton mode-which is enabled for the first time usign the ioni iquid catalyst phase-on the product selectivity is observed.interestingly,slight modifictions of theionic liquid's caton give access to a further tuning of the product distribution.Moreover,the results of our efforts to optimize the reactor design for the specific needs of this biphasic reactions and some recyclign experiments arepresented. 收起