Synthesis, Crystal Structure, and Magnetic Properties of Cu(II) Coordination Polymer with N-3-Pyridine Sulfonyl Amino Acid and 1,10-Phen

L-Citrullinato-Bipyridine and L-Citrullinato-Phenanthroline Mixed Copper Complexes: Synthesis, Characterization and Potential Anticancer Activity

“…Performing a search in the CCDC database ( Figure S1 and Table 7 ) for aminoacidic Casiopeina analogs, there are more than 258 entries with phenanthroline and derivatives as the primary ligand, of which only ten correspond to polymeric complexes [ 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 ]. A common factor in all complexes, referred to as the main requirement for forming polymers, is the presence of more than one electron donor group, the carbonyl group (CO) being the most frequent.…”

“…The proportion of water in the medium seems to affect the formation of polymeric structures significantly. Although, of course, the presence of water itself is not a mutually exclusive condition for forming polymeric structures since there are hydrated structures in the examples [ 78 , 80 , 81 , 83 , 84 , 90 , 91 , 92 , 94 , 95 , 96 ]. What seems to be an exclusive tendency when more than two bidentate ligands are involved is the coordination of the metal center by a water molecule.…”