Cheap and readily available halo vinamidinium salts have been found to be valuable precursors for a new class of singlet carbenes flanked by enamines, say scientists in Germany.
Alois Fürstner and his colleagues from the Max-Planck-Institut für Kohlenforschung, believe that the resulting metal complexes (which are stable and rich in electrons) may have a promising future in homogeneous catalysis.
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