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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Preparation,structures and some reactions of novel diynyl complexes of iron and ruthenium
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Preparation,structures and some reactions of novel diynyl complexes of iron and ruthenium

机译:铁和钌新型二炔基配合物的制备,结构和一些反应

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Reactions between HG(indent to)CC(indent to)CSiMe_3 and several ruthenium halide precursors have given the complexes Ru(C(indent to)CC(indent to)CSiMe_3)(L_2)Cp' [Cp'=Cp,L=CO (1),PPh+3 (2); Cp'=Cp~*,L_2=dppe (3)].Proto-desilylation of 2 and 3 have given unsubstituted buta-l,3-diyn-l-yl complexes Ru(C(indent to)CC(indent to)CH)(L_2)Cp' [Cp'=Cp,L=PPh_3 (5); Cp'=Cp~*,L_2=dppe (6)].Replacement of H in 5 or 6 with Au(PR_3) groups was achieved in reactions with AuCl(PR_3) in the presence of KN(SiMe_3)_2 to give Ru(C(indent to)CC(indent to)CAu(PR_3))(L_2)Cp' [Cp'=Cp,L=PPh_3,R=Ph (7); Cp'=Cp~*,L_2=dppe,R=Ph (8),tol (9)].The asymmetrically end-capped {Cp(Ph_3P)_2Ru}C(indent to)CC(indent to)C{Ru(dppe)Cp~*} (10) was obtained from Ru(C(indent to)CC(indent to)CH)(dppe)Cp~* and RuCl(PPh_3)_2Cp.Single-crystal X-ray structural determinations of 1-3 and 6-9 are reported,with a comparative determination of the structure of Fe(C(indent to)CC(indent to)CSiMe_3)(dppe)Cp~8 (4),and those of a fifth polymorph of {Ru(PPh_3)_2Cp}_2(mu-C(indent to)CC(indent to)C) (12),and {Ru(dppe)Cp}_2(u-C(indent to)CC(indent to)C) (13).
机译:HG(缩进)CC(缩进)CSiMe_3与几种卤化钌前体之间的反应给出了配合物Ru(C(缩进)CC(缩进)CSiMe_3)(L_2)Cp'[Cp'= Cp,L = CO (1),PPh + 3(2); Cp'= Cp〜*,L_2 = dppe(3)]。2和3的原去甲硅烷基化反应得到未取代的buta-1,3-diyn-l-yl配合物Ru(C(Indent to)CC(indent to)CH )(L_2)Cp'[Cp'= Cp,L = PPh_3(5); Cp'= Cp〜*,L_2 = dppe(6)]。在KN(SiMe_3)_2存在下,与AuCl(PR_3)发生反应,实现了用Au(PR_3)基团取代5或6中的H。 C(缩进)CC(缩进)CAu(PR_3))(L_2)Cp'[Cp'= Cp,L = PPh_3,R = Ph(7); Cp'= Cp〜*,L_2 = dppe,R = Ph(8),tol(9)]。不对称封端的{Cp(Ph_3P)_2Ru} C(缩进)CC(缩进)C {Ru( dppe)Cp〜*}(10)由Ru(C(CC)(CH)(CH)(dppe)Cp〜*和RuCl(PPh_3)_2Cp)得到。报道了图3和6-9,比较确定了Fe(C(CC)(CCSiMe_3)(dppe)Cp〜8(4)和第五种多晶型[Ru( PPh_3)_2Cp} _2(mu-C(缩进)CC(缩进至C)(12)和{Ru(dppe)Cp} _2(uC(缩进至CC(缩进至C))(13)。

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