作者:Mario Carrasco、Riccardo Peloso、Irene Resa、Amor Rodríguez、Luis Sánchez、Eleuterio Álvarez、Celia Maya、Rafael Andreu、Juan José Calvente、Agustín Galindo、Ernesto Carmona
DOI:10.1021/ic200816f
日期:2011.7.4
tetrametallic complexes [Zn2(η5-C5Me5)L(μ-OC5Me5)]2 (L = pyr-py, 6; DBU, 8), respectively. The bulkier terphenyloxide ArMesO– group (ArMes = 2,6-(2,4,6-Me3C6H2)2-C6H3) gives instead the dimetallic compound [Zn2(η5-C5Me5)(OArMes)(pyr-py)2], 7, that features a terminal Zn–OArMes bond. DFT calculations on models of 6–8 and also on the Zn–Zn-bonded complexes [Zn2(η5-C5H5)(OC5H5)(py)2] and [(η5-C5H5)ZnZn(py)3]+
尝试制备包含大体积C 5 Me 5和三联苯基[Zn 2(C 5 Me 5)(Ar')]的混合配体锌-锌键合的化合物会导致歧化。将所得的半夹心的Zn(II)配合物[(η 5 -C 5我5)ZnAr'](AR'= 2,6-(2,6-我镨2 ç 6 ħ 3)2 -C 6 H ^ 3,2 ; 2,6-(2,6-Me 2 C 6 H 3)2 -C 6 H 3,3)也可以从[锌(C的反应来获得5我5)2 ]与相应的骗子'。在PYR-PY(4-吡咯烷基吡啶),或DBU存在(1,8-二氮杂双环[5.4.0]十一碳-7-烯),[锌2(η 5 -C 5我5)2 ]以C发生反应5我5 OH,得到tetrametallic配合物[锌2(η 5 -C 5箱5)L(μ-OC 5箱5)] 2(L = PYR-PY,6 ; DBU,8), 分别。笨重terphenyloxide氩的Mes ø -基(Ar的Mes = 2,6-(2