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我们曾报道三茂稀土-氢化钠体系能还原烯烃和催化烯烃异构化,并发现反应活性与三价稀土离子半径有关;在(C_5H_4CH_2CH_2CH_2C_5H_4)LnX·THF-NaH体系中,不同σ配体对还原烯烃也有明显影响。这里我们将报道L_2YCl·(THF)_n-NaH体系还原烯烃的结果,以及不同π配体和反应条件对该体系还原烯烃能力的影响。
We have reported that MMA rare earth-sodium hydride system can reduce olefins and catalyze the isomerization of olefins and found that the reactivity is related to the trivalent rare earth ion radius. In the (C_5H_4CH_2CH_2CH_2C_5H_4) LnX · THF-NaH system, Olefins also have a significant effect. Here we report the results of reduction of olefins by L_2YCl · (THF) _n-NaH system and the effect of different π ligands and reaction conditions on the ability of the system to reduce olefins.