Electronic coupling between two cyclometalated ruthenium centers bridged by 1,3,6,8-tetra(2-pyridyl)pyrene (tppyr).
A new cyclometalating bridging ligand 1,3,6,8-tetra(2-pyridyl)pyrene was designed and synthesized through 4-fold Suzuki couplings between 1,3,6,8-tetrabromopyrene and 2-pyridylboronate. A bis-cyclometalated bisruthenium complex bridged by this ligand showed the presence of an electronic coupling between individual metal centers, as indicated by electrochemical and spectroscopic studies.
Yao
Chang-Jiang
CJ
Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China.
Sui
Long-Zhen
LZ
Xie
Hai-Yan
HY
Xiao
Wen-Jing
WJ
Zhong
Yu-Wu
YW
Yao
Jiannian
J