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A Neutral Organometallic Fluoro Complex Can Be a Good Ligand

机译:中性有机金属氟络合物可以是良好的配体

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The reaction of the complex[Mo(OTf)(eta~3-C_3H_4-Me-2)(CO)_2(phen)](1)(OTf=trifluoromethylsulfonate;phen=1,10-phenanthroline)with tet-rabutylammonium fluoride trihydrate afforded the fluoride complex[MoF(eta~3-C_3H_4-Me-2)(CO)_2(phen)](2).The IR spectrum and the oxidation potential of 2 reflect the fact that its metal center is more electron-rich than that of the chloro analogue[MoCl(eta~3-C_3H_4-Me-2)(CO)_2(phen)].Compound 2 reacted with 1 affording the homobi-nuclear complex[{Mo(eta~3-C_3H_4-Me-2)(CO)_2(phen)}_2(mu-F)][OTf](3),with a fluoride bridge.Compound 2 also reacts with the species generated in situ by triflate abstraction from[M(OTf)(CO)_3('N-N')](M=Mn,Re;'N-N'=2,2'-bipyridine(bipy),phen)using NaBAr'_4(Ar'=3,5-bis(trifluoro-methyl)phenyl),affording the heterobi-nuclear complexes[{Mo(eta~3-C_3H_4-Me-2)(CO)_2(phen)}(mu-F){M(CO)_3CN-N')}][BAr'_4](M=Mn,'N-N'=bipy(4);M=Re,'N-N'=phen(5)).All new compounds have been characterized by spectroscopic methods(IR and NMR)and,in the case of 1,2,3,and 4,also by means of X-ray diffraction analysis.
机译:配合物[Mo(OTf)(eta〜3-C_3H_4-Me-2)(CO)_2(phen)](1)(OTf =三氟甲基磺酸盐; phen = 1,10-菲咯啉)与四叔丁基氟化铵的反应三水合物提供了氟化物络合物[MoF(eta〜3-C_3H_4-Me-2)(CO)_2(phen)](2)。IR光谱和2的氧化势反映了其金属中心更多是电子-比氯类似物[MoCl(eta〜3-C_3H_4-Me-2)(CO)_2(phen)]富集。化合物2与1反应得到同核-双核络合物[{Mo(eta〜3-C_3H_4- Me-2)(CO)_2(phen)} _ 2(mu-F)] [OTf](3),具有氟化物桥。化合物2还与通过从[M(OTf) (CO)_3('N-N')](M = Mn,Re;'N-N'= 2,2'-联吡啶(bipy),phen)使用NaBAr'_4(Ar'= 3,5-bis (三氟甲基)苯基),得到杂双核配合物[{Mo(eta〜3-C_3H_4-Me-2)(CO)_2(phen)}(mu-F){M(CO)_3CN-N' )}] [BAr'_4](M = Mn,'N-N'= bipy(4); M = Re,'N-N'= phen(5))。所有新化合物均已通过光谱法进行了表征( IR和NMR),并且在这种情况下f 1,2,3,和4也通过X射线衍射分析。

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