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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >The preparation and characterisation of bimetallic iridium(II)complexes containing derivatised bridging naphthalene-1,8-disulfur or 4,5-dithiolato acephenanthrylene ligands
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The preparation and characterisation of bimetallic iridium(II)complexes containing derivatised bridging naphthalene-1,8-disulfur or 4,5-dithiolato acephenanthrylene ligands

机译:含衍生化桥联萘-1,8-二硫或4,5-二硫代对苯二甲乙炔配体的双金属铱(II)配合物的制备和表征

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摘要

Oxidative addition of the disulfide compounds naphtho[l,8-cd|[l,2]dithiole,2-tert-butylnaptho[l,8-cd][l,2]dithiole,2,7-di-tert-butylnaphtho[l,8-cd][l,2]dithiole,4,5-dithiaacephenanthrylene and the thio/sulfinyl and thio/sulfonyl compounds naphtho[l,8-cd][l,2]dithiole 1-oxide,and naphtho[l,8-o/][l,2]dithiole 1,1-dioxide respectively to [{Ir(mu-Cl)(cod)}_2] give dinuclear Ir-Ir bonded Ir(II)compounds [{IrCl(cod)}_2(mu_2-l,8-S_2-nap)] 1,[{IrCl(cod)}_2(mu_2-l,8-S_2-2-~tBu-nap)] 2,[{IrCl(cod)}_2(mu_2-l,8-S_2-2,7-di-'Bu-nap)}] 3,[{IrCl(cod)}_2(mu_2-4,5-S_2-phenan)] 4,[{IrCl(cod)}_2(mu_2-l-S,8-{S(O)}-nap)] 5 and [{IrCl(cod)}_2(mu_2-l-S,8-{S(O)_2}-nap)] 6 where the di-sulfur ligands act as bridges between the two Ir(II)metal centres.The compounds were obtained in moderate to good yields as orange or deep red powders or crystalline solids.Five of the new complexes have been structurally characterised and were found to have Ir-Ir bond lengths in the range 2.7630(8)to 2.8113(11)A.
机译:氧化二硫化物萘[1,8-cd | [l,2]二硫基,2-叔丁基萘[1,8-cd] [l,2]二硫基,2,7-二叔丁基萘[ 1,8-cd] [l,2]二硫基,4,5-二硫代苯并菲和硫代/亚磺酰基和硫代/磺酰基化合物萘并[1,8-cd] [l,2]二硫代一氧化物和萘[l分别与[{Ir(mu-Cl)(cod)} _ 2]的,8-o /] [1,2]二硫醇1,2-二氧化物得到双核Ir-Ir键合的Ir(II)化合物[{IrCl(cod) } _2(mu_2-1,8-S_2-nap)] 1,[[{IrCl(cod)} _ 2(mu_2-1,8-S_2-2-〜tBu-nap)] 2,[{IrCl(cod)} _2(mu_2-1,8-S_2-2,7-di-'Bu-nap)}] 3,[{{IrCl(cod)} _ 2(mu_2-4,5-S_2-phenan)] 4,4,[{IrCl (cod)} _ 2(mu_2-lS,8- {S(O)}-nap)] 5和[{IrCl(cod)} _ 2(mu_2-lS,8- {S(O)_2} -nap)] 6中的二硫配体充当两个Ir(II)金属中心之间的桥梁,以橙色至深红色粉末或结晶固体的中等至良好收率获得了该化合物,其中五种新的配合物已经进行了结构表征并进行了表征发现其Ir-Ir键长在2.7630(8)至2.8113(11)A之间。

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