title: Selection for a Single Self-Assembled Macrocycle from a Hybrid Metal-Ligand Hydrogen-Bonded (MLHB) Ligand Subunit.
abstract: To expand the interface between self-assembled metal-ligand and hydrogen-bonded architectures, here we report the preparation, self-assembly, and metal-ligand binding of a pyridyl quinolone ligand (5-PYQ). The 5-PYQ ligand self-associates through quinolone hydrogen bonding, and it binds to metal centers through the pyridine ligand component. As a first step toward investigating more-complex hybrid metal-ligand hydrogen-bonded (MLHB) architectures, we report investigations of 5-PYQ with mono- and bis-platinated anthracene precursors. These results demonstrate that the 5-PYQ ligand maintains hydrogen bonding interactions while binding to square-planar platinum centers, but that generation of coordination compounds with closed topology erodes the hydrogen bonding fidelity to favor ambidentate coordination modes of the 5-PYQ ligand.
authors.affiliation: Department of Chemistry and Biochemistry, Materials Science Institute, 1253 University of Oregon, Eugene, Oregon 97403, United States.
authors.forename: Samantha K
authors.initials: SK
authors.lastname: Sommer
authors.affiliation: Department of Chemistry and Biochemistry, Materials Science Institute, 1253 University of Oregon, Eugene, Oregon 97403, United States.
authors.forename: Ernst A
authors.initials: EA
authors.lastname: Henle
authors.affiliation: Department of Chemistry and Biochemistry, Materials Science Institute, 1253 University of Oregon, Eugene, Oregon 97403, United States.
authors.forename: Lev N
authors.initials: LN
authors.lastname: Zakharov
authors.affiliation: Department of Chemistry and Biochemistry, Materials Science Institute, 1253 University of Oregon, Eugene, Oregon 97403, United States.
authors.forename: Michael D
authors.initials: MD
authors.lastname: Pluth
mesh_terms: D018360:Crystallography, X-Ray; D006860:Hydrogen Bonding; D008024:Ligands; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D009944:Organoplatinum Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D011725:Pyridines / Q000138:chemical synthesis / Q000737:chemistry*; D015363:Quinolones / Q000138:chemical synthesis / Q000737:chemistry*
chemical_list: D008024:Ligands; D009944:Organoplatinum Compounds; D011725:Pyridines; D015363:Quinolones