Three-Coordinate, Phosphine-Ligated Azadipyrromethene Complexes of Univalent Group 11 Metals Export

@article{citeulike:5755441, abstract = {PMID: 19655715 Tetraarylazadipyrromethenes are Lewis basic, red-light absorbing dyes with optical properties conducive to sensing and therapeutic applications. Recently, transition metal complexes of these ligands have been described. Here, we report a series of three-coordinate Group 11 complexes of unsubstituted and methoxy-substituted tetraarylazadipyrromethenes. In each, two pyrrole nitrogens chelate a d10 metal ion; triphenyl- or triethylphosphine occupies a third coordination site. New complexes are characterized by multinuclear NMR, X-ray crystallography, optical absorption and emission spectroscopy, and elemental analysis. Solid-state structures show trigonal planar geometries about the metal centers, and reveal pervasive intra- and intermolecular π-stacking interactions. Visible light absorption intensifies with metal binding, in some cases shifting to longer wavelengths. The complexes weakly luminesce in the red region; emission wavelengths and quantum yields are similar to those of free azadipyrromethenes. Methoxy-substitution on the ligand red-shifts optical features, whereas substitution of triethylphosphine for triphenylphosphine in the third coordination site has minimal structural or spectral consequences.}, author = {Teets, Thomas S. and Updegraff, James B. and Esswein, Arthur J. and Gray, Thomas G.}, citeulike-article-id = {5755441}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/ic900208a}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/ic900208a}, day = {7}, doi = {10.1021/ic900208a}, journal = {Inorganic Chemistry}, keywords = {bodipys}, month = {September}, number = {17}, pages = {8134--8144}, posted-at = {2009-09-08 22:36:50}, priority = {2}, title = {Three-Coordinate, Phosphine-Ligated Azadipyrromethene Complexes of Univalent Group 11 Metals}, url = {http://dx.doi.org/10.1021/ic900208a}, volume = {48}, year = {2009} }

TY - JOUR ID - citeulike:5755441 L3 - citeulike-article-id:5755441 N2 - PMID: 19655715 Tetraarylazadipyrromethenes are Lewis basic, red-light absorbing dyes with optical properties conducive to sensing and therapeutic applications. Recently, transition metal complexes of these ligands have been described. Here, we report a series of three-coordinate Group 11 complexes of unsubstituted and methoxy-substituted tetraarylazadipyrromethenes. In each, two pyrrole nitrogens chelate a d10 metal ion; triphenyl- or triethylphosphine occupies a third coordination site. New complexes are characterized by multinuclear NMR, X-ray crystallography, optical absorption and emission spectroscopy, and elemental analysis. Solid-state structures show trigonal planar geometries about the metal centers, and reveal pervasive intra- and intermolecular π-stacking interactions. Visible light absorption intensifies with metal binding, in some cases shifting to longer wavelengths. The complexes weakly luminesce in the red region; emission wavelengths and quantum yields are similar to those of free azadipyrromethenes. Methoxy-substitution on the ligand red-shifts optical features, whereas substitution of triethylphosphine for triphenylphosphine in the third coordination site has minimal structural or spectral consequences. IS - 17 JF - Inorganic Chemistry EP - 8144 TI - Three-Coordinate, Phosphine-Ligated Azadipyrromethene Complexes of Univalent Group 11 Metals VL - 48 SP - 8134 KW - bodipys AU - Teets, Thomas AU - Updegraff, James AU - Esswein, Arthur AU - Gray, Thomas PY - 2009/09/07/ UR - http://dx.doi.org/10.1021/ic900208a ER -