“…Schiff base compounds are expected to exhibit biological properties [ 174 , 183 , 184 , 185 , 186 , 187 , 188 ] and their coordination complexes cobalt [ 174 , 189 , 190 , 191 , 192 ], copper [ 174 , 193 , 194 , 195 , 196 ] and zinc [ 174 , 196 , 197 , 198 , 199 ] acceptors are promising pharmacologically active metal compounds.…”