Activation of C-S bonds in organosulfur compounds containing ?,?-unsaturated ketone systems by carbonylruthenium and -iron complexes - Alvarez-Toledano C., Delgado E., Donnadieu B., Gómez M., Hernández E., Martín G., Ortega-Jiménez F., Zamora F. (European Journal Of Inorganic Chemistry, 2003)