Editing Cobalt(II) chloride (section)

===Oxidation to cobalt(IV)===
Reaction of 1-norbornyllithium with the {{chem|CoCl|2}}·THF in pentane produces the brown, thermally stable [[tetrakis(1-norbornyl)cobalt(IV)]]<ref>{{cite journal|author = Barton K. Bower|author2 = Howard G. Tennent|name-list-style = amp|title = Transition metal bicyclo[2.2.1]hept-1-yls|journal = [[J. Am. Chem. Soc.]]|year = 1972|volume = 94|issue = 7|pages = 2512–2514|doi = 10.1021/ja00762a056}}</ref><ref>{{cite journal|journal = [[J. Chem. Soc., Chem. Commun.]]|year = 1986|issue = 19|pages = 1491–1492|doi = 10.1039/C39860001491|title = Tetrakis(1-norbornyl)cobalt, a low spin tetrahedral complex of a first row transition metal|author = Erin K. Byrne|author2 = Darrin S. Richeson|author3 = Klaus H. Theopold|name-list-style = amp}}</ref> — a rare example of a stable transition metal/saturated alkane compound,<ref name="g&e" /> different products are obtained in other solvents.<ref>{{cite journal |title = Synthesis, characterization, and electron-transfer reactivity of norbornyl complexes of cobalt in unusually high oxidation states|author = Erin K. Byrne|author2 = Klaus H. Theopold|journal = [[J. Am. Chem. Soc.]]|year = 1989|volume = 111|issue = 11|pages = 3887–3896|doi = 10.1021/ja00193a021}}</ref>