Abstract:(1, 1, 3, 3-Tetramethylallyl) lithium (l), prepared by cleaving the corresponding phenyl sulfide 2 at-92 OC with lithium 1-(dimethy1amino) naphthalenide or by reacting the trimethyltin derivative 3 with CH, Li in THF/diethyl ether/TMEDA at-78 OC, adds rapidly to naphthalene and 1-(dimethy1amino) naphthalene at-78 OC to give mixtures of the corresponding 1-substituted 1, 2-and 1, 4-dihydronaphthalenes. Carbon-1 3 NMR studies ...
