5-Pr(i)(2)) and features a strong Fe-eta(6)-aryl interaction with the flanking aryl ring of the terphenyl ligand. In sharp contrast, the reduction of ArCoCl}(2) (Ar = 3,5-Pr(i)(2)-Ar' and Ar') afforded the allyl complexes Co(eta(3)-1-(H(2)C)(2)C-C(6)H(3)-2-(C(6)H(2)-2,4-Pr(i)(2)-5-(C(6)H(3)-2,6-Pr(i)( 2)))-3-Pr(i)})(PMe(3))(3) (4) and Co(eta(3)-1-(H(2)C)(2)C-C(6)H(3)-2-(C(6)H(4)-3-(C(6)H(3)-2,6-Pr(i)(2)))-3-Pr(i)}
在过量PMe(3)存在下用KC(8)还原ArFeBr}(2)(Ar =三
联苯),得到Fe(i)络合物3,5-Pr(i)(2)-Ar'Fe (PMe(3))(1)(Ar'-3,5-Pr(i)(2)= C(6)H-2,6-(C(6)H(3)-2,6-Pr (i)(2))-3,5-Pr(i)(2)),其结构与先前报道的线性Cr(i)物种3,5-Pr(i)(2)- Ar * Cr(PMe(3))(3,5-Pr(i)(2)-Ar * = C(6)H-2,6-(C(6)H(2)-2,4,6 -Pr(i)(3))(2)-3,5-Pr(i)(2)),并具有与三
联苯配体侧基芳环的强Fe-eta(6)-芳基相互作用。形成鲜明对比的是,ArCoCl}(2)(Ar = 3,5-Pr(i)(2)-Ar'和Ar')的还原得到烯丙基配合物Co(eta(3)-1-(H (2)C)(2)CC(6)H(3)-2-(C(6)H(2)-2