稳定的五羰基铁自由基阳离子盐的合成与表征
Synthesis and Characterization of Stable Iron Pentacarbonyl Radical Cation Salts.
作者信息
Rall Jan M, Schorpp Marcel, Keilwerth Martin, Mayländer Maximilian, Friedmann Christian, Daub Michael, Richert Sabine, Meyer Karsten, Krossing Ingo
机构信息
Institut für Anorganische und Analytische Chemie und Freiburger Materialforschungszentrum (FMF), Albert-Ludwigs-Universität Freiburg, Albertstr. 21, 79104, Freiburg, Germany.
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Department für Chemie und Pharmazie, Anorganische Chemie, Egerlandstrasse 1, 91059, Erlangen, Germany.
出版信息
Angew Chem Int Ed Engl. 2022 Aug 8;61(32):e202204080. doi: 10.1002/anie.202204080. Epub 2022 Jun 7.
The open-shell iron pentacarbonyl cation [Fe(CO) ] was isolated by deelectronation, i.e., the single-electron oxidation of the parent neutral Fe(CO) using [phenazine ] as the [Al(OR ) ] and [F-{Al(OR ) } ] salt (R =C(CF ) ; phenazine =perfluoro-5,10-bis(perfluorophenyl)-5,10-dihydrophenazine). [Fe(CO) ] [Al(OR ) ] was fully characterized (scXRD analysis, IR, NMR, EPR, Fe spectroscopy, CV and SQUID magnetization study) and, apart from being a compound of fundamental interest, may serve as a precursor for low-valent iron coordination chemistry.
通过去电子作用，即使用[吩嗪]作为[Al(OR) ]和[F-{Al(OR) } ]盐（R =C(CF) ; 吩嗪 =全氟-5,10-双(全氟苯基)-5,10-二氢吩嗪）对母体中性Fe(CO)进行单电子氧化，分离得到了开壳层五羰基铁阳离子[Fe(CO) ]。对[Fe(CO) ] [Al(OR) ]进行了全面表征（单晶X射线衍射分析、红外光谱、核磁共振、电子顺磁共振、铁光谱、循环伏安法和超导量子干涉仪磁化研究），它除了是一种具有重要基础研究价值的化合物外，还可作为低价铁配位化学的前体。
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