| abstract |
For the nitrogenous aromatic compounds with excellent hydrogen reduction activity is provided, the metal complex that contains described nitrogenous aromatic compounds, and adopt their catalyst and electrode, the invention provides a kind of aromatic compounds, described aromatic compounds meets following condition (a) and (b): (a) it have 2 above by least 4 complexible nitrogen-atoms around structure (described structure can be identical or different), at least one (b) formation in the nitrogen-atoms of described structure is the nitrogen-atoms in 6 member heterocyclic ring containing nitrogens. |