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Tautomerization of 2-nitroso-N-arylanilines by coordination as N,N′-chelate ligands to rhenium(i) complexes and the anticancer activity of newly synthesized oximine rhenium(i) complexes against human melanoma and leukemia cells in vitro☆

“…Only two comparable compounds with additional functional groups (methyl 6-hydroxy-4-methyl-3-nitroso-2-(phenylamino)benzoate [33] and 2-nitroso-1,3,5-tris(phenylamino)benzene [34]) were obtainable in good yields earlier. In coordination chemistry this ligand system is mentioned in few binuclear Pd(II) complexes [35][36][37][38]. There, it is formed by the reaction of a tetranuclear Pd(I) cluster with nitrosoarenes.…”