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
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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.
创建时间：
2016-02-19
