characterization and biological activity of neutral fluorescent Ir(III) and Ru(II) half-sandwich organometallic complexes containing phosphine-sulfonate ligands are reported. X-ray crystal structure of complexes 1–3, 10 and 11 exhibits the expected half-sandwich “three-legged piano-stool” pseudo-octahedral geometry. Spectroscopic properties study displays that these complexes show rich fluorescence properties. With
18-Electron Ruthenium Phosphine Sulfonate Catalysts for Olefin Metathesis
作者:Oumar Bashir、Laurence Piche、Jerome P. Claverie
DOI:10.1021/om500212x
日期:2014.7.28
The first instances of ruthenium alkylidene complexes based on chelating phosphine sulfonates are presented. Although these complexes are formally 18-electron complexes bearing cis phosphines and cis one-electron donors (sulfonates and chlorides), they are surprisingly active for ring-closingmetathesis, cross-metathesis, and ring-opening metathesis polymerization, thus highlighting the unique potential
作者:Qing Du、Liping Zhao、Lihua Guo、Xingxing Ge、Shumiao Zhang、Zhishan Xu、Zhe Liu
DOI:10.1002/aoc.4746
日期:2019.2
cyclometalated Ir (III) complexes (Ir1‐Ir4) containing different phosphine‐sulfonate ligands are reported. Most of these complexes showed good activity against A549 cancer cell lines and the human HeLa cervical cell lines. Spectroscopic properties study displays that all four complexes show rich fluorescence with emission maxima in the range of 474–510 nm. Fluorescence property of these complexes provides a
Catalyst structures comprising a single palladium metal center and a substituted tri-arylphosphine ligand. Also disclosed are methods of making and using the catalyst structures to facilitate polymerization reactions and Heck coupling reactions.