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本文研究了在Me_3NO存在下Ru_3(CO)_11L(L=PPh_3,PBu_3~n)的CO取代反应动力学,并提出了可能的机理.Ru_3(CO)_11L中的CO被配体L取代生成Ru_3(CO)_9L_3,其中L分别联到三个不同的Ru原子上.对于L=PPh_3,r=(k_1+k_2[M_3NO])[Ru_3(CO)_11L];L=PBu_3~n,r=(k_1+k_2[PBu+3~n])[Ru_3(CO)_11L).所提出的机理除了涉及简单的离解机理外.还存在着按缔合机理进行的简单CO热取代与Me_3NO对Ru_3(CO)_11L中羰基碳的进攻.
In this paper, the CO substitution reaction kinetics of Ru_3 (CO) _11L (L = PPh_3, PBu_3 ~ n) in the presence of Me_3NO was studied and the possible mechanism was proposed. CO in Ru_3 (CO) _11L was substituted by ligand L to produce Ru_3 (CO) _9L_3, where L is connected to three different Ru atoms respectively. For L = PPh_3, r = (k_1 + k_2 [M_3NO]) [Ru_3 (CO) _11L]; L = PBu_3 ~ n, r = In addition to the simple dissociation mechanism, the simple mechanism of CO substitution and the substitution of Me_3NO for Ru_3 (CO ) _11L carbonyl carbon offensive.