Synthesis of 1,2 diamines under environmentally benign conditions: application for the preparation of imidazolidiniums
2010
Abstract An environmentally friendly and economically attractive access to unsymmetrical and symmetrical 1,2-diamines has been developed. Chemoselective N - monoalkylation in water and alcoholic solvents was demonstrated. This method represents a simple and scalable preparation (2–3 steps) of symmetrical and unsymmetrical imidazolidinium salts, precursors of N -Heterocyclic Carbenes.
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