Eberhardt and co-workers (12, I3) found that lithium alkyls are active toward the telomerization of ethylene and benzene when a tert-amine or chelating diamine, such as sparteine or N,N,N',N'-tetramethylenethy- lenediamine (TMEDA), is used [Eqs. (l)-(3)].
n-BuLi +TMEDA +C& + C&,Li-TMEDA +n-BuH (1) C&Li-TMEDA +n-C& 4 C&(C&h,Li-TMEDA (2) CeH6(CH&,Li-TMEDA +C& + C&s(CHa)9nH (3)
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