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Direct Synthesis of Iron(0) N‑Heterocyclic Carbene Complexes by Using Fe3(CO)12 and Their Application in Reduction of Carbonyl Groups

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Figshare2016-02-19 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Direct_Synthesis_of_Iron_0_N_Heterocyclic_Carbene_Complexes_by_Using_Fe_sub_3_sub_CO_sub_12_sub_and_Their_Application_in_Reduction_of_Carbonyl_Groups/2445511
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Iron Fe­(NHC)­(CO)4 complexes were formed by direct reaction of Fe3(CO)12 with equimolecular amounts of NHC imidazolium halide precursors; addition of base was not needed in this reaction. When excess (9:1 ratio) 1,3-dimesitylimidazolium chloride is reacted with the iron cluster Fe3(CO)12, a mixture of Fe­(IMes)­(CO)4 and Fe­(IMes)2(CO)3 is obtained. Single crystals of Fe­(IMes)­(CO)4 and crystals resulting from the cocrystallization of Fe­(IMes)­(CO)4 and Fe­(IMes)2(CO)3 have been studied by X-ray diffraction. These iron(0) complexes were found to catalyze the reduction of benzaldehydes.
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2016-02-19
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