Abstract
In 1972 Kumada [1] and Corriu [2] reported the cross-coupling of olefmic and aryl haliDEs with alkyl- and arylmagnesium haliDEs in the presence of nickel compounds, such as dichloro [1,2-bis(diphenylphosphino)ethane] nickel(II) (NiCl2-dppe) and nickel acetylacetonate (Ni(acac)2). Somewhat later coupling reactions were carried out with other organometallic compounds unDEr the influence of various nickel and palladium catalysts.
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