[(2,2'-bipyridine)
2Ru(2,3-bis(2-pyridyl)pyrazine)Ru(2,2'-bipyridine)
2]
4+                                                                                                                                                              在
                                                                                                                                                                                 sodium amalgam                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
[(2,2′-bipyridine)2Ru(2,3-bis(2-pyridyl)pyrazine)Ru(2,3-bis(2-pyridyl)pyrazine)]2-   、                                                                                             
[(2,2′-bipyridine)2Ru(2,3-bis(2-pyridyl)pyrazine)Ru(2,3-bis(2-pyridyl)pyrazine)]3+   、                                                                                             [(2,2′-bipyridine)
2Ru(2,3-bis(2-pyridyl)pyrazine)Ru(2,3-bis(2-pyridyl)pyrazine)]
2+   、                                                                                             
[(2,2′-bipyridine)2Ru(2,3-bis(2-pyridyl)pyrazine)Ru(2,3-bis(2-pyridyl)pyrazine)]0