An improved synthesis of aminoferrocene has been carried out that adheres with the basic green chemistry guidelines. Amination from aqueous NH3 as the nitrogen source, with the inexpensive CuI/Fe2O3 couple as cocatalyst in ethanolic solution, makes the process environmentally attractive as well as a viable alternative for all practical purposes. This procedure has also been applied to prepare aminoruthenocene, being reported for the first time.
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