in diethyl ether dropwise addn. of soln. of Li-compd. in diethyl ether to etheric soln. of Hg-compd. with stirring at -30°C, warming to -5°C, further stirring for 1.5 h; addn. of H2O (with ice cooling), sepn. of ether phase, drying over MgSO4, destillation (sepn. of ether and diisobutyl mercury), residue is recrystallized from n-pentane, elem. anal.;

in diethyl ether adding dropwise a soln. of 1-norbornyllithium to a suspn. of the Ce complex (-20°C, molar ratio Ce:Li = 1:2), slowly warming to room temp., color changing from orange to yellow, stirring (12 h); filtering, extg. (boiling pentane, 2 h), drying (vac.), norbornane fromthe filtrate (evapg., cooling (-78°C); elem. anal.;

1: With {tetrabutylammonium}2{NiBr4} in tetrahydrofuran T=-60°C; 1 h; 2: With oxygen T=20°C;

in pentane T=-70°C;

in diethyl ether; pentane T=-25°C; 4 h; Inert atmosphere;

in diethyl ether; pentane T=-25°C; 0.75 h; Inert atmosphere;

in pentane 3 h; Inert atmosphere;

in diethyl ether dropwise addn. of soln. of Li-compd. in diethyl ether to etheric soln. of Hg-compd. with stirring at -30°C, warming to -5°C, further stirring for 1.5 h; addn. of H2O (with ice cooling), sepn. of ether phase, drying over MgSO4, destillation (sepn. of ether and diisobutyl mercury), residue is recrystallized from n-pentane, elem. anal.;

in pentane byproducts: Li(CH3COCHCOCH3), C7H12, Cu; under inert atmosphere; at -20°C Cu(CH3COCHCOCH3)2 is added to asoln. of 1-NorLi in pentne; mixt. stirred for 3 h, warmed to room temp.; filtn.; concd. to 30 ml; cooled to -30°C; recrystn. from pentane; dried in vac.; elem. anal.;