Photodriven Multi-electron Storage in Disubstituted Ru<sup>II</sup>Dppz Analogues
作者:Joseph M. Aslan、David J. Boston、Frederick M. MacDonnell
DOI:10.1002/chem.201502607
日期:2015.11.23
ruthenium complexes, [Ru(phen)2(dppzX2)]2+, were prepared and characterized by NMR spectroscopy, ESI‐MS, and elemental analysis. The new ligands, generically denoted dppzX2, were symmetrically disubstituted on the distal benzene ring to give 10,13‐dibromodppz (dppz‐p‐Br), 11,12‐dibromodppz (dppz‐o‐Br), 10,13‐dicyanodppz (dppz‐p‐CN), 11,12‐dicyanodppz (dppz‐o‐CN). Solvated ground state MO calculations
制备了叠层受体配体二吡啶基-[3,2--a:2',3'-c]吩嗪(dppz)的四种衍生物及其相应的钌配合物[Ru(phen)2(dppzX 2)] 2+。并通过NMR光谱,ESI-MS和元素分析进行表征。新的配体(通常表示为dppzX 2)在远端苯环上对称地双取代,得到10,13-dibromodppz(dppz- p -Br),11,12-dibromodppz(dppz- o -Br),10,13-dicyanodppz (dppz- p -CN),11,12-二氰基-dcyanzpppp(dppz- o‐CN)。钌配合物的溶剂化基态MO计算表明,这些吸电子取代基不仅降低了dppz配体的LUMO(dppz(CN)2